1 |
#define EXTERN extern |
2 |
|
3 |
#include "pcwin.h" |
4 |
#include "pcmod.h" |
5 |
#include "rings.h" |
6 |
|
7 |
int have_ring3(void); |
8 |
int have_ring4(void); |
9 |
int have_ring5(void); |
10 |
int have_ring6(void); |
11 |
int isbond(int, int); |
12 |
int is_ring31(int); |
13 |
int is_ring41(int); |
14 |
int is_ring42(int,int); |
15 |
int is_ring43(int, int, int); |
16 |
int is_ring44(int *); |
17 |
int is_ring51(int); |
18 |
int is_ring52(int, int); |
19 |
int is_ring53(int, int, int); |
20 |
int is_ring54(int, int, int, int); |
21 |
int is_ring55(int *); |
22 |
int is_ring61(int); |
23 |
int is_ring62(int, int); |
24 |
int is_ring63(int,int,int); |
25 |
int is_ring66(int *); |
26 |
int is_cyclo5(int, int *); |
27 |
void ksort(int, int *); |
28 |
void message_alert(char *, char *); |
29 |
int is_cyclo6(int, int *); |
30 |
int find_rsize(int, int); |
31 |
void get_rsize(int,int,int,int *); |
32 |
int aromatic_5(int *array,long int *flags,int *atomnum,int **,int **); |
33 |
int aromatic_6(int *,long int *flags,int *atomnum,int **,int **); |
34 |
void get_rings(int natom,int **iat,long int *flags); |
35 |
// ====================== |
36 |
int have_ring3() |
37 |
{ |
38 |
if (rings.nring3 > 0) |
39 |
return TRUE; |
40 |
else |
41 |
return FALSE; |
42 |
} |
43 |
int have_ring4() |
44 |
{ |
45 |
if (rings.nring4 > 0) |
46 |
return TRUE; |
47 |
else |
48 |
return FALSE; |
49 |
} |
50 |
int have_ring5() |
51 |
{ |
52 |
if (rings.nring5 > 0) |
53 |
return TRUE; |
54 |
else |
55 |
return FALSE; |
56 |
} |
57 |
int have_ring6() |
58 |
{ |
59 |
if (rings.nring6 > 0) |
60 |
return TRUE; |
61 |
else |
62 |
return FALSE; |
63 |
} |
64 |
/* --------------------------------------------------------- */ |
65 |
// iatom is atom number to search on |
66 |
// isize = ring size |
67 |
// num = number of ring if more than one ring containing atom iatom |
68 |
// array = array of ring atoms |
69 |
// |
70 |
void get_rsize(int iatom, int isize, int num, int *array) |
71 |
{ |
72 |
int i, j, k, icount; |
73 |
icount = -1; |
74 |
|
75 |
if (isize == 3) |
76 |
{ |
77 |
for (i=0; i < rings.nring3; i++) |
78 |
{ |
79 |
for (j=0; j < 3; j++) |
80 |
{ |
81 |
if (iatom == rings.r13[i][j]) |
82 |
icount++; |
83 |
if (icount == num) |
84 |
{ |
85 |
for (k=0; k < isize; k++) |
86 |
array[k] = rings.r13[i][k]; |
87 |
return; |
88 |
} |
89 |
} |
90 |
} |
91 |
} else if (isize == 4) |
92 |
{ |
93 |
for (i=0; i < rings.nring4; i++) |
94 |
{ |
95 |
for (j=0; j < 4; j++) |
96 |
{ |
97 |
if (iatom == rings.r14[i][j]) |
98 |
icount++; |
99 |
if (icount == num) |
100 |
{ |
101 |
for (k=0; k < isize; k++) |
102 |
array[k] = rings.r14[i][k]; |
103 |
return; |
104 |
} |
105 |
} |
106 |
} |
107 |
} else if (isize == 5) |
108 |
{ |
109 |
for (i=0; i < rings.nring5; i++) |
110 |
{ |
111 |
for (j=0; j < 5; j++) |
112 |
{ |
113 |
if (iatom == rings.r15[i][j]) |
114 |
icount++; |
115 |
if (icount == num) |
116 |
{ |
117 |
for (k=0; k < isize; k++) |
118 |
array[k] = rings.r15[i][k]; |
119 |
return; |
120 |
} |
121 |
} |
122 |
} |
123 |
} else if (isize == 6) |
124 |
{ |
125 |
for (i=0; i < rings.nring6; i++) |
126 |
{ |
127 |
for (j=0; j < 6; j++) |
128 |
{ |
129 |
if (iatom == rings.r16[i][j]) |
130 |
icount++; |
131 |
if (icount == num) |
132 |
{ |
133 |
for (k=0; k < isize; k++) |
134 |
array[k] = rings.r16[i][k]; |
135 |
return; |
136 |
} |
137 |
} |
138 |
} |
139 |
} |
140 |
} |
141 |
/* --------------------------------------------------------- */ |
142 |
int find_rsize(int isize,int iatom) |
143 |
{ |
144 |
int i, j, icount; |
145 |
|
146 |
icount = 0; |
147 |
if (isize == 3) |
148 |
{ |
149 |
for (i=0; i < rings.nring3; i++) |
150 |
{ |
151 |
for(j=0; j < 3; j++) |
152 |
{ |
153 |
if (rings.r13[i][j] == iatom) |
154 |
icount++; |
155 |
} |
156 |
} |
157 |
return(icount); |
158 |
}else if (isize == 4) |
159 |
{ |
160 |
for (i=0; i < rings.nring4; i++) |
161 |
{ |
162 |
for(j=0; j < 4; j++) |
163 |
{ |
164 |
if (rings.r14[i][j] == iatom) |
165 |
icount++; |
166 |
} |
167 |
} |
168 |
return(icount); |
169 |
}else if (isize == 5) |
170 |
{ |
171 |
for (i=0; i < rings.nring5; i++) |
172 |
{ |
173 |
for(j=0; j < 5; j++) |
174 |
{ |
175 |
if (rings.r15[i][j] == iatom) |
176 |
icount++; |
177 |
} |
178 |
} |
179 |
return(icount); |
180 |
}else if (isize == 6) |
181 |
{ |
182 |
for (i=0; i < rings.nring6; i++) |
183 |
{ |
184 |
for(j=0; j < 6; j++) |
185 |
{ |
186 |
if (rings.r16[i][j] == iatom) |
187 |
icount++; |
188 |
} |
189 |
} |
190 |
return(icount); |
191 |
} |
192 |
return(icount); |
193 |
} |
194 |
// ======================= |
195 |
int is_ring31(int ia) |
196 |
{ |
197 |
int i,j; |
198 |
|
199 |
for (i=0; i < rings.nring3; i++) |
200 |
{ |
201 |
for (j=0; j < 3; j++) |
202 |
{ |
203 |
if (ia == rings.r13[i][j]) |
204 |
{ |
205 |
return(TRUE); |
206 |
} |
207 |
} |
208 |
} |
209 |
return FALSE; |
210 |
} |
211 |
/* ============================ */ |
212 |
int is_ring41(int ia) |
213 |
{ |
214 |
int i,j, found; |
215 |
|
216 |
found = FALSE; |
217 |
for (i=0; i < rings.nring4; i++) |
218 |
{ |
219 |
for (j=0; j < 4; j++) |
220 |
{ |
221 |
if (ia == rings.r14[i][j]) |
222 |
{ |
223 |
found = TRUE; |
224 |
return (found); |
225 |
} |
226 |
} |
227 |
} |
228 |
return (found); |
229 |
} |
230 |
/* -------------------------------------------------------- */ |
231 |
int is_ring42(int ia, int ib) |
232 |
{ |
233 |
int i,j, k, itmp, jtmp; |
234 |
if (ia < ib ) |
235 |
{ |
236 |
itmp = ia; |
237 |
jtmp = ib; |
238 |
}else |
239 |
{ |
240 |
itmp = ib; |
241 |
jtmp = ia; |
242 |
} |
243 |
for (i=0; i < rings.nring4; i++) |
244 |
{ |
245 |
for (j = 0; j < 3; j++) |
246 |
{ |
247 |
if ( itmp == rings.r14[i][j]) |
248 |
{ |
249 |
for (k=j+1; k < 4; k++) |
250 |
{ |
251 |
if (jtmp == rings.r14[i][k]) |
252 |
return(TRUE); |
253 |
} |
254 |
} |
255 |
} |
256 |
} |
257 |
return(FALSE); |
258 |
} |
259 |
/* -------------------------------------------------------- */ |
260 |
int is_ring43(int ia, int ib, int ic) |
261 |
{ |
262 |
int i, found; |
263 |
int array[5]; |
264 |
|
265 |
found = FALSE; |
266 |
array[0] = ia; |
267 |
array[1] = ib; |
268 |
array[2] = ic; |
269 |
ksort(3,array); |
270 |
for (i=0; i < rings.nring4; i++) |
271 |
{ |
272 |
if ( array[0] == rings.r14[i][0] && rings.r14[i][1] == array[1] && rings.r14[i][2] == array[2]) |
273 |
{ |
274 |
found = TRUE; |
275 |
return(found); |
276 |
} |
277 |
if ( rings.r14[i][0] == array[0] && rings.r14[i][1] == array[1] && rings.r14[i][3] == array[2]) |
278 |
{ |
279 |
found = TRUE; |
280 |
return(found); |
281 |
} |
282 |
if ( rings.r14[i][0] == array[0] && rings.r14[i][2] == array[1] && rings.r14[i][3] == array[2]) |
283 |
{ |
284 |
found = TRUE; |
285 |
return(found); |
286 |
} |
287 |
if ( rings.r14[i][1] == array[0] && rings.r14[i][2] == array[1] && rings.r14[i][3] == array[2]) |
288 |
{ |
289 |
found = TRUE; |
290 |
return(found); |
291 |
} |
292 |
} |
293 |
return(found); |
294 |
} |
295 |
/* -------------------------------------------------------- */ |
296 |
int is_ring44(int *array) |
297 |
{ |
298 |
int i; |
299 |
for (i=0; i < rings.nring4; i++) |
300 |
{ |
301 |
if (array[0] == rings.r14[i][0] && array[1] == rings.r14[i][1] && |
302 |
array[2] == rings.r14[i][2] && array[3] == rings.r14[i][3]) |
303 |
return(TRUE); |
304 |
} |
305 |
return FALSE; |
306 |
} |
307 |
/* -------------------------------------------------------- */ |
308 |
int is_ring51(int ia) |
309 |
{ |
310 |
int i,j; |
311 |
|
312 |
for(i=0; i < rings.nring5; i++) |
313 |
{ |
314 |
for (j=0; j < 5; j++) |
315 |
{ |
316 |
if (rings.r15[i][j] == ia) |
317 |
{ |
318 |
return(TRUE); |
319 |
} |
320 |
} |
321 |
} |
322 |
return(FALSE); |
323 |
} |
324 |
// ====================================== |
325 |
int is_cyclo5(int ia, int *array) |
326 |
{ |
327 |
int i,j; |
328 |
|
329 |
for(i=0; i < rings.nring5; i++) |
330 |
{ |
331 |
for (j=0; j < 5; j++) |
332 |
{ |
333 |
if (rings.r15[i][j] == ia) |
334 |
{ |
335 |
array[0] = rings.r15[i][0]; |
336 |
array[1] = rings.r15[i][1]; |
337 |
array[2] = rings.r15[i][2]; |
338 |
array[3] = rings.r15[i][3]; |
339 |
array[4] = rings.r15[i][4]; |
340 |
return(TRUE); |
341 |
} |
342 |
} |
343 |
} |
344 |
return(FALSE); |
345 |
} |
346 |
/* -------------------------------------------------------- */ |
347 |
int is_ring52(int ia, int ib) |
348 |
{ |
349 |
int i, j,k, itmp, jtmp; |
350 |
if (ia < ib) |
351 |
{ |
352 |
itmp = ia; |
353 |
jtmp = ib; |
354 |
}else |
355 |
{ |
356 |
itmp = ib; |
357 |
jtmp = ia; |
358 |
} |
359 |
for (i=0; i < rings.nring5; i++) |
360 |
{ |
361 |
for (j=0; j < 4; j++) |
362 |
{ |
363 |
if (itmp == rings.r15[i][j]) |
364 |
{ |
365 |
for (k=j+1; k < 5; k++) |
366 |
{ |
367 |
if (jtmp == rings.r15[i][k]) |
368 |
return(TRUE); |
369 |
} |
370 |
} |
371 |
} |
372 |
} |
373 |
return(FALSE); |
374 |
} |
375 |
/* -------------------------------------------------------- */ |
376 |
int is_ring53(int ia, int ib, int ic) |
377 |
{ |
378 |
int i, j,k,l; |
379 |
int array[5]; |
380 |
|
381 |
array[0] = ia; |
382 |
array[1] = ib; |
383 |
array[2] = ic; |
384 |
ksort(3,array); |
385 |
for (i=0; i < rings.nring5; i++) |
386 |
{ |
387 |
for (j=0; j < 3; j++) |
388 |
{ |
389 |
if (array[0] == rings.r15[i][j]) |
390 |
{ |
391 |
for (k=j+1; k < 4; k++) |
392 |
{ |
393 |
if (array[1] == rings.r15[i][k]) |
394 |
{ |
395 |
for (l=j+1; l < 5; l++) |
396 |
{ |
397 |
if (array[2] == rings.r15[i][l]) |
398 |
return(TRUE); |
399 |
} |
400 |
} |
401 |
} |
402 |
} |
403 |
} |
404 |
} |
405 |
return(FALSE); |
406 |
} |
407 |
/* -------------------------------------------------------- */ |
408 |
int is_ring54(int ia, int ib, int ic, int id) |
409 |
{ |
410 |
int i; |
411 |
int array[5]; |
412 |
array[0] = ia; |
413 |
array[1] = ib; |
414 |
array[2] = ic; |
415 |
array[3] = id; |
416 |
ksort(4,array); |
417 |
for (i=0; i < rings.nring5; i++) |
418 |
{ |
419 |
if (array[0] == rings.r15[i][0]) |
420 |
{ |
421 |
if (array[1] == rings.r15[i][1]) |
422 |
{ |
423 |
if (array[2] == rings.r15[i][2]) |
424 |
{ |
425 |
if (array[3] == rings.r15[i][3]) |
426 |
return(TRUE); |
427 |
else if (array[3] == rings.r15[i][4]) |
428 |
return(TRUE); |
429 |
else |
430 |
return(FALSE); |
431 |
} else if (array[2] == rings.r15[i][3] && array[3] == rings.r15[i][4]) |
432 |
return(TRUE); |
433 |
} else if (array[1] == rings.r15[i][2] && |
434 |
array[2] == rings.r15[i][3] && array[3] == rings.r15[i][4]) |
435 |
return(TRUE); |
436 |
|
437 |
} else if (array[0] == rings.r15[i][1] && array[1] == rings.r15[i][2] && |
438 |
array[2] == rings.r15[i][3] && array[3] == rings.r15[i][4]) |
439 |
return(TRUE); |
440 |
} |
441 |
return (FALSE); |
442 |
} |
443 |
/* -------------------------------------------------------- */ |
444 |
int is_ring55(int *array) |
445 |
{ |
446 |
int i; |
447 |
for(i=0; i < rings.nring5; i++) |
448 |
{ |
449 |
if ( array[0] == rings.r15[i][0] && array[1] == rings.r15[i][1] && array[2] == rings.r15[i][2] && |
450 |
array[3] == rings.r15[i][3] && array[4] == rings.r15[i][4]) |
451 |
return(TRUE); |
452 |
} |
453 |
return (FALSE); |
454 |
} |
455 |
/* -------------------------------------------------------- */ |
456 |
int is_ring61(int ia) |
457 |
{ |
458 |
int i, j; |
459 |
for(i=0; i < rings.nring6; i++) |
460 |
{ |
461 |
for(j=0; j < 6; j++) |
462 |
{ |
463 |
if (ia == rings.r16[i][j]) |
464 |
return (TRUE); |
465 |
} |
466 |
} |
467 |
return (FALSE); |
468 |
} |
469 |
/* -------------------------------------------------------- */ |
470 |
int is_ring62(int ia, int ib) |
471 |
{ |
472 |
int i, j,k, itmp, jtmp; |
473 |
if (ia < ib) |
474 |
{ |
475 |
itmp = ia; |
476 |
jtmp = ib; |
477 |
}else |
478 |
{ |
479 |
itmp = ib; |
480 |
jtmp = ia; |
481 |
} |
482 |
for (i=0; i < rings.nring6; i++) |
483 |
{ |
484 |
for (j=0; j < 5; j++) |
485 |
{ |
486 |
if (itmp == rings.r16[i][j]) |
487 |
{ |
488 |
for (k=j+1; k < 6; k++) |
489 |
{ |
490 |
if (jtmp == rings.r16[i][k]) |
491 |
return(TRUE); |
492 |
} |
493 |
} |
494 |
} |
495 |
} |
496 |
return(FALSE); |
497 |
} |
498 |
/* -------------------------------------------------------- */ |
499 |
int is_ring63(int ia, int ib, int ic) |
500 |
{ |
501 |
int i, j, k, l; |
502 |
int array[5]; |
503 |
|
504 |
array[0] = ia; |
505 |
array[1] = ib; |
506 |
array[2] = ic; |
507 |
ksort(3,array); |
508 |
for (i=0; i < rings.nring6; i++) |
509 |
{ |
510 |
for (j=0; j < 4; j++) |
511 |
{ |
512 |
if (array[0] == rings.r16[i][j]) |
513 |
{ |
514 |
for (k=j+1; k < 5; k++) |
515 |
{ |
516 |
if (array[1] == rings.r16[i][k]) |
517 |
{ |
518 |
for (l=k+1; l < 6; l++) |
519 |
{ |
520 |
if (array[2] == rings.r16[i][l]) |
521 |
return(TRUE); |
522 |
} |
523 |
} |
524 |
} |
525 |
} |
526 |
} |
527 |
} |
528 |
return(FALSE); |
529 |
} |
530 |
/* -------------------------------------------------------- */ |
531 |
int is_ring66(int *array) |
532 |
{ |
533 |
int i; |
534 |
for(i=0; i < rings.nring6; i++) |
535 |
{ |
536 |
if ( array[0] == rings.r16[i][0] && array[1] == rings.r16[i][1] && array[2] == rings.r16[i][2] && |
537 |
array[3] == rings.r16[i][3] && array[4] == rings.r16[i][4] && array[5] == rings.r16[i][5]) |
538 |
return(TRUE); |
539 |
} |
540 |
return (FALSE); |
541 |
} |
542 |
/* -------------------------------------------------------- */ |
543 |
void get_rings(int natom,int **iat,long int *flags) |
544 |
{ |
545 |
int i,j, add_ring, k, l, m, n,ij,isix; |
546 |
int jatm,katm,latm,matm,xatm; |
547 |
int array[6]; |
548 |
long int aromatic_mask; |
549 |
|
550 |
rings.nring3 = 0; |
551 |
rings.nring4 = 0; |
552 |
rings.nring5 = 0; |
553 |
rings.nring6 = 0; |
554 |
aromatic_mask = (1L << AROMATIC_MASK); |
555 |
|
556 |
// get three membered rings |
557 |
for (i=1; i <= natom; i++) |
558 |
{ |
559 |
for (j=0; j < MAXIAT; j++) |
560 |
{ |
561 |
if (iat[i][j] != 0) |
562 |
{ |
563 |
jatm = iat[i][j]; |
564 |
for (k=0; k < MAXIAT; k++) |
565 |
{ |
566 |
if (iat[jatm][k] != 0 && iat[jatm][k] != i) |
567 |
{ |
568 |
if (isbond(i,iat[jatm][k])) |
569 |
{ |
570 |
array[0] = i; |
571 |
array[1] = jatm; |
572 |
array[2] = iat[jatm][k]; |
573 |
ksort(3,array); |
574 |
add_ring = TRUE; |
575 |
for (j = 0; j < rings.nring3; j++) |
576 |
{ |
577 |
if (array[0] == rings.r13[j][0] && array[1] == rings.r13[j][1] |
578 |
&& array[2] == rings.r13[j][2]) |
579 |
{ |
580 |
add_ring = FALSE; |
581 |
break; |
582 |
} |
583 |
} |
584 |
if (add_ring == TRUE) |
585 |
{ |
586 |
rings.r13[rings.nring3][0] = array[0]; |
587 |
rings.r13[rings.nring3][1] = array[1]; |
588 |
rings.r13[rings.nring3][2] = array[2]; |
589 |
rings.nring3++; |
590 |
if (rings.nring3 >= MAXATOM/3) |
591 |
message_alert("Error. Too many 3 membered rings!","ERROR"); |
592 |
} |
593 |
} |
594 |
} |
595 |
} |
596 |
} |
597 |
} |
598 |
} |
599 |
// get four membered rings |
600 |
for(i=1; i <= natom; i++) |
601 |
{ |
602 |
for(j=0; j < MAXIAT; j++) |
603 |
{ |
604 |
if (iat[i][j] != 0) |
605 |
{ |
606 |
jatm = iat[i][j]; |
607 |
for (k=0; k < MAXIAT; k++) |
608 |
{ |
609 |
if (iat[jatm][k] != 0 && iat[jatm][k] != i) |
610 |
{ |
611 |
katm = iat[jatm][k]; |
612 |
if (!(isbond(katm,i))) |
613 |
{ |
614 |
for(l=0; l < MAXIAT; l++) |
615 |
{ |
616 |
if (iat[katm][l] != 0 && iat[katm][l] != jatm) |
617 |
{ |
618 |
if (isbond(i,iat[katm][l]) ) |
619 |
{ |
620 |
array[0] = i; |
621 |
array[1] = jatm; |
622 |
array[2] = katm; |
623 |
array[3] = iat[katm][l]; |
624 |
ksort(4, array); |
625 |
if ( is_ring44(array) == FALSE ) |
626 |
{ |
627 |
rings.r14[rings.nring4][0] = array[0]; |
628 |
rings.r14[rings.nring4][1] = array[1]; |
629 |
rings.r14[rings.nring4][2] = array[2]; |
630 |
rings.r14[rings.nring4][3] = array[3]; |
631 |
rings.nring4++; |
632 |
if (rings.nring4 >= MAXATOM/4) |
633 |
message_alert("Error. Too many 4 membered rings!","ERROR"); |
634 |
} |
635 |
} |
636 |
} |
637 |
} |
638 |
} |
639 |
} |
640 |
} |
641 |
} |
642 |
} |
643 |
} |
644 |
// get five membered rings i-jatm-katm-latm- |
645 |
for(i=1; i <= natom; i++) |
646 |
{ |
647 |
for(j=0; j < MAXIAT; j++) |
648 |
{ |
649 |
if (iat[i][j] != 0) |
650 |
{ |
651 |
jatm = iat[i][j]; |
652 |
for (k=0; k < MAXIAT; k++) |
653 |
{ |
654 |
if (iat[jatm][k] != 0 && iat[jatm][k] != i) |
655 |
{ |
656 |
katm = iat[jatm][k]; |
657 |
if (!(isbond(katm,i))) |
658 |
{ |
659 |
for(l=0; l < MAXIAT; l++) |
660 |
{ |
661 |
if (iat[katm][l] != 0 && iat[katm][l] != jatm) |
662 |
{ |
663 |
latm = iat[katm][l]; |
664 |
for (m=0; m < MAXIAT; m++) |
665 |
{ |
666 |
if (iat[latm][m] != 0 && iat[latm][m] != katm && iat[latm][m] != jatm) |
667 |
{ |
668 |
if (isbond(i,iat[latm][m])) |
669 |
{ |
670 |
array[0] = i; |
671 |
array[1] = jatm; |
672 |
array[2] = katm; |
673 |
array[3] = latm; |
674 |
array[4] = iat[latm][m]; |
675 |
ksort(5,array); |
676 |
if (is_ring55(array) == FALSE) |
677 |
{ |
678 |
rings.r15[rings.nring5][0] = array[0]; |
679 |
rings.r15[rings.nring5][1] = array[1]; |
680 |
rings.r15[rings.nring5][2] = array[2]; |
681 |
rings.r15[rings.nring5][3] = array[3]; |
682 |
rings.r15[rings.nring5][4] = array[4]; |
683 |
rings.nring5++; |
684 |
if (rings.nring5 >= MAXATOM/5) |
685 |
message_alert("Error. Too many 5 membered rings!","ERROR"); |
686 |
isix = aromatic_5(array,atom.flags,atom.atomnum,atom.iat,atom.bo); |
687 |
if (isix == TRUE) |
688 |
{ |
689 |
for (ij = 0; ij < 5; ij++) |
690 |
flags[array[ij]] |= aromatic_mask; |
691 |
} |
692 |
} |
693 |
} |
694 |
} |
695 |
} |
696 |
} |
697 |
} |
698 |
} |
699 |
} |
700 |
} |
701 |
} |
702 |
} |
703 |
} |
704 |
// get six membered rings |
705 |
for(i=1; i <= natom; i++) |
706 |
{ |
707 |
for(j=0; j < MAXIAT; j++) |
708 |
{ |
709 |
if (iat[i][j] != 0) |
710 |
{ |
711 |
jatm = iat[i][j]; |
712 |
for (k=0; k < MAXIAT; k++) |
713 |
{ |
714 |
if (iat[jatm][k] != 0 && iat[jatm][k] != i) |
715 |
{ |
716 |
katm = iat[jatm][k]; |
717 |
if (!(isbond(katm,i))) |
718 |
{ |
719 |
for(l=0; l < MAXIAT; l++) |
720 |
{ |
721 |
if (iat[katm][l] != 0 && iat[katm][l] != jatm) |
722 |
{ |
723 |
latm = iat[katm][l]; |
724 |
for (m=0; m < MAXIAT; m++) |
725 |
{ |
726 |
if (iat[latm][m] != 0 && iat[latm][m] != katm && iat[latm][m] != jatm) |
727 |
{ |
728 |
xatm = iat[latm][m]; |
729 |
for (n = 0; n < MAXIAT; n++) |
730 |
{ |
731 |
if (iat[xatm][n] != 0 && iat[xatm][n] != latm && iat[xatm][n] != katm) |
732 |
if (isbond(i,iat[xatm][n])) |
733 |
{ |
734 |
array[0] = i; |
735 |
array[1] = jatm; |
736 |
array[2] = katm; |
737 |
array[3] = latm; |
738 |
array[4] = xatm; |
739 |
array[5] = iat[xatm][n]; |
740 |
ksort(6,array); |
741 |
if (is_ring66(array) == FALSE) |
742 |
{ |
743 |
rings.r16[rings.nring6][0] = array[0]; |
744 |
rings.r16[rings.nring6][1] = array[1]; |
745 |
rings.r16[rings.nring6][2] = array[2]; |
746 |
rings.r16[rings.nring6][3] = array[3]; |
747 |
rings.r16[rings.nring6][4] = array[4]; |
748 |
rings.r16[rings.nring6][5] = array[5]; |
749 |
rings.nring6++; |
750 |
if (rings.nring6 >= MAXATOM/6) |
751 |
message_alert("Error. Too many 6 membered rings!","ERROR"); |
752 |
isix = aromatic_6(array,atom.flags,atom.atomnum,atom.iat,atom.bo); |
753 |
if (isix == TRUE) |
754 |
{ |
755 |
for (ij = 0; ij < 6; ij++) |
756 |
flags[array[ij]] |= aromatic_mask; |
757 |
} |
758 |
} |
759 |
} |
760 |
} |
761 |
} |
762 |
} |
763 |
} |
764 |
} |
765 |
} |
766 |
} |
767 |
} |
768 |
} |
769 |
} |
770 |
} |
771 |
} |
772 |
/* =================================================== */ |
773 |
void ksort(int num, int array[]) |
774 |
{ |
775 |
int i,temp; |
776 |
int found; |
777 |
|
778 |
L_1: |
779 |
found = FALSE; |
780 |
for (i=0; i < num-1; i++) |
781 |
{ |
782 |
if (array[i+1] < array[i]) |
783 |
{ |
784 |
temp = array[i]; |
785 |
array[i] = array[i+1]; |
786 |
array[i+1] = temp; |
787 |
found = TRUE; |
788 |
} |
789 |
} |
790 |
if (found == TRUE) |
791 |
goto L_1; |
792 |
} |
793 |
/* --------------------------------------------------------- */ |
794 |
int aromatic_5(int *array,long int *flags,int *atomnum,int **iat,int **bo) |
795 |
{ |
796 |
int i,j,k, jatm, katm; |
797 |
int nodbl, npi; |
798 |
int ia, ib, ic; |
799 |
int db[10]; |
800 |
int ihetero; |
801 |
long int aromatic_mask, mask6; |
802 |
|
803 |
aromatic_mask = (1 << AROMATIC_MASK); |
804 |
mask6 = (1L << RING6); |
805 |
|
806 |
npi = 0; |
807 |
ihetero = 0; |
808 |
for (i=0; i < 4; i++) |
809 |
{ |
810 |
jatm = array[i]; |
811 |
for (j=i+1;j < 5; j++) |
812 |
{ |
813 |
katm = array[j]; |
814 |
if (isbond(jatm,katm)) |
815 |
{ |
816 |
for (k=0; k < MAXIAT; k++) |
817 |
{ |
818 |
if (iat[jatm][k] == katm) |
819 |
{ |
820 |
if (bo[jatm][k] == 2) |
821 |
{ |
822 |
db[npi] = i+j; |
823 |
npi++; |
824 |
}else if ( (flags[jatm] & aromatic_mask && flags[jatm] & mask6 ) |
825 |
&& (flags[katm] & aromatic_mask && flags[katm] & mask6 )) |
826 |
{ |
827 |
db[npi] = i+j; |
828 |
npi++; |
829 |
} |
830 |
} |
831 |
} |
832 |
} |
833 |
} |
834 |
} |
835 |
for (i=0; i < 5; i++) |
836 |
{ |
837 |
jatm = array[i]; |
838 |
if (atomnum[jatm] != 6) |
839 |
{ |
840 |
nodbl = FALSE; |
841 |
for(j=0; j < MAXIAT; j++) |
842 |
{ |
843 |
if (iat[jatm][j] != 0) |
844 |
{ |
845 |
if (bo[jatm][j] > 1 && bo[jatm][j] != 9) |
846 |
nodbl = TRUE; |
847 |
} |
848 |
} |
849 |
if (nodbl == FALSE) |
850 |
ihetero = jatm; |
851 |
} |
852 |
} |
853 |
if (npi >= 2 && ihetero != 0) // got an aromatic ring with heteroatom |
854 |
return TRUE; |
855 |
|
856 |
if (npi == 0) // no double bonds in ring |
857 |
return FALSE; |
858 |
|
859 |
if (npi == 1 && ihetero == 0) |
860 |
return FALSE; |
861 |
|
862 |
if (npi == 1) |
863 |
{ |
864 |
if (db[0] == 1) |
865 |
{ |
866 |
ia = array[2]; |
867 |
ib = array[3]; |
868 |
ic = array[4]; |
869 |
} else if (db[0] == 3) |
870 |
{ |
871 |
ia = array[0]; |
872 |
ib = array[3]; |
873 |
ic = array[4]; |
874 |
} else if (db[0] == 4) |
875 |
{ |
876 |
ia = array[1]; |
877 |
ib = array[2]; |
878 |
ic = array[3]; |
879 |
} else if (db[0] == 5) |
880 |
{ |
881 |
ia = array[0]; |
882 |
ib = array[1]; |
883 |
ic = array[4]; |
884 |
} else if (db[0] == 7) |
885 |
{ |
886 |
ia = array[0]; |
887 |
ib = array[1]; |
888 |
ic = array[2]; |
889 |
} |
890 |
if (ia == ihetero) |
891 |
{ |
892 |
for(i=0; i < rings.nring6; i++) |
893 |
{ |
894 |
for (j=0; j < 6; j++) |
895 |
{ |
896 |
if (rings.r16[i][j] == ib) |
897 |
{ |
898 |
if (flags[ib] & aromatic_mask) |
899 |
return TRUE; |
900 |
} |
901 |
if (rings.r16[i][j] == ic) |
902 |
{ |
903 |
if (flags[ic] & aromatic_mask) |
904 |
return TRUE; |
905 |
} |
906 |
} |
907 |
} |
908 |
} else if (ib == ihetero) |
909 |
{ |
910 |
for(i=0; i < rings.nring6; i++) |
911 |
{ |
912 |
for (j=0; j < 6; j++) |
913 |
{ |
914 |
if (rings.r16[i][j] == ia) |
915 |
{ |
916 |
if (flags[ia] & aromatic_mask) |
917 |
return TRUE; |
918 |
} |
919 |
if (rings.r16[i][j] == ic) |
920 |
{ |
921 |
if (flags[ic] & aromatic_mask) |
922 |
return TRUE; |
923 |
} |
924 |
} |
925 |
} |
926 |
} else if (ic == ihetero) |
927 |
{ |
928 |
for(i=0; i < rings.nring6; i++) |
929 |
{ |
930 |
for (j=0; j < 6; j++) |
931 |
{ |
932 |
if (rings.r16[i][j] == ib) |
933 |
{ |
934 |
if (flags[ib] & aromatic_mask) |
935 |
return TRUE; |
936 |
} |
937 |
if (rings.r16[i][j] == ia) |
938 |
{ |
939 |
if (flags[ia] & aromatic_mask) |
940 |
return TRUE; |
941 |
} |
942 |
} |
943 |
} |
944 |
} |
945 |
} |
946 |
return FALSE; |
947 |
} |
948 |
/* --------------------------------------------------------- */ |
949 |
int aromatic_6(int *array,long int *flags,int *atomnum,int **iat,int **bo) |
950 |
{ |
951 |
int i,j,k, ia,ib, idbl,kdbl; |
952 |
int num, inarray[10]; |
953 |
long int aromatic_mask, mask6; |
954 |
|
955 |
aromatic_mask = (1 << AROMATIC_MASK); |
956 |
mask6 = (1L << RING6); |
957 |
num = 0; |
958 |
for (i=0; i < 10; i++) |
959 |
inarray[i] = FALSE; |
960 |
|
961 |
for (i=0; i < 5; i++) |
962 |
{ |
963 |
ia = array[i]; |
964 |
for (j=i+1; j < 6; j++) |
965 |
{ |
966 |
for (k=0; k < MAXIAT; k++) |
967 |
{ |
968 |
if (iat[ia][k] == array[j]) |
969 |
{ |
970 |
if (bo[ia][k] == 2) |
971 |
{ |
972 |
num++; |
973 |
inarray[i] = TRUE; |
974 |
inarray[j] = TRUE; |
975 |
} |
976 |
} |
977 |
} |
978 |
} |
979 |
} |
980 |
if (num == 3) |
981 |
return TRUE; |
982 |
|
983 |
if (num >= 1) |
984 |
{ |
985 |
for(i=0; i < 5; i++) |
986 |
{ |
987 |
if (inarray[i] == FALSE) |
988 |
{ |
989 |
ia = array[i]; |
990 |
for(j=i+1;j < 6; j++) |
991 |
{ |
992 |
if (inarray[j] == FALSE) |
993 |
{ |
994 |
ib = array[j]; |
995 |
if ( (flags[ia] & aromatic_mask) && (flags[ib] & aromatic_mask)) |
996 |
{ |
997 |
num++; |
998 |
if (num == 3) |
999 |
return TRUE; |
1000 |
} else if (isbond(ia,ib)) |
1001 |
{ |
1002 |
idbl = FALSE; |
1003 |
kdbl = FALSE; |
1004 |
for(k=0; k < MAXIAT; k++) |
1005 |
{ |
1006 |
if (iat[ia][k] !=0 && bo[ia][k] == 2) |
1007 |
{ |
1008 |
if (atomnum[iat[ia][k]] == 6 || atomnum[iat[ia][k]] == 7) |
1009 |
{ |
1010 |
if (flags[iat[ia][k]] & mask6) |
1011 |
idbl = TRUE; |
1012 |
} |
1013 |
} |
1014 |
if (iat[ib][k] !=0 && bo[ib][k] == 2) |
1015 |
{ |
1016 |
if (atomnum[iat[ib][k]] == 6 || atomnum[iat[ib][k]] == 7) |
1017 |
{ |
1018 |
if (flags[iat[ib][k]] & mask6) |
1019 |
kdbl = TRUE; |
1020 |
} |
1021 |
} |
1022 |
} |
1023 |
if (idbl == TRUE && kdbl == TRUE) |
1024 |
{ |
1025 |
num++; |
1026 |
if (num == 3) |
1027 |
return TRUE; |
1028 |
} |
1029 |
} |
1030 |
inarray[i] = TRUE; |
1031 |
inarray[j] = TRUE; |
1032 |
} |
1033 |
} |
1034 |
} |
1035 |
} |
1036 |
} |
1037 |
return FALSE; |
1038 |
} |