Skip to main content

Table 6 Bond length values of the discussed benzimidazoles

From: Synthesis, density functional theory study and in vitro antimicrobial evaluation of new benzimidazole Mannich bases

Chemical bond Length (Å)
M-1 M-2 M-3 M-4 M-5 1B
C8-C10 1.506 1.509 1.511 1.506 1.505 1.507
C10-C12 1.528 1.520 1.517 1.517 1.517 1.518
C10-O11 1.415 1.430 1.426 1.438 1.438 1.427
O11-H20 0.966 0.963 0.961 0.963 0.963 0.961
N7-C14 1.445 1.453 1.447 1.442 1.443
C14-N15 1.446 1.441 1.458 1.446 1.445
N15-C16 1.458 1.460 1.429 1.370 1.374
C16-C17 1.519 1.519 1.397 1.407 1.404
C17-X18 1.454 1.421 1.385 1.373 1.367
X18-C19 1.451 1.387 1.388 1.396
C19-Y20 1.386 1.467 1.493
N21-O22 (NO2) 1.213
C-O (COOH) 1.354
C = O (COOH)   1.196
OH (COOH)   0.961