organic compounds
c]quinazolin-6-yl)-2-methoxyphenol
of 5-(5,6-dihydrobenzo[4,5]imidazo[1,2-aSchool of Chemical Sciences, 11800, USM Pulau Pinang, Malaysia
*Correspondence e-mail: farook@usm.my
In the molecule of the title compound, C21H17N3O2, the 5,6-dihydrobenzimidazo[1,2-c]quinazoline moiety is disordered over two orientations about a pseudo-mirror plane, with a refined occupancy ratio of 0.863 (2):0.137 (2). The dihedral angles formed by the benzimidazole ring system and the benzene ring of the quinazoline group are 14.28 (5) and 4.7 (3)° for the major and minor disorder components, respectively. An intramolecular O—H⋯O hydrogen bond is present. In the crystal, molecules are linked by O—H⋯N hydrogen bonds, forming chains running parallel to [10-1].
Keywords: crystal structure; cyclization; imidazole derivative.
CCDC reference: 1048554
1. Related literature
For the structure of related N-heterocyclic Schiff base compounds, see: Cheng et al. (2006); Ünver et al. (2010); Gurumoorthy et al. (2010); Natarajan & Mathews (2011); Alliouche et al. (2014).
2. Experimental
2.1. Crystal data
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2.2. Data collection
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2.3. Refinement
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Data collection: APEX2 (Bruker, 2008); cell SAINT (Bruker, 2008); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick 2008); program(s) used to refine structure: SHELXL2013 (Sheldrick, 2015); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supporting information
CCDC reference: 1048554
https://doi.org/10.1107/S2056989015021180/rz5173sup1.cif
contains datablocks I, New_Global_Publ_Block. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2056989015021180/rz5173Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2056989015021180/rz5173Isup3.cml
The title compound (Fig. 1), which features a cyclic structure instead of the planned imine C═N double bond of a Schiff base compound, was unexpectedly obtained by the reaction of 3-hydroxy-4-methoxy-benzaldehyde and 2-(2-aminophenyl)-1H-benzimidazole. In the molecule, the 5,6-dihydrobenzimidazo[1,2-c]quinazoline moiety has been found to be disordered over two sets of sites, with occupancy ratio of 0.863 (2):0.137 (2), related by a pseudo-mirror plane approximately parallel to the (1 0 1) plane. Within the disordered components, the dihedral angle between the benzimidazole ring and the benzene ring of the quinazoline group is 14.28 (5) and 4.7 (3)°, respectively. The is enforced by an intramolecular O—H···O hydrogen bond (Table 1). In the crystal, molecules form chains parallel to the [1 0 -1] direction via O—H···N hydrogen bonds.
During the
of the disordered 5,6-dihydrobenzimidazo[1,2-c]quinazoline moiety DELU and SIMU restraints were applied. The phenolic hydrogen atom was located in a difference Fourier map and refined freely. All other H atoms were calculated geometrically and refined using a riding model, with C—H = 0.93-0.98 Å, N—H = 0.86 Å, and with Uiso(H) = 1.2 Ueq(C, N) or 1.5 Ueq(C) for methyl H atoms. A rotating model was used for the methyl group. Four outliers (-3 0 1, -7 0 1, 0 0 2, 0 0 6) were omitted in the last cycles of refinement.3-Hydroxy-4-methoxy-benzaldehyde (5 mmol, 0.761 g) and 2-(2-aminophenyl)-1H-benzimidazole (5 mmol, 1.046 g) were dissolved in ethanol in separate beakers, then the amine solution was added drop wise with stirring to the aldehyde solution in a round bottomed flask. The mixture was refluxed over 4h. The product was filtered and washed with hot ethanol and n-hexane, then dried out over 24 h under reduced pressure in a desiccator. Single crystals suitable for X-ray analysis were formed on slow evaporation of the ethanol solution. M. p.: 560-561 K; Yield: 97%. Anal. Cal. for C21H17N3O2 (fw: 343.43 g/mol); C, 73.56; H, 4.95; N, 12.23; Found: C, 73.90; H, 4.56; N, 12.24%. IR (KBr pellets νmax/cm-1): 3382 ν(OH), 1616 ν(C=N), 1497 ν(CH3, stre.), 1154 ν(C—O), 1127 ν(C—N).
The title compound (Fig. 1), which features a cyclic structure instead of the planned imine C═N double bond of a Schiff base compound, was unexpectedly obtained by the reaction of 3-hydroxy-4-methoxy-benzaldehyde and 2-(2-aminophenyl)-1H-benzimidazole. In the molecule, the 5,6-dihydrobenzimidazo[1,2-c]quinazoline moiety has been found to be disordered over two sets of sites, with occupancy ratio of 0.863 (2):0.137 (2), related by a pseudo-mirror plane approximately parallel to the (1 0 1) plane. Within the disordered components, the dihedral angle between the benzimidazole ring and the benzene ring of the quinazoline group is 14.28 (5) and 4.7 (3)°, respectively. The is enforced by an intramolecular O—H···O hydrogen bond (Table 1). In the crystal, molecules form chains parallel to the [1 0 -1] direction via O—H···N hydrogen bonds.
For the structure of related N-heterocyclic Schiff base compounds, see: Cheng et al. (2006); Ünver et al. (2010); Gurumoorthy et al. (2010); Natarajan & Mathews (2011); Alliouche et al. (2014).
3-Hydroxy-4-methoxy-benzaldehyde (5 mmol, 0.761 g) and 2-(2-aminophenyl)-1H-benzimidazole (5 mmol, 1.046 g) were dissolved in ethanol in separate beakers, then the amine solution was added drop wise with stirring to the aldehyde solution in a round bottomed flask. The mixture was refluxed over 4h. The product was filtered and washed with hot ethanol and n-hexane, then dried out over 24 h under reduced pressure in a desiccator. Single crystals suitable for X-ray analysis were formed on slow evaporation of the ethanol solution. M. p.: 560-561 K; Yield: 97%. Anal. Cal. for C21H17N3O2 (fw: 343.43 g/mol); C, 73.56; H, 4.95; N, 12.23; Found: C, 73.90; H, 4.56; N, 12.24%. IR (KBr pellets νmax/cm-1): 3382 ν(OH), 1616 ν(C=N), 1497 ν(CH3, stre.), 1154 ν(C—O), 1127 ν(C—N).
detailsDuring the
of the disordered 5,6-dihydrobenzimidazo[1,2-c]quinazoline moiety DELU and SIMU restraints were applied. The phenolic hydrogen atom was located in a difference Fourier map and refined freely. All other H atoms were calculated geometrically and refined using a riding model, with C—H = 0.93-0.98 Å, N—H = 0.86 Å, and with Uiso(H) = 1.2 Ueq(C, N) or 1.5 Ueq(C) for methyl H atoms. A rotating model was used for the methyl group. Four outliers (-3 0 1, -7 0 1, 0 0 2, 0 0 6) were omitted in the last cycles of refinement.Data collection: APEX2 (Bruker, 2008); cell
SAINT (Bruker, 2008); data reduction: SAINT (Bruker, 2008); program(s) used to solve structure: SHELXS97 (Sheldrick 2008); program(s) used to refine structure: SHELXL2013 (Sheldrick, 2015); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).C21H17N3O2 | Dx = 1.334 Mg m−3 |
Mr = 343.38 | Melting point < 560 K |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
a = 9.7359 (7) Å | Cell parameters from 4581 reflections |
b = 10.0822 (7) Å | θ = 3.1–27.8° |
c = 17.4624 (13) Å | µ = 0.09 mm−1 |
β = 94.2958 (15)° | T = 294 K |
V = 1709.3 (2) Å3 | Block, colourless |
Z = 4 | 0.29 × 0.20 × 0.12 mm |
F(000) = 720 |
Bruker APEXII CCD diffractometer | Rint = 0.030 |
φ and ω scans | θmax = 30.1°, θmin = 2.3° |
19177 measured reflections | h = −13→13 |
4987 independent reflections | k = −14→14 |
3575 reflections with I > 2σ(I) | l = −23→24 |
Refinement on F2 | 752 restraints |
Least-squares matrix: full | Hydrogen site location: mixed |
R[F2 > 2σ(F2)] = 0.049 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.139 | w = 1/[σ2(Fo2) + (0.0534P)2 + 0.4546P] where P = (Fo2 + 2Fc2)/3 |
S = 1.05 | (Δ/σ)max < 0.001 |
4987 reflections | Δρmax = 0.34 e Å−3 |
370 parameters | Δρmin = −0.23 e Å−3 |
C21H17N3O2 | V = 1709.3 (2) Å3 |
Mr = 343.38 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 9.7359 (7) Å | µ = 0.09 mm−1 |
b = 10.0822 (7) Å | T = 294 K |
c = 17.4624 (13) Å | 0.29 × 0.20 × 0.12 mm |
β = 94.2958 (15)° |
Bruker APEXII CCD diffractometer | 3575 reflections with I > 2σ(I) |
19177 measured reflections | Rint = 0.030 |
4987 independent reflections |
R[F2 > 2σ(F2)] = 0.049 | 752 restraints |
wR(F2) = 0.139 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.05 | Δρmax = 0.34 e Å−3 |
4987 reflections | Δρmin = −0.23 e Å−3 |
370 parameters |
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes. |
x | y | z | Uiso*/Ueq | Occ. (<1) | |
O1 | 0.93764 (14) | 0.63506 (12) | −0.04088 (7) | 0.0588 (4) | |
O2 | 0.86896 (12) | 0.89115 (10) | −0.05203 (6) | 0.0491 (3) | |
N1 | 0.59770 (15) | 0.75237 (13) | 0.35710 (8) | 0.0396 (3) | 0.863 (2) |
N2 | 0.69523 (14) | 0.63791 (13) | 0.26610 (7) | 0.0359 (3) | 0.863 (2) |
N3 | 0.57057 (16) | 0.51245 (15) | 0.17367 (9) | 0.0468 (4) | 0.863 (2) |
H3B | 0.5651 | 0.4327 | 0.1563 | 0.056* | 0.863 (2) |
C1 | 0.7995 (2) | 0.6669 (2) | 0.32075 (11) | 0.0351 (4) | 0.863 (2) |
C2 | 0.9392 (3) | 0.6376 (2) | 0.32537 (13) | 0.0478 (5) | 0.863 (2) |
H2A | 0.9797 | 0.5919 | 0.2866 | 0.057* | 0.863 (2) |
C3 | 1.0146 (3) | 0.6803 (3) | 0.39098 (19) | 0.0598 (7) | 0.863 (2) |
H3A | 1.1089 | 0.6642 | 0.3960 | 0.072* | 0.863 (2) |
C4 | 0.9543 (3) | 0.7462 (3) | 0.44958 (16) | 0.0597 (7) | 0.863 (2) |
H4A | 1.0086 | 0.7713 | 0.4933 | 0.072* | 0.863 (2) |
C5 | 0.8155 (3) | 0.7756 (2) | 0.44454 (12) | 0.0487 (5) | 0.863 (2) |
H5A | 0.7753 | 0.8198 | 0.4839 | 0.058* | 0.863 (2) |
C6 | 0.7377 (2) | 0.7363 (2) | 0.37795 (13) | 0.0375 (4) | 0.863 (2) |
C7 | 0.5774 (3) | 0.6934 (7) | 0.2911 (3) | 0.0361 (7) | 0.863 (2) |
C8 | 0.4506 (2) | 0.6765 (2) | 0.24247 (13) | 0.0403 (4) | 0.863 (2) |
C9 | 0.3310 (3) | 0.7459 (2) | 0.25541 (13) | 0.0526 (5) | 0.863 (2) |
H9A | 0.3318 | 0.8086 | 0.2945 | 0.063* | 0.863 (2) |
C10 | 0.2110 (3) | 0.7218 (3) | 0.2101 (2) | 0.0635 (8) | 0.863 (2) |
H10A | 0.1311 | 0.7688 | 0.2180 | 0.076* | 0.863 (2) |
C11 | 0.2111 (3) | 0.6263 (4) | 0.1525 (2) | 0.0674 (9) | 0.863 (2) |
H11A | 0.1300 | 0.6088 | 0.1226 | 0.081* | 0.863 (2) |
C12 | 0.3284 (3) | 0.5578 (3) | 0.13899 (14) | 0.0559 (6) | 0.863 (2) |
H12A | 0.3264 | 0.4942 | 0.1003 | 0.067* | 0.863 (2) |
C13 | 0.4515 (2) | 0.5835 (2) | 0.18347 (13) | 0.0424 (4) | 0.863 (2) |
C14 | 0.7041 (5) | 0.5718 (5) | 0.1925 (2) | 0.0344 (6) | 0.863 (2) |
H14B | 0.7722 | 0.5004 | 0.1994 | 0.041* | 0.863 (2) |
N1X | 0.5001 (9) | 0.7439 (9) | 0.3169 (5) | 0.0386 (19) | 0.137 (2) |
N2X | 0.5950 (10) | 0.6217 (9) | 0.2297 (5) | 0.0419 (19) | 0.137 (2) |
N3X | 0.8202 (12) | 0.5396 (10) | 0.2406 (5) | 0.056 (2) | 0.137 (2) |
H3XB | 0.8617 | 0.4652 | 0.2356 | 0.067* | 0.137 (2) |
C1X | 0.4602 (9) | 0.6321 (10) | 0.2060 (7) | 0.040 (2) | 0.137 (2) |
C2X | 0.3809 (14) | 0.5828 (12) | 0.1429 (6) | 0.053 (3) | 0.137 (2) |
H2XA | 0.4212 | 0.5298 | 0.1071 | 0.063* | 0.137 (2) |
C3X | 0.2413 (14) | 0.6126 (16) | 0.1331 (6) | 0.059 (4) | 0.137 (2) |
H3XA | 0.1882 | 0.5796 | 0.0908 | 0.071* | 0.137 (2) |
C4X | 0.1810 (9) | 0.6918 (15) | 0.1865 (8) | 0.052 (4) | 0.137 (2) |
H4XA | 0.0876 | 0.7117 | 0.1799 | 0.063* | 0.137 (2) |
C5X | 0.2603 (13) | 0.7411 (10) | 0.2496 (6) | 0.054 (3) | 0.137 (2) |
H5XA | 0.2200 | 0.7941 | 0.2853 | 0.065* | 0.137 (2) |
C6X | 0.3999 (12) | 0.7113 (10) | 0.2594 (5) | 0.036 (2) | 0.137 (2) |
C7X | 0.611 (2) | 0.683 (4) | 0.2897 (19) | 0.032 (3) | 0.137 (2) |
C8X | 0.7465 (9) | 0.6924 (9) | 0.3393 (6) | 0.036 (2) | 0.137 (2) |
C9X | 0.7716 (11) | 0.7555 (10) | 0.4097 (7) | 0.043 (3) | 0.137 (2) |
H9XA | 0.7015 | 0.8027 | 0.4308 | 0.051* | 0.137 (2) |
C10X | 0.9013 (14) | 0.7482 (15) | 0.4486 (6) | 0.061 (5) | 0.137 (2) |
H10B | 0.9180 | 0.7904 | 0.4957 | 0.073* | 0.137 (2) |
C11X | 1.0059 (10) | 0.6776 (18) | 0.4170 (8) | 0.071 (5) | 0.137 (2) |
H11B | 1.0927 | 0.6727 | 0.4430 | 0.085* | 0.137 (2) |
C12X | 0.9809 (11) | 0.6144 (14) | 0.3466 (7) | 0.061 (4) | 0.137 (2) |
H12B | 1.0509 | 0.5673 | 0.3255 | 0.074* | 0.137 (2) |
C13X | 0.8512 (13) | 0.6218 (9) | 0.3077 (5) | 0.045 (2) | 0.137 (2) |
C14X | 0.712 (4) | 0.588 (3) | 0.1788 (18) | 0.052 (6) | 0.137 (2) |
H14A | 0.6815 | 0.5086 | 0.1499 | 0.062* | 0.137 (2) |
C15 | 0.75062 (14) | 0.66702 (13) | 0.13052 (7) | 0.0347 (3) | |
C16 | 0.82721 (14) | 0.61424 (13) | 0.07362 (8) | 0.0360 (3) | |
H16A | 0.8526 | 0.5253 | 0.0760 | 0.043* | |
C17 | 0.86614 (14) | 0.69147 (13) | 0.01369 (7) | 0.0351 (3) | |
C18 | 0.82827 (14) | 0.82542 (13) | 0.01053 (7) | 0.0354 (3) | |
C19 | 0.75414 (18) | 0.87820 (14) | 0.06726 (9) | 0.0465 (4) | |
H19A | 0.7295 | 0.9673 | 0.0654 | 0.056* | |
C20 | 0.71589 (18) | 0.79913 (14) | 0.12733 (9) | 0.0475 (4) | |
H20A | 0.6664 | 0.8359 | 0.1656 | 0.057* | |
C21 | 0.8361 (2) | 1.02811 (16) | −0.05978 (11) | 0.0623 (5) | |
H21A | 0.8729 | 1.0624 | −0.1053 | 0.093* | |
H21B | 0.8754 | 1.0754 | −0.0157 | 0.093* | |
H21C | 0.7379 | 1.0390 | −0.0636 | 0.093* | |
H1O1 | 0.969 (3) | 0.692 (3) | −0.0666 (15) | 0.096 (8)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0862 (9) | 0.0403 (6) | 0.0563 (7) | 0.0106 (6) | 0.0472 (7) | 0.0054 (5) |
O2 | 0.0672 (7) | 0.0399 (5) | 0.0426 (6) | 0.0027 (5) | 0.0206 (5) | 0.0083 (4) |
N1 | 0.0473 (8) | 0.0401 (7) | 0.0333 (7) | 0.0007 (6) | 0.0145 (6) | −0.0021 (5) |
N2 | 0.0400 (7) | 0.0406 (7) | 0.0284 (6) | 0.0019 (6) | 0.0117 (5) | −0.0006 (5) |
N3 | 0.0548 (9) | 0.0404 (7) | 0.0466 (8) | −0.0107 (6) | 0.0136 (6) | −0.0101 (6) |
C1 | 0.0402 (10) | 0.0353 (9) | 0.0305 (8) | 0.0008 (8) | 0.0081 (7) | 0.0053 (7) |
C2 | 0.0433 (13) | 0.0536 (11) | 0.0471 (12) | 0.0052 (10) | 0.0077 (9) | 0.0060 (9) |
C3 | 0.0489 (12) | 0.0677 (16) | 0.0609 (17) | 0.0029 (11) | −0.0089 (10) | 0.0096 (13) |
C4 | 0.0650 (18) | 0.0624 (15) | 0.0490 (13) | −0.0030 (14) | −0.0144 (11) | 0.0055 (10) |
C5 | 0.0674 (15) | 0.0454 (10) | 0.0328 (10) | −0.0047 (10) | 0.0008 (9) | 0.0020 (8) |
C6 | 0.0496 (11) | 0.0341 (9) | 0.0297 (10) | −0.0012 (8) | 0.0089 (8) | 0.0027 (8) |
C7 | 0.0403 (16) | 0.0370 (13) | 0.0331 (10) | 0.0027 (15) | 0.0174 (13) | 0.0005 (8) |
C8 | 0.0396 (10) | 0.0447 (11) | 0.0379 (11) | −0.0012 (8) | 0.0108 (8) | 0.0023 (8) |
C9 | 0.0419 (12) | 0.0642 (13) | 0.0529 (12) | 0.0060 (12) | 0.0115 (11) | 0.0099 (9) |
C10 | 0.0392 (12) | 0.085 (2) | 0.067 (2) | 0.0031 (13) | 0.0073 (12) | 0.0217 (16) |
C11 | 0.0461 (12) | 0.092 (2) | 0.0631 (19) | −0.0165 (14) | −0.0052 (13) | 0.0200 (16) |
C12 | 0.0547 (15) | 0.0652 (14) | 0.0469 (11) | −0.0225 (12) | −0.0023 (10) | 0.0043 (10) |
C13 | 0.0451 (10) | 0.0463 (11) | 0.0363 (10) | −0.0126 (9) | 0.0074 (8) | 0.0041 (8) |
C14 | 0.0465 (11) | 0.0317 (9) | 0.0272 (14) | 0.0000 (8) | 0.0162 (9) | 0.0024 (9) |
N1X | 0.042 (4) | 0.045 (4) | 0.030 (4) | −0.001 (4) | 0.009 (3) | −0.003 (3) |
N2X | 0.058 (4) | 0.043 (4) | 0.026 (4) | 0.000 (4) | 0.015 (3) | −0.003 (3) |
N3X | 0.075 (6) | 0.053 (5) | 0.042 (5) | 0.030 (5) | 0.026 (4) | 0.017 (4) |
C1X | 0.052 (5) | 0.037 (6) | 0.032 (6) | −0.009 (5) | 0.011 (4) | −0.015 (4) |
C2X | 0.063 (7) | 0.063 (8) | 0.035 (6) | −0.031 (7) | 0.020 (5) | −0.013 (5) |
C3X | 0.074 (9) | 0.068 (9) | 0.037 (7) | −0.015 (8) | 0.005 (7) | 0.011 (5) |
C4X | 0.046 (7) | 0.070 (10) | 0.040 (8) | −0.009 (6) | −0.005 (5) | 0.008 (6) |
C5X | 0.034 (6) | 0.075 (8) | 0.054 (7) | −0.001 (7) | −0.003 (6) | 0.002 (6) |
C6X | 0.035 (5) | 0.039 (6) | 0.033 (5) | 0.001 (5) | 0.002 (5) | −0.005 (4) |
C7X | 0.036 (6) | 0.030 (7) | 0.030 (5) | −0.001 (7) | 0.015 (6) | 0.001 (4) |
C8X | 0.047 (5) | 0.031 (5) | 0.033 (5) | 0.006 (4) | 0.015 (4) | −0.005 (4) |
C9X | 0.050 (6) | 0.043 (6) | 0.035 (7) | −0.004 (5) | 0.000 (5) | 0.002 (5) |
C10X | 0.059 (10) | 0.063 (8) | 0.058 (7) | 0.005 (8) | −0.021 (7) | 0.014 (6) |
C11X | 0.063 (8) | 0.079 (11) | 0.067 (10) | 0.003 (7) | −0.019 (7) | 0.022 (8) |
C12X | 0.045 (7) | 0.083 (9) | 0.057 (8) | 0.013 (6) | 0.008 (5) | 0.033 (6) |
C13X | 0.034 (5) | 0.055 (7) | 0.048 (5) | 0.011 (5) | 0.012 (4) | 0.026 (4) |
C14X | 0.063 (8) | 0.055 (13) | 0.038 (10) | 0.015 (9) | 0.013 (6) | −0.021 (9) |
C15 | 0.0395 (7) | 0.0351 (6) | 0.0306 (6) | 0.0002 (5) | 0.0092 (5) | −0.0015 (5) |
C16 | 0.0412 (7) | 0.0308 (6) | 0.0374 (7) | 0.0015 (5) | 0.0127 (5) | 0.0000 (5) |
C17 | 0.0376 (7) | 0.0356 (6) | 0.0335 (6) | −0.0005 (5) | 0.0121 (5) | −0.0036 (5) |
C18 | 0.0420 (7) | 0.0337 (6) | 0.0311 (6) | −0.0016 (5) | 0.0073 (5) | 0.0012 (5) |
C19 | 0.0646 (10) | 0.0306 (6) | 0.0468 (8) | 0.0050 (6) | 0.0198 (7) | −0.0008 (6) |
C20 | 0.0670 (10) | 0.0369 (7) | 0.0415 (8) | 0.0053 (7) | 0.0244 (7) | −0.0053 (6) |
C21 | 0.0813 (13) | 0.0413 (8) | 0.0660 (11) | −0.0010 (8) | 0.0158 (9) | 0.0155 (8) |
O1—C17 | 1.3473 (16) | N2X—C14X | 1.53 (3) |
O1—H1O1 | 0.80 (3) | N3X—C13X | 1.449 (14) |
O2—C18 | 1.3617 (16) | N3X—C14X | 1.53 (3) |
O2—C21 | 1.4215 (19) | N3X—H3XB | 0.8600 |
N1—C7 | 1.299 (5) | C1X—C2X | 1.3900 |
N1—C6 | 1.394 (2) | C1X—C6X | 1.3900 |
N2—C1 | 1.372 (2) | C2X—C3X | 1.3900 |
N2—C7 | 1.377 (3) | C2X—H2XA | 0.9300 |
N2—C14 | 1.455 (5) | C3X—C4X | 1.3900 |
N3—C13 | 1.384 (3) | C3X—H3XA | 0.9300 |
N3—C14 | 1.446 (5) | C4X—C5X | 1.3900 |
N3—H3B | 0.8600 | C4X—H4XA | 0.9300 |
C1—C2 | 1.389 (3) | C5X—C6X | 1.3900 |
C1—C6 | 1.392 (3) | C5X—H5XA | 0.9300 |
C2—C3 | 1.382 (3) | C7X—C8X | 1.53 (3) |
C2—H2A | 0.9300 | C8X—C9X | 1.3900 |
C3—C4 | 1.387 (4) | C8X—C13X | 1.3900 |
C3—H3A | 0.9300 | C9X—C10X | 1.3900 |
C4—C5 | 1.380 (4) | C9X—H9XA | 0.9300 |
C4—H4A | 0.9300 | C10X—C11X | 1.3900 |
C5—C6 | 1.397 (3) | C10X—H10B | 0.9300 |
C5—H5A | 0.9300 | C11X—C12X | 1.3900 |
C7—C8 | 1.455 (4) | C11X—H11B | 0.9300 |
C8—C9 | 1.391 (3) | C12X—C13X | 1.3900 |
C8—C13 | 1.394 (3) | C12X—H12B | 0.9300 |
C9—C10 | 1.383 (4) | C14X—C15 | 1.24 (3) |
C9—H9A | 0.9300 | C14X—H14A | 0.9800 |
C10—C11 | 1.392 (4) | C15—C20 | 1.3744 (19) |
C10—H10A | 0.9300 | C15—C16 | 1.3919 (18) |
C11—C12 | 1.370 (4) | C16—C17 | 1.3801 (18) |
C11—H11A | 0.9300 | C16—H16A | 0.9300 |
C12—C13 | 1.403 (3) | C17—C18 | 1.4000 (19) |
C12—H12A | 0.9300 | C18—C19 | 1.376 (2) |
C14—C15 | 1.540 (4) | C19—C20 | 1.390 (2) |
C14—H14B | 0.9800 | C19—H19A | 0.9300 |
N1X—C7X | 1.36 (2) | C20—H20A | 0.9300 |
N1X—C6X | 1.386 (12) | C21—H21A | 0.9600 |
N2X—C7X | 1.22 (3) | C21—H21B | 0.9600 |
N2X—C1X | 1.350 (13) | C21—H21C | 0.9600 |
C17—O1—H1O1 | 109.3 (19) | C1X—C2X—H2XA | 120.0 |
C18—O2—C21 | 118.18 (12) | C2X—C3X—C4X | 120.0 |
C7—N1—C6 | 105.05 (18) | C2X—C3X—H3XA | 120.0 |
C1—N2—C7 | 106.5 (2) | C4X—C3X—H3XA | 120.0 |
C1—N2—C14 | 128.5 (2) | C5X—C4X—C3X | 120.0 |
C7—N2—C14 | 124.9 (3) | C5X—C4X—H4XA | 120.0 |
C13—N3—C14 | 120.3 (2) | C3X—C4X—H4XA | 120.0 |
C13—N3—H3B | 119.9 | C4X—C5X—C6X | 120.0 |
C14—N3—H3B | 119.9 | C4X—C5X—H5XA | 120.0 |
N2—C1—C2 | 131.7 (2) | C6X—C5X—H5XA | 120.0 |
N2—C1—C6 | 105.6 (2) | N1X—C6X—C5X | 131.8 (10) |
C2—C1—C6 | 122.63 (17) | N1X—C6X—C1X | 108.2 (10) |
C3—C2—C1 | 116.0 (2) | C5X—C6X—C1X | 120.0 |
C3—C2—H2A | 122.0 | N2X—C7X—N1X | 118 (2) |
C1—C2—H2A | 122.0 | N2X—C7X—C8X | 124.7 (18) |
C2—C3—C4 | 122.2 (3) | N1X—C7X—C8X | 117 (2) |
C2—C3—H3A | 118.9 | C9X—C8X—C13X | 120.0 |
C4—C3—H3A | 118.9 | C9X—C8X—C7X | 128.1 (13) |
C5—C4—C3 | 121.5 (2) | C13X—C8X—C7X | 111.9 (13) |
C5—C4—H4A | 119.2 | C8X—C9X—C10X | 120.0 |
C3—C4—H4A | 119.2 | C8X—C9X—H9XA | 120.0 |
C4—C5—C6 | 117.4 (2) | C10X—C9X—H9XA | 120.0 |
C4—C5—H5A | 121.3 | C11X—C10X—C9X | 120.0 |
C6—C5—H5A | 121.3 | C11X—C10X—H10B | 120.0 |
C1—C6—N1 | 109.7 (2) | C9X—C10X—H10B | 120.0 |
C1—C6—C5 | 120.2 (2) | C10X—C11X—C12X | 120.0 |
N1—C6—C5 | 130.0 (2) | C10X—C11X—H11B | 120.0 |
N1—C7—N2 | 113.1 (3) | C12X—C11X—H11B | 120.0 |
N1—C7—C8 | 129.6 (2) | C13X—C12X—C11X | 120.0 |
N2—C7—C8 | 117.3 (3) | C13X—C12X—H12B | 120.0 |
C9—C8—C13 | 120.7 (2) | C11X—C12X—H12B | 120.0 |
C9—C8—C7 | 122.0 (3) | C12X—C13X—C8X | 120.0 |
C13—C8—C7 | 117.2 (3) | C12X—C13X—N3X | 119.4 (10) |
C10—C9—C8 | 120.0 (2) | C8X—C13X—N3X | 119.9 (10) |
C10—C9—H9A | 120.0 | C15—C14X—N3X | 117 (3) |
C8—C9—H9A | 120.0 | C15—C14X—N2X | 122 (2) |
C9—C10—C11 | 119.3 (2) | N3X—C14X—N2X | 99.5 (18) |
C9—C10—H10A | 120.4 | C15—C14X—H14A | 105.7 |
C11—C10—H10A | 120.4 | N3X—C14X—H14A | 105.7 |
C12—C11—C10 | 121.2 (2) | N2X—C14X—H14A | 105.7 |
C12—C11—H11A | 119.4 | C14X—C15—C20 | 124.4 (14) |
C10—C11—H11A | 119.4 | C14X—C15—C16 | 116.5 (15) |
C11—C12—C13 | 120.0 (3) | C20—C15—C16 | 119.00 (12) |
C11—C12—H12A | 120.0 | C20—C15—C14 | 123.2 (2) |
C13—C12—H12A | 120.0 | C16—C15—C14 | 117.7 (2) |
N3—C13—C8 | 119.5 (2) | C17—C16—C15 | 121.20 (12) |
N3—C13—C12 | 121.6 (3) | C17—C16—H16A | 119.4 |
C8—C13—C12 | 118.7 (2) | C15—C16—H16A | 119.4 |
N3—C14—N2 | 106.2 (3) | O1—C17—C16 | 118.95 (12) |
N3—C14—C15 | 113.9 (3) | O1—C17—C18 | 121.86 (12) |
N2—C14—C15 | 112.1 (3) | C16—C17—C18 | 119.18 (12) |
N3—C14—H14B | 108.2 | O2—C18—C19 | 126.10 (12) |
N2—C14—H14B | 108.2 | O2—C18—C17 | 114.18 (11) |
C15—C14—H14B | 108.2 | C19—C18—C17 | 119.71 (12) |
C7X—N1X—C6X | 100.1 (14) | C18—C19—C20 | 120.41 (13) |
C7X—N2X—C1X | 106.5 (13) | C18—C19—H19A | 119.8 |
C7X—N2X—C14X | 123.9 (19) | C20—C19—H19A | 119.8 |
C1X—N2X—C14X | 125.9 (15) | C15—C20—C19 | 120.48 (13) |
C13X—N3X—C14X | 118.6 (14) | C15—C20—H20A | 119.8 |
C13X—N3X—H3XB | 120.7 | C19—C20—H20A | 119.8 |
C14X—N3X—H3XB | 120.7 | O2—C21—H21A | 109.5 |
N2X—C1X—C2X | 133.2 (10) | O2—C21—H21B | 109.5 |
N2X—C1X—C6X | 106.8 (10) | H21A—C21—H21B | 109.5 |
C2X—C1X—C6X | 120.0 | O2—C21—H21C | 109.5 |
C3X—C2X—C1X | 120.0 | H21A—C21—H21C | 109.5 |
C3X—C2X—H2XA | 120.0 | H21B—C21—H21C | 109.5 |
C7—N2—C1—C2 | −179.3 (4) | N2X—C1X—C6X—C5X | 179.3 (9) |
C14—N2—C1—C2 | −4.0 (4) | C2X—C1X—C6X—C5X | 0.0 |
C7—N2—C1—C6 | 1.7 (4) | C1X—N2X—C7X—N1X | 0 (4) |
C14—N2—C1—C6 | 176.9 (2) | C14X—N2X—C7X—N1X | 159 (2) |
N2—C1—C2—C3 | −178.3 (2) | C1X—N2X—C7X—C8X | 177 (3) |
C6—C1—C2—C3 | 0.6 (3) | C14X—N2X—C7X—C8X | −24 (5) |
C1—C2—C3—C4 | 1.2 (4) | C6X—N1X—C7X—N2X | −1 (4) |
C2—C3—C4—C5 | −1.6 (4) | C6X—N1X—C7X—C8X | −178 (2) |
C3—C4—C5—C6 | 0.0 (4) | N2X—C7X—C8X—C9X | −177 (2) |
N2—C1—C6—N1 | −1.64 (19) | N1X—C7X—C8X—C9X | 0 (4) |
C2—C1—C6—N1 | 179.22 (17) | N2X—C7X—C8X—C13X | 0 (4) |
N2—C1—C6—C5 | 176.98 (18) | N1X—C7X—C8X—C13X | 177 (2) |
C2—C1—C6—C5 | −2.2 (3) | C13X—C8X—C9X—C10X | 0.0 |
C7—N1—C6—C1 | 0.9 (4) | C7X—C8X—C9X—C10X | 177 (2) |
C7—N1—C6—C5 | −177.5 (4) | C8X—C9X—C10X—C11X | 0.0 |
C4—C5—C6—C1 | 1.8 (3) | C9X—C10X—C11X—C12X | 0.0 |
C4—C5—C6—N1 | −179.9 (2) | C10X—C11X—C12X—C13X | 0.0 |
C6—N1—C7—N2 | 0.2 (6) | C11X—C12X—C13X—C8X | 0.0 |
C6—N1—C7—C8 | 178.9 (6) | C11X—C12X—C13X—N3X | −170.7 (9) |
C1—N2—C7—N1 | −1.2 (6) | C9X—C8X—C13X—C12X | 0.0 |
C14—N2—C7—N1 | −176.7 (3) | C7X—C8X—C13X—C12X | −177.5 (19) |
C1—N2—C7—C8 | 179.9 (4) | C9X—C8X—C13X—N3X | 170.6 (9) |
C14—N2—C7—C8 | 4.5 (7) | C7X—C8X—C13X—N3X | −6.9 (19) |
N1—C7—C8—C9 | 12.1 (9) | C14X—N3X—C13X—C12X | −152.5 (15) |
N2—C7—C8—C9 | −169.3 (4) | C14X—N3X—C13X—C8X | 36.8 (17) |
N1—C7—C8—C13 | −165.5 (5) | C13X—N3X—C14X—C15 | 83 (3) |
N2—C7—C8—C13 | 13.1 (7) | C13X—N3X—C14X—N2X | −50 (2) |
C13—C8—C9—C10 | 0.8 (3) | C7X—N2X—C14X—C15 | −85 (4) |
C7—C8—C9—C10 | −176.7 (4) | C1X—N2X—C14X—C15 | 70 (3) |
C8—C9—C10—C11 | 0.9 (4) | C7X—N2X—C14X—N3X | 46 (3) |
C9—C10—C11—C12 | −1.2 (4) | C1X—N2X—C14X—N3X | −159.1 (12) |
C10—C11—C12—C13 | −0.2 (4) | N3X—C14X—C15—C20 | −109 (2) |
C14—N3—C13—C8 | −31.8 (3) | N2X—C14X—C15—C20 | 14 (4) |
C14—N3—C13—C12 | 152.8 (2) | N3X—C14X—C15—C16 | 75 (3) |
C9—C8—C13—N3 | −177.67 (18) | N2X—C14X—C15—C16 | −162.1 (19) |
C7—C8—C13—N3 | 0.0 (4) | N3X—C14X—C15—C14 | −60 (53) |
C9—C8—C13—C12 | −2.2 (3) | N2X—C14X—C15—C14 | 62 (52) |
C7—C8—C13—C12 | 175.5 (4) | N3—C14—C15—C14X | −46 (54) |
C11—C12—C13—N3 | 177.2 (2) | N2—C14—C15—C14X | −166 (54) |
C11—C12—C13—C8 | 1.9 (3) | N3—C14—C15—C20 | 86.7 (3) |
C13—N3—C14—N2 | 44.5 (3) | N2—C14—C15—C20 | −33.8 (4) |
C13—N3—C14—C15 | −79.3 (3) | N3—C14—C15—C16 | −90.8 (3) |
C1—N2—C14—N3 | 154.53 (19) | N2—C14—C15—C16 | 148.6 (2) |
C7—N2—C14—N3 | −31.0 (5) | C14X—C15—C16—C17 | 174.9 (19) |
C1—N2—C14—C15 | −80.6 (3) | C20—C15—C16—C17 | −1.3 (2) |
C7—N2—C14—C15 | 93.9 (5) | C14—C15—C16—C17 | 176.3 (2) |
C7X—N2X—C1X—C2X | −179 (2) | C15—C16—C17—O1 | −178.56 (13) |
C14X—N2X—C1X—C2X | 22 (2) | C15—C16—C17—C18 | 0.3 (2) |
C7X—N2X—C1X—C6X | 1 (2) | C21—O2—C18—C19 | 1.7 (2) |
C14X—N2X—C1X—C6X | −157.3 (16) | C21—O2—C18—C17 | −179.45 (14) |
N2X—C1X—C2X—C3X | −179.1 (11) | O1—C17—C18—O2 | 0.5 (2) |
C6X—C1X—C2X—C3X | 0.0 | C16—C17—C18—O2 | −178.36 (12) |
C1X—C2X—C3X—C4X | 0.0 | O1—C17—C18—C19 | 179.39 (15) |
C2X—C3X—C4X—C5X | 0.0 | C16—C17—C18—C19 | 0.5 (2) |
C3X—C4X—C5X—C6X | 0.0 | O2—C18—C19—C20 | 178.31 (15) |
C7X—N1X—C6X—C5X | −179.8 (19) | C17—C18—C19—C20 | −0.4 (2) |
C7X—N1X—C6X—C1X | 2 (2) | C14X—C15—C20—C19 | −175 (2) |
C4X—C5X—C6X—N1X | −178.1 (11) | C16—C15—C20—C19 | 1.4 (2) |
C4X—C5X—C6X—C1X | 0.0 | C14—C15—C20—C19 | −176.1 (2) |
N2X—C1X—C6X—N1X | −2.2 (8) | C18—C19—C20—C15 | −0.5 (3) |
C2X—C1X—C6X—N1X | 178.5 (9) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1O1···O2 | 0.80 (3) | 2.25 (3) | 2.6706 (16) | 112 (3) |
O1—H1O1···N1i | 0.80 (3) | 1.98 (3) | 2.703 (2) | 150 (3) |
O1—H1O1···N1Xi | 0.80 (3) | 2.18 (3) | 2.873 (9) | 145 (3) |
Symmetry code: (i) x+1/2, −y+3/2, z−1/2. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1O1···O2 | 0.80 (3) | 2.25 (3) | 2.6706 (16) | 112 (3) |
O1—H1O1···N1i | 0.80 (3) | 1.98 (3) | 2.703 (2) | 150 (3) |
O1—H1O1···N1Xi | 0.80 (3) | 2.18 (3) | 2.873 (9) | 145 (3) |
Symmetry code: (i) x+1/2, −y+3/2, z−1/2. |
Acknowledgements
The research was supported financially by the RU grant 1001/PKIMIA/811269 from University Sains Malaysia. The authors wish to thank The World Academy of Science (TWAS) for a scholarship to MdAA.
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