| Literature DB >> 21581409 |
Zainal Abidin Fairuz1, Zaharah Aiyub, Zanariah Abdullah, Seik Weng Ng.
Abstract
There are two mol-ecules in the asymmetric unit of the title compound, C(12)H(12)N(2), with dihedral angles between the aromatic rings of 48.35 (12) and 51.02 (12)°. In the crystal structure, both mol-ecules form inversion dimers, linked by pairs of N-H⋯N hydrogen bonds.Entities:
Year: 2008 PMID: 21581409 PMCID: PMC2960016 DOI: 10.1107/S1600536808037306
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C12H12N2 | |
| Monoclinic, | Mo |
| Hall symbol: -P 2ybc | Cell parameters from 1819 reflections |
| θ = 2.2–24.4º | |
| µ = 0.07 mm−1 | |
| β = 95.364 (2)º | Prism, colorless |
| 0.30 × 0.10 × 0.05 mm | |
| Bruker SMART APEX diffractometer | 2774 reflections with |
| Radiation source: fine-focus sealed tube | |
| Monochromator: graphite | θmax = 27.5º |
| θmin = 1.1º | |
| ω scans | |
| Absorption correction: None | |
| 18430 measured reflections | |
| 4676 independent reflections |
| Refinement on | Secondary atom site location: difference Fourier map |
| Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
| H atoms treated by a mixture of independent and constrained refinement | |
| | |
| (Δ/σ)max = 0.001 | |
| 4676 reflections | Δρmax = 0.64 e Å−3 |
| 263 parameters | Δρmin = −0.31 e Å−3 |
| 2 restraints | Extinction correction: none |
| Primary atom site location: structure-invariant direct methods |
| N1 | 0.09908 (12) | 0.46043 (18) | 0.0668 (2) | 0.0267 (5) | |
| N2 | −0.01070 (12) | 0.37392 (18) | 0.11163 (19) | 0.0279 (5) | |
| N3 | 0.40746 (13) | 0.5526 (2) | 0.5578 (2) | 0.0350 (6) | |
| N4 | 0.52478 (13) | 0.60957 (18) | 0.62565 (19) | 0.0317 (5) | |
| C1 | 0.17505 (14) | 0.4657 (2) | 0.0530 (2) | 0.0258 (5) | |
| C2 | 0.21791 (14) | 0.3582 (2) | 0.0393 (2) | 0.0293 (6) | |
| H2 | 0.1962 | 0.2766 | 0.0418 | 0.035* | |
| C3 | 0.29141 (14) | 0.3698 (3) | 0.0221 (3) | 0.0337 (6) | |
| H3 | 0.3198 | 0.2954 | 0.0138 | 0.040* | |
| C4 | 0.32560 (15) | 0.4877 (3) | 0.0164 (3) | 0.0334 (6) | |
| C5 | 0.28179 (15) | 0.5943 (2) | 0.0269 (3) | 0.0340 (6) | |
| H5 | 0.3031 | 0.6759 | 0.0208 | 0.041* | |
| C6 | 0.20817 (15) | 0.5841 (2) | 0.0460 (2) | 0.0312 (6) | |
| H0 | 0.1798 | 0.6585 | 0.0543 | 0.037* | |
| C7 | 0.40666 (16) | 0.4993 (3) | 0.0012 (3) | 0.0419 (7) | |
| H7A | 0.4166 | 0.5822 | −0.0350 | 0.063* | |
| H7B | 0.4213 | 0.4325 | −0.0555 | 0.063* | |
| H7C | 0.4348 | 0.4907 | 0.0841 | 0.063* | |
| C8 | 0.06324 (14) | 0.3732 (2) | 0.1354 (2) | 0.0269 (6) | |
| C9 | 0.09904 (15) | 0.2931 (2) | 0.2268 (2) | 0.0311 (6) | |
| H9 | 0.1512 | 0.2944 | 0.2431 | 0.037* | |
| C10 | 0.05715 (17) | 0.2127 (2) | 0.2923 (3) | 0.0371 (7) | |
| H10 | 0.0804 | 0.1573 | 0.3544 | 0.045* | |
| C11 | −0.01855 (16) | 0.2121 (2) | 0.2684 (3) | 0.0377 (7) | |
| H11 | −0.0482 | 0.1566 | 0.3126 | 0.045* | |
| C12 | −0.04948 (16) | 0.2946 (2) | 0.1783 (3) | 0.0340 (6) | |
| H12 | −0.1016 | 0.2955 | 0.1624 | 0.041* | |
| C13 | 0.32986 (15) | 0.5449 (2) | 0.5522 (3) | 0.0324 (6) | |
| C14 | 0.29295 (16) | 0.5298 (3) | 0.6599 (3) | 0.0377 (7) | |
| H14 | 0.3199 | 0.5265 | 0.7410 | 0.045* | |
| C15 | 0.21749 (16) | 0.5196 (3) | 0.6495 (3) | 0.0379 (7) | |
| H15 | 0.1931 | 0.5108 | 0.7244 | 0.045* | |
| C16 | 0.17531 (15) | 0.5217 (2) | 0.5326 (3) | 0.0342 (6) | |
| C17 | 0.21226 (16) | 0.5333 (2) | 0.4247 (3) | 0.0343 (6) | |
| H17 | 0.1853 | 0.5331 | 0.3436 | 0.041* | |
| C18 | 0.28849 (16) | 0.5451 (2) | 0.4344 (3) | 0.0357 (7) | |
| H18 | 0.3129 | 0.5536 | 0.3595 | 0.043* | |
| C19 | 0.09289 (16) | 0.5105 (3) | 0.5244 (3) | 0.0446 (7) | |
| H19A | 0.0753 | 0.4663 | 0.4461 | 0.067* | |
| H19B | 0.0710 | 0.5951 | 0.5244 | 0.067* | |
| H19C | 0.0786 | 0.4626 | 0.5975 | 0.067* | |
| C20 | 0.45389 (16) | 0.6270 (2) | 0.6362 (2) | 0.0318 (6) | |
| C21 | 0.42898 (18) | 0.7175 (2) | 0.7187 (3) | 0.0388 (7) | |
| H21 | 0.3779 | 0.7288 | 0.7261 | 0.047* | |
| C22 | 0.48103 (17) | 0.7898 (2) | 0.7891 (3) | 0.0391 (7) | |
| H22 | 0.4653 | 0.8516 | 0.8458 | 0.047* | |
| C23 | 0.55493 (18) | 0.7741 (2) | 0.7787 (3) | 0.0412 (7) | |
| H23 | 0.5908 | 0.8242 | 0.8264 | 0.049* | |
| C24 | 0.57493 (18) | 0.6821 (2) | 0.6957 (3) | 0.0404 (7) | |
| H24 | 0.6258 | 0.6690 | 0.6874 | 0.049* | |
| H1N | 0.0699 (14) | 0.510 (2) | 0.017 (2) | 0.047 (9)* | |
| H3N | 0.4165 (16) | 0.495 (2) | 0.498 (2) | 0.045 (9)* |
| N1 | 0.0326 (12) | 0.0186 (10) | 0.0293 (12) | 0.0017 (9) | 0.0053 (9) | 0.0041 (8) |
| N2 | 0.0344 (12) | 0.0213 (10) | 0.0291 (12) | 0.0011 (9) | 0.0080 (9) | 0.0022 (8) |
| N3 | 0.0438 (14) | 0.0293 (12) | 0.0327 (13) | −0.0009 (10) | 0.0075 (11) | −0.0068 (10) |
| N4 | 0.0537 (15) | 0.0173 (10) | 0.0240 (11) | −0.0013 (10) | 0.0032 (10) | −0.0002 (8) |
| C1 | 0.0341 (14) | 0.0227 (12) | 0.0206 (12) | −0.0018 (10) | 0.0022 (10) | −0.0012 (9) |
| C2 | 0.0361 (15) | 0.0211 (12) | 0.0302 (14) | −0.0005 (11) | 0.0012 (11) | −0.0006 (10) |
| C3 | 0.0340 (15) | 0.0325 (14) | 0.0342 (15) | 0.0038 (12) | 0.0006 (12) | 0.0000 (11) |
| C4 | 0.0347 (15) | 0.0372 (15) | 0.0279 (14) | −0.0031 (12) | 0.0015 (11) | 0.0026 (11) |
| C5 | 0.0437 (17) | 0.0266 (13) | 0.0316 (15) | −0.0074 (12) | 0.0022 (12) | 0.0034 (11) |
| C6 | 0.0413 (16) | 0.0220 (12) | 0.0306 (14) | −0.0002 (11) | 0.0043 (12) | 0.0015 (10) |
| C7 | 0.0378 (17) | 0.0472 (17) | 0.0410 (17) | −0.0038 (13) | 0.0053 (13) | 0.0045 (13) |
| C8 | 0.0414 (15) | 0.0165 (11) | 0.0237 (13) | −0.0001 (10) | 0.0077 (11) | −0.0019 (9) |
| C9 | 0.0399 (16) | 0.0256 (13) | 0.0273 (14) | −0.0003 (11) | 0.0009 (11) | 0.0009 (10) |
| C10 | 0.0548 (19) | 0.0287 (14) | 0.0280 (15) | −0.0006 (13) | 0.0046 (13) | 0.0070 (11) |
| C11 | 0.0512 (18) | 0.0289 (14) | 0.0342 (16) | −0.0050 (13) | 0.0112 (13) | 0.0072 (11) |
| C12 | 0.0413 (16) | 0.0302 (14) | 0.0320 (15) | −0.0034 (12) | 0.0103 (12) | 0.0034 (11) |
| C13 | 0.0402 (16) | 0.0240 (13) | 0.0331 (15) | 0.0023 (11) | 0.0033 (12) | −0.0010 (11) |
| C14 | 0.0434 (17) | 0.0361 (15) | 0.0338 (15) | 0.0017 (13) | 0.0043 (13) | 0.0060 (12) |
| C15 | 0.0438 (17) | 0.0321 (14) | 0.0383 (16) | 0.0028 (12) | 0.0069 (13) | 0.0044 (12) |
| C16 | 0.0366 (16) | 0.0218 (12) | 0.0449 (17) | 0.0031 (11) | 0.0083 (13) | −0.0004 (11) |
| C17 | 0.0455 (17) | 0.0228 (13) | 0.0350 (15) | 0.0008 (12) | 0.0056 (12) | 0.0003 (11) |
| C18 | 0.0477 (17) | 0.0266 (14) | 0.0343 (15) | −0.0010 (12) | 0.0112 (13) | −0.0005 (11) |
| C19 | 0.0379 (17) | 0.0482 (18) | 0.0481 (19) | 0.0053 (14) | 0.0067 (14) | 0.0015 (14) |
| C20 | 0.0491 (17) | 0.0213 (12) | 0.0253 (14) | −0.0014 (11) | 0.0044 (12) | 0.0031 (10) |
| C21 | 0.0591 (19) | 0.0267 (14) | 0.0309 (15) | −0.0007 (13) | 0.0052 (13) | −0.0021 (11) |
| C22 | 0.065 (2) | 0.0221 (13) | 0.0298 (15) | 0.0027 (13) | 0.0000 (14) | −0.0040 (11) |
| C23 | 0.069 (2) | 0.0218 (13) | 0.0313 (16) | 0.0038 (13) | −0.0040 (14) | −0.0044 (11) |
| C24 | 0.0553 (19) | 0.0253 (13) | 0.0404 (17) | 0.0010 (13) | 0.0025 (14) | −0.0005 (12) |
| N1—C8 | 1.376 (3) | C10—C11 | 1.379 (4) |
| N1—C1 | 1.407 (3) | C10—H10 | 0.9500 |
| N1—H1N | 0.884 (10) | C11—C12 | 1.375 (4) |
| N2—C12 | 1.340 (3) | C11—H11 | 0.9500 |
| N2—C8 | 1.348 (3) | C12—H12 | 0.9500 |
| N3—C20 | 1.376 (3) | C13—C14 | 1.388 (4) |
| N3—C13 | 1.412 (3) | C13—C18 | 1.398 (4) |
| N3—H3N | 0.911 (10) | C14—C15 | 1.374 (4) |
| N4—C20 | 1.320 (3) | C14—H14 | 0.9500 |
| N4—C24 | 1.359 (3) | C15—C16 | 1.396 (4) |
| C1—C2 | 1.393 (3) | C15—H15 | 0.9500 |
| C1—C6 | 1.395 (3) | C16—C17 | 1.385 (4) |
| C2—C3 | 1.374 (4) | C16—C19 | 1.501 (4) |
| C2—H2 | 0.9500 | C17—C18 | 1.389 (4) |
| C3—C4 | 1.397 (4) | C17—H17 | 0.9500 |
| C3—H3 | 0.9500 | C18—H18 | 0.9500 |
| C4—C5 | 1.391 (4) | C19—H19A | 0.9800 |
| C4—C7 | 1.506 (4) | C19—H19B | 0.9800 |
| C5—C6 | 1.380 (4) | C19—H19C | 0.9800 |
| C5—H5 | 0.9500 | C20—C21 | 1.400 (4) |
| C6—H0 | 0.9500 | C21—C22 | 1.381 (4) |
| C7—H7A | 0.9800 | C21—H21 | 0.9500 |
| C7—H7B | 0.9800 | C22—C23 | 1.372 (4) |
| C7—H7C | 0.9800 | C22—H22 | 0.9500 |
| C8—C9 | 1.400 (3) | C23—C24 | 1.382 (4) |
| C9—C10 | 1.374 (4) | C23—H23 | 0.9500 |
| C9—H9 | 0.9500 | C24—H24 | 0.9500 |
| C8—N1—C1 | 127.0 (2) | C10—C11—H11 | 121.2 |
| C8—N1—H1N | 115 (2) | N2—C12—C11 | 124.1 (3) |
| C1—N1—H1N | 117 (2) | N2—C12—H12 | 117.9 |
| C12—N2—C8 | 117.7 (2) | C11—C12—H12 | 117.9 |
| C20—N3—C13 | 128.0 (2) | C14—C13—C18 | 118.2 (3) |
| C20—N3—H3N | 131.8 (19) | C14—C13—N3 | 122.2 (3) |
| C13—N3—H3N | 100.2 (19) | C18—C13—N3 | 119.5 (2) |
| C20—N4—C24 | 119.2 (2) | C15—C14—C13 | 120.1 (3) |
| C2—C1—C6 | 118.4 (2) | C15—C14—H14 | 119.9 |
| C2—C1—N1 | 123.1 (2) | C13—C14—H14 | 119.9 |
| C6—C1—N1 | 118.4 (2) | C14—C15—C16 | 122.3 (3) |
| C3—C2—C1 | 120.3 (2) | C14—C15—H15 | 118.8 |
| C3—C2—H2 | 119.9 | C16—C15—H15 | 118.8 |
| C1—C2—H2 | 119.9 | C17—C16—C15 | 117.7 (3) |
| C2—C3—C4 | 122.0 (2) | C17—C16—C19 | 121.4 (3) |
| C2—C3—H3 | 119.0 | C15—C16—C19 | 121.0 (3) |
| C4—C3—H3 | 119.0 | C16—C17—C18 | 120.5 (3) |
| C5—C4—C3 | 117.2 (2) | C16—C17—H17 | 119.8 |
| C5—C4—C7 | 121.3 (2) | C18—C17—H17 | 119.8 |
| C3—C4—C7 | 121.5 (3) | C17—C18—C13 | 121.2 (3) |
| C6—C5—C4 | 121.5 (2) | C17—C18—H18 | 119.4 |
| C6—C5—H5 | 119.3 | C13—C18—H18 | 119.4 |
| C4—C5—H5 | 119.3 | C16—C19—H19A | 109.5 |
| C5—C6—C1 | 120.6 (2) | C16—C19—H19B | 109.5 |
| C5—C6—H0 | 119.7 | H19A—C19—H19B | 109.5 |
| C1—C6—H0 | 119.7 | C16—C19—H19C | 109.5 |
| C4—C7—H7A | 109.5 | H19A—C19—H19C | 109.5 |
| C4—C7—H7B | 109.5 | H19B—C19—H19C | 109.5 |
| H7A—C7—H7B | 109.5 | N4—C20—N3 | 114.9 (2) |
| C4—C7—H7C | 109.5 | N4—C20—C21 | 121.7 (3) |
| H7A—C7—H7C | 109.5 | N3—C20—C21 | 123.4 (3) |
| H7B—C7—H7C | 109.5 | C22—C21—C20 | 118.0 (3) |
| N2—C8—N1 | 114.4 (2) | C22—C21—H21 | 121.0 |
| N2—C8—C9 | 121.7 (2) | C20—C21—H21 | 121.0 |
| N1—C8—C9 | 123.8 (2) | C23—C22—C21 | 121.3 (3) |
| C10—C9—C8 | 118.6 (3) | C23—C22—H22 | 119.4 |
| C10—C9—H9 | 120.7 | C21—C22—H22 | 119.4 |
| C8—C9—H9 | 120.7 | C22—C23—C24 | 117.1 (3) |
| C9—C10—C11 | 120.3 (3) | C22—C23—H23 | 121.4 |
| C9—C10—H10 | 119.9 | C24—C23—H23 | 121.4 |
| C11—C10—H10 | 119.9 | N4—C24—C23 | 122.7 (3) |
| C12—C11—C10 | 117.6 (2) | N4—C24—H24 | 118.7 |
| C12—C11—H11 | 121.2 | C23—C24—H24 | 118.7 |
| C8—N1—C1—C2 | 39.0 (4) | C20—N3—C13—C14 | −48.6 (4) |
| C8—N1—C1—C6 | −144.6 (2) | C20—N3—C13—C18 | 135.1 (3) |
| C6—C1—C2—C3 | 1.5 (4) | C18—C13—C14—C15 | −2.0 (4) |
| N1—C1—C2—C3 | 177.9 (2) | N3—C13—C14—C15 | −178.4 (2) |
| C1—C2—C3—C4 | −0.7 (4) | C13—C14—C15—C16 | 1.1 (4) |
| C2—C3—C4—C5 | −1.0 (4) | C14—C15—C16—C17 | 0.7 (4) |
| C2—C3—C4—C7 | 178.3 (2) | C14—C15—C16—C19 | −179.9 (3) |
| C3—C4—C5—C6 | 1.9 (4) | C15—C16—C17—C18 | −1.4 (4) |
| C7—C4—C5—C6 | −177.4 (2) | C19—C16—C17—C18 | 179.2 (2) |
| C4—C5—C6—C1 | −1.1 (4) | C16—C17—C18—C13 | 0.4 (4) |
| C2—C1—C6—C5 | −0.6 (4) | C14—C13—C18—C17 | 1.3 (4) |
| N1—C1—C6—C5 | −177.2 (2) | N3—C13—C18—C17 | 177.8 (2) |
| C12—N2—C8—N1 | −177.6 (2) | C24—N4—C20—N3 | 177.5 (2) |
| C12—N2—C8—C9 | −0.2 (3) | C24—N4—C20—C21 | −0.7 (4) |
| C1—N1—C8—N2 | −166.9 (2) | C13—N3—C20—N4 | 176.3 (2) |
| C1—N1—C8—C9 | 15.8 (4) | C13—N3—C20—C21 | −5.5 (4) |
| N2—C8—C9—C10 | 0.7 (4) | N4—C20—C21—C22 | 0.5 (4) |
| N1—C8—C9—C10 | 177.8 (2) | N3—C20—C21—C22 | −177.5 (2) |
| C8—C9—C10—C11 | −0.3 (4) | C20—C21—C22—C23 | 0.1 (4) |
| C9—C10—C11—C12 | −0.4 (4) | C21—C22—C23—C24 | −0.6 (4) |
| C8—N2—C12—C11 | −0.6 (4) | C20—N4—C24—C23 | 0.2 (4) |
| C10—C11—C12—N2 | 0.9 (4) | C22—C23—C24—N4 | 0.5 (4) |
| H··· | ||||
| N1—H1n···N2i | 0.88 (1) | 2.06 (1) | 2.944 (3) | 174 (3) |
| N3—H3n···N4ii | 0.91 (1) | 2.08 (2) | 2.949 (3) | 159 (3) |
Hydrogen-bond geometry (Å, °)
| H⋯ | ||||
|---|---|---|---|---|
| N1—H1n⋯N2i | 0.88 (1) | 2.06 (1) | 2.944 (3) | 174 (3) |
| N3—H3n⋯N4ii | 0.91 (1) | 2.08 (2) | 2.949 (3) | 159 (3) |
Symmetry codes: (i) ; (ii) .