| Literature DB >> 22064444 |
Fuqiang Shi, Li-Hong Zhu, Li Mu, Long Zhang, Ya-Feng Li.
Abstract
In the title compound, C(11)H(9)ClN(4)O(2), the dihedral angle between the aromatic rings is 79.67 (8)°. π-π stacking between centrosymmetrically related pairs of pyrimidine rings occurs along [100] [centroid-centroid separations = 3.4572 (8) and 3.5433 (7) Å].Entities:
Year: 2011 PMID: 22064444 PMCID: PMC3201521 DOI: 10.1107/S1600536811037664
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C11H9ClN4O2 | |
| Triclinic, | |
| Hall symbol: -P 1 | Mo |
| Cell parameters from 500 reflections | |
| θ = 3.4–27.5° | |
| µ = 0.28 mm−1 | |
| α = 73.76 (3)° | |
| β = 86.80 (3)° | Block, colorless |
| γ = 84.21 (3)° | 0.44 × 0.38 × 0.13 mm |
| Rigaku R-AXIS RAPID diffractometer | 2730 independent reflections |
| Radiation source: fine-focus sealed tube | 1742 reflections with |
| graphite | |
| Detector resolution: 10.00 pixels mm-1 | θmax = 27.5°, θmin = 3.4° |
| ω scans | |
| Absorption correction: multi-scan ( | |
| 5925 measured reflections |
| Refinement on | Primary atom site location: structure-invariant direct methods |
| Least-squares matrix: full | Secondary atom site location: difference Fourier map |
| Hydrogen site location: inferred from neighbouring sites | |
| H-atom parameters constrained | |
| 2730 reflections | (Δ/σ)max < 0.001 |
| 164 parameters | Δρmax = 0.25 e Å−3 |
| 0 restraints | Δρmin = −0.19 e Å−3 |
| 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. |
| Refinement. Refinement of |
| Cl1 | 0.27001 (12) | 0.38397 (9) | 0.55435 (6) | 0.0897 (3) | |
| C1 | 0.2612 (3) | 0.1851 (3) | 0.52481 (19) | 0.0585 (5) | |
| C2 | 0.2496 (3) | 0.1772 (2) | 0.40780 (17) | 0.0483 (5) | |
| C3 | 0.2386 (3) | 0.0133 (2) | 0.38625 (17) | 0.0485 (5) | |
| C4 | 0.2470 (3) | −0.1014 (3) | 0.59315 (19) | 0.0655 (6) | |
| H4 | 0.2468 | −0.1895 | 0.6599 | 0.079* | |
| N1 | 0.2346 (3) | −0.1270 (2) | 0.48527 (16) | 0.0600 (5) | |
| N2 | 0.2610 (3) | 0.0465 (3) | 0.62119 (16) | 0.0694 (6) | |
| C5 | 0.2510 (3) | 0.1072 (2) | 0.16239 (18) | 0.0544 (5) | |
| C6 | 0.4329 (4) | 0.1522 (3) | 0.1186 (2) | 0.0716 (7) | |
| H6 | 0.5428 | 0.1063 | 0.1631 | 0.086* | |
| C7 | 0.4528 (5) | 0.2692 (4) | 0.0051 (3) | 0.0954 (9) | |
| H7 | 0.5759 | 0.3000 | −0.0227 | 0.114* | |
| C8 | 0.2935 (6) | 0.3371 (4) | −0.0638 (2) | 0.1037 (11) | |
| H8 | 0.3077 | 0.4122 | −0.1381 | 0.124* | |
| C9 | 0.1135 (6) | 0.2917 (4) | −0.0205 (3) | 0.1034 (11) | |
| H9 | 0.0043 | 0.3376 | −0.0656 | 0.124* | |
| C10 | 0.0897 (4) | 0.1749 (3) | 0.0930 (2) | 0.0817 (8) | |
| H10 | −0.0337 | 0.1445 | 0.1202 | 0.098* | |
| C11 | 0.2102 (5) | −0.1969 (3) | 0.2719 (3) | 0.0965 (10) | |
| H11A | 0.3338 | −0.2570 | 0.2895 | 0.145* | |
| H11B | 0.1728 | −0.1948 | 0.1917 | 0.145* | |
| H11C | 0.1136 | −0.2440 | 0.3307 | 0.145* | |
| N4 | 0.2395 (3) | 0.3422 (2) | 0.31108 (16) | 0.0611 (5) | |
| N3 | 0.2279 (3) | −0.0184 (2) | 0.27815 (15) | 0.0610 (5) | |
| O1 | 0.0799 (3) | 0.4051 (2) | 0.27365 (17) | 0.0885 (6) | |
| O2 | 0.3903 (3) | 0.4091 (2) | 0.27659 (17) | 0.0889 (6) |
| Cl1 | 0.1161 (6) | 0.1002 (6) | 0.0686 (4) | −0.0261 (4) | 0.0009 (4) | −0.0440 (4) |
| C1 | 0.0513 (12) | 0.0778 (15) | 0.0475 (11) | −0.0073 (9) | −0.0013 (9) | −0.0187 (10) |
| C2 | 0.0444 (10) | 0.0555 (12) | 0.0418 (10) | −0.0054 (8) | 0.0014 (8) | −0.0081 (9) |
| C3 | 0.0462 (11) | 0.0536 (12) | 0.0419 (10) | −0.0013 (8) | 0.0020 (8) | −0.0082 (9) |
| C4 | 0.0575 (13) | 0.0777 (16) | 0.0451 (12) | 0.0008 (10) | −0.0005 (9) | 0.0073 (11) |
| N1 | 0.0608 (11) | 0.0606 (11) | 0.0494 (10) | −0.0012 (8) | 0.0025 (8) | −0.0022 (8) |
| N2 | 0.0645 (12) | 0.0960 (15) | 0.0422 (10) | −0.0040 (10) | −0.0054 (8) | −0.0101 (10) |
| C5 | 0.0695 (14) | 0.0575 (12) | 0.0366 (10) | −0.0065 (9) | 0.0008 (9) | −0.0137 (9) |
| C6 | 0.0695 (16) | 0.0932 (18) | 0.0524 (13) | −0.0116 (12) | 0.0033 (11) | −0.0199 (12) |
| C7 | 0.103 (2) | 0.123 (2) | 0.0616 (16) | −0.0383 (18) | 0.0260 (16) | −0.0237 (16) |
| C8 | 0.158 (3) | 0.105 (2) | 0.0433 (14) | −0.033 (2) | 0.0002 (18) | −0.0056 (14) |
| C9 | 0.129 (3) | 0.107 (2) | 0.0651 (17) | −0.0076 (19) | −0.0391 (19) | −0.0022 (16) |
| C10 | 0.0740 (17) | 0.102 (2) | 0.0656 (15) | −0.0096 (13) | −0.0142 (13) | −0.0141 (14) |
| C11 | 0.170 (3) | 0.0617 (16) | 0.0635 (16) | −0.0234 (16) | 0.0113 (17) | −0.0244 (12) |
| N4 | 0.0828 (14) | 0.0553 (11) | 0.0452 (10) | −0.0049 (9) | 0.0051 (9) | −0.0154 (8) |
| N3 | 0.0842 (13) | 0.0542 (11) | 0.0436 (9) | −0.0103 (8) | 0.0035 (8) | −0.0115 (8) |
| O1 | 0.0992 (14) | 0.0837 (13) | 0.0688 (11) | 0.0162 (10) | −0.0197 (10) | −0.0035 (9) |
| O2 | 0.1063 (15) | 0.0742 (12) | 0.0829 (13) | −0.0353 (10) | 0.0259 (11) | −0.0125 (9) |
| Cl1—C1 | 1.905 (2) | C6—H6 | 0.9300 |
| C1—C2 | 1.366 (3) | C7—C8 | 1.375 (5) |
| C1—N2 | 1.408 (3) | C7—H7 | 0.9300 |
| C2—C3 | 1.560 (3) | C8—C9 | 1.368 (4) |
| C2—N4 | 1.573 (3) | C8—H8 | 0.9300 |
| C3—N3 | 1.349 (3) | C9—C10 | 1.431 (4) |
| C3—N1 | 1.436 (2) | C9—H9 | 0.9300 |
| C4—N1 | 1.324 (3) | C10—H10 | 0.9300 |
| C4—N2 | 1.456 (3) | C11—N3 | 1.633 (3) |
| C4—H4 | 0.9300 | C11—H11A | 0.9600 |
| C5—C6 | 1.380 (3) | C11—H11B | 0.9600 |
| C5—C10 | 1.388 (3) | C11—H11C | 0.9600 |
| C5—N3 | 1.488 (3) | N4—O1 | 1.226 (2) |
| C6—C7 | 1.430 (4) | N4—O2 | 1.242 (3) |
| C2—C1—N2 | 119.2 (2) | C6—C7—H7 | 119.4 |
| C2—C1—Cl1 | 119.29 (17) | C9—C8—C7 | 118.4 (2) |
| N2—C1—Cl1 | 121.46 (16) | C9—C8—H8 | 120.8 |
| C1—C2—C3 | 118.29 (17) | C7—C8—H8 | 120.8 |
| C1—C2—N4 | 113.29 (18) | C8—C9—C10 | 121.4 (3) |
| C3—C2—N4 | 128.35 (16) | C8—C9—H9 | 119.3 |
| N3—C3—N1 | 110.90 (18) | C10—C9—H9 | 119.3 |
| N3—C3—C2 | 127.02 (16) | C5—C10—C9 | 120.0 (3) |
| N1—C3—C2 | 122.06 (17) | C5—C10—H10 | 120.0 |
| N1—C4—N2 | 128.60 (19) | C9—C10—H10 | 120.0 |
| N1—C4—H4 | 115.7 | N3—C11—H11A | 109.5 |
| N2—C4—H4 | 115.7 | N3—C11—H11B | 109.5 |
| C4—N1—C3 | 112.86 (19) | H11A—C11—H11B | 109.5 |
| C1—N2—C4 | 118.93 (18) | N3—C11—H11C | 109.5 |
| C6—C5—C10 | 118.8 (2) | H11A—C11—H11C | 109.5 |
| C6—C5—N3 | 121.0 (2) | H11B—C11—H11C | 109.5 |
| C10—C5—N3 | 120.1 (2) | O1—N4—O2 | 120.9 (2) |
| C5—C6—C7 | 120.2 (2) | O1—N4—C2 | 118.81 (18) |
| C5—C6—H6 | 119.9 | O2—N4—C2 | 120.25 (19) |
| C7—C6—H6 | 119.9 | C3—N3—C5 | 120.02 (17) |
| C8—C7—C6 | 121.2 (3) | C3—N3—C11 | 120.80 (17) |
| C8—C7—H7 | 119.4 | C5—N3—C11 | 118.93 (17) |