| Literature DB >> 21200778 |
Clarissa P Frizzo1, Patrick T Campos, Mara R B Marzari, Pablo Machado, Marcos A P Martins.
Abstract
In the title compound, C(15)H(12)F(3)N(3), the pyrazolo[1,5-a]pyrimidine system ring is essentially planar with a maximum deviation from the mean plane of 0.014 (1) Å. The 4-tolyl group makes a dihedral angle of 14.1 (1)° with the pyrazolo[1,5-a]pyrimidine ring system. The crystal packing is stabilized mainly by van der Waals forces.Entities:
Year: 2007 PMID: 21200778 PMCID: PMC2915273 DOI: 10.1107/S1600536807064318
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C15H12F3N3 | |
| Triclinic, | |
| Hall symbol: -P 1 | Melting point = 415–416 K |
| Mo | |
| Cell parameters from 150 reflections | |
| θ = 3.0–24.6º | |
| α = 110.225 (3)º | µ = 0.12 mm−1 |
| β = 96.808 (3)º | |
| γ = 99.835 (3)º | Block, yellow |
| 0.98 × 0.21 × 0.20 mm |
| X8 APEXII diffractometer | 2200 reflections with |
| Monochromator: graphite | |
| θmax = 29.7º | |
| φ and ω scans | θmin = 1.6º |
| Absorption correction: multi-scan(XPREP; Bruker, 2006) | |
| 16787 measured reflections | |
| 3757 independent reflections |
| Refinement on | Secondary atom site location: difference Fourier map |
| Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
| H-atom parameters constrained | |
| | |
| (Δ/σ)max < 0.001 | |
| 3757 reflections | Δρmax = 0.40 e Å−3 |
| 190 parameters | Δρmin = −0.45 e Å−3 |
| Primary atom site location: structure-invariant direct methods | Extinction correction: none |
| 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 |
| N4 | −0.1395 (3) | 0.64063 (13) | 0.15766 (10) | 0.0437 (4) | |
| C51 | 0.2301 (3) | 0.60519 (16) | 0.27094 (13) | 0.0434 (4) | |
| C5 | 0.0595 (3) | 0.69036 (16) | 0.24463 (12) | 0.0427 (4) | |
| N1A | −0.2415 (3) | 0.85107 (14) | 0.19699 (11) | 0.0475 (4) | |
| C3A | −0.2918 (3) | 0.71919 (16) | 0.13244 (13) | 0.0443 (4) | |
| C7 | −0.0385 (4) | 0.90322 (17) | 0.28737 (15) | 0.0517 (4) | |
| N1 | −0.4126 (3) | 0.91420 (15) | 0.15720 (13) | 0.0560 (4) | |
| C6 | 0.1130 (4) | 0.82475 (17) | 0.31325 (14) | 0.0501 (4) | |
| H6 | 0.2514 | 0.8577 | 0.3753 | 0.06* | |
| C56 | 0.2277 (4) | 0.48484 (18) | 0.19505 (14) | 0.0526 (5) | |
| H56 | 0.1165 | 0.4575 | 0.1271 | 0.063* | |
| C55 | 0.3880 (4) | 0.40510 (18) | 0.21898 (15) | 0.0571 (5) | |
| H55 | 0.381 | 0.3245 | 0.1668 | 0.069* | |
| C52 | 0.4029 (4) | 0.64261 (19) | 0.37085 (15) | 0.0584 (5) | |
| H52 | 0.4097 | 0.723 | 0.4233 | 0.07* | |
| C54 | 0.5592 (4) | 0.44182 (19) | 0.31862 (15) | 0.0539 (5) | |
| C3 | −0.5081 (4) | 0.69986 (19) | 0.04969 (15) | 0.0514 (4) | |
| H3 | −0.5939 | 0.622 | −0.0068 | 0.062* | |
| C2 | −0.5725 (4) | 0.81980 (18) | 0.06756 (15) | 0.0522 (5) | |
| C53 | 0.5645 (5) | 0.5626 (2) | 0.39352 (16) | 0.0631 (5) | |
| H53 | 0.6796 | 0.5906 | 0.4608 | 0.076* | |
| C8 | 0.7329 (5) | 0.3537 (2) | 0.34284 (18) | 0.0700 (6) | |
| H8A | 0.7031 | 0.2754 | 0.2807 | 0.105* | |
| H8B | 0.6763 | 0.3327 | 0.4014 | 0.105* | |
| H8C | 0.9303 | 0.3967 | 0.3619 | 0.105* | |
| C71 | 0.0064 (5) | 1.0448 (2) | 0.3532 (2) | 0.0714 (6) | |
| C21 | −0.7881 (4) | 0.8562 (2) | 0.00171 (18) | 0.0689 (6) | |
| H21A | −0.7828 | 0.9471 | 0.0353 | 0.103* | |
| H21B | −0.9738 | 0.8064 | −0.0036 | 0.103* | |
| H21C | −0.7457 | 0.8385 | −0.0686 | 0.103* | |
| F3 | −0.2264 (3) | 1.07474 (12) | 0.38784 (11) | 0.0893 (5) | |
| F1 | 0.2076 (3) | 1.07989 (12) | 0.43939 (12) | 0.1008 (6) | |
| F2 | 0.0852 (3) | 1.11914 (12) | 0.29935 (14) | 0.1004 (5) |
| N4 | 0.0444 (8) | 0.0425 (8) | 0.0452 (7) | 0.0121 (6) | 0.0056 (6) | 0.0175 (6) |
| C51 | 0.0427 (9) | 0.0434 (9) | 0.0449 (9) | 0.0114 (7) | 0.0059 (6) | 0.0177 (7) |
| C5 | 0.0430 (9) | 0.0401 (9) | 0.0447 (9) | 0.0100 (6) | 0.0078 (6) | 0.0155 (7) |
| N1A | 0.0449 (8) | 0.0430 (8) | 0.0557 (8) | 0.0131 (6) | 0.0048 (6) | 0.0197 (7) |
| C3A | 0.0449 (9) | 0.0425 (9) | 0.0476 (9) | 0.0113 (7) | 0.0081 (7) | 0.0191 (7) |
| C7 | 0.0478 (10) | 0.0399 (9) | 0.0606 (11) | 0.0105 (7) | 0.0043 (8) | 0.0121 (8) |
| N1 | 0.0507 (9) | 0.0533 (10) | 0.0723 (10) | 0.0189 (7) | 0.0068 (7) | 0.0318 (8) |
| C6 | 0.0472 (10) | 0.0425 (9) | 0.0522 (10) | 0.0106 (7) | −0.0016 (7) | 0.0109 (8) |
| C56 | 0.0583 (11) | 0.0473 (10) | 0.0510 (10) | 0.0183 (8) | 0.0021 (8) | 0.0168 (8) |
| C55 | 0.0628 (12) | 0.0511 (11) | 0.0613 (11) | 0.0257 (9) | 0.0107 (9) | 0.0201 (9) |
| C52 | 0.0654 (12) | 0.0500 (11) | 0.0530 (10) | 0.0179 (9) | −0.0029 (9) | 0.0133 (8) |
| C54 | 0.0471 (10) | 0.0617 (12) | 0.0653 (11) | 0.0200 (8) | 0.0125 (8) | 0.0346 (9) |
| C3 | 0.0495 (10) | 0.0514 (10) | 0.0526 (9) | 0.0108 (7) | 0.0018 (7) | 0.0213 (8) |
| C2 | 0.0453 (9) | 0.0570 (11) | 0.0617 (11) | 0.0134 (8) | 0.0080 (8) | 0.0310 (9) |
| C53 | 0.0654 (12) | 0.0637 (13) | 0.0580 (11) | 0.0204 (9) | −0.0065 (9) | 0.0233 (10) |
| C8 | 0.0662 (13) | 0.0779 (14) | 0.0844 (15) | 0.0355 (11) | 0.0151 (11) | 0.0438 (12) |
| C71 | 0.0619 (13) | 0.0448 (11) | 0.0919 (16) | 0.0169 (9) | −0.0039 (11) | 0.0104 (11) |
| C21 | 0.0577 (12) | 0.0765 (15) | 0.0826 (14) | 0.0196 (10) | 0.0006 (10) | 0.0442 (12) |
| F3 | 0.0826 (10) | 0.0650 (9) | 0.1014 (10) | 0.0344 (7) | 0.0122 (8) | 0.0017 (7) |
| F1 | 0.0906 (11) | 0.0543 (8) | 0.1095 (11) | 0.0197 (7) | −0.0302 (9) | −0.0132 (7) |
| F2 | 0.0970 (11) | 0.0468 (8) | 0.1534 (14) | 0.0113 (7) | 0.0153 (10) | 0.0378 (8) |
| N4—C5 | 1.316 (2) | C52—C53 | 1.379 (3) |
| N4—C3A | 1.351 (2) | C52—H52 | 0.93 |
| C51—C56 | 1.387 (2) | C54—C53 | 1.382 (3) |
| C51—C52 | 1.391 (2) | C54—C8 | 1.502 (3) |
| C51—C5 | 1.475 (2) | C3—C2 | 1.385 (3) |
| C5—C6 | 1.435 (2) | C3—H3 | 0.93 |
| N1A—C7 | 1.357 (2) | C2—C21 | 1.499 (3) |
| N1A—N1 | 1.3609 (19) | C53—H53 | 0.93 |
| N1A—C3A | 1.400 (2) | C8—H8A | 0.96 |
| C3A—C3 | 1.375 (2) | C8—H8B | 0.96 |
| C7—C6 | 1.351 (2) | C8—H8C | 0.96 |
| C7—C71 | 1.496 (3) | C71—F1 | 1.326 (2) |
| N1—C2 | 1.347 (2) | C71—F2 | 1.328 (3) |
| C6—H6 | 0.93 | C71—F3 | 1.330 (3) |
| C56—C55 | 1.380 (2) | C21—H21A | 0.96 |
| C56—H56 | 0.93 | C21—H21B | 0.96 |
| C55—C54 | 1.386 (3) | C21—H21C | 0.96 |
| C55—H55 | 0.93 | ||
| C5—N4—C3A | 118.71 (14) | C53—C54—C8 | 121.90 (18) |
| C56—C51—C52 | 117.46 (16) | C55—C54—C8 | 120.90 (18) |
| C56—C51—C5 | 120.61 (15) | C3A—C3—C2 | 106.06 (16) |
| C52—C51—C5 | 121.91 (15) | C3A—C3—H3 | 127 |
| N4—C5—C6 | 121.31 (15) | C2—C3—H3 | 127 |
| N4—C5—C51 | 118.72 (14) | N1—C2—C3 | 113.05 (16) |
| C6—C5—C51 | 119.96 (15) | N1—C2—C21 | 117.78 (17) |
| C7—N1A—N1 | 127.00 (15) | C3—C2—C21 | 129.17 (17) |
| C7—N1A—C3A | 120.58 (14) | C52—C53—C54 | 121.53 (17) |
| N1—N1A—C3A | 112.42 (14) | C52—C53—H53 | 119.2 |
| N4—C3A—C3 | 133.62 (16) | C54—C53—H53 | 119.2 |
| N4—C3A—N1A | 121.23 (15) | C54—C8—H8A | 109.5 |
| C3—C3A—N1A | 105.15 (15) | C54—C8—H8B | 109.5 |
| C6—C7—N1A | 118.36 (16) | H8A—C8—H8B | 109.5 |
| C6—C7—C71 | 123.34 (17) | C54—C8—H8C | 109.5 |
| N1A—C7—C71 | 118.31 (16) | H8A—C8—H8C | 109.5 |
| C2—N1—N1A | 103.32 (14) | H8B—C8—H8C | 109.5 |
| C7—C6—C5 | 119.78 (16) | F1—C71—F2 | 107.13 (18) |
| C7—C6—H6 | 120.1 | F1—C71—F3 | 106.74 (19) |
| C5—C6—H6 | 120.1 | F2—C71—F3 | 107.32 (18) |
| C55—C56—C51 | 120.88 (17) | F1—C71—C7 | 110.86 (17) |
| C55—C56—H56 | 119.6 | F2—C71—C7 | 112.3 (2) |
| C51—C56—H56 | 119.6 | F3—C71—C7 | 112.17 (18) |
| C56—C55—C54 | 121.77 (17) | C2—C21—H21A | 109.5 |
| C56—C55—H55 | 119.1 | C2—C21—H21B | 109.5 |
| C54—C55—H55 | 119.1 | H21A—C21—H21B | 109.5 |
| C53—C52—C51 | 121.14 (17) | C2—C21—H21C | 109.5 |
| C53—C52—H52 | 119.4 | H21A—C21—H21C | 109.5 |
| C51—C52—H52 | 119.4 | H21B—C21—H21C | 109.5 |
| C53—C54—C55 | 117.20 (17) | ||
| N4—C51—C5—C56 | −14.5 (3) | N4—C51—C5—C52 | 166.90 (16) |