Home Crystal structure of 1-(5-(4-chlorophenyl)-3-(2-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one, C17H14N2OFCl
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Crystal structure of 1-(5-(4-chlorophenyl)-3-(2-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one, C17H14N2OFCl

  • E. Liu , Zhuang-Yu Li , Fang-Fang Jian EMAIL logo and Tongling Liang
Published/Copyright: September 9, 2019

Abstract

C17H14N2OFCl, triclinic, P1̄ (no. 2), a = 8.2387(19) Å, b = 9.764(2) Å, c = 10.644(3) Å, α = 72.023(4)°, β = 72.770(4)°, γ = 78.581(4)°, V = 772.5(3) Å3, Z = 2, Rgt(F) = 0.0444, wRref(F2) = 0.1099, T = 294.15 K.

CCDC no.: 1948388

The molecular structure is shown in the figure. Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal:Colourless block
Size:0.24 × 0.22 × 0.18 mm
Wavelength:Mo Kα radiation (0.71073 Å)
μ:0.26 mm−1
Diffractometer, scan mode:Enraf-Nonius CAD-4, ω
θmax, completeness:25.0°, 99%
N(hkl)measured, N(hkl)unique, Rint:4480, 2719, 0.024
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 1757
N(param)refined:200
Programs:CAD-4 [1], XCAD4 [2], Olex2 [3]
Table 2:

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).

AtomxyzUiso*/Ueq
Cl11.34455(10)1.11044(8)0.26098(8)0.0903(3)
F10.36321(18)0.76185(18)0.66293(16)0.0881(5)
O11.0005(2)0.68137(19)0.09072(16)0.0704(5)
N10.7716(2)0.5526(2)0.43074(18)0.0506(5)
N20.8347(2)0.64340(19)0.30306(18)0.0524(5)
C10.4290(3)0.6254(3)0.7203(3)0.0636(6)
C20.3515(3)0.5608(4)0.8539(3)0.0748(8)
H20.2589(3)0.6102(4)0.9033(3)0.0898(10)*
C30.4131(4)0.4234(4)0.9120(3)0.0842(9)
H30.3624(4)0.3784(4)1.0022(3)0.1010(11)*
C40.5495(4)0.3505(3)0.8388(3)0.0836(9)
H40.5897(4)0.2558(3)0.8787(3)0.1003(11)*
C50.6266(3)0.4183(3)0.7057(3)0.0669(7)
H50.7206(3)0.3689(3)0.6576(3)0.0802(9)*
C60.5675(3)0.5583(3)0.6417(2)0.0513(6)
C70.6536(3)0.6281(3)0.5002(2)0.0496(6)
C80.6195(3)0.7829(3)0.4217(2)0.0607(7)
H8a0.5097(3)0.8011(3)0.3997(2)0.0729(8)*
H8b0.6219(3)0.8491(3)0.4726(2)0.0729(8)*
C90.7677(3)0.7979(2)0.2916(2)0.0544(6)
H90.7234(3)0.8396(2)0.2102(2)0.0653(7)*
C100.9057(3)0.8818(2)0.2864(2)0.0501(6)
C110.9914(3)0.8396(3)0.3894(2)0.0590(7)
H110.9586(3)0.7619(3)0.4642(2)0.0708(8)*
C121.1234(3)0.9102(3)0.3831(2)0.0599(7)
H121.1794(3)0.8805(3)0.4528(2)0.0718(8)*
C131.1715(3)1.0250(3)0.2726(3)0.0588(6)
C141.0870(4)1.0719(3)0.1710(3)0.0706(8)
H141.1191(4)1.1508(3)0.0972(3)0.0847(9)*
C150.9542(4)1.0006(3)0.1797(2)0.0643(7)
H150.8955(4)1.0336(3)0.1116(2)0.0772(8)*
C160.9535(3)0.5953(3)0.2012(2)0.0535(6)
C171.0209(3)0.4387(3)0.2323(3)0.0652(7)
H17a1.052(2)0.4071(5)0.1505(4)0.0978(11)*
H17b1.1195(13)0.4245(4)0.2674(16)0.0978(11)*
H17c0.9342(8)0.3835(3)0.2992(13)0.0978(11)*

Source of material

A mixture of 3-(4-chlorophenyl)-1-(6-fluorophenyl)prop-2-en-1-one (2.60 g, 0.01 mol) and hydrazine hydrate (0.5 g, 0.01 mol) were mixed in acetic acid (40 mL) and stirred under reflux for 6 h. The reaction mixture was cooled and poured into 50 mL ice-cold water. The precipitate was collected by filtration and crystals of the title compound were obtained from ethanol.

Experimental details

Hydrogen atoms were placed in their geometrically idealized positions and constrained to ride on their parent atoms.

Comment

Pyrazoline systems are well known nitrogen-containing heterocyclic compounds which play an important role in pharmaceuticals as well as medicinal chemistry because they possess a broad spectrum of biological activities [4], [5], [6]. As a result, a great deal of attention has been paid to the investigation on the structure and property of pyrazolines [7], [8], [9]. Continuing our previous work related to 1,3,5-triaryl-2-pyrazoline [10], we report herein the crystal structure of the title compound.

The molecular structure of the title compound is shown in the figure. Bond lengths and angles are within normal ranges [11]. The dihedral angles between the mean plane of the pyrazolinyl ring with the mean planes of the phenyl rings at positions 3 and 5 of the pyrazoline are 84.9(2)° and 10.2(3)°, respectively.

Funding source: Henan University of Science and Technology Distinguished Professor Open Fund

Award Identifier / Grant number: 135100001

Funding statement: The authors would like to thank the financial supports from the Henan University of Science and Technology Distinguished Professor Open Fund (Grant No. 135100001).

References

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Received: 2019-06-04
Accepted: 2019-08-21
Published Online: 2019-09-09
Published in Print: 2019-11-26

©2019 E. Liu et al., published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 Public License.

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  63. Crystal structure of (N-n-butyl, N-methyl-dithiocarbamato-κ2 S,S′)-chlorido-dimethyl-tin(IV), C8H18ClNS2Sn
  64. Crystal structure of (2,2′-bipyridyl)bis(4-bromobenzyl)dibromidotin(IV), C24H20Br4N2Sn
  65. Crystal structure of (2,2′-bipyridyl)bis(4-chlorobenzyl)dichloridotin(IV), C24H20Cl4N2Sn
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  68. Crystal structure of catena-{di-aqua-sodium [n-butyl(methyl)carbamothioyl]sulfanide}n, [C6H16NNaO2S2]n
  69. Crystal structure of (2-([1,1-bis(hydroxymethyl)-2-oxyethyl]iminomethyl)-5-(n-decyl)phenolato)-dimethyl-tin(IV), C23H39NO5Sn
  70. Crystal structure of 4-chloro-N′-[(1E)-(3-ethoxy-2-hydroxyphenyl)methylidene]benzohydrazide – a Z′ = 3 structure, C16H15ClN2O3
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