国际晶体学联合会
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作者:... Fatima Alatibi , M. Iqbal Choudhary , Sammer Yousuf
来源:[J].Acta Crystallogr E Struct Rep Online(IF 0.347), 2013, Vol.69 (Pt 3), pp.o351-o351IUCr
摘要:In the title compound, C 24 H 24 N 2 O 3 S, the phenyl rings form dihedral angles of 55.65 (11) and 79.60 (11)° with the plane of the thiophene ring. The molecular conformation is stabilized by an intramolecular N—H...O hydrogen bond, generating an S(6) ri...
作者:... Yahia Nasser Mabkhot , M. Iqbal Choudhary , Sammer Yousuf
来源:[J].Acta Crystallogr E Struct Rep Online(IF 0.347), 2013, Vol.69 (Pt 6), pp.o919-o919IUCr
摘要:In the molecule of the title compound, C 13 H 14 O 4 , the benzene ring forms dihedral angles of 18.60 (7) and 81.36 (8)° with the two arms of the malonate moiety. The crystal structure features C—H...O interactions, which form chains running parallel to t...
作者:... Hina Siddiqui , M. Iqbal Choudhary , Sammer Yousuf
来源:[J].Acta Crystallogr E Struct Rep Online(IF 0.347), 2013, Vol.69 (Pt 9), pp.o1440-o1440IUCr
摘要:In the molecule of the title difluorobenzamide derivative, C 10 H 7 F 2 NO, the angle formed by the least-squares mean line through the prop-2-ynyl group [maximum deviation = 0.011 (3) Å] and the normal to the benzene ring is 59.03 (7)°. In the crys...
作者:... Assem Barakat , M. Iqbal Choudhary , Sammer Yousuf
来源:[J].Acta Crystallogr E Struct Rep Online(IF 0.347), 2013, Vol.69 (Pt 8), pp.o1272-o1272IUCr
摘要:The asymmetric unit of the title compound, C 10 H 6 N 2 S 2 , contains two crystallographically independent but conformationally similar molecules. The fused thiophene ring cores are almost planar [maximum deviation = 0.027 (3) Å] with the thiophene rings form...
作者:... Assem Barakat , M. Iqbal Choudhary , Sammer Yousuf
来源:[J].Acta Crystallogr E Struct Rep Online(IF 0.347), 2013, Vol.69 (Pt 7), pp.o1049-o1049IUCr
摘要:In the title compound, C 16 H 17 NO 3 S, a thiophene derivative with amino phenyl, acetyl, methyl and ethyl carboxyl susbtituents attached to a central thiophene ring, the phenyl and thiophene rings form a dihedral angle of 36.92 (9) Å. The molecular conformat...
作者:Sammer Yousuf , Saira Bano , M. Iqbal Choudhary
来源:[J].Acta Crystallogr E Struct Rep Online(IF 0.347), 2012, Vol.68 (Pt 7), pp.o2006-o2006IUCr
摘要:The title compound, C 24 H 34 O 5 , a fungal-transformed metabolite of the injectable contraceptive medroxyprogesterone acetate, consists of four fused rings (A, B, C and D; steroid labelling). Ring A exists in a half-chair conformation while trans-fused rings B and C adopt chair...
作者:... Hina Siddiqui , Rabia Farooq , M. Iqbal Choudhary
来源:[J].Acta Crystallogr E Struct Rep Online(IF 0.347), 2012, Vol.68 (Pt 7), pp.o2090-o2090IUCr
摘要:In the title compound, C 9 H 12 N 2 O 7 S 2 , the nitro substituent is slightly twisted from the benzene ring [dihedral angle = 14.69 (10)°]. The molecular geometry is stabilized by intramolecular C—H...O hydrogen bonds, forming S(6) ring motifs. In the crystal, ...
作者:... Fahad M. Al-Jekhedab , M. Iqbal Choudhary , Sammer Yousuf
来源:[J].Acta Crystallogr E Struct Rep Online(IF 0.347), 2012, Vol.68 (Pt 7), pp.m984-m985IUCr
摘要:In the title compound, [PdCl 2 (C 26 H 24 P 2 )]·C 2 H 6 OS, the PdII atom adopts a distorted cis-PdCl 2 P 2 square-planar coordination geometry. The five-membered chelate ring adopts an envelope conformation with a methylene C atom in the flap position. The S a...
作者:... Hina Siddiqui , Rabia Farooq , M. Iqbal Choudhary
来源:[J].Acta Crystallogr E Struct Rep Online(IF 0.347), 2012, Vol.68 (Pt 8), pp.o2349-o2349IUCr
摘要:In the title compound, C 20 H 22 N 2 S 2 , the five-membered thiazole ring of the 2-methyl-2,3-dihydro-1,3-benzothiazole unit has an envelope conformation. The dihedral angle between the planar [maximum deviation of 0.014 (1) Å for the S atom] benzothiazole ri...
作者:... Saud I. Al-Resayes , M. Iqbal Choudhary , Sammer Yousuf
来源:[J].Acta Crystallogr E Struct Rep Online(IF 0.347), 2012, Vol.68 (Pt 6), pp.o1786-o1786IUCr
摘要:In the molecule of the title compound, C 16 H 20 N 4 , the 1,3-diazinane ring adopts a chair conformation and the dihedral angle formed by the pyridine rings is 78.64 (8)°. The molecular conformation is stabilized by an intramolecular C—H...N hydrogen bond, formi...

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