Results 21 to 30 of about 741,265 (208)

2-Amino-4-methoxy-6-methylpyrimidin-1-ium trifluoroacetate

IUCrData, 2016
In the title molecular salt, C6H10N3O+·C2F3O2−, the pyrimidinium cation is essentially planar, with a maximum deviation of 0.042 (3) Å for all non-H atoms.
Muthaiah Jeevaraj, Bellarmin Edison, Savaridasson Jose Kavitha, Kanagasabapathy Thanikasalam, Sebastian Britto, Kasthuri Balasubramani   +5 more
doaj   +1 more source

Methyl 2-oxo-2H-chromene-3-carboxylate [PDF]

, 2012
The title compound, C11H8O4, features an almost planar molecule (r.m.s. deviation = 0.033 Å for all non-H atoms). In the crystal, the molecules are linked via C-H...O hydrogen bonds, forming two-dimensional networks lying parallel to (1-21)
Arshad, Muhammad, Bolte, Michael, Ibrar, Aalia, Saeed, Aamer   +3 more
core   +2 more sources

5,13-Bis(4-methoxyphenyl)dinaphtho[2,3-b:2′,3′-d]thiophene S,S-dioxide dichloromethane hemisolvate

IUCrData, 2019
The title compound, C34H24O4S·0.5CH2Cl2, crystallizes with two independent molecules and one dichloromethane solvent molecule in the asymmetric unit. The crystal packing is consolidated by C—H...O hydrogen bonds.
R. Manickam, G. Jagadeesan, S. Muhamad Rafiq, A. K. Mohanakrishnan, G. Srinivasan   +4 more
doaj   +1 more source

Hydrogen bonding interactions of benzylidene type Schiff bases studied by vibrational spectroscopic and computational methods [PDF]

, 2003
The structural features of four benzylidene type Schiff bases [(E)-benzaldehyde-N-phenyl imine, (A) (E)-2-hydroxybenzaldehyde-N-phenyl imine (B) (E)-benzaldehyde-N-2-hydroxyphenyl imine (C) (E)-2-hydroxybenzaldehyde-N-2-hydroxyphenyl imine (D)] were ...
Aakeroy, Baker, Bondi, Cohen, Csaba Hetényi, Császár, Devlin, Filarowski, Hoshino, Inabe, István Pálinkó, Ledbetter, Ledbetter, Ligtenbarg, Lindeman, Meic, Minkin, Ostrowska, Ottó Berkesi, Rozwadowski, Scott, Smith, Stewart, Stewart, Tamás Körtvélyesi, Tamás Németh, Voet, Wozniak   +27 more
core   +1 more source

Diethyl [(4-bromophenyl)(5-chloro-2-hydroxyanilino)methyl]phosphonate

Acta Crystallographica Section E, 2009
In the title compound, C17H20BrClNO4P, intermolecular C—H...O and N—H...O hydrogen bonds form centrosymmetric R22(10) dimers linked through O—H...O intermolecular hydrogen bonds, which form centrosymmetric R22(16) dimers ...
V. H. H. Surendra Babu, M. Krishnaiah, G. Syam Prasad, C. Suresh Reddy, Rajni Kant   +4 more
doaj   +1 more source

(1'-Benzoylferrocenyl)diphenylmethanol; a Centrosymmetric R⁴₄(16) Dimer Generated by C-H...O Hydrogen Bonding [PDF]

, 1997
In (1'-benzoylferrocenyl)diphenylmethanol, [(PhCOC₅H₄)Fe(C₅H₄)]CPh₂OH, (C₃₀H₂₄FeO₂), there is an intramolecular O-H...O hydrogen bond with O...O 2.891 (2) Å: the ferrocenyl unit adopts an eclipsed conformation and the molecules are linked into ...
Ahmed, S. Zaka, Ferguson, George, Gallagher, John F., Glidewell, Christopher   +3 more
core   +1 more source

Syntheses and crystal structures of 2,2,5-trimethyl-1,3-dioxane-5-carboxylic acid and 2,2,5-trimethyl-1,3-dioxane-5-carboxylic anhydride

Acta Crystallographica Section E: Crystallographic Communications, 2020
In 2,2,5-trimethyl-1,3-dioxane-5-carboxylic acid, C8H14O4, the carboxyl group occupies an equatorial position on the 1,3-dioxane ring. In the crystal, O—H...O hydrogen bonds form chains of molecules, which are linked into a three-dimensional network by C—
Joseph A. Giesen, Scott M. Grayson, Joel T. Mague   +2 more
doaj   +1 more source

Assembling an isomer grid: the isomorphous 4-, 3- and 2-fluoro-N'-(4-pyridyl)benzamides [PDF]

, 2008
The three title isomers, 4-, (I), 3-, (II), and 2-fluoro-N'-(4-pyridyl)benzamide, (III), all C₁₂H₉FN₂O, crystallize in the P21/c space group (No. 14) with similar unit-cell parameters and are isomorphous and isostructural at the primary hydrogen-bonding ...
Donnelly, Katie, Gallagher, John F., Lough, Alan J.   +2 more
core   +1 more source

2-Amino-4-methylpyrimidinium dihydrogen phosphate

Acta Crystallographica Section E, 2013
A charge-assisted hydrogen-bonding network involving N—H...O and O—H...O hydrogen bonds stabilizes the crystal of the title salt, C5H8N3+·H2PO4−.
Sajesh P. Thomas, Jyothi Sunkari
doaj   +1 more source

Diethyl 2,6-Dimethyl-4-(naphthalen-1-yl)-1,4-Dihydropyridine-3,5-Dicarboxylate [PDF]

, 2016
In the title compound, C23H25NO4, the 1,4-dihydropyridine ring adopts a flattened boat conformation. The naphthalene ring system forms a dihedral angle of 88.59 (6)° with the pyridine ring.
Noor Shahina Begum, ., Prasad, N.L.
core   +1 more source