Synthesis, characterization and supra-molecular analysis for (E)-3-(pyridin-4-yl)acrylic acid [0.03%]
(E)-3-(吡啶-4-基)丙烯酸的合成、表征及超分子分析
Valentina Florez-Muñoz,Andres Felipe Guerrero,Mario Macias et al.
Valentina Florez-Muñoz et al.
The title compound, C8H7NO2, crystallizes as prismatic colourless crystals in space group P , with one mol-ecule in the asymmetric unit. The pyridine ring is fused to acrylic acid, forming an almost planar structure with an E-configuration ...
Synthesis, crystal structure and Hirshfeld surface analysis of bromido-tetra-kis-[5-(prop-2-en-1-yl-sulf-an-yl)-1,3,4-thia-diazol-2-amine-κ N3]copper(II) bromide [0.03%]
溴化二铜(II)的一溴五(5-丙烯基硫代-1,3,4-噻二唑-2-胺-κN3)合物的合成、晶体结构和Hirshfeld面分析
Aziz Atashov,Mukhlisakhon Azamova,Daminbek Ziyatov et al.
Aziz Atashov et al.
A novel cationic complex, bromido-tetra-kis-[5-(prop-2-en-1-ylsulfan-yl)-1,3,4-thia-diazol-2-amine-κN 3]copper(II) bromide, [CuBr](C5H7N3S2)4Br, was synthesized. The complex crystallizes with fourfold mol-ecular symmetry in the tetra-gonal...
Crystal structure of 2,4-di-amino-5-(4-hy-droxy-3-meth-oxy-phen-yl)-8,8-dimethyl-6-oxo-6,7,8,9-tetra-hydro-5 H-chromeno[2,3- b]pyridine-3-carbo-nitrile-di-methyl-formamide-water (1/1/1) [0.03%]
2,4-二氨基-5-(4-羟基-3-甲氧基苯基)-8,8-二甲基-6-氧代-6,7,8,9-四氢-5H-环黄素并吡啶-3-腈-二甲基甲酰胺-水合物的晶体结构(1/1/1)
Nadia H Metwally,Galal H Elgemeie,El-Shimaa S M Abd Al-Latif et al.
Nadia H Metwally et al.
In the structure of the title compound, C22H22N4O4·C3H7NO·H2O, the entire tricyclic system is approximately planar except for the carbon atom bearing the two methyl groups; the meth-oxy-phenyl ring is approximately perpendicular to the tr...
Crystal structure and Hirshfeld surface analysis of 4,4'-di-meth-oxy-biphenyl-3,3',5,5'-tetra-carb-oxy-lic acid dihydrate [0.03%]
4,4'-二甲氧基-3,3',5,5'-四羧基联苯二水合物的晶体结构和Hirshfeld面分析
Thomas Hanauer,Wilhelm Seichter,Monika Mazik
Thomas Hanauer
In the crystal of the title compound, C18H14O10·2H2O, the arene rings of the biphenyl moiety are tilted at an angle of 24.3 (1)°, while the planes passing through the carboxyl groups are rotated at angles of 8.6 (1) and 7.7 (1)° out of t...
Crystal structure and Hirshfeld surface analysis of 8-benzyl-1-[(4-methyl-phen-yl)sulfon-yl]-2,7,8,9-tetra-hydro-1 H-3,6:10,13-diep-oxy-1,8-benzodi-aza-cyclo-penta-decine ethanol hemisolvate [0.03%]
8-苄基-1-[(4-甲基苯基)磺酰]-2,7,8,9-四氢-1H-3,6:10,13-二环氧-1,8-苯并二氮杂环十五烷半乙醇溶剂化物的晶体结构及 Hirshfeld 表面分析
Gleb M Burkin,Elizaveta A Kvyatkovskaya,Victor N Khrustalev et al.
Gleb M Burkin et al.
The asymmetric unit of the title compound, 2C31H28N2O4S·C2H6O, contains a parent mol-ecule and a half mol-ecule of ethanol solvent. The main compound stabilizes its mol-ecular conformation by forming a ring with an R 1 2(7) motif with the ...
Crystal structure and Hirshfeld surface analysis of 6-imino-8-(4-methyl-phen-yl)-1,3,4,6-tetra-hydro-2 H-pyrido[1,2- a]pyrimidine-7,9-dicarbo-nitrile [0.03%]
6-亚胺基-8-(4-甲基苯基)-1,3,4,6-四氢-2H-吡啶并[1,2-a]嘧啶-7,9-二腈的晶体结构和Hirshfeld面分析
Farid N Naghiyev,Victor N Khrustalev,Mehmet Akkurt et al.
Farid N Naghiyev et al.
In the ten-membered 1,3,4,6-tetra-hydro-2H-pyrido[1,2-a]pyrimidine ring system of the title compound, C17H15N5, the 1,2-di-hydro-pyridine ring is essentially planar (r.m.s. deviation = 0.001 Å), while the 1,3-diazinane ring has a distorted...
Irén Bieler,Christoph Wagner,Kurt Merzweiler
Irén Bieler
Treatment of 3-(3,4-di-hydroxy-phen-yl)propenoic acid (caffeic acid or 3,4-di-hydroxy-cinnamic acid) with the alkali hydroxides MOH (M = Li, Na) in aqueous solution led to the formation of poly[aqua-[μ-3-(3,4-di-hydroxy-phen-yl)propenoato]...
Crystal structure of (S)-5-(3-acetyl-5-chloro-2-ethoxy-6-fluorophenyl)-2-oxazolidinone [0.03%]
(S)-5-(3-乙氧基-5-氯-6-氟-2-苯基)-2-恶唑酮的晶体结构
Victor Li,Glenn P A Yap,Chaoying Ni
Victor Li
The structure of (S)-5-(3-acetyl-5-chloro-2-ethoxy-6-fluorophenyl)-2-oxazolidinone, C13H13ClFNO4, at 100 K has monoclinic (P21) symmetry. The compound has a polymeric structure propagated by a screw axis parallel to the b axis with N-H⋯O h...
Synthesis, crystal structure and Hirshfeld surface analysis of N-(6-acetyl-1-nitro-naphthalen-2-yl)acetamide [0.03%]
N-(6-乙酰基-1-硝基萘-2-基)醋胺的合成、晶体结构及Hirshfeld面分析
Xin-Wei Shi,Shao-Jun Zheng,Qiang-Qiang Lu et al.
Xin-Wei Shi et al.
The title compound, C14H12N2O4, was obtained from 2-acetyl-6-amino-naphthalene through two-step reactions of acetyl-ation and nitration. The mol-ecule comprises the naphthalene ring system consisting of functional systems bearing a acetyl g...
Synthesis and crystal structure of the adduct between 2-pyridyl-selenyl chloride and isobutyro-nitrile [0.03%]
2-吡啶基硒氯与异丁腈之间加合物的合成及晶体结构分析
Ayalew W Temesgen,Alexander A Sapronov,Alexey S Kubasov et al.
Ayalew W Temesgen et al.
The reaction between 2-pyridyl-selenenyl chloride and isobutyro-nitrile results in the formation of the corresponding cationic pyridinium-fused 1,2,4-seleno-diazole, namely, 3-(propan-2-yl)-1,2,4-[1,2,4]selena-diazolo[4,5-a]pyridin-4-ylium ...