Weak interactions defining the crystal packing in the sterically demanding compound 1-(3-methylphenyl)-2-(4-nitrophenyl)-4,5-diphenyl-1H-imidazole [0.03%]
空间位阻大的化合物1-(3-甲基苯基)-2-(4-硝基苯基)-4,5-二苯基-1H-咪唑中的晶体堆积弱相互作用
Armando Ferrer,Yonatan Mederos,Julio A Rojas Vargas et al.
Armando Ferrer et al.
The synthesis of 1-(3-methylphenyl)-2-(4-nitrophenyl)-4,5-diphenyl-1H-imidazole, C28H21N3O2, has been efficiently achieved in a one-pot procedure from simple materials. Its structure was analysed with the help of a full set of spectroscopic...
Alan R Kennedy,Connor MacCall,Michael W Reid et al.
Alan R Kennedy et al.
The crystal structures of eight salt forms of the carboxylate-functionalized monoazo dye Mordant Orange 1 are presented and discussed, primarily in terms of their coordination behaviour. The relatively non-polar metals Mg and Li give the so...
Crystal and electronic structure of heteroanionic praseodymium chlorosilicate Pr3Cl5[SiO4] [0.03%]
异阴离子掺杂的镨氯硅酸盐Pr₃Cl₅[SiO₄]的晶体和电子结构
Ella Madura,Darren Weng,Thimira Kandabadage et al.
Ella Madura et al.
Novel heteroanionic tripraseodymium pentachloride orthosilicate, Pr3Cl5[SiO4], was synthesized from a stoichiometric mixture of Pr2O3, PrCl3, and SiO2 using a self-flux-assisted high-temperature reaction under vacuum-sealed conditions. Sing...
Effect of molecular perturbation on cocrystal formation: theophylline and its 8-halo analogues with flavonoids [0.03%]
分子扰动对共晶形成的影响：咖啡因及其8-卤化衍生物与黄酮类化合物的共晶研究
Weijian Ye,Herman H Y Sung,Ian D Williams
Weijian Ye
The tendency for cocrystal formation between alkaloids and flavonoids is found to be quite common (around 30%) and based on the optimization of hydrogen-bond formation between the acceptor-rich alkaloids and donor-rich flavonoids. Within ea...
Homopolyatomic bismuth cluster compound Bi8[AlBr4]2: synthesis, structural characterization, and electronic structure [0.03%]
均一原子团簇化合物Bi8[AlBr4]2的合成、结构表征及电子结构研究
S M Gayomi K Samarakoon,Chaila N Estrella,Sviatoslav Baranets
S M Gayomi K Samarakoon
Black irregular crystals of octabismuth(2+) bis(tetrabromidoaluminate), Bi8[AlBr4]2, were synthesized by the reaction of BiBr3, AlBr3, and metallic Bi in a Lewis acidic ionic liquid (LAIL), [BMIm]Br·3.95AlBr3 (BMIm = 1-n-butyl-3-methylimid...
Tying up lots of loose ends: dealing with unpublished crystal structures [0.03%]
收拾诸多个尾事务：处理未发表的晶体结构
William Clegg
William Clegg
Direct deposition of crystal structures into the Cambridge Structural Database as CSD Communications is a simple and effective means of bringing otherwise unpublished structural results into the public domain. This article of personal refle...
Can halogen atoms in coumarin derivatives affect the structure and antiproliferative activity of nickel(II) complexes? [0.03%]
卤原子如何影响肉桂茋衍生物的结构及其镍配合物的抗增殖活性？
Jakub Kurjan,Erika Samolova,Viktória Medvecová et al.
Jakub Kurjan et al.
A multistep procedure from 4-halogeno-2-hydroxyacetophenones, proceeding through 7-halogeno-4-hydroxychromen-2-ones and 7-halogeno-3-acetyl-4-hydroxychromen-2-ones, followed by condensation with 2-picolylamine, was used to synthesize a new ...
Semi-automated MicroED system unveils multiple polymorphs in fish-derived guanine crystals [0.03%]
半自动微电子衍射系统揭示鱼源鸟嘌呤晶体的多晶型态
Minato Nakazawa,Seishu Hayashi,Keita Tanaka et al.
Minato Nakazawa et al.
Certain fish display silvery or blue colour, not through pigments, but through specialized guanine crystals that exist within iridophore cells in their skin. Within these cells, guanine (C5H5N5O) crystals are precisely arranged in stratifie...
Halogen and hydrogen bonding of 3,6-bis(pyridin-2-yl)-1,2,4,5-tetrazine and 3,6-bis(pyridin-4-yl)-1,2,4,5-tetrazine [0.03%]
3,6-双(吡啶基)-1,2,4,5-四嗪的卤键和氢键研究
Andrew J Peloquin,Colin D McMillen,William T Pennington
Andrew J Peloquin
Seven new crystal structures of 3,6-bis(pyridin-2-yl)-1,2,4,5-tetrazine (2-bptz) and 3,6-bis(pyridin-4-yl)-1,2,4,5-tetrazine (4-bptz) were determined with inorganic halogen donors (I2 or I3-), organic halogen donors [1,4-diiodotetrafluroobe...
From central chirality to helical chirality: two chiral coordination polymers based on a lactic acid derivative and their SHG responses [0.03%]
基于乳酸衍生物的两类手性配位聚合物及其SHG响应：从中心手性到螺旋手性
Qian Qian Chen,Hong Yuan Qin,Juan Yan et al.
Qian Qian Chen et al.
The chiral ligand (R)-3-(1-carboxyethoxy)benzoic acid [(R)-H2cea], was synthesized by modifying an aromatic carboxylic acid with lactic acid. This ligand was used to react with Zn2+ and Cd2+ ions under hydrothermal conditions in the presenc...