scholarly journals Methyl α-L-sorboside monohydrate

IUCrData ◽  
2021 ◽  
Vol 6 (12) ◽  
Author(s):  
Mao Matsumoto ◽  
Natsumi Nagayama ◽  
Ryo Hirose ◽  
Kei Takeshita ◽  
Tomohiko Ishii
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Cell Volume ◽  
Title Compound ◽  
Unit Cell Volume ◽  
Three Dimensional ◽  
Unit Cell ◽  
Rare Sugar ◽  
Dimensional Network

Methyl L-sorboside monohydrate, C7H14O6·H2O, was prepared from the rare sugar L-sorbose, C6H12O6, and crystallized. It was confirmed that methyl L-sorboside formed α-pyranose with a 2 C 5 conformation and crystallized with one water molecule of crystallization. In the crystal, molecules are linked by O—H...O hydrogen bonds, forming a three-dimensional network. The unit-cell volume of the title compound, methyl L-sorboside monohydrate, is 481.13 (2) Å3 (Z = 2), which is about 108.16 Å3 (29.0%) greater than that of half the amount of the chemical α-L-sorbose [745.94 (2) Å3 (Z = 4)].

scholarly journals Ethyl α-L-sorboside

IUCrData ◽  
2020 ◽  
Vol 5 (12) ◽  
Author(s):  
Natsumi Nagayama ◽  
Norito Taniguchi ◽  
Mao Matsumoto ◽  
Kei Takeshita ◽  
Tomohiko Ishii
Keyword(s):  
Hydrogen Bonds ◽  
Cell Volume ◽  
Unit Cell Volume ◽  
Three Dimensional ◽  
Unit Cell ◽  
Rare Sugar ◽  
Dimensional Network

Ethyl L-sorboside, C8H16O6, was prepared from the rare sugar L-sorbose, C6H12O6, and crystallized. It was confirmed that ethyl L-sorboside formed α-pyranose with a 2 C 5 conformation. In the crystal, molecules are linked by O—H...O hydrogen bonds, forming a three-dimensional network. The unit-cell volume of the title ethyl α-L-sorboside is 940.63 Å3 (Z = 4), which is about 194.69 Å3 (26.1%) bigger than that of L-sorbose [745.94 Å3 (Z = 4)].

Bis[4-fluoro-N-(quinolin-8-yl)benzenesulfonamidato-κ2 N,N′]zinc(II) hemihydrate

2006 ◽  
Vol 62 (7) ◽  
pp. m1719-m1721 ◽  
Author(s):  
Luiz Everson da Silva ◽  
Antonio Carlos Joussef ◽  
Sabine Foro ◽  
Boris Schmidt
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Three Dimensional ◽  
Tetrahedral Geometry ◽  
Special Position ◽  
Twofold Axis ◽  
Distorted Tetrahedral Geometry ◽  
Dimensional Network

In the title compound, [Zn(C15H10FN2O2 S)2]·0.5H2O, the Zn atom has a distorted tetrahedral geometry, formed by the N atoms of the quinoline and the sulfonamide groups. The water molecule occupies a special position on a twofold axis. Intermolecular C—H...O hydrogen bonds to the sulfonyl O atoms link the molecules into a three-dimensional network.

scholarly journals 2-Carboxy-4-(hydroxymethyl)pyridinium chloride hemihydrate

2007 ◽  
Vol 63 (3) ◽  
pp. o1121-o1122
Author(s):  
Lars S. von Chrzanowski ◽  
Martin Lutz ◽  
Anthony L. Spek ◽  
Aidan R. McDonald ◽  
Gerard P. M. van Klink ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Rotation Axis ◽  
Three Dimensional ◽  
Pyridinium Chloride ◽  
Compound C ◽  
Dimensional Network

The title compound, C7H8NO3 +·Cl−·0.5H2O, features inter- and intramolecular O—H...Cl and N—H...O hydrogen bonds, linking the molecules into a three-dimensional network. The water molecule is located on a crystallographic twofold rotation axis.

scholarly journals Bis(1,10-phenanthrolin-1-ium) tetrachloridozincate monohydrate

2014 ◽  
Vol 70 (2) ◽  
pp. m53-m53 ◽  
Author(s):  
E. Govindan ◽  
Subramani Thirumurugan ◽  
Ayyakannu Sundaram Ganeshraja ◽  
Krishnamoorthy Anbalagan ◽  
A. SubbiahPandi
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Three Dimensional ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network

In the crystal structure of the title compound, (C12H9N2)2[ZnCl4]·H2O, the two independent 1,10-phenanthrolinium cations are bridged by the water molecule and the tetrahedral tetrachloridozincate anionviaN—H...O, O—H...Cl and N—H...Cl hydrogen bonds, forming chains along [100]. The chains are linkedviaC—H...Cl hydrogen bonds and a number of π–π interactions [centroid–centroid distances vary from 3.5594 (14) to 3.7057 (13) Å], forming a three-dimensional network. In each 1,10-phenanthrolinium cation, there is a short N—H...N interaction.

scholarly journals Crystal structure of melaminium cyanoacetate monohydrate

2020 ◽  
Vol 76 (10) ◽  
pp. 1645-1648
Author(s):  
Bhawani Sigdel Regmi ◽  
Allen Apblett ◽  
Douglas Powell
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Three Dimensional ◽  
Membered Ring ◽  
Water Molecules ◽  
Asymmetric Unit ◽  
Dimensional Network

The asymmetric unit of the title compound, 2,4,6-triamino-1,3,5-triazin-1-ium cyanoacetate monohydrate, C3H7N6 +·NCCH2COO−·H2O, consists of a melaminium cation, a cyanoacetate anion and a water molecule, which are connected to each other via N—H...O and O—H...O hydrogen bonds, generating an eight-membered ring. In the crystal, the melaminium cations are connected by two pairs of N—H...N hydrogen bonds, forming tapes along [110]. These tapes develop a three-dimensional network through N—H...O, O—H...O, N—H...N and C—H...O hydrogen bonds between the cations, anions and water molecules.

scholarly journals α-D,L-Sorbose

IUCrData ◽  
2018 ◽  
Vol 3 (1) ◽  
Author(s):  
Hiroaki Taguchi ◽  
Kouta Sogo ◽  
Tomohiko Ishii ◽  
Akihide Yoshihara ◽  
Kazuhiro Fukada
Keyword(s):  
Aqueous Solution ◽  
Hydrogen Bonds ◽  
Cell Volume ◽  
Title Compound ◽  
Unit Cell Volume ◽  
Three Dimensional ◽  
Equimolar Mixture ◽  
Asymmetric Unit ◽  
Compound C ◽  
Independent Molecules

The racemic title compound, C6H12O6, consisting of C-4 epimers of psicose, was crystallized from an aqueous solution of an equimolar mixture of D- and L-sorboses. It was confirmed that D-sorbose (or L-sorbose) formed α-pyranose with a 4 C 1 (or 1 C 4) conformation where the anomer position was designated as carbon-1. The asymmetric unit comprises two crystallographically independent molecules. In the crystal, molecules are linked by O—H...O hydrogen bonds, forming a three-dimensional framework. The unit-cell volume of the title racemic α-D,L-sorbose is 1450.86 (6) Å3 (Z = 8), which is about 41 Å3 smaller than that of twice the amount of chiral α-L-sorbose [V = 745.942 Å3 (Z = 4)].

A three-dimensional anionic metal–dicyanamide network in poly[ethyltriphenylphosphonium [tri-μ2-dicyanamidato-cadmium(II)]]

2015 ◽  
Vol 71 (1) ◽  
pp. 65-68 ◽  
Author(s):  
Qiang Li
Keyword(s):  
Cell Volume ◽  
Title Compound ◽  
Unit Cell Volume ◽  
Three Dimensional ◽  
Unit Cell ◽  
Void Space ◽  
Compound C

The title compound, (C20H20P)[Cd(C2N3)3], consists of ethyltriphenylphosphonium (EtPh3P+) cations filling voids in a three-dimensional anionic cadmium dicyanamide network. In the structure, each CdIIatom is connected to six neighbouring CdIIatoms through six separate dicyanamide ligands, forming cube-shaped cages. The three-dimensional anionic network encloses a solvent-accessible void space of 1851 Å3, amounting to 69.3% of the unit-cell volume. Each cage accommodates only one EtPh3P+cation.

Aquabis(dichloroacetato-κO)bis(nicotinamide-κN)copper(II)

2007 ◽  
Vol 63 (3) ◽  
pp. m743-m745 ◽  
Author(s):  
Jan Moncol ◽  
Jaroslava Maroszová ◽  
Marcela Múdra ◽  
Tadeusz Lis ◽  
Marian Koman
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Coordination Polyhedron ◽  
Title Compound ◽  
Rotation Axis ◽  
Three Dimensional ◽  
Dimensional Network ◽  
Tetragonal Pyramidal ◽  
Coordinated Water

In the title compound, [Cu(Cl2CHCO2)2(C6H6N2O)2(H2O)], both the CuII atom and the O atom of the coordinated water molecule lie on a crystallographic twofold rotation axis. The CuII atom is coordinated by O atoms from two monodentate chloroacetate anions, pyridine N atoms from two monodentate nicotinamide ligands and by the water molecule, forming a tetragonal–pyramidal coordination polyhedron. The complexes are linked by O—H...O, N—H...O and C—H...O hydrogen bonds into a three-dimensional network.

scholarly journals The crystal structure of zwitterionic 2-{[(4-iminiumyl-3-methyl-1,4-dihydropyridin-1-yl)methyl]carbamoyl}benzoate hemihydrate

2017 ◽  
Vol 73 (7) ◽  
pp. 927-931 ◽  
Author(s):  
C. S. Chidan Kumar ◽  
Ai Jia Sim ◽  
Weng Zhun Ng ◽  
Tze Shyang Chia ◽  
Wan-Sin Loh ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Three Dimensional ◽  
Dihedral Angles ◽  
Asymmetric Unit ◽  
Compound C ◽  
Dimensional Network ◽  
Phenyl Rings

The asymmetric unit of the title compound, C15H15N3O3·0.5H2O, comprises two 2-{[(4-iminiumyl-3-methyl-1,4-dihydropyridin-1-yl)methyl]carbamoyl}benzoate zwitterions (AandB) and a water molecule. The dihedral angles between the pyridine and phenyl rings in the zwitterions are 53.69 (10) and 73.56 (11)° inAandB, respectively. In the crystal, molecules are linked by N—H...O, O—H...O, C—H...O and C—H...π(ring) hydrogen bonds into a three-dimensional network. The crystal structure also features π–π interactions involving the centroids of the pyridine and phenyl rings [centroid–centroid distances = 3.5618 (12) Å inAand 3.8182 (14) Å inB].

Bis(2-aminoacetato-κ2 N,O)aquanickel(II)

2006 ◽  
Vol 62 (4) ◽  
pp. m728-m730
Author(s):  
Yang-Jun Ding ◽  
Yu-Xi Sun ◽  
Nian-Wei Zhang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Three Dimensional ◽  
Apical Position ◽  
Pyramidal Geometry ◽  
Dimensional Network ◽  
Coordinated Water ◽  
Square Pyramidal Geometry

The title compound, [Ni(C2H5NO2)2(H2O)], is a mononuclear nickel(II) complex. The NiII atom is five-coordinated by two N atoms and two O atoms from two glycinate ligands in basal plane positions, and by one O atom from a coordinated water molecule in the apical position, forming a slightly distorted square-pyramidal geometry. In the crystal structure, molecules are linked through intermolecular N—H...O and O—H...O hydrogen bonds, forming a three-dimensional network.

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