Crystal structure, dielectric, piezoelectric and elastic properties of (±)-tris(ethylenediamine)cobalt(III) nitrate, (±)–[Co(H2N(CH2)2NH2)3](NO3)3

1998 ◽  
Vol 213 (3) ◽  
Author(s):  
S. Haussühl ◽  
J. Schreuer
Keyword(s):  
Crystal Structure ◽  
Thermal Expansion ◽  
Single Crystals ◽  
Elastic Properties ◽  
Structure Analysis ◽  
Elastic Constants ◽  
Room Temperature ◽  
Optical Quality ◽  
X Ray

AbstractLarge single crystals of optical quality of (±)-tris(ethylenediamine)cobalt(III) nitrate have been grown from aequeous solutions. An X-ray structure analysis yielded space groupPyroelectric, dieletric, piezoelectric and elastic constants have been determined at room temperature. Additionally, we have studied the coefficients of thermal expansion and the thermoelastic constants in the range between 270 K and 350 K. The structure exhibits a nearly trigonal symmetry around the [unk]

Crystal structure, thermal expansion and elastic properties of triclinic betaine hydrogen dihydrogen triiodate, ((CH3)3NCH2COOH)H2(IO3)3

1996 ◽  
Vol 211 (12) ◽  
Author(s):  
S. Haussühl ◽  
J. Schreuer
Keyword(s):  
Crystal Structure ◽  
Thermal Expansion ◽  
Aqueous Solutions ◽  
Single Crystals ◽  
Elastic Properties ◽  
Structure Analysis ◽  
Optical Quality ◽  
Space Group ◽  
X Ray

AbstractLarge single crystals of optical quality of betaine hydrogen dihydrogen iodate have been grown from aqueous solutions. An X-ray structure analysis yields space group

Crystal structure, thermal expansion and elastic properties of triclinic betaine hydrogen ammonium sulfate, ((CH3)3NCH2COOH)NH4SO4

1996 ◽  
Vol 211 (2) ◽  
Author(s):  
S. Haussühl ◽  
J. Schreuer
Keyword(s):  
Crystal Structure ◽  
Thermal Expansion ◽  
Aqueous Solutions ◽  
Single Crystals ◽  
Ammonium Sulfate ◽  
Elastic Properties ◽  
Structure Analysis ◽  
Optical Quality ◽  
X Ray

AbstractLarge single crystals of optical quality of betaine hydrogen ammonium sulfate have been grown from aqueous solutions. An X-ray structure analysis yielded space group

Crystal structure, thermal expansion and dielectric properties of monoclinic ethylenediammonium bis(hydrogensuccinate), H3N(CH2)2NH3(HC4H4O4)2

1994 ◽  
Vol 209 (1) ◽  
Author(s):  
J. Schreuer ◽  
T. Münch
Keyword(s):  
Crystal Structure ◽  
Thermal Expansion ◽  
Dielectric Properties ◽  
Aqueous Solutions ◽  
Single Crystals ◽  
Structure Analysis ◽  
Optical Quality ◽  
Space Group ◽  
X Ray

AbstractLarge single crystals of optical quality of monoclinic ethylenediammonium bis(hydrogensuccinate) were grown from aqueous solutions. An X-ray structure analysis yielded space group

Crystal structure, elastic properties and phase transition of triclinic ammonium hydrogen succinate, NH4HC4H4O4

1993 ◽  
Vol 206 (2) ◽  
Author(s):  
S. Haussühl ◽  
J. Schreuer
Keyword(s):  
Crystal Structure ◽  
Phase Transition ◽  
Aqueous Solutions ◽  
Single Crystals ◽  
Elastic Properties ◽  
Structure Analysis ◽  
Optical Quality ◽  
Space Group ◽  
X Ray ◽  
Ammonium Hydrogen

AbstractLarge optical quality, single crystals of triclinic ammonium hydrogen succinate have been grown from aqueous solutions. An X-ray structure analysis yields space group

Thermal expansion, elastic and thermoelastic properties including crystal structure analyses of K-, Rb- and Cs-nitrilotriacetates

2004 ◽  
Vol 219 (10) ◽  
Author(s):  
Eiken Haussühl ◽  
Siegfried Haussühl ◽  
Ekkehart Tillmanns
Keyword(s):  
Crystal Structure ◽  
Thermal Expansion ◽  
Aqueous Solutions ◽  
Single Crystals ◽  
Optical Quality ◽  
Thermoelastic Properties ◽  
X Ray

AbstractSingle crystals of the title compounds having optical quality and dimensions up to 60 mm have been grown from aqueous solutions. X-ray crystal structure analyses of K

scholarly journals A Salt Metathesis Route To Ruthenium Carbene Complex Isomers With Pyridine Dicarboxamide-Derived Chelate Pincer Ligands

2007 ◽  
Vol 62 (6) ◽  
pp. 783-790 ◽  
Author(s):  
Carolin Wallenhorst ◽  
Kirill V. Axenov ◽  
Joseph S. M. Samec ◽  
Roland Fröhlich ◽  
Gerhard Erker
Keyword(s):  
Crystal Structure ◽  
Single Crystals ◽  
Structure Analysis ◽  
Crystal Structure Analysis ◽  
Pincer Ligands ◽  
X Ray Diffraction ◽  
X Ray ◽  
Carbene Complex ◽  
Related Complex

Reaction of the doubly deprotonated pyridine 2,6-dicarboxamido ligand (1) with (PCy3)2Cl2 Ru=CHPh (3a) in THF gave a mixture of (lig)(PCy3)Ru=CHPh isomers (4). The pentane soluble N,N,O-4 isomer was isolated by extraction and characterized by X-ray diffraction. The O,N, O-4 isomer was identified in the residue. Single crystals of the closely related complex (lig)(NHC) Ru=CHPh, O,N,O-5, were obtained from the reaction of 1 with (NHC)(PCy3)Cl2Ru=CHPh (3b) and used for the X-ray crystal structure analysis of the system

The Vibrational Spectra and Crystal Structure of Acenaphthylene

1973 ◽  
Vol 51 (3) ◽  
pp. 402-404 ◽  
Author(s):  
A. Bree ◽  
R. A. Kydd ◽  
V. V. B. Vilkos ◽  
R. S. Williams
Keyword(s):  
Crystal Structure ◽  
Single Crystals ◽  
Raman Spectra ◽  
Vibrational Spectra ◽  
Room Temperature ◽  
Infrared And Raman Spectra ◽  
Depolarization Ratio ◽  
X Ray

A study of the polarized infrared and Raman spectra of acenaphthylene single crystals has been made. These results, together with Gordon and Yang's preliminary X-ray work, suggest that the molecules pack in some disordered arrangement in the solid at room temperature. Most of the A1 fundamentals were identified in the Raman solution spectrum from their low depolarization ratio, and a few tentative assignments of nontotally symmetric fundamentals were made.

CRYSTAL STRUCTURE, ELECTRICAL CONDUCTIVITY AND THERMAL EXPANSION OF Pr1-xSrxFeO3-δ(0 ≤ x ≤ 0.6)

2012 ◽  
Vol 26 (32) ◽  
pp. 1250174 ◽  
Author(s):  
V. PRASHANTH KUMAR ◽  
Y. S. REDDY ◽  
P. KISTAIAH ◽  
C. VISHNUVARDHAN REDDY
Keyword(s):  
Crystal Structure ◽  
Electrical Conductivity ◽  
Thermal Expansion ◽  
Room Temperature ◽  
Small Polaron ◽  
Linear Thermal Expansion ◽  
Lattice Parameter ◽  
Polaron Hopping ◽  
X Ray ◽  
Perovskite Type

The crystal structure at room temperature (RT), thermal expansion from RT to 1000°C and electrical conductivity, from RT to 600°C, of the perovskite-type oxides in the system Pr 1-x Sr x FeO 3(x = 0, 0.2, 0.4, 0.6) were studied. All the compounds have the orthorhombic perovskite GdFeO 3-type structure with space group Pbnm. The lattice parameters were determined by X-ray powder diffraction. The Pseudo cubic lattice parameter decreases with an increase in x, while the coefficient of linear thermal expansion increases. The thermal expansion is almost linear for x = 0 and 0.2. The electrical conductivity increases with increasing x while the activation energy decreases. The electrical conductivity can be described by the small polaron hopping conductivity model.

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