Synthesis and Crystal Structure of Zr2Te. Distinctions in Bonding to Isotypic Sc2Te and the Relationship to the Structures of Congeneric Hf2Te and Zr2Se

1999 ◽  
Vol 38 (14) ◽  
pp. 3377-3383 ◽  
Author(s):  
Gissur Örlygsson ◽  
Bernd Harbrecht
2014 ◽  
Vol 69 (4) ◽  
pp. 417-422 ◽  
Author(s):  
André Götze ◽  
Philipp Urban ◽  
Oliver Oeckler ◽  
Holger Kohlmann

Pd5InSe has been prepared from the elements. The use of iodine as a mineralizing agent enables the synthesis of single-phase powder samples as well as of single crystals. Pd5InSe is stable in cold air, but reacts to give Pd, In2O3 and Pd4Se at 400 °C. The crystal structure of Pd5InSe was determined from single-crystal X-ray diffraction data (space group P4=mmm, a = 4.0255(7), c = 6.972(1) Å, z(Pd2) = 0.28111(8)) and belongs to the Pd5TlAs-type structure with full occupation of all atomic sites. EDX analysis on the single crystal (Pd5.0(1)In0.99(3)Se1.0(1)) confirms the stoichiometric composition. The relationship to the cubic close packing (Cu-type structure), which may be visualized by the crystal chemical formula Pd4PdTlAs⃞, is proven by a Bärnighausen symmetry tree.


2002 ◽  
Vol 2002 (3) ◽  
pp. 120-121
Author(s):  
Tian Fu Liu ◽  
Hua Kuan Lin ◽  
Shou Rong Zhu ◽  
Zhong Ming Wang ◽  
Hong Gen Wang ◽  
...  

2002 ◽  
Vol 2002 (3) ◽  
pp. 107-109 ◽  
Author(s):  
Guang Liu ◽  
Jian Liu ◽  
Shi-Wei Zhang

1992 ◽  
Author(s):  
W. T. Harrison ◽  
G. D. Stucky ◽  
R. E. Morris ◽  
A. K. Cheetham

2019 ◽  
Vol 74 (4) ◽  
pp. 357-363
Author(s):  
Daniela Vitzthum ◽  
Hubert Huppertz

AbstractThe mixed cation triel borate Ga4In4B15O33(OH)3 was synthesized in a Walker-type multianvil apparatus at high-pressure/high-temperature conditions of 12.5 GPa and 1300°C. Although the product could not be reproduced in further experiments, its crystal structure could be reliably determined via single-crystal X-ray diffraction data. Ga4In4B15O33(OH)3 crystallizes in the tetragonal space group I41/a (origin choice 2) with the lattice parameters a = 11.382(2), c = 15.244(2) Å, and V = 1974.9(4) Å3. The structure of the quaternary triel borate consists of a complex network of BO4 tetrahedra, edge-sharing InO6 octahedra in dinuclear units, and very dense edge-sharing GaO6 octahedra in tetranuclear units.


2019 ◽  
Vol 35 (0) ◽  
pp. 27-29
Author(s):  
Reiko YAGUCHI ◽  
Hideki FURUTACHI ◽  
Sanae SHIROTSUKI ◽  
Xi ZHANG ◽  
Takanao ISHIKAWA ◽  
...  

Author(s):  
Mohammad Usman ◽  
Gyanendra B. Ayer ◽  
Mark D. Smith ◽  
Hans-Conrad zur Loye

Sign in / Sign up

Export Citation Format

Share Document