Redetermination the basic cell trigonal Cr5Te8 single crystal structure and its temperature dependence Raman spectra

2021 ◽  
pp. 122222
Author(s):  
Boyang Fu ◽  
Xinjian Bao ◽  
Hongshan Deng ◽  
Min Zhang
2016 ◽  
Vol 71 (4) ◽  
pp. 327-332 ◽  
Author(s):  
Olaf Reckeweg ◽  
Armin Schulz ◽  
Francis J. DiSalvo

AbstractTransparent colorless crystals of NaA5[C6N9]2 · 4 H2O (A = Rb, Cs) were obtained by blending aqueous solutions of Na3[C6N9] and RbF or CsF, respectively, and subsequent evaporation of the water under ambient conditions. Both compounds crystallize in the space group P21/m (no. 11) with the cell parameters a = 815.56(16), b = 1637.7(4) and c = 1036.4(3) pm, and β = 110.738(12)° for NaRb5[C6N9]2 · 4 H2O and a = 843.32(6), b = 1708.47(11) and c = 1052.42(7) pm, and β = 112.034(2)° for NaCs5[C6N9]2 · 4 H2O, respectively. Raman spectra of the title compounds complement our results.


2010 ◽  
Vol 65 (12) ◽  
pp. 1409-1415 ◽  
Author(s):  
Olaf Reckeweg ◽  
Armin Schulz ◽  
Francis J. Di Salvo

Single crystals of Ca15(CBN)6(C2)2F2 were obtained by the reaction of graphite, hexagonal BN and CaF2 with an excess of distilled Ca metal in silica-jacketed Ta ampoules at 1300 K. The title compound is transparent red and crystallizes isopointal to Ca15(CBN)6(C2)2O adopting the cubic space group Ia 3̄d (no. 230, Z = 8) with the cell parameter a = 1653.6(4) pm. Its vibrational spectra are compared with IR and Raman data of similar compounds from the literature and with the newly measured Raman spectra of Ca5(BC2)(C2)Cl3 and Ca9(BC2)2Cl8.


1999 ◽  
Vol 84 (4) ◽  
pp. 536-549 ◽  
Author(s):  
Edward S. Grew ◽  
Guenther J. Redhammer ◽  
Georg Amthauer ◽  
Mark A. Cooper ◽  
Frank C. Hawthorne ◽  
...  

1978 ◽  
Vol 49 (8) ◽  
pp. 4411-4416 ◽  
Author(s):  
H. d’Amour ◽  
D. Schiferl ◽  
W. Denner ◽  
Heinz Schulz ◽  
W. B. Holzapfel

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