The synthesis and characterization of 1,1-bis(aminomethyl)cyclohexaneplatinum(II) compounds and the crystal structure determination of 1,1-bis(aminomethyl)cyclohexaneaquosulphatoplatinum(II) monohydrate

1986 ◽  
Vol 116 (2) ◽  
pp. 179
Author(s):  
Harry A. Meinema ◽  
Francois Verbeek ◽  
Jan W. Marsman ◽  
Eric J. Bulten ◽  
James C. Dabrowiak ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Structure Determination ◽  
Crystal Structure Determination ◽  
Synthesis And Characterization

Synthesis and characterization of a disordered variant of KB5O7(OH)2

2015 ◽  
Vol 70 (9) ◽  
pp. 649-658 ◽  
Author(s):  
Teresa S. Ortner ◽  
Michael Schauperl ◽  
Klaus Wurst ◽  
Thomas S. Hofer ◽  
Hubert Huppertz
Keyword(s):  
Crystal Structure ◽  
Hydrothermal Synthesis ◽  
Single Crystal ◽  
Structure Determination ◽  
Molar Ratio ◽  
Potassium Cation ◽  
Synthesis And Characterization ◽  
Monoclinic Space Group

AbstractThe potassium pentaborate KB5O7(OH)2 reported herein crystallizes in the monoclinic space group P21/c (no. 14) with the lattice parameters a = 904.8(2), b = 753.2(2), c = 1214.9(5) pm, β = 117.16(2)°, and V = 0.73663(5) nm3 (Z = 4). It is a disordered structural variant of an already known compound with the same composition (a = 766.90(3), b = 904.45(3), c = 1223.04(4) pm, β = 119.132(2)°, and V = 0.74101(5) nm3 (Z = 4)) reported by Wu in 2011. The disorder of the potassium cation in the single crystal structure determination of KB5O7(OH)2 presented here leads to a remarkably elongated a axis and a corresponding reduction of the length of the b axis in comparison to the ordered compound. The disordered variant was obtained through a hydrothermal synthesis from KNO3, B2O3, and Ce(NO3)3·6H2O with a molar ratio of 1:1:0.07.

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