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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 13, Number 2
JKCSEZ 13(2)
April 20, 1969

Title	The Crystal Structure of Rubidium Hydrogen Carbonate (RbHCO3) 탄산수소루비듐의 결정구조
Author	Moon Il Kim 김문일
Keywords
Abstract	The crystal structure of rubidium hydrogen carbonate has been determined by single crystal X-ray diffraction method. the crystals are monoclinic with a = 15.05 Å, b = 5.83 Å, c = 4.02 Å, and β = 107°. There are four chemical units per unit cell and the space-group was fixed as C2-C32. Patterson and trial-and-error methods gave the approximate structure and its refinements were made by two-dimentional Fourier summation. The Co3 group is planar with tshhe C-O distances of 1.32 Å, 1.32 Å, and 1.33 Å within experimental error and the two CO3 groups are linked together to form a complex anion [H2C2O6] with the O-H…O distance, 2.53 Å. Two molecules of RbHCO3 make the dimer structure with two hydrogen bonds. The values of reliability factor for F(hol), F(hko)and F(okl)are 0.15, 0.15 and 0.17 respectively. Each rubidium ion has eight oxygen neighbours with the Rb-O distances of 2.84~3.11 Å.
Page	131 - 136
Full Text	PDF

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