Crystal Structure and Copper of Copper Chloride Dihydrate


The crystal structure of Copper Chloride Dihydrate and […]

The crystal structure of Copper Chloride Dihydrate and the positions of the copper, chlorine, and oxygen atoms were first obtained by X-ray diffraction. Subsequently, the parameters were refined somewhat and the positions of the hydrogen atoms determined by neutron diffraction. Calculations of hydrogen atom positions were also made from infrared and proton resonance results.

Since we obtained high-quality crystals of this compound in the course of another investigation, it seemed worthwhile to obtain hydrogen atom positions and more accurate structure parameters by current X-ray procedures. Cupric chloride dihydrate crystals are in the space groupPbmn with a= 7.414, b= 8.0886, C= 3.7458 A and z =2. The O-H bond lengths of 0.82 and the hydrogen positions are consistent with neutron diffraction, and infrared determinations but not the proton resonance interpretation.

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