The Crystal Structure Of Cobalt Sulfate Hexahydrate Page: 5
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Cnlorimetric meusurements by Rno and Giauque (I960) showved some un-
entropy discrepancy.
The crystal morphologs vas described by Marigac (1855), and Groth
(1906).
Experimental
The flm photogrephy vas done using Fe Ka (%-1.9373 A) X reys, an Ilford
the saze layer vus exp(2.0 sec u), vhere u is the equi-inclinstion angle and
etmosphere, however, later we found the crystals to be surriciently stable to
Seventeen layers were photographed and 737 reflections were observed of which
accountable residual entropy in crystals of CoSO,-6H,0 at low fsopsnatures.
We have investigated the crystal structure in search of an explanation of
2.0 is an emprcally determned constant from the data; this ncaline factor
varied fro* 7.4 at the zero layer (u-o°), to 12.9 st the sixteenth layer
(u-3e.P).
handle in air. This first crystal was aligned about the 0101 direction.
rngs of hydrogen bonds such so were found in Na„So,- 108,0 (Ruben, Templeton,
Rosenstein and Olovsson, 1960), nor do we find any other explanation of the
the disorder. The resulting structure offers no possibility of disordered
calibrated set of spots. The scaling factor used between multiple rlms of
The first single crystal of CoSO,-6,0 vas enclosed in s .1 m. glass
capillary. At the time we felt the crystals would be unstable in the open
industrial G film. Intensities were estimated visually by coaperison with a
Crystals of CoSO,-6H20 were grown from a saturated solution at 50 -
55°. The intensity data were ohtetnea by multiple file Weissenberg techniques.
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Zalkin, Allan; Ruben, Helena & Templeton, David H. The Crystal Structure Of Cobalt Sulfate Hexahydrate, report, August 1961; Livermore, California. (https://digital.library.unt.edu/ark:/67531/metadc1254678/m1/3/: accessed July 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.