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Start Over Author "Cowieson, Nathan" Region melbourne (vic.)
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1. Crystal structure of posnjakite formed in the first crystal water-cooling line of the ANSTO Melbourne Australian Synchrotron MX1 Double Crystal Monochromator.

Author

Mills, Stuart, Aishima, Jun, Aragao, David, Caradoc-Davies, Tom Tudor, Cowieson, Nathan, Gee, Christine L., Ericsson, Daniel, Harrop, Stephen, Panjikar, Santosh, Louise Smith, Kate Mary, Riboldi-Tunnicliffe, Alan, Williamson, Rachel, and Price, Jason Roy

Subjects
MONOCHROMATORS, SYNCHROTRON radiation, SYNCHROTRONS, CRYSTALS, HYDROGEN bonding, CRYSTAL structure
Abstract

Exceptionally large crystals of posnjakite, Cu4SO4(OH)6(H2O), formed during corrosion of a Swagelock(tm) Snubber copper gasket within the MX1 beamline at the ANSTO-Melbourne, Australian Synchrotron. The crystal structure was solved using synchrotron radiation to R1 = 0.029 and revealed a structure based upon [Cu4(OH)6(H2O)O] sheets, which contain Jahn–Teller-distorted Cu octa­hedra. The sulfate tetrahedra are bonded to one side of the sheet via corner sharing and linked to successive sheets via extensive hydrogen bonds. The sulfate tetra­hedra are split and rotated, which enables additional hydrogen bonds. [ABSTRACT FROM AUTHOR]

Published
2020
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