Nickel orthouronate: high-pressure synthesis.
The compound NiUO(4) has been synthesized at high pressure and temperature. No material of this composition is known to be synthesized at ambient pressure. The NiUO(4) structure is of the orthorhombic body centered MgUO(4) type; cell dimensions: a(1), 6.415 A; a(2) 6.435 A; and a(3), 6.835 A.
Young
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AP