Crystal Structure of Sodium Nitroprusside


SODIUM nitroprusside, Na2Fe(CN)5NO.2H2O, crystallizes in the bipyramidal class D2h or mmm (di-digonal equatorial or holoaxial) of the orthorhombic system. The forms exhibited are the {110} primary rhombic prism, the {010} brachy-pinakoid and the {011} primary brachy-domal prism. The crystals are needle-like in habit along the c-axis and the unit cell dimensions determined from rotation photographs are: a = 11·8 A. ; b = 15·52 A. ; c = 6·22 A.

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COOKE, P. Crystal Structure of Sodium Nitroprusside. Nature 157, 518 (1946).

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