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Crystal Chemistry of Lead Oxide Hydroxide Nitrates: III. The Crystal Structure of Pb3O2(OH)(NO3)

✍ Scribed by Sergey V. Krivovichev; Yaping Li; Peter C. Burns


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
422 KB
Volume
158
Category
Article
ISSN
0022-4596

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✦ Synopsis


The lead oxide hydroxide nitrate, Pb 3 O 2 (OH)(NO 3 ), has been synthesized by hydrothermal methods. The crystal structure has been determined by single-crystal X-ray di4raction and re5ned to R1 ‫؍‬ 0.044. The compound is orthorhombic, space group Pca2 1 , a ‫؍‬ 14.149(2) A s , b ‫؍‬ 8.7668(12) A s , c ‫؍‬ 5.7124(8) A s , V ‫؍‬ 708.6(2) A s 3 , Z ‫؍‬ 4. The structure is based on [O 2 Pb 3 ] chains of edge-sharing (OPb 4 ) tetrahedra that are parallel to the c axis. The chains are linked by (OH)Pb 2 dimers to Pb 3 O 2 sheets that are parallel to (100). (NO 3 ) triangles are parallel to the (001) plane. The Pb coordination polyhedra are strongly distorted due to the in6uence of lone pair electrons.


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Crystal Chemistry of Lead Oxide Hydroxid
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The new lead oxide hydroxide nitrate carbonate, [Pb 6 O 4 ](OH)(NO 3 )(CO 3 ), has been synthesized by hydrothermal methods. The crystal structure has been determined by single-crystal X-ray di4raction and re5ned to R1 ‫؍‬ 0.030. The compound is orthorhombic, space group Pnma, a ‫؍‬ 30.557( 6), b ‫؍

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