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Bis(guanidinium) tetra-iodidomercurate(II).


ABSTRACT: The Hg atom in the crystal structure of the title compound, (CH(6)N(3))(2)[HgI(4)], is tetra-hedrally coordinated by four I atoms. The [HgI(4)](2-) ions are inter-connected to the [C(NH(2))(3)](+) ions by N-H?I hydrogen bonds, forming a three-dimensional network. The four different observed Hg-I distances [2.760?(2), 2.7762?(15), 2.8098?(14) and 2.833?(2)?Å] are consistent with four different (127)I NQR frequencies observed, showing the existence of four unique I atoms in the tetra-iodidomercurate unit.

SUBMITTER: Terao H 

PROVIDER: S-EPMC2977565 | biostudies-literature | 2009 Apr

REPOSITORIES: biostudies-literature

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Bis(guanidinium) tetra-iodidomercurate(II).

Terao Hiromitsu H   Gesing Thorsten M TM   Ishihara Hideta H   Furukawa Yoshihiro Y   Gowda B Thimme BT  

Acta crystallographica. Section E, Structure reports online 20090410 Pt 5


The Hg atom in the crystal structure of the title compound, (CH(6)N(3))(2)[HgI(4)], is tetra-hedrally coordinated by four I atoms. The [HgI(4)](2-) ions are inter-connected to the [C(NH(2))(3)](+) ions by N-H⋯I hydrogen bonds, forming a three-dimensional network. The four different observed Hg-I distances [2.760 (2), 2.7762 (15), 2.8098 (14) and 2.833 (2) Å] are consistent with four different (127)I NQR frequencies observed, showing the existence of four unique I atoms in the tetra-iodidomercura  ...[more]

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