“…These are, distortion isomerism [11,39,57,68,69,72,83,95,101], polymer isomerism [11], and linkage isomerism [45]. A summary of the metal-metal distances below 300 pm is given in Table 7.…”
Section: Hetcrometallic Mercury Compounds: Classification and Analysimentioning
confidence: 99%
“…Another reason could be the lanthanide contraction, especially with the heavier atoms. In general the mean Hg-M distances found in the series of heterotrinuclear species are longer than those in heterobinuclear species, except for Pt and Ru where the opposite effect is seen.There are pairs of isomers [57,68,69], and two crystallographically independent molecules[72,83] observed in these derivatives. Both the isomers and the molecules differ only by degree of distortion (M-L distances and L-M-L angles) and represent examples of distortion isomerism.5.…”
Mercury is classed as a heavy metal both from its physical properties and its biochemical behaviour.This review includes over two hundred heterometallic mercury compounds of known crystal structure.The heterometal atoms include both transition and non-transition metals, including both hard (class A) and soft (class B) examples. The compounds range from simple hetero-double salts and hetero-bimetallic derivatives to heterometallic clusters of up to twenty one metal atoms. Examples of isomerism include distortion, polymer and linkage isomers. Correlations between structural parameters, heterometal and ligand donor atoms are developed and an overall summary of the metal-metal bonding distances is given.
“…These are, distortion isomerism [11,39,57,68,69,72,83,95,101], polymer isomerism [11], and linkage isomerism [45]. A summary of the metal-metal distances below 300 pm is given in Table 7.…”
Section: Hetcrometallic Mercury Compounds: Classification and Analysimentioning
confidence: 99%
“…Another reason could be the lanthanide contraction, especially with the heavier atoms. In general the mean Hg-M distances found in the series of heterotrinuclear species are longer than those in heterobinuclear species, except for Pt and Ru where the opposite effect is seen.There are pairs of isomers [57,68,69], and two crystallographically independent molecules[72,83] observed in these derivatives. Both the isomers and the molecules differ only by degree of distortion (M-L distances and L-M-L angles) and represent examples of distortion isomerism.5.…”
Mercury is classed as a heavy metal both from its physical properties and its biochemical behaviour.This review includes over two hundred heterometallic mercury compounds of known crystal structure.The heterometal atoms include both transition and non-transition metals, including both hard (class A) and soft (class B) examples. The compounds range from simple hetero-double salts and hetero-bimetallic derivatives to heterometallic clusters of up to twenty one metal atoms. Examples of isomerism include distortion, polymer and linkage isomers. Correlations between structural parameters, heterometal and ligand donor atoms are developed and an overall summary of the metal-metal bonding distances is given.
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