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Gold halides are compounds of gold with the halogens.

1 Monohalides

AuCl, AuBr, AuI are all crystalline solids with a structure containing linear zig-zag chains: ..-X-Au-X-Au-X-Au-X-... The X-Au-X angle is 180^o.

2 Trihalides

The triiodide does not exist. AuCl₃ readily forms out of the elements at temperatures below 254^oC. It is a volatile red solid. The volatile species is the dimer Au₂Cl₆.

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Topics: Gold Halide Aucl Volatile Solids Exist Temperatures Zig-zag...

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