Describe how the structures of the following can be described in terms of the simple structures types of Table 3.4 but with complex ions: K2PtCl6, [Ni(H2O)][SiF6], CsCN
Describe how the structures of the following can be described in terms of the simple structures types of Table 3.4 but with complex ions: K2PtCl6, [Ni(H2O)][SiF6], CsCN
Chapter26: Molecular Absorption Spectrometry
Section: Chapter Questions
Problem 26.15QAP
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Describe how the structures of the following can be described in terms of the simple structures types of Table 3.4 but with complex ions: K2PtCl6, [Ni(H2O)][SiF6], CsCN
Transcribed Image Text:Table 3.4 The crystal structures of compounds, at standard conditions unless otherwise stated
Crystal structure
Examples*
Antifluorite
K,0, K,S, Li,0, Na,0, Na,Se, Na,5
Caesium chloride
CSCI, TII (low 7), CSAU, CSCN, Cuzn, Nbo
Caf, UO, HgF, LaH,, Pbo, (high pressure, >6 GPa)
NiAs, NIS, FeS, PtSn, Cos
Fluorite
Nickel arsenide
Perovskite
CaTiO, (distorted), STTIO,, PbZro, LaFe0, LisrH, KMNF;
NaCI, KBr, Rbl, AgCI, AgBr, Mg0, Cao, TIO, FeO, NiO, SnAs, UC, ScN
TiO (one polymorph), MnO, Sno, WO, MgF, NiF,
Rock salt
Rutile
Sphalerite (zinc
blende, cubic)
ZnS (one polymorph), CuCI, Cds (Hawleyite polymorph), HgS, CaP, Agl (at high pressure,
>6 GPa, transforms to rock salt structure), InA, Zno (high pressure, >6 GPa)
MgAI,0, ZnFe,0, ZnCr,S,
Spinel
Wurtzite (hexagonal) Zns (one polymorph), Zno, Be0, Agl (one polymorph, lodargyrite), AIN, SIC, NH,F, Cds
(Greenockite polymorph)
"A substance in bold type is the one that gives its name to the structure.
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