chem104alecture25 - , Si 2 O 7 6-e.g. Sc 2 Si 2 O 7...

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1 Chem 104A, UC, Berkeley P = 2 e.g. S 8 RINGS Chem 104A, UC, Berkeley P = 2 e.g. α -Se CHAINS Chem 104A, UC, Berkeley P = 3 e.g. As, Bi LAYERS Chem 104A, UC, Berkeley CARBON Allotropes with P = 3 Carbon shows both Layer and Cage Networks with P=3
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2 Chem 104A, UC, Berkeley CARBON with P = 4 the Diamond FRAMEWORK Chem 104A, UC, Berkeley Structures with the Diamond FRAMEWORK P = 4 Networks Chem 104A, UC, Berkeley Ref: Wells Structural Inorganic Chemistry Chem 104A, UC, Berkeley Silicate Minerals - Networks of Tetrahedral SiO 4 4- Units P=0, Orthosilicate , SiO 4 4- e.g . Mg 2 SiO 4 Forsterite
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3 Chem 104A, UC, Berkeley P=1, Pyrosilicate
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Unformatted text preview: , Si 2 O 7 6-e.g. Sc 2 Si 2 O 7 Thorveitite Chem 104A, UC, Berkeley P=2 Rings, (SiO 3 3-) n e.g. Be 3 Al 2 Si 6 O 18 Beryl (the mineral emerald ) Chem 104A, UC, Berkeley P=2 Chains, Pyroxene, (SiO 3 3-) n e.g. CaMgSi 2 O 6 Diopside Chem 104A, UC, Berkeley P = 2 & 3 Chain of Rings, Amphibole, (Si 4 O 11 6-) n e.g. Ca 2 Mg 5 Si 8 O 22 (OH) 2 Tremolite 4 Chem 104A, UC, Berkeley P=3 Layers, (Si 2 O 5 2-) n e.g. Mg 3 Si 4 O 10 (OH) 2 Talc Chem 104A, UC, Berkeley P=4, Tectosilicate , SiO 2 e.g. M n+ x/n [(AlO 2 ) x (SiO 2 ) y ]. m H 2 O Zeolite ZSM-5...
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chem104alecture25 - , Si 2 O 7 6-e.g. Sc 2 Si 2 O 7...

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