Inorganic chemistry: point groups – Flashcards
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X-A-X (bent) with one electron pair
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C2v
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X-A-X with two electron pairs
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C2v
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X-A-X,X (trigonal pyramidal) with one lone pair
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C3v , e.g NH3, PCl3
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AX5 (trigonal bipyramidal) with 0 lone pairs
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D3h , e.g PCl5, SO3
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AX4 (sawhorse/ seesaw) with 1 lone pair
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C2v , e.g SF4, IF4+
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AX3 with 2 lone pairs
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C2v , e.g CIF3
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AX2 with 3 lone pairs
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D-Infiniti h , e.g XeF2, IF2-, I3-
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AX5 with 1 lone pair
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C4v
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AX4 with 2 lone pairs
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D4h , e.g ICl4-, trans-SF4Cl2
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AX7 with no lone pairs
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D5h , e.g IF7
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Running molecules
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Cnh
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SF6
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Oh
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CCl4, SO4-2, NF4+
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Td
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CO2
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C-Infiniti h
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All molecules in cubic groups, D groups or with i are....
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NON POLAR
