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phlilps木蟲(chóng) (正式寫(xiě)手)
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[求助]
求教晶體學(xué)計(jì)算! 已有1人參與
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| 已知某種晶體的晶格常數(shù)為a≠b≠c,α=β=γ=90o,有相同的原子排列在下列位置: (0.29,0.04,0.22),(-0.29,-0.04,-0.22) (0.79,0.46,0.28),(0.21,0.54,0.72) (-0.29,0.54,-0.22),(0.29,0.46,0.22) (0.21,-0.04,0.72),(0.79,0.04,0.28) 試根據(jù)上述數(shù)據(jù)確定該晶體的空間群. |
銅蟲(chóng) (小有名氣)
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a≠b≠c,α=β=γ=90o,正交晶系 (0.29,0.04,0.22) (x,y,z) (-0.29,-0.04,-0.22) (-x,-y,-z) (0.79,0.46,0.28) (1/2+x,1/2-y,1/2-z) (0.21,0.54,0.72) (1/2-x,1/2+y,1/2+z) (-0.29,0.54,-0.22) (-x,1/2+y,-z) (0.29,0.46,0.22) (x,1/2-y,1/2+z) (0.21,-0.04,0.72) (1/2-x,-y,1/2+z) (0.79,0.04,0.28) (1/2+x,y,1/2-z) 根據(jù)這些一般等效點(diǎn)確定空間群 |
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