From the formula of the normalized structure factor for P2<sub>1</sub>2<sub>1</sub>2<sub>1</sub> space group, the algebraic formulas of 1.5 and 2.5 ranks are derived and may be used...From the formula of the normalized structure factor for P2<sub>1</sub>2<sub>1</sub>2<sub>1</sub> space group, the algebraic formulas of 1.5 and 2.5 ranks are derived and may be used to estimate the phases of±π/2 type. The formula of 1.5 rank展开更多
There exists a problem of dependence on space groups in estimating the phases of structure factors by probabilistic method. For this reason a method has been given in Ref.[1]. There is also a similar problem in treati...There exists a problem of dependence on space groups in estimating the phases of structure factors by probabilistic method. For this reason a method has been given in Ref.[1]. There is also a similar problem in treating phase angles by algebraic method. That is, all algebraic formulae used to estimate individual phase still are correlative to the specific展开更多
文摘From the formula of the normalized structure factor for P2<sub>1</sub>2<sub>1</sub>2<sub>1</sub> space group, the algebraic formulas of 1.5 and 2.5 ranks are derived and may be used to estimate the phases of±π/2 type. The formula of 1.5 rank
文摘There exists a problem of dependence on space groups in estimating the phases of structure factors by probabilistic method. For this reason a method has been given in Ref.[1]. There is also a similar problem in treating phase angles by algebraic method. That is, all algebraic formulae used to estimate individual phase still are correlative to the specific