After L-test,the result are follows: TWINNING ANALYSIS: First principles calculation of potential twinning operators using code by Andrey Lebedev: First principles calculation has found 0 potential twinning operators
No twinning detected <!--SUMMARY_END--></FONT></B> $TABLE: L test for twinning: $GRAPHS: cumulative distribution function for |L|:0|1x0|1:1,2,3,4: $$ |L| Observed Expected_untwinned Expected_twinned $$ $$ 0.000000 0.000000 0.000000 0.000000 0.050000 0.054127 0.050000 0.074938 0.100000 0.101795 0.100000 0.149500 0.150000 0.148706 0.150000 0.223312 0.200000 0.196638 0.200000 0.296000 0.250000 0.244675 0.250000 0.367188 0.300000 0.293074 0.300000 0.436500 0.350000 0.342463 0.350000 0.503563 0.400000 0.390543 0.400000 0.568000 0.450000 0.440510 0.450000 0.629437 0.500000 0.489954 0.500000 0.687500 0.550000 0.541145 0.550000 0.741812 0.600000 0.592157 0.600000 0.792000 0.650000 0.643445 0.650000 0.837688 0.700000 0.695155 0.700000 0.878500 0.750000 0.747505 0.750000 0.914062 0.800000 0.802393 0.800000 0.944000 0.850000 0.856546 0.850000 0.967938 0.900000 0.909764 0.900000 0.985500 0.950000 0.961975 0.950000 0.996313 1.000000 1.000000 1.000000 1.000000 $$ 在 2011年10月13日 下午11:42，Xiaopeng Hu <[email protected]>写道： > Dear Yuri, > Could you give out the details? Such as how you found the twins? > > 2-Could have twinning? I recently just got done working on a structure that > could be scaled in C 2 2 21 but turned out to really be an almost perfect > P21 twin. > (of course in monoclinic there are certain conditions for twinning...) > > > Xiaopeng >
