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abinit ¶ÔrprimµÄ¶¨ÒåºÜÃ÷È·£¬ÊÇÕâÑùµÄ¡£ Alternatively to rprim, directions of dimensionless primitive vectors can be specified by using the input variable angdeg. This is especially useful for hexagonal lattices (with 120 or 60 degrees angles). Indeed, in order for symmetries to be recognized, rprim must be symmetric up to tolsym (10 digits by default), inducing a specification such as rprim 0.86602540378 0.5 0.0 -0.86602540378 0.5 0.0 0.0 0.0 1.0 that can be avoided thanks to angdeg: angdeg 90 90 120 ËùÒÔÎÒ¾õµÃÓ¦¸ÃûÎÊÌ⣬¾ßÌå²Î¿¼ http://www.abinit.org/documentat ... s/varbas.html#rprim |
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