怎么在matdyn.modes 文件中提取本征矢量？为什么XYZ有六列

q = 0.5000 0.0000 0.5000
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freq ( 1) = 1.081551 [THz] = 36.076674 [cm-1]
( 0.333478 0.438082 0.000000 0.000000 -0.333478 -0.438082 )
( -0.443708 0.000000 -0.000000 0.000000 0.443708 0.000000 )
freq ( 2) = 1.542300 [THz] = 51.445604 [cm-1]
( 0.295966 0.388803 0.346768 -0.263968 0.295966 0.388803 )
( 0.332079 -0.000000 -0.000000 0.334654 0.332079 0.000000 )
freq ( 3) = 3.490126 [THz] = 116.418085 [cm-1]
( 0.197176 0.259026 -0.509174 0.387595 0.197176 0.259026 )
( -0.285813 0.000000 -0.000000 0.463885 -0.285813 0.000000 )
freq ( 4) = 3.973539 [THz] = 132.543007 [cm-1]
( 0.160337 0.210631 -0.431945 0.328807 0.160337 0.210631 )
( 0.288722 0.000000 0.000000 -0.631222 0.288722 0.000000 )
freq ( 5) = 4.556844 [THz] = 151.999945 [cm-1]
( -0.289091 -0.379772 0.000000 0.000000 0.289091 0.379772 )
( -0.521728 -0.000000 0.000000 -0.000000 0.521728 0.000000 )
freq ( 6) = 4.799919 [THz] = 160.108051 [cm-1]
( 0.204693 0.268900 0.325694 -0.247925 0.204693 0.268900 )
( -0.440976 -0.000000 0.000000 -0.463815 -0.440976 0.000000 )
**************************************************************************
diagonalizing the dynamical matrix ...
q = 0.5000 0.0125 0.5125
**************************************************************************
freq ( 1) = 1.081345 [THz] = 36.069792 [cm-1]
( 0.375802 0.415922 -0.005993 0.004404 -0.362955 -0.402099 )
( -0.441265 -0.000835 0.000614 0.013368 0.444311 0.000000 )
freq ( 2) = 1.535759 [THz] = 51.227422 [cm-1]
( 0.299977 0.388406 0.323429 -0.271660 0.303316 0.394693 )
( 0.345537 0.001789 -0.015461 0.324397 0.328778 0.000000 )
freq ( 3) = 3.510890 [THz] = 117.110679 [cm-1]
( 0.148890 0.274131 -0.551775 0.338241 0.156340 0.286764 )
( -0.271128 0.000553 0.004645 0.469277 -0.288777 0.000000 )
freq ( 4) = 3.965038 [THz] = 132.259441 [cm-1]
( 0.108801 0.215387 -0.483333 0.268648 0.121782 0.234595 )
( 0.272190 -0.001224 0.030235 -0.634628 0.297265 0.000000 )
freq ( 5) = 4.559483 [THz] = 152.087975 [cm-1]
( -0.316146 -0.348898 0.017394 -0.013906 0.322674 0.357584 )
( -0.537207 -0.000342 0.000700 0.009239 0.507114 0.000000 )
freq ( 6) = 4.796565 [THz] = 159.996192 [cm-1]
( 0.221871 0.279989 0.300360 -0.260528 0.204115 0.261597 )
( -0.434135 -0.001055 0.006691 -0.459485 -0.452268 0.000000 )
**************************************************************************
diagonalizing the dynamical matrix ...
q = 0.5000 0.0250 0.5250
**************************************************************************
freq ( 1) = 1.083133 [THz] = 36.129424 [cm-1]
( 0.416298 0.390401 -0.012184 0.008597 -0.387458 -0.364969 )
( -0.438007 -0.003491 0.002393 0.026747 0.445141 0.000000 )
freq ( 2) = 1.527385 [THz] = 50.948088 [cm-1]
( 0.303029 0.386665 0.301796 -0.276829 0.308946 0.401999 )
( 0.358909 0.007353 -0.030972 0.313347 0.325395 0.000000 )
freq ( 3) = 3.523425 [THz] = 117.528805 [cm-1]
( 0.096941 0.281965 -0.592473 0.271770 0.108169 0.309190 )
( -0.255943 0.001876 0.011515 0.478126 -0.290977 0.000000 )
freq ( 4) = 3.963355 [THz] = 132.203288 [cm-1]
( 0.053369 0.212527 -0.530629 0.193446 0.076641 0.252353 )
( 0.255985 -0.004865 0.057757 -0.633009 0.306353 0.000000 )
freq ( 5) = 4.562309 [THz] = 152.182257 [cm-1]
( -0.339515 -0.314558 0.034186 -0.028689 0.353766 0.333706 )
( -0.552620 -0.001520 0.002798 0.018352 0.491473 0.000000 )
freq ( 6) = 4.792370 [THz] = 159.856244 [cm-1]
( 0.241099 0.289164 0.273862 -0.270233 0.200937 0.256172 )
( -0.426028 -0.004168 0.013772 -0.455554 -0.463673 0.000000 )
**************************************************************************
diagonalizing the dynamical matrix ...
q = 0.5000 0.0375 0.5375
**************************************************************************
freq ( 1) = 1.087019 [THz] = 36.259063 [cm-1]
( 0.454815 0.361800 -0.018770 0.012665 -0.406830 -0.327357 )
( -0.433950 -0.008224 0.005252 0.040211 0.446131 0.000000 )
freq ( 2) = 1.517354 [THz] = 50.613472 [cm-1]
( 0.304798 0.383616 0.282225 -0.279606 0.312733 0.411087 )
( 0.371912 0.017042 -0.046465 0.301356 0.322069 0.000000 )
freq ( 3) = 3.526591 [THz] = 117.634418 [cm-1]
( 0.045758 0.279727 -0.624406 0.194057 0.056589 0.323318 )
( -0.240244 0.003653 0.017672 0.490677 -0.292530 0.000000 )
freq ( 4) = 3.969273 [THz] = 132.400683 [cm-1]
( -0.000823 0.199927 -0.567331 0.111278 0.029940 0.261199 )
( 0.240094 -0.010709 0.079795 -0.626701 0.315879 0.000000 )
freq ( 5) = 4.565302 [THz] = 152.282074 [cm-1]
( -0.358798 -0.276985 0.050474 -0.044476 0.382172 0.308693 )
( -0.568104 -0.003811 0.006307 0.027168 0.474485 0.000000 )
freq ( 6) = 4.787444 [THz] = 159.691939 [cm-1]
( 0.262196 0.296130 0.246360 -0.276935 0.195239 0.252800 )
( -0.416302 -0.009285 0.020989 -0.452075 -0.475334 0.000000 )
**************************************************************************
diagonalizing the dynamical matrix ...
q = 0.5000 0.0500 0.5500
**************************************************************************
freq ( 1) = 1.093010 [THz] = 36.458896 [cm-1]
( 0.491228 0.330409 -0.025951 0.016713 -0.420944 -0.289954 )
( -0.429077 -0.015322 0.009106 0.053844 0.447192 0.000000 )
freq ( 2) = 1.505874 [THz] = 50.230549 [cm-1]
( 0.304990 0.379271 0.265037 -0.280097 0.314469 0.422327 )
( 0.384135 0.031252 -0.061832 0.288242 0.318969 0.000000 )
freq ( 3) = 3.520327 [THz] = 117.425475 [cm-1]
( 0.000612 0.267424 -0.643729 0.115320 0.007432 0.328530 )
( -0.224094 0.005870 0.020677 0.505846 -0.293686 0.000000 )
freq ( 4) = 3.982535 [THz] = 132.843069 [cm-1]
( -0.048540 0.178759 -0.591159 0.033545 -0.012069 0.261358 )
( 0.224375 -0.018294 0.094473 -0.617254 0.325629 0.000000 )
freq ( 5) = 4.568422 [THz] = 152.386169 [cm-1]
( -0.373584 -0.236412 0.066305 -0.061409 0.407690 0.283206 )
( -0.583775 -0.007573 0.011250 0.035479 0.455767 0.000000 )
freq ( 6) = 4.781913 [THz] = 159.507455 [cm-1]
( 0.284978 0.300577 0.217983 -0.280485 0.187036 0.251662 )
( -0.404516 -0.016365 0.028095 -0.449120 -0.487378 0.000000 )
**************************************************************************