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小韌1木蟲(chóng) (正式寫手)
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[求助]
castep的phonon文件如何解讀?
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BEGIN header Number of ions 9 Number of branches 27 Number of wavevectors 33 Frequencies in cm-1 IR intensities in (D/A)**2/amu Raman intensities in A**4 Unit cell vectors (A) 2.672988 -1.543250 0.000000 0.000000 3.086500 0.000000 0.000000 0.000000 18.566231 Fractional Co-ordinates 1 0.000000 0.000000 0.748303 H 1.008000 2 0.000000 0.000000 0.251697 H 1.008000 3 0.666667 0.333333 0.569025 C 12.011000 4 0.333333 0.666667 0.430975 C 12.011000 5 0.000000 0.000000 0.695618 O 15.999000 END header q-pt= 1 0.000000 0.000000 0.000000 0.0588235294 1 -0.033539 2 -0.033539 3 -0.020885 4 137.977671 5 137.977671 6 217.673841 7 244.156048 8 244.156048 9 274.934705 10 274.934705 11 278.394633 12 278.394633 13 348.374255 14 435.054209 15 435.054209 16 436.928095 17 436.928095 18 498.359069 19 514.492044 20 576.713022 21 622.030484 22 622.030484 23 636.597780 24 636.597780 25 683.736687 26 3732.369279 27 3734.403701 Phonon Eigenvectors Mode Ion X Y Z 1 1 0.068286693747 0.000000000000 -0.021013743866 0.000000000000 -0.000000005638 0.000000000000 1 2 0.068286693747 0.000000000000 -0.021013743866 0.000000000000 -0.000000005638 0.000000000000 1 3 0.233042073896 0.000000000000 -0.071713626508 0.000000000000 -0.000000019949 0.000000000000 第一個(gè)問(wèn)題,q-pt= 1 0.000000 0.000000 0.000000 0.0588235294 q-pt后面的三個(gè)是q點(diǎn)坐標(biāo),但是第四個(gè)數(shù)字是什么意思? 第二個(gè)問(wèn)題,phonon 的XYZ下各有兩列數(shù),含義是什么? |

新蟲(chóng) (小有名氣)
新蟲(chóng) (小有名氣)
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