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[求助]
vasp手冊中關(guān)于CHGCAR的說明怎么理解
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This file contains the lattice vectors, atomic coordinates, the total charge density multiplied by the volume ρ(r)∗Vcell on the fine FFT-grid (NG(X,Y,Z)F), and the PAW one-center occupancies. CHGCAR can be used to restart VASP from an existing charge density, for visualisation the CHG file should be used, since the PAW-one centre occupancies are difficult to parse. 1.紅色字體部分怎么理解? 假設(shè)對于一個280個原子的超胞,體積為V,F(xiàn)FT為200*200*120,價電子數(shù)1280。那么 ρ(r)乘以的是超胞體積還是每個格點所占的體積(即V/200*200*120)? 2. ρ(r)∗體積不就是電子數(shù)了嗎?但是CHG中的是如此之大,最大的都達(dá)到二千多了,但體系的總的電子數(shù)目才1280個,這如何理解? ———————————————————————————— 我的部分CHG 200 200 192 20.506 20.610 21.071 22.262 24.571 28.168 32.917 38.583 45.244 53.605 64.975 80.907 102.61 130.44 163.92 202.79 248.41 304.75 378.11 475.60 602.94 762.33 951.61 1165.3 1396.7 1640.2 1889.7 2137.6 2371.6 2575.2 2729.5 2817.6 2828.7 2761.3 2623.7 2431.6 2204.1 1958.6 1708.3 1462.0 1226.1 1007.4 813.33 650.06 520.47 423.09 353.14 304.76 272.90 254.46 248.15 253.72 271.39 302.30 349.30 417.14 511.50 637.14 795.77 984.82 1198.2 1428.2 1667.9 1910.3 2146.7 2364.6 2547.6 2678.3 2742.1 2731.2 2647.2 2500.0 2305.4 2080.8 1841.8 1599.9 1363.0 1137.3 928.95 744.73 589.95 466.50 371.94 300.54 245.37 200.43 162.01 128.93 101.53 80.216 64.588 53.405 45.128 38.485 32.818 28.076 24.502 22.224 21.058 20.608 20.506 20.610 21.071 22.262 24.571 28.168 32.917 38.583 45.244 53.605 64.975 80.907 102.61 130.44 163.92 202.79 248.41 304.75 378.11 475.60 602.94 762.33 951.61 1165.3 1396.7 1640.2 1889.7 2137.6 2371.6 2575.2 2729.5 2817.6 2828.7 2761.3 2623.7 2431.6 2204.1 1958.6 1708.3 1462.0 1226.1 1007.4 813.33 650.06 520.47 423.09 353.14 304.76 272.90 254.46 248.15 253.72 271.39 302.30 349.30 417.14 511.50 637.14 795.77 984.82 1198.2 1428.2 1667.9 1910.3 2146.7 2364.6 2547.6 2678.3 2742.1 2731.2 2647.2 2500.0 2305.4 2080.8 1841.8 1599.9 1363.0 1137.3 928.95 744.73 |
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