DFT-ulg

In the DFT-ulg method of Kim et al., the correction term takes the form:

$E_{\mathrm{disp}} = -\frac{1}{2} s_{lg}\sum_{i=1}^{N_{at}} \sum_{j=1}^{N_{at}} \sum_{\mathbf{L}} {}^{\prime} \frac{2D_{0}^{ij}(R_{0}^{ij})^{6}}{r_{ij,L}^{6}+b_{lg}(R_{0}^{ij})^{6}}$

where the first two summations are over all $N_{at}$ atoms in the unit cell and the third summation is over all translations of the unit cell ${\mathbf{L}}=(l_1,l_2,l_3)$ where the prime indicates that $i\not=j$ for ${\mathbf{L}}=0$.

Related tags and articles

VDW_RADIUS, VDW_S6, VDW_D, VDW_C6, VDW_R0, LVDW_EWALD, IVDW

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