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[求助]
求助Forcite 優(yōu)化晶胞結構
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The bonded and the short-range (vander Waals) nonbonded interactions between the atoms were modeledusing the Universal Force Field (UFF). In UFF, bond stretching is described by a harmonic term, angle bending by a three-term Fourier cosine expansion, torsions and inversions by cosine-Fourier expansion terms, and the van der Waals interactions by the Lennard-Jones (LJ) potential. A cutoff distance of 12 Å was used for the LJ interactions.The long-range, electrostatic, interactions, arising from the presence of partial atomic charges, were modeled using a Coulombic term. The Ewald sum method was used to compute the electrostatic interactions. Partial atomic charges were derived from the charge equilibration method (QEq) as implemented in Forcite. 剛接觸forcite ,所以很多不太懂 這段話里面 In UFF, bond stretching angle, bending, torsions and inversions,van der Waals interactions 這些都是怎么設定的 我找不到相關的設置 還有后面的一些描述Ewald sum method, 是在geometry optimization里面設置嗎 跪求各位大神, |
金蟲 (正式寫手)
金蟲 (正式寫手)
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