Which charge definition for describing the crystal polarizing field and the χ⁽¹⁾ and χ⁽²⁾ of organic crystals?

Chemistry

• Electric Field 100%
• Molecule 50%
• Procedure 50%
• Electrostatic Potential 50%
• Electrostatic Interaction 50%
• Refractive Index 50%
• Optical Property 50%
• Hyperpolarizability 50%
• Electron Density 50%
• Polarizability 50%
• Chromophore 50%
• Molecular Crystal 50%
• Periodic Boundary Condition 50%
• Crystal Field 50%
• Dielectric Material 50%
• Nonlinear Optical Susceptibility 50%
• Second-Order Nonlinear Optical Susceptibility 50%