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Providing cutting-edge methods and technologies for electronic state calculations and computational chemistry models across a wide range of fields, including chemistry, biochemistry, and physics.

**Main Job Types** ■ SP: Single Point Energy ■ Opt: Structure Optimization ■ Freq: Vibration Analysis and Thermochemical Analysis ■ IRC: Reaction Pathway Exploration ■ IRCMax: Search for Maximum Energy Along a Specific Reaction Pathway ■ Scan: Potential Energy Scan ■ Polar: Polarizability and Hyperpolarizability ■ ADMP and BOMD: Direct Dynamics Trajectory Calculation ■ EET: Excitation Energy Transfer Calculation ■ Force: Calculation of Forces on Nuclei ■ Stable: Reliability Test of Wave Function ■ Volume: Calculation of Molecular Volume ■ Density=Checkpoint Guess=Only: Recalculate Only Population Analysis ■ Guess=Only: Output Only Initial Values (Guess) of Molecular Orbital Coefficients (Generation of Initial Values for Fragment-Based Molecular Orbital Coefficients)

A cutting-edge electronic state calculation program that supports automotive paint development.

**Features** - High-speed processing through GPU-based parallel computation - High-precision calculations using new DFT functionals (M08HX, MN15, MN15L, PW6B95, PW6B95D3) - Property predictions through anharmonic vibrational analysis methods such as DCPT2 and HDCPT2 - Support for NBO7, enabling detailed molecular orbital analysis - Enhanced customization through a Python interface **List of Functions** (Go to the HyLinks page) https://www.hulinks.co.jp/software/gaussian/#function