# From Psi4
# * https://github.com/psi4/psi4/blob/1.2.x/psi4/driver/qcdb/physconst.py
# * https://github.com/psi4/psi4/blob/1.2.x/psi4/include/psi4/physconst.h

# Do not modify this file! It is auto-generated by the document_options_and_tests
# _ script, from psi4topdir/psi4/include/psi4/physconst.h

# fmt: off

h                         = 6.62606896E-34       # The Planck constant (Js)               
c                         = 2.99792458E8         # Speed of light (ms$^{-1}$)             
kb                        = 1.3806504E-23        # The Boltzmann constant (JK$^{-1}$)     
R                         = 8.314472             # Universal gas constant (JK$^{-1}$mol$^{-1}$) 
bohr2angstroms            = 0.52917720859        # Bohr to Angstroms conversion factor    
bohr2m                    = 0.52917720859E-10    # Bohr to meters conversion factor       
bohr2cm                   = 0.52917720859E-8     # Bohr to centimeters conversion factor  
amu2g                     = 1.660538782E-24      # Atomic mass units to grams conversion factor 
amu2kg                    = 1.660538782E-27      # Atomic mass units to kg conversion factor 
au2amu                    = 5.485799097E-4       # Atomic units (m$@@e$) to atomic mass units conversion factor 
hartree2J                 = 4.359744E-18         # Hartree to joule conversion factor     
hartree2aJ                = 4.359744             # Hartree to attojoule (10$^{-18}$J) conversion factor 
cal2J                     = 4.184                # Calorie to joule conversion factor     
dipmom_au2si              = 8.47835281E-30       # Atomic units to SI units (Cm) conversion factor for dipoles 
dipmom_au2debye           = 2.54174623           # Atomic units to Debye conversion factor for dipoles 
dipmom_debye2si           = 3.335640952E-30      # Debye to SI units (Cm) conversion factor for dipoles 
c_au                      = 137.035999679        # Speed of light in atomic units         
hartree2ev                = 27.21138             # Hartree to eV conversion factor        
hartree2wavenumbers       = 219474.6             # Hartree to cm$^{-1}$ conversion factor 
hartree2kcalmol           = 627.5095             # Hartree to kcal mol$^{-1}$ conversion factor 
hartree2kJmol             = 2625.500             # Hartree to kilojoule mol$^{-1}$ conversion factor 
hartree2MHz               = 6.579684E9           # Hartree to MHz conversion factor       
kcalmol2wavenumbers       = 349.7551             # kcal mol$^{-1}$ to cm$^{-1}$ conversion factor 
e0                        = 8.854187817E-12      # Vacuum permittivity (Fm$^{-1}$)        
na                        = 6.02214179E23        # Avagadro's number                      
me                        = 9.10938215E-31       # Electron rest mass (in kg)             
