# Physical constants/conversion factors
ANGSTROM_TO_BOHR = 1.88973
BOHR_TO_ANGSTROM = 1.0/ANGSTROM_TO_BOHR
ANGSTROM_TO_M    = 10e-10
M_TO_ANGSTROM    = 1.0/ANGSTROM_TO_M
BOHR_TO_M        = 5.29177210903e-11
M_TO_BOHR        = 1.0/BOHR_TO_M
RY_TO_EV         = 13.605698065893753
EV_TO_RY         = 1.0/RY_TO_EV
RY_TO_KBAR_AU3   = 5.0*29421.02648438959
KBAR_AU3_TO_RY   = 1.0/RY_TO_KBAR_AU3
RY_TO_CMM1       = 109736.75775046606 
CMM1_TO_RY       = 1.0/RY_TO_CMM1
RY_TO_K          = 157887.6633481157
K_TO_RY          = 1.0/RY_TO_K
EV_TO_J          = 1.60217733000001e-19
J_TO_EV          = 1.0/EV_TO_J
AMU_TO_KG        = 1.6605390660e-27
KG_TO_AMU        = 1.0/AMU_TO_KG
CMM1_TO_HZ       = 29979424760.063602
HZ_TO_CMM1       = 1.0/CMM1_TO_HZ
