'HFB':['GGA_X_B88'],#['GGA_X_B88' + Becke’s 1988 exchange functional which includes the Slater exchange along with corrections involving the gradient of the density],
'HFS':['LDA_X'],# Original HK/KS articles? No libxc name...
'HFB86':['GGA_X_B86'],
'HFO':['GGA_X_OPTX'],
'BLYP':['GGA_X_B88','GGA_C_LYP'],
'BPBE':['GGA_X_B88','GGA_C_PBE'],
'B3LYP':['HYB_GGA_XC_B3LYP'],
'B3LYP5':['HYB_GGA_XC_B3LYP5'],
#'B2PLYP': {'LDA_X': 0.47,
# 'HF_X': 1. - 0.47,
# 'GGA_X_B88': 0.47,
# }, # No clue how to set this one
'B86LYP':['GGA_X_B86','GGA_C_LYP'],
'BWIG':['GGA_X_B88','LDA_C_WIGNER'],
'GLYP':['GGA_X_G96','GGA_C_LYP'],
'OLYP':['GGA_X_OPT','GGA_C_LYP'],
'OPBE':['GGA_X_OPT','GGA_C_PBE'],
'O3LYP':['HYB_GGA_XC_O3LYP'],# Or hideous composite thingy?
#'O3LYP': {'HF_X': 0.1161,
# 'LDA_X': 0.9262,
# 'GGA_X_OPT': 0.8133,
# 'GGA_C_VWN': 0.19,
# 'GGA_C_LYP': 0.81}, ?
#'KT3': ['GGA_X_KT...3'], TODO add to nomad xc functionals
'TLYP':['HF_X','GGA_C_LYP'],
'PBE':['GGA_X_PBE','GGA_C_PBE'],
'PBE0':None,# wtf
'PBESOL':['GGA_X_PBE_SOL','GGA_C_PBE_SOL'],
'RGE2':['GGA_X_RGE2','GGA_C_PBE_SOL'],
'PTCA':['GGA_X_PBE','GGA_C_TCA'],
'SSB':['GGA_X_SSB','GGA_C_PBE'],
'M06':['HYB_MGGA_XC_M06'],
'M06L':['MGGA_C_M06_L','MGGA_X_M06_L'],
'M06HF':['HYB_MGGA_XC_M06_HF'],# Is this good enough?
