def rcmip_2_hector_var(rcmip_2_hector_lut, var_name):
    """
    Get the Hector variable name corresponding to a RCMIP variable name
    
    Params
    -------
    rcmip_2_hector_lut : Pandas DataFrame
        RCMIP to Hector variable look up table
    var_name : str
        Name of the RCMIP variable
        
    Return
    -------
    Pandas Series representing RCMIP --> Hector variable conversion information
        Attributes: hector_component, hector_variable, hector_unit, hector_udunits,
                    rcmip_variable, rcmip_units, rcmip_udunits
    """
    # Get a Pandas series for the lut row. Use iloc[0] to handle case where a hector
    # variable has multiple rows (ffi, luc)
    if (var_name == 'ffi_emissions'):
        rcmip_var = 'Emissions|CO2|MAGICC Fossil and Industrial'
        var_row = rcmip_2_hector_lut.loc[rcmip_2_hector_lut['rcmip_variable'] == rcmip_var].iloc[0]
    elif (var_name == 'luc_emissions'):
        rcmip_var = 'Emissions|CO2|MAGICC AFOLU'
        var_row = rcmip_2_hector_lut.loc[rcmip_2_hector_lut['rcmip_variable'] == rcmip_var].iloc[0]
    else:
        var_row = rcmip_2_hector_lut.loc[rcmip_2_hector_lut['hector_variable'] == var_name].iloc[0]
    return var_row