Returns the coordination geometry of the given mp_symbol.
        :param mp_symbol: The mp_symbol of the coordination geometry.

def get_geometry_from_mp_symbol(self, mp_symbol):
        """
        Returns the coordination geometry of the given mp_symbol.
        :param mp_symbol: The mp_symbol of the coordination geometry.
        """
        for gg in self.cg_list:
            if gg.mp_symbol == mp_symbol:
                return gg
        raise LookupError(
            'No coordination geometry found with mp_symbol "{symbol}"'.format(
                symbol=mp_symbol))