chloroform frcmod file MASS CZ 12.01 chloroform CL 35.45 chloroform HZ 1.008 chloroform BOND CZ-HZ 340.0 1.100 CZ-CL 232.4 1.758 ANGL HZ-CZ-CL 38.1 107.68 CL-CZ-CL 77.7 111.3 NONB CZ 1.9080 0.1094 CL 2.0000 0.3250 HZ 1.1870 0.0157