return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3Cl (Methyl chloride)

using model chemistry: QCISD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-499.455668
Energy at 298.15K-499.458624
HF Energy-499.121801
Nuclear repulsion energy50.760026
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3082 2986 25.29      
2 A1 1370 1327 15.28      
3 A1 733 710 26.49      
4 E 3191 3091 5.86      
4 E 3191 3091 5.86      
5 E 1471 1425 4.27      
5 E 1471 1425 4.27      
6 E 1028 996 1.59      
6 E 1028 996 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 8282.7 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 8023.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVDZ
ABC
5.12193 0.43411 0.43411

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.141
Cl2 0.000 0.000 0.664
H3 0.000 1.043 -1.483
H4 0.904 -0.522 -1.483
H5 -0.904 -0.522 -1.483

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.80511.09801.09801.0980
Cl21.80512.38732.38732.3873
H31.09802.38731.80711.8071
H41.09802.38731.80711.8071
H51.09802.38731.80711.8071

picture of Methyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 108.155 Cl2 C1 H4 108.155
Cl2 C1 H5 108.155 H3 C1 H4 110.755
H3 C1 H5 110.755 H4 C1 H5 110.755
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability