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: MP3=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP3=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-499.612539
Energy at 298.15K-499.615523
HF Energy-499.148930
Nuclear repulsion energy51.545996
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 MP3=FULL/aug-cc-pVTZ
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 3141 3141 21.22      
2 A1 1415 1415 10.90      
3 A1 770 770 23.04      
4 E 3220 3220 3.10      
4 E 3220 3220 3.10      
5 E 1526 1526 5.89      
5 E 1526 1526 5.89      
6 E 1054 1054 1.87      
6 E 1054 1054 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 8463.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8463.1 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 MP3=FULL/aug-cc-pVTZ
ABC
5.30634 0.44738 0.44738

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.123
Cl2 0.000 0.000 0.655
H3 0.000 1.025 -1.464
H4 0.888 -0.513 -1.464
H5 -0.888 -0.513 -1.464

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.77721.08051.08051.0805
Cl21.77722.35392.35392.3539
H31.08052.35391.77541.7754
H41.08052.35391.77541.7754
H51.08052.35391.77541.7754

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 108.441 Cl2 C1 H4 108.441
Cl2 C1 H5 108.441 H3 C1 H4 110.482
H3 C1 H5 110.482 H4 C1 H5 110.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability