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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-493.787633
Energy at 298.15K-493.790605
HF Energy-493.722175
Nuclear repulsion energy50.245501
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 MP2=FULL/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3376 3001 0.04 33.87 0.03 0.05
2 A1 1550 1378 13.58 2.35 0.66 0.79
3 A1 883 785 14.78 14.65 0.33 0.50
4 E 3569 3172 0.00 24.00 0.75 0.86
4 E 3569 3172 0.00 24.00 0.75 0.86
5 E 1681 1494 3.50 15.66 0.75 0.86
5 E 1681 1494 3.50 15.66 0.75 0.86
6 E 1116 992 0.00 4.91 0.75 0.86
6 E 1116 992 0.00 4.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9270.0 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 8240.1 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 MP2=FULL/STO-3G
ABC
5.09651 0.42430 0.42430

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.151
Cl2 0.000 0.000 0.673
H3 0.000 1.046 -1.508
H4 0.906 -0.523 -1.508
H5 -0.906 -0.523 -1.508

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.82401.10521.10521.1052
Cl21.82402.41882.41882.4188
H31.10522.41881.81161.8116
H41.10522.41881.81161.8116
H51.10522.41881.81161.8116

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 108.844 Cl2 C1 H4 108.844
Cl2 C1 H5 108.844 H3 C1 H4 110.091
H3 C1 H5 110.091 H4 C1 H5 110.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability