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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-474.829493
Energy at 298.15K 
HF Energy-474.371941
Nuclear repulsion energy78.785334
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 MP2/6-31G(2df,p)
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 3219 3040 37.77 150.63 0.12 0.21
2 A1 1849 1746 289.68 0.66 0.34 0.51
3 A1 1389 1312 1.68 14.42 0.57 0.73
4 A1 868 820 5.92 27.61 0.23 0.38
5 B1 686 648 78.21 0.40 0.75 0.86
6 B1 441 417 2.32 0.82 0.75 0.86
7 B2 3320 3135 7.55 88.08 0.75 0.86
8 B2 942 890 0.02 0.16 0.75 0.86
9 B2 368 347 1.78 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6540.5 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 6177.5 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 MP2/6-31G(2df,p)
ABC
9.57401 0.18848 0.18484

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.758
C2 0.000 0.000 -0.445
S3 0.000 0.000 1.114
H4 0.000 0.935 -2.302
H5 0.000 -0.935 -2.302

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31312.87151.08171.0817
C21.31311.55852.07952.0795
S32.87151.55853.54163.5416
H41.08172.07953.54161.8693
H51.08172.07953.54161.8693

picture of Thioketene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 180.000 C2 C1 H4 120.225
C2 C1 H5 120.225 H4 C1 H5 119.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability