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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: MP2=FULL/cc-pVDZ

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=FULL/cc-pVDZ
 hartrees
Energy at 0K-474.782282
Energy at 298.15K 
HF Energy-474.380381
Nuclear repulsion energy78.018513
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/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 3206 3047 27.14 168.74 0.12 0.21
2 A1 1837 1746 289.42 1.32 0.02 0.04
3 A1 1379 1311 1.50 12.42 0.58 0.74
4 A1 869 826 3.53 27.47 0.28 0.44
5 B1 655 623 86.69 0.74 0.75 0.86
6 B1 422 401 1.58 0.43 0.75 0.86
7 B2 3314 3150 4.66 103.93 0.75 0.86
8 B2 931 885 0.00 0.35 0.75 0.86
9 B2 358 340 1.97 0.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6486.0 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 6164.3 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/cc-pVDZ
ABC
9.35786 0.18483 0.18125

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.776
C2 0.000 0.000 -0.448
S3 0.000 0.000 1.124
H4 0.000 0.945 -2.324
H5 0.000 -0.945 -2.324

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.32832.90051.09281.0928
C21.32831.57222.10112.1011
S32.90051.57223.57583.5758
H41.09282.10113.57581.8907
H51.09282.10113.57581.8907

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 120.105
C2 C1 H5 120.105 H4 C1 H5 119.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability