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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: QCISD/aug-cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-474.935060
Energy at 298.15K 
HF Energy-474.422063
Nuclear repulsion energy78.736400
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-pV(T+d)Z
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 3180 3180 19.63      
2 A1 1823 1823 364.08      
3 A1 1405 1405 0.03      
4 A1 853 853 15.85      
5 B1 743 743 69.80      
6 B1 416 416 6.24      
7 B2 3270 3270 2.50      
8 B2 955 955 1.01      
9 B2 359 359 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 6501.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6501.3 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 QCISD/aug-cc-pV(T+d)Z
ABC
9.58954 0.18823 0.18461

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.759
C2 0.000 0.000 -0.447
S3 0.000 0.000 1.115
H4 0.000 0.934 -2.302
H5 0.000 -0.934 -2.302

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31172.87321.08041.0804
C21.31171.56162.07672.0767
S32.87321.56163.54183.5418
H41.08042.07673.54181.8678
H51.08042.07673.54181.8678

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 120.185
C2 C1 H5 120.185 H4 C1 H5 119.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability