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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: QCISD/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-474.921865
Energy at 298.15K 
HF Energy-474.416235
Nuclear repulsion energy78.786447
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/Def2TZVPP
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 3185 3185 18.66      
2 A1 1828 1828 350.87      
3 A1 1414 1414 0.01      
4 A1 857 857 15.44      
5 B1 746 746 75.89      
6 B1 419 419 5.22      
7 B2 3278 3278 2.37      
8 B2 960 960 0.61      
9 B2 362 362 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 6524.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6524.1 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 QCISD/Def2TZVPP
ABC
9.60271 0.18846 0.18483

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP

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 -0.446
S3 0.000 0.000 1.114
H4 0.000 0.933 -2.301
H5 0.000 -0.933 -2.301

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31192.87171.07981.0798
C21.31191.55982.07662.0766
S32.87171.55983.54013.5401
H41.07982.07663.54011.8665
H51.07982.07663.54011.8665

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 120.201
C2 C1 H5 120.201 H4 C1 H5 119.597
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability