return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for H2CS (Thioformaldehyde)

using model chemistry: B2PLYP=FULLultrafine/daug-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 B2PLYP=FULLultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-437.294529
Energy at 298.15K 
HF Energy-437.195426
Nuclear repulsion energy44.386466
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 B2PLYP=FULLultrafine/daug-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 3091 3091 30.60 153.17 0.10 0.19
2 A1 1488 1488 3.60 4.77 0.74 0.85
3 A1 1075 1075 10.23 36.06 0.11 0.20
4 B1 1032 1032 41.27 0.05 0.75 0.86
5 B2 3189 3189 4.29 115.55 0.75 0.86
6 B2 1002 1002 2.16 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5438.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5438.3 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 B2PLYP=FULLultrafine/daug-cc-pVDZ
ABC
9.65691 0.58002 0.54716

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.590
C2 0.000 0.000 -1.036
H3 0.000 0.931 -1.614
H4 0.000 -0.931 -1.614

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.62672.39302.3930
C21.62671.09541.0954
H32.39301.09541.8612
H42.39301.09541.8612

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 121.839 S1 C2 H4 121.839
H3 C2 H4 116.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability