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: TPSSh/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-437.515193
Energy at 298.15K-437.516577
HF Energy-437.515193
Nuclear repulsion energy44.763011
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 TPSSh/aug-cc-pVTZ
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 3058 2951 34.71      
2 A1 1500 1447 4.54      
3 A1 1092 1054 14.01      
4 B1 1031 995 40.11      
5 B2 3139 3030 5.82      
6 B2 1002 967 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 5410.2 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 5222.0 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 TPSSh/aug-cc-pVTZ
ABC
9.81873 0.59011 0.55665

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.585
C2 0.000 0.000 -1.026
H3 0.000 0.923 -1.605
H4 0.000 -0.923 -1.605

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.61172.37662.3766
C21.61171.08921.0892
H32.37661.08921.8458
H42.37661.08921.8458

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 122.077 S1 C2 H4 122.077
H3 C2 H4 115.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.085      
2 C -0.479      
3 H 0.282      
4 H 0.282      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.807 1.807
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.880 0.000 0.000
y 0.000 4.649 0.000
z 0.000 0.000 6.758


<r2> (average value of r2) Å2
<r2> 30.598
(<r2>)1/2 5.532