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All results from a given calculation for H2CS (Thioformaldehyde)

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pV(T+d)Z
 hartrees
Energy at 0K-437.501866
Energy at 298.15K-437.503255
HF Energy-437.501866
Nuclear repulsion energy45.047441
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 mPW1PW91/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 3082 2953 31.72      
2 A1 1495 1432 3.82      
3 A1 1117 1070 14.95      
4 B1 1037 994 41.17      
5 B2 3167 3034 6.50      
6 B2 1005 963 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 5452.0 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 5222.4 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 mPW1PW91/cc-pV(T+d)Z
ABC
9.85646 0.59852 0.56426

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.581
C2 0.000 0.000 -1.018
H3 0.000 0.921 -1.597
H4 0.000 -0.921 -1.597

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.59932.36522.3652
C21.59931.08811.0881
H32.36521.08811.8423
H42.36521.08811.8423

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 122.158 S1 C2 H4 122.158
H3 C2 H4 115.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.094      
2 C -0.168      
3 H 0.131      
4 H 0.131      


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 -1.738 1.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.548 0.000 0.000
y 0.000 -20.162 0.000
z 0.000 0.000 -17.072
Traceless
 xyz
x -0.930 0.000 0.000
y 0.000 -1.852 0.000
z 0.000 0.000 2.783
Polar
3z2-r25.566
x2-y20.615
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.766 0.000 0.000
y 0.000 3.347 0.000
z 0.000 0.000 6.327


<r2> (average value of r2) Å2
<r2> 30.245
(<r2>)1/2 5.500