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All results from a given calculation for H2CS (Thioformaldehyde)

using model chemistry: B1B95/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/CEP-31G
 hartrees
Energy at 0K-16.885710
Energy at 298.15K-16.887081
HF Energy-16.885710
Nuclear repulsion energy14.322710
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 B1B95/CEP-31G
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 3121 2988 30.76      
2 A1 1491 1428 0.77      
3 A1 1033 989 7.62      
4 B1 1029 985 93.10      
5 B2 3236 3098 27.91      
6 B2 1010 967 13.12      

Unscaled Zero Point Vibrational Energy (zpe) 5459.3 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 5227.3 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 B1B95/CEP-31G
ABC
9.59881 0.54883 0.51915

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.607
C2 0.000 0.000 -1.069
H3 0.000 0.933 -1.647
H4 0.000 -0.933 -1.647

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.67562.43912.4391
C21.67561.09781.0978
H32.43911.09781.8669
H42.43911.09781.8669

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 121.757 S1 C2 H4 121.757
H3 C2 H4 116.486
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.002      
2 C -0.446      
3 H 0.224      
4 H 0.224      


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 -2.082 2.082
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.027 0.000 0.000
y 0.000 -19.513 0.000
z 0.000 0.000 -16.556
Traceless
 xyz
x -0.993 0.000 0.000
y 0.000 -1.721 0.000
z 0.000 0.000 2.714
Polar
3z2-r25.429
x2-y20.486
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.496 0.000 0.000
y 0.000 1.722 0.000
z 0.000 0.000 6.262


<r2> (average value of r2) Å2
<r2> 25.415
(<r2>)1/2 5.041