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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-16.916846
Energy at 298.15K-16.918215
Nuclear repulsion energy14.538425
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 3098 2965 35.91      
2 A1 1489 1425 4.16      
3 A1 1094 1048 8.17      
4 B1 1006 963 65.49      
5 B2 3192 3055 20.95      
6 B2 982 940 7.62      

Unscaled Zero Point Vibrational Energy (zpe) 5429.8 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 5197.4 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 B1B95/CEP-31G*
ABC
9.61935 0.57407 0.54174

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 0.594
C2 0.000 0.000 -1.041
H3 0.000 0.932 -1.626
H4 0.000 -0.932 -1.626

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.63432.40732.4073
C21.63431.10081.1008
H32.40731.10081.8649
H42.40731.10081.8649

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 122.111 S1 C2 H4 122.111
H3 C2 H4 115.777
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 -0.135      
2 C -0.302      
3 H 0.219      
4 H 0.219      


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 -1.839 1.839
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.820 0.000 0.000
y 0.000 -19.381 0.000
z 0.000 0.000 -16.013
Traceless
 xyz
x -1.123 0.000 0.000
y 0.000 -1.964 0.000
z 0.000 0.000 3.087
Polar
3z2-r26.175
x2-y20.561
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.841 0.000 0.000
y 0.000 2.227 0.000
z 0.000 0.000 6.151


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000