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: B3LYPultrafine/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/6-31G**
 hartrees
Energy at 0K-437.465334
Energy at 298.15K-437.466716
HF Energy-437.465334
Nuclear repulsion energy44.604086
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 B3LYPultrafine/6-31G**
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 3082 2961 27.67      
2 A1 1513 1454 8.08      
3 A1 1087 1045 15.13      
4 B1 1031 990 45.43      
5 B2 3170 3046 9.79      
6 B2 1013 973 6.05      

Unscaled Zero Point Vibrational Energy (zpe) 5448.1 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 5234.6 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 B3LYPultrafine/6-31G**
ABC
9.79931 0.58555 0.55253

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.588
C2 0.000 0.000 -1.030
H3 0.000 0.924 -1.612
H4 0.000 -0.924 -1.612

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.61762.38592.3859
C21.61761.09201.0920
H32.38591.09201.8477
H42.38591.09201.8477

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 122.218 S1 C2 H4 122.218
H3 C2 H4 115.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.031      
2 C -0.273      
3 H 0.152      
4 H 0.152      


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 -1.889 1.889
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.414 0.000 0.000
y 0.000 -20.179 0.000
z 0.000 0.000 -17.080
Traceless
 xyz
x -0.785 0.000 0.000
y 0.000 -1.932 0.000
z 0.000 0.000 2.717
Polar
3z2-r25.434
x2-y20.765
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.971 0.000 0.000
y 0.000 2.822 0.000
z 0.000 0.000 5.877


<r2> (average value of r2) Å2
<r2> 30.594
(<r2>)1/2 5.531