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return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for (Thioformaldehyde)

using model chemistry: B3LYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 2B1
1 2 yes CS 2A'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-437.464041
Energy at 298.15K 
HF Energy-437.464041
Nuclear repulsion energy42.221210
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 B3LYP/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 3046 2925 161.05      
2 A1 1457 1399 44.23      
3 A1 853 819 6.11      
4 B1 173i 166i 75.46      
5 B2 3111 2988 124.53      
6 B2 944 907 4.90      

Unscaled Zero Point Vibrational Energy (zpe) 4618.5 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 4435.2 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 B3LYP/6-31G*
ABC
9.74546 0.51555 0.48965

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.626
C2 0.000 0.000 -1.106
H3 0.000 0.926 -1.687
H4 0.000 -0.926 -1.687

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.73182.49182.4918
C21.73181.09371.0937
H32.49181.09371.8528
H42.49181.09371.8528

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 122.112 S1 C2 H4 122.112
H3 C2 H4 115.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.624      
2 C -0.473      
3 H 0.048      
4 H 0.048      


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 -1.344 1.344
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.871 0.000 0.000
y 0.000 -24.093 0.000
z 0.000 0.000 -26.232
Traceless
 xyz
x 0.292 0.000 0.000
y 0.000 1.458 0.000
z 0.000 0.000 -1.750
Polar
3z2-r2-3.500
x2-y2-0.778
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.200 0.000 0.000
y 0.000 3.268 0.000
z 0.000 0.000 6.645


<r2> (average value of r2) Å2
<r2> 36.672
(<r2>)1/2 6.056

Conformer 2 (CS)

Jump to S1C1
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-437.464065
Energy at 298.15K-437.464893
HF Energy-437.464065
Nuclear repulsion energy42.205315
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 B3LYP/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 A' 3035 2915 167.14      
2 A' 1457 1399 44.62      
3 A' 851 817 6.44      
4 A' 240 231 71.08      
5 A" 3100 2977 129.40      
6 A" 950 912 4.80      

Unscaled Zero Point Vibrational Energy (zpe) 4816.2 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 4625.0 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 B3LYP/6-31G*
ABC
9.65586 0.51525 0.48983

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.010 -0.625 0.000
C2 -0.010 1.108 0.000
H3 0.114 1.681 0.924
H4 0.114 1.681 -0.924

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.73322.48762.4876
C21.73321.09461.0946
H32.48761.09461.8486
H42.48761.09461.8486

picture of Thioformaldehyde state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 121.568 S1 C2 H4 121.568
H3 C2 H4 115.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.624      
2 C -0.472      
3 H 0.048      
4 H 0.048      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.240 1.320 0.000 1.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.845 0.276 0.000
y 0.276 -26.299 0.000
z 0.000 0.000 -24.118
Traceless
 xyz
x 0.363 0.276 0.000
y 0.276 -1.817 0.000
z 0.000 0.000 1.454
Polar
3z2-r22.909
x2-y21.454
xy0.276
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.217 0.047 0.000
y 0.047 6.662 0.000
z 0.000 0.000 3.274


<r2> (average value of r2) Å2
<r2> 36.678
(<r2>)1/2 6.056