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 C2H6O2S (Dimethyl sulfone)

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pV(T+d)Z
 hartrees
Energy at 0K-628.202213
Energy at 298.15K 
HF Energy-628.202213
Nuclear repulsion energy276.077379
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 HSEh1PBE/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 3175 3175 0.63      
2 A1 3073 3073 1.18      
3 A1 1452 1452 3.19      
4 A1 1345 1345 33.05      
5 A1 1200 1200 149.66      
6 A1 1007 1007 3.79      
7 A1 697 697 11.71      
8 A1 500 500 24.21      
9 A1 272 272 2.73      
10 A2 3181 3181 0.00      
11 A2 1440 1440 0.00      
12 A2 927 927 0.00      
13 A2 299 299 0.00      
14 A2 182 182 0.00      
15 B1 3185 3185 1.70      
16 B1 1460 1460 0.43      
17 B1 1399 1399 241.64      
18 B1 988 988 1.75      
19 B1 362 362 0.24      
20 B1 216 216 0.53      
21 B2 3174 3174 0.83      
22 B2 3071 3071 0.33      
23 B2 1442 1442 5.69      
24 B2 1328 1328 22.35      
25 B2 941 941 85.26      
26 B2 753 753 37.91      
27 B2 463 463 33.96      

Unscaled Zero Point Vibrational Energy (zpe) 18764.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18764.2 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 HSEh1PBE/cc-pV(T+d)Z
ABC
0.15493 0.14324 0.13962

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.188
O2 -1.245 0.000 0.904
O3 1.245 0.000 0.904
C4 0.000 1.395 -0.906
C5 0.000 -1.395 -0.906
H6 0.000 2.272 -0.261
H7 0.000 -2.272 -0.261
H8 0.901 1.382 -1.517
H9 -0.901 1.382 -1.517
H10 -0.901 -1.382 -1.517
H11 0.901 -1.382 -1.517

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43621.43621.77311.77312.31602.31602.37262.37262.37262.3726
O21.43622.49062.60242.60242.84052.84053.51772.80872.80873.5177
O31.43622.49062.60242.60242.84052.84052.80873.51773.51772.8087
C41.77312.60242.60242.78991.08943.72361.08811.08812.98272.9827
C51.77312.60242.60242.78993.72361.08942.98272.98271.08811.0881
H62.31602.84052.84051.08943.72364.54431.78371.78373.96803.9680
H72.31602.84052.84053.72361.08944.54433.96803.96801.78371.7837
H82.37263.51772.80871.08812.98271.78373.96801.80113.29952.7645
H92.37262.80873.51771.08812.98271.78373.96801.80112.76453.2995
H102.37262.80873.51772.98271.08813.96801.78373.29952.76451.8011
H112.37263.51772.80872.98271.08813.96801.78372.76453.29951.8011

picture of Dimethyl sulfone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H6 105.516 S1 C4 H8 109.707
S1 C4 H9 109.707 S1 C5 H7 105.516
S1 C5 H10 109.707 S1 C5 H11 109.707
O2 S1 O3 120.245 O2 S1 C4 107.909
O2 S1 C5 107.909 O3 S1 C4 107.909
O3 S1 C5 107.909 C4 S1 C5 103.761
H6 C4 H8 110.004 H6 C4 H9 110.004
H7 C5 H10 110.004 H7 C5 H11 110.004
H8 C4 H9 111.715 H10 C5 H11 111.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.774      
2 O -0.452      
3 O -0.452      
4 C -0.296      
5 C -0.296      
6 H 0.132      
7 H 0.132      
8 H 0.114      
9 H 0.114      
10 H 0.114      
11 H 0.114      


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 -4.389 4.389
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.428 0.000 0.000
y 0.000 -31.601 0.000
z 0.000 0.000 -37.948
Traceless
 xyz
x -7.653 0.000 0.000
y 0.000 8.587 0.000
z 0.000 0.000 -0.933
Polar
3z2-r2-1.867
x2-y2-10.826
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.845 0.000 0.000
y 0.000 7.675 0.000
z 0.000 0.000 7.018


<r2> (average value of r2) Å2
<r2> 125.517
(<r2>)1/2 11.203