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All results from a given calculation for C2H6O2S (Dimethyl sulfone)

using model chemistry: HSEh1PBE/3-21G

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/3-21G
 hartrees
Energy at 0K-624.684921
Energy at 298.15K 
HF Energy-624.684921
Nuclear repulsion energy258.255381
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/3-21G
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 3232 3113 0.44      
2 A1 3113 2999 0.37      
3 A1 1502 1447 5.89      
4 A1 1394 1343 14.80      
5 A1 1071 1032 64.64      
6 A1 922 888 27.91      
7 A1 588 566 16.78      
8 A1 407 392 17.80      
9 A1 245 236 2.13      
10 A2 3233 3115 0.00      
11 A2 1502 1446 0.00      
12 A2 954 919 0.00      
13 A2 203 195 0.00      
14 A2 139 134 0.00      
15 B1 3237 3118 0.02      
16 B1 1518 1462 37.11      
17 B1 1167 1124 75.63      
18 B1 979 943 0.16      
19 B1 283 273 1.40      
20 B1 175 168 0.44      
21 B2 3231 3112 1.51      
22 B2 3111 2997 0.86      
23 B2 1489 1434 18.87      
24 B2 1370 1320 10.43      
25 B2 967 932 27.68      
26 B2 658 634 62.75      
27 B2 323 311 29.40      

Unscaled Zero Point Vibrational Energy (zpe) 18505.4 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 17826.3 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 HSEh1PBE/3-21G
ABC
0.12932 0.12861 0.12485

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.199
O2 -1.368 0.000 0.999
O3 1.368 0.000 0.999
C4 0.000 1.433 -0.998
C5 0.000 -1.433 -0.998
H6 0.000 2.340 -0.392
H7 0.000 -2.340 -0.392
H8 0.907 1.368 -1.600
H9 -0.907 1.368 -1.600
H10 -0.907 -1.368 -1.600
H11 0.907 -1.368 -1.600

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.58491.58491.86701.86702.41322.41322.43452.43452.43452.4345
O21.58492.73652.81282.81283.04643.04643.71442.97242.97243.7144
O31.58492.73652.81282.81283.04643.04642.97243.71443.71442.9724
C41.86702.81282.81282.86631.09053.82131.09011.09013.00483.0048
C51.86702.81282.81282.86633.82131.09053.00483.00481.09011.0901
H62.41323.04643.04641.09053.82134.67971.79591.79594.00334.0033
H72.41323.04643.04643.82131.09054.67974.00334.00331.79591.7959
H82.43453.71442.97241.09013.00481.79594.00331.81323.28182.7355
H92.43452.97243.71441.09013.00481.79594.00331.81322.73553.2818
H102.43452.97243.71443.00481.09014.00331.79593.28182.73551.8132
H112.43453.71442.97243.00481.09014.00331.79592.73553.28181.8132

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 106.391 S1 C4 H8 107.927
S1 C4 H9 107.927 S1 C5 H7 106.391
S1 C5 H10 107.927 S1 C5 H11 107.927
O2 S1 O3 119.375 O2 S1 C4 108.873
O2 S1 C5 108.873 O3 S1 C4 108.873
O3 S1 C5 108.873 C4 S1 C5 100.282
H6 C4 H8 110.892 H6 C4 H9 110.892
H7 C5 H10 110.892 H7 C5 H11 110.892
H8 C4 H9 112.530 H10 C5 H11 112.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.391      
2 O -0.579      
3 O -0.579      
4 C -0.963      
5 C -0.963      
6 H 0.302      
7 H 0.302      
8 H 0.273      
9 H 0.273      
10 H 0.273      
11 H 0.273      


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 -5.212 5.212
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.407 0.000 0.000
y 0.000 -32.362 0.000
z 0.000 0.000 -39.691
Traceless
 xyz
x -8.381 0.000 0.000
y 0.000 9.687 0.000
z 0.000 0.000 -1.306
Polar
3z2-r2-2.613
x2-y2-12.045
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.473 0.000 0.000
y 0.000 6.777 0.000
z 0.000 0.000 6.573


<r2> (average value of r2) Å2
<r2> 139.647
(<r2>)1/2 11.817