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

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-625.206332
Energy at 298.15K 
HF Energy-625.206332
Nuclear repulsion energy267.565346
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 BLYP/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 3081 3061 3.94      
2 A1 2997 2978 2.83      
3 A1 1492 1483 2.71      
4 A1 1375 1366 11.71      
5 A1 1105 1098 135.79      
6 A1 998 991 0.77      
7 A1 606 602 19.38      
8 A1 456 453 13.95      
9 A1 270 269 2.15      
10 A2 3083 3063 0.00      
11 A2 1479 1470 0.00      
12 A2 936 930 0.00      
13 A2 256 255 0.00      
14 A2 187 185 0.00      
15 B1 3089 3068 9.44      
16 B1 1495 1485 16.03      
17 B1 1307 1299 140.76      
18 B1 989 982 2.74      
19 B1 336 334 0.51      
20 B1 212 211 0.49      
21 B2 3079 3059 0.12      
22 B2 2994 2975 0.54      
23 B2 1482 1472 12.05      
24 B2 1360 1351 14.29      
25 B2 944 938 49.35      
26 B2 679 675 81.62      
27 B2 398 396 19.63      

Unscaled Zero Point Vibrational Energy (zpe) 18342.3 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 18223.1 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 BLYP/3-21G*
ABC
0.14249 0.13642 0.13153

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.209
O2 -1.294 0.000 0.943
O3 1.294 0.000 0.943
C4 0.000 1.414 -0.954
C5 0.000 -1.414 -0.954
H6 0.000 2.327 -0.339
H7 0.000 -2.327 -0.339
H8 0.906 1.391 -1.577
H9 -0.906 1.391 -1.577
H10 -0.906 -1.391 -1.577
H11 0.906 -1.391 -1.577

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.48771.48771.83101.83102.39052.39052.43822.43822.43822.4382
O21.48772.58772.69702.69702.95502.95503.62282.90472.90473.6228
O31.48772.58772.69702.69702.95502.95502.90473.62283.62282.9047
C41.83102.69702.69702.82851.10063.79141.09951.09953.01293.0129
C51.83102.69702.69702.82853.79141.10063.01293.01291.09951.0995
H62.39052.95502.95501.10063.79144.65381.79701.79704.02194.0219
H72.39052.95502.95503.79141.10064.65384.02194.02191.79701.7970
H82.43823.62282.90471.09953.01291.79704.02191.81133.31962.7819
H92.43822.90473.62281.09953.01291.79704.02191.81132.78193.3196
H102.43822.90473.62283.01291.09954.02191.79703.31962.78191.8113
H112.43823.62282.90473.01291.09954.02191.79702.78193.31961.8113

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 106.590 S1 C4 H8 110.094
S1 C4 H9 110.094 S1 C5 H7 106.590
S1 C5 H10 110.094 S1 C5 H11 110.094
O2 S1 O3 120.845 O2 S1 C4 108.270
O2 S1 C5 108.270 O3 S1 C4 108.270
O3 S1 C5 108.270 C4 S1 C5 101.142
H6 C4 H8 109.530 H6 C4 H9 109.530
H7 C5 H10 109.530 H7 C5 H11 109.530
H8 C4 H9 110.905 H10 C5 H11 110.905
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.082      
2 O -0.427      
3 O -0.427      
4 C -0.783      
5 C -0.783      
6 H 0.239      
7 H 0.239      
8 H 0.215      
9 H 0.215      
10 H 0.215      
11 H 0.215      


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 -3.983 3.983
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.050 0.000 0.000
y 0.000 -32.401 0.000
z 0.000 0.000 -38.188
Traceless
 xyz
x -6.756 0.000 0.000
y 0.000 7.718 0.000
z 0.000 0.000 -0.962
Polar
3z2-r2-1.924
x2-y2-9.649
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.991 0.000 0.000
y 0.000 6.499 0.000
z 0.000 0.000 6.057


<r2> (average value of r2) Å2
<r2> 132.119
(<r2>)1/2 11.494