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

using model chemistry: LSDA/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 LSDA/3-21G
 hartrees
Energy at 0K-622.869643
Energy at 298.15K 
HF Energy-622.869643
Nuclear repulsion energy258.436915
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 LSDA/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 3153 3101 1.15      
2 A1 3029 2979 0.05      
3 A1 1440 1416 6.09      
4 A1 1320 1298 25.09      
5 A1 1037 1020 83.61      
6 A1 933 918 9.84      
7 A1 573 563 23.26      
8 A1 405 399 13.10      
9 A1 238 234 1.69      
10 A2 3151 3099 0.00      
11 A2 1436 1412 0.00      
12 A2 898 883 0.00      
13 A2 190 187 0.00      
14 A2 132 130 0.00      
15 B1 3154 3102 0.54      
16 B1 1454 1430 40.07      
17 B1 1180 1161 80.30      
18 B1 940 924 2.32      
19 B1 273 269 0.78      
20 B1 173 170 0.29      
21 B2 3152 3100 2.51      
22 B2 3026 2977 4.39      
23 B2 1425 1402 23.25      
24 B2 1296 1275 22.67      
25 B2 916 901 34.33      
26 B2 632 622 73.72      
27 B2 312 307 20.27      

Unscaled Zero Point Vibrational Energy (zpe) 17933.4 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 17639.3 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 LSDA/3-21G
ABC
0.12998 0.12875 0.12496

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.206
O2 -1.364 0.000 1.003
O3 1.364 0.000 1.003
C4 0.000 1.421 -1.006
C5 0.000 -1.421 -1.006
H6 0.000 2.342 -0.406
H7 0.000 -2.342 -0.406
H8 0.914 1.346 -1.613
H9 -0.914 1.346 -1.613
H10 -0.914 -1.346 -1.613
H11 0.914 -1.346 -1.613

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.57951.57951.86781.86782.42082.42082.43972.43972.43972.4397
O21.57952.72752.81332.81333.05443.05443.71982.97532.97533.7198
O31.57952.72752.81332.81333.05443.05442.97533.71983.71982.9753
C41.86782.81332.81332.84251.09933.81101.09931.09932.97642.9764
C51.86782.81332.81332.84253.81101.09932.97642.97641.09931.0993
H62.42083.05443.05441.09933.81104.68441.81211.81213.98643.9864
H72.42083.05443.05443.81101.09934.68443.98643.98641.81211.8121
H82.43973.71982.97531.09932.97641.81213.98641.82753.25332.6915
H92.43972.97533.71981.09932.97641.81213.98641.82752.69153.2533
H102.43972.97533.71982.97641.09933.98641.81213.25332.69151.8275
H112.43973.71982.97532.97641.09933.98641.81212.69153.25331.8275

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 106.453 S1 C4 H8 107.800
S1 C4 H9 107.800 S1 C5 H7 106.453
S1 C5 H10 107.800 S1 C5 H11 107.800
O2 S1 O3 119.408 O2 S1 C4 109.107
O2 S1 C5 109.107 O3 S1 C4 109.107
O3 S1 C5 109.107 C4 S1 C5 99.090
H6 C4 H8 111.023 H6 C4 H9 111.023
H7 C5 H10 111.023 H7 C5 H11 111.023
H8 C4 H9 112.450 H10 C5 H11 112.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.229      
2 O -0.507      
3 O -0.507      
4 C -0.946      
5 C -0.946      
6 H 0.298      
7 H 0.298      
8 H 0.270      
9 H 0.270      
10 H 0.270      
11 H 0.270      


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 -4.834 4.834
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.545 0.000 0.000
y 0.000 -32.760 0.000
z 0.000 0.000 -39.494
Traceless
 xyz
x -7.418 0.000 0.000
y 0.000 8.760 0.000
z 0.000 0.000 -1.342
Polar
3z2-r2-2.684
x2-y2-10.785
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.619 0.000 0.000
y 0.000 6.918 0.000
z 0.000 0.000 6.752


<r2> (average value of r2) Å2
<r2> 139.299
(<r2>)1/2 11.803