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: BLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-620.637766
Energy at 298.15K 
HF Energy-620.637766
Nuclear repulsion energy243.088426
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/STO-3G
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 3413 3157 0.51      
2 A1 3195 2956 7.91      
3 A1 1593 1474 0.84      
4 A1 1296 1199 0.58      
5 A1 907 839 50.71      
6 A1 819 758 2.38      
7 A1 507 469 29.30      
8 A1 274 253 5.62      
9 A1 194 180 0.57      
10 A2 3409 3154 0.00      
11 A2 1595 1476 0.00      
12 A2 794 734 0.00      
13 A2 188 174 0.00      
14 A2 15 14 0.00      
15 B1 3411 3156 1.57      
16 B1 1600 1480 4.66      
17 B1 1023 946 37.32      
18 B1 807 747 2.21      
19 B1 256 237 1.94      
20 B1 76 71 0.02      
21 B2 3411 3156 0.42      
22 B2 3192 2954 21.02      
23 B2 1590 1471 1.86      
24 B2 1276 1180 12.25      
25 B2 794 734 17.53      
26 B2 488 451 94.53      
27 B2 252 233 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 18185.8 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 16825.5 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/STO-3G
ABC
0.11529 0.11236 0.10609

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.270
O2 -1.429 0.000 1.073
O3 1.429 0.000 1.073
C4 0.000 1.539 -1.121
C5 0.000 -1.539 -1.121
H6 0.000 2.490 -0.559
H7 0.000 -2.490 -0.559
H8 0.916 1.428 -1.731
H9 -0.916 1.428 -1.731
H10 -0.916 -1.428 -1.731
H11 0.916 -1.428 -1.731

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.63901.63902.07422.07422.62462.62462.62342.62342.62342.6234
O21.63902.85753.03683.03683.30243.30243.92413.18843.18843.9241
O31.63902.85753.03683.03683.30243.30243.18843.92413.92413.1884
C42.07423.03683.03683.07731.10554.06821.10581.10583.16433.1643
C52.07423.03683.03683.07734.06821.10553.16433.16431.10581.1058
H62.62463.30243.30241.10554.06824.98091.82791.82794.19154.1915
H72.62463.30243.30244.06821.10554.98094.19154.19151.82791.8279
H82.62343.92413.18841.10583.16431.82794.19151.83133.39312.8565
H92.62343.18843.92411.10583.16431.82794.19151.83132.85653.3931
H102.62343.18843.92413.16431.10584.19151.82793.39312.85651.8313
H112.62343.92413.18843.16431.10584.19151.82792.85653.39311.8313

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 107.310 S1 C4 H8 107.208
S1 C4 H9 107.208 S1 C5 H7 107.310
S1 C5 H10 107.208 S1 C5 H11 107.208
O2 S1 O3 121.319 O2 S1 C4 109.183
O2 S1 C5 109.183 O3 S1 C4 109.183
O3 S1 C5 109.183 C4 S1 C5 95.774
H6 C4 H8 111.506 H6 C4 H9 111.506
H7 C5 H10 111.506 H7 C5 H11 111.506
H8 C4 H9 111.803 H10 C5 H11 111.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.707      
2 O -0.295      
3 O -0.295      
4 C -0.283      
5 C -0.283      
6 H 0.076      
7 H 0.076      
8 H 0.074      
9 H 0.074      
10 H 0.074      
11 H 0.074      


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 -2.125 2.125
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.150 0.000 0.000
y 0.000 -32.207 0.000
z 0.000 0.000 -35.284
Traceless
 xyz
x -4.404 0.000 0.000
y 0.000 4.510 0.000
z 0.000 0.000 -0.106
Polar
3z2-r2-0.211
x2-y2-5.943
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.672 0.000 0.000
y 0.000 5.848 0.000
z 0.000 0.000 5.440


<r2> (average value of r2) Å2
<r2> 154.258
(<r2>)1/2 12.420