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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/3-21G
 hartrees
Energy at 0K-625.057741
Energy at 298.15K 
HF Energy-625.057741
Nuclear repulsion energy256.030663
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 B3LYPultrafine/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 3212 3099 0.00      
2 A1 3099 2991 0.93      
3 A1 1506 1453 4.87      
4 A1 1383 1334 8.06      
5 A1 1054 1017 54.60      
6 A1 895 863 30.63      
7 A1 552 533 17.93      
8 A1 395 381 14.84      
9 A1 240 231 1.91      
10 A2 3211 3098 0.00      
11 A2 1506 1453 0.00      
12 A2 942 909 0.00      
13 A2 199 192 0.00      
14 A2 129 124 0.00      
15 B1 3215 3102 0.46      
16 B1 1521 1468 30.40      
17 B1 1137 1097 68.13      
18 B1 960 926 0.07      
19 B1 276 266 1.45      
20 B1 160 154 0.41      
21 B2 3210 3098 0.41      
22 B2 3096 2988 0.11      
23 B2 1494 1441 15.16      
24 B2 1359 1311 3.22      
25 B2 954 921 21.26      
26 B2 619 597 62.61      
27 B2 312 301 26.22      

Unscaled Zero Point Vibrational Energy (zpe) 18317.3 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 17674.4 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 B3LYPultrafine/3-21G
ABC
0.12722 0.12610 0.12196

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.205
O2 -1.377 0.000 1.007
O3 1.377 0.000 1.007
C4 0.000 1.455 -1.011
C5 0.000 -1.455 -1.011
H6 0.000 2.358 -0.401
H7 0.000 -2.358 -0.401
H8 0.907 1.384 -1.611
H9 -0.907 1.384 -1.611
H10 -0.907 -1.384 -1.611
H11 0.907 -1.384 -1.611

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.59361.59361.89571.89572.43422.43422.45582.45582.45582.4558
O21.59362.75422.84322.84323.07193.07193.73902.99742.99743.7390
O31.59362.75422.84322.84323.07193.07192.99743.73903.73902.9974
C41.89572.84322.84322.90921.08953.86061.08941.08943.03923.0392
C51.89572.84322.84322.90923.86061.08953.03923.03921.08941.0894
H62.43423.07193.07191.08953.86064.71501.79811.79814.03484.0348
H72.43423.07193.07193.86061.08954.71504.03484.03481.79811.7981
H82.45583.73902.99741.08943.03921.79814.03481.81373.30852.7670
H92.45582.99743.73901.08943.03921.79814.03481.81372.76703.3085
H102.45582.99743.73903.03921.08944.03481.79813.30852.76701.8137
H112.45583.73902.99743.03921.08944.03481.79812.76703.30851.8137

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 106.080 S1 C4 H8 107.625
S1 C4 H9 107.625 S1 C5 H7 106.080
S1 C5 H10 107.625 S1 C5 H11 107.625
O2 S1 O3 119.567 O2 S1 C4 108.829
O2 S1 C5 108.829 O3 S1 C4 108.829
O3 S1 C5 108.829 C4 S1 C5 100.223
H6 C4 H8 111.222 H6 C4 H9 111.222
H7 C5 H10 111.222 H7 C5 H11 111.222
H8 C4 H9 112.707 H10 C5 H11 112.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.339      
2 O -0.564      
3 O -0.564      
4 C -0.873      
5 C -0.873      
6 H 0.274      
7 H 0.274      
8 H 0.247      
9 H 0.247      
10 H 0.247      
11 H 0.247      


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 -5.067 5.067
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.287 0.000 0.000
y 0.000 -32.521 0.000
z 0.000 0.000 -39.668
Traceless
 xyz
x -8.192 0.000 0.000
y 0.000 9.457 0.000
z 0.000 0.000 -1.264
Polar
3z2-r2-2.528
x2-y2-11.766
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.563 0.000 0.000
y 0.000 7.042 0.000
z 0.000 0.000 6.746


<r2> (average value of r2) Å2
<r2> 141.892
(<r2>)1/2 11.912