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

using model chemistry: B1B95/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/cc-pV(T+d)Z
 hartrees
Energy at 0K-628.507037
Energy at 298.15K 
HF Energy-628.507037
Nuclear repulsion energy276.695261
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 B1B95/cc-pV(T+d)Z
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 3186 3050 0.80      
2 A1 3084 2952 1.28      
3 A1 1457 1395 2.83      
4 A1 1347 1290 33.27      
5 A1 1206 1155 149.97      
6 A1 1006 963 3.94      
7 A1 699 669 11.42      
8 A1 498 477 24.77      
9 A1 268 256 2.54      
10 A2 3193 3056 0.00      
11 A2 1445 1383 0.00      
12 A2 926 886 0.00      
13 A2 296 283 0.00      
14 A2 182 174 0.00      
15 B1 3197 3060 2.02      
16 B1 1465 1402 0.08      
17 B1 1407 1347 242.36      
18 B1 987 945 1.68      
19 B1 357 342 0.28      
20 B1 215 206 0.51      
21 B2 3184 3048 0.67      
22 B2 3082 2950 0.24      
23 B2 1447 1385 5.30      
24 B2 1330 1273 20.54      
25 B2 940 900 86.36      
26 B2 755 723 36.57      
27 B2 461 441 34.66      

Unscaled Zero Point Vibrational Energy (zpe) 18809.0 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 18005.8 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 B1B95/cc-pV(T+d)Z
ABC
0.15563 0.14384 0.14025

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.188
O2 -1.243 0.000 0.901
O3 1.243 0.000 0.901
C4 0.000 1.392 -0.904
C5 0.000 -1.392 -0.904
H6 0.000 2.267 -0.260
H7 0.000 -2.267 -0.260
H8 0.898 1.379 -1.513
H9 -0.898 1.379 -1.513
H10 -0.898 -1.379 -1.513
H11 0.898 -1.379 -1.513

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43301.43301.76951.76952.31072.31072.36662.36662.36662.3666
O21.43302.48552.59682.59682.83412.83413.50912.80172.80173.5091
O31.43302.48552.59682.59682.83412.83412.80173.50913.50912.8017
C41.76952.59682.59682.78441.08633.71531.08491.08492.97592.9759
C51.76952.59682.59682.78443.71531.08632.97592.97591.08491.0849
H62.31072.83412.83411.08633.71534.53371.77901.77903.95833.9583
H72.31072.83412.83413.71531.08634.53373.95833.95831.77901.7790
H82.36663.50912.80171.08492.97591.77903.95831.79613.29122.7579
H92.36662.80173.50911.08492.97591.77903.95831.79612.75793.2912
H102.36662.80173.50912.97591.08493.95831.77903.29122.75791.7961
H112.36663.50912.80172.97591.08493.95831.77902.75793.29121.7961

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 105.509 S1 C4 H8 109.674
S1 C4 H9 109.674 S1 C5 H7 105.509
S1 C5 H10 109.674 S1 C5 H11 109.674
O2 S1 O3 120.279 O2 S1 C4 107.898
O2 S1 C5 107.898 O3 S1 C4 107.898
O3 S1 C5 107.898 C4 S1 C5 103.767
H6 C4 H8 110.031 H6 C4 H9 110.031
H7 C5 H10 110.031 H7 C5 H11 110.031
H8 C4 H9 111.734 H10 C5 H11 111.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.773      
2 O -0.449      
3 O -0.449      
4 C -0.356      
5 C -0.356      
6 H 0.151      
7 H 0.151      
8 H 0.134      
9 H 0.134      
10 H 0.134      
11 H 0.134      


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 -4.382 4.382
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.312 0.000 0.000
y 0.000 -31.493 0.000
z 0.000 0.000 -37.821
Traceless
 xyz
x -7.655 0.000 0.000
y 0.000 8.573 0.000
z 0.000 0.000 -0.918
Polar
3z2-r2-1.836
x2-y2-10.819
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.808 0.000 0.000
y 0.000 7.631 0.000
z 0.000 0.000 6.977


<r2> (average value of r2) Å2
<r2> 124.989
(<r2>)1/2 11.180