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

using model chemistry: CID/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/Def2TZVPP
 hartrees
Energy at 0K-627.422575
Energy at 298.15K 
HF Energy-626.571337
Nuclear repulsion energy278.929881
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 CID/Def2TZVPP
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 3289 3289 0.62      
2 A1 3188 3188 1.17      
3 A1 1537 1537 2.98      
4 A1 1446 1446 31.77      
5 A1 1271 1271 185.79      
6 A1 1069 1069 3.30      
7 A1 755 755 10.11      
8 A1 537 537 34.29      
9 A1 287 287 2.56      
10 A2 3296 3296 0.00      
11 A2 1522 1522 0.00      
12 A2 989 989 0.00      
13 A2 321 321 0.00      
14 A2 201 201 0.00      
15 B1 3301 3301 1.79      
16 B1 1541 1541 0.49      
17 B1 1470 1470 302.50      
18 B1 1052 1052 1.50      
19 B1 386 386 0.69      
20 B1 238 238 0.44      
21 B2 3288 3288 0.41      
22 B2 3186 3186 0.29      
23 B2 1527 1527 4.55      
24 B2 1429 1429 19.65      
25 B2 1001 1001 90.26      
26 B2 812 812 31.95      
27 B2 497 497 47.86      

Unscaled Zero Point Vibrational Energy (zpe) 19716.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19716.8 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 CID/Def2TZVPP
ABC
0.15825 0.14639 0.14214

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.186
O2 -1.229 0.000 0.897
O3 1.229 0.000 0.897
C4 0.000 1.382 -0.898
C5 0.000 -1.382 -0.898
H6 0.000 2.256 -0.264
H7 0.000 -2.256 -0.264
H8 0.892 1.366 -1.504
H9 -0.892 1.366 -1.504
H10 -0.892 -1.366 -1.504
H11 0.892 -1.366 -1.504

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.41991.41991.75621.75622.30032.30032.34902.34902.34902.3490
O21.41992.45852.57702.57702.81912.81913.48252.78282.78283.4825
O31.41992.45852.57702.57702.81912.81912.78283.48253.48252.7828
C41.75622.57702.57702.76381.07953.69251.07821.07822.95222.9522
C51.75622.57702.57702.76383.69251.07952.95222.95221.07821.0782
H62.30032.81912.81911.07953.69254.51171.76721.76723.93103.9310
H72.30032.81912.81913.69251.07954.51173.93103.93101.76721.7672
H82.34903.48252.78281.07822.95221.76723.93101.78333.26322.7328
H92.34902.78283.48251.07822.95221.76723.93101.78332.73283.2632
H102.34902.78283.48252.95221.07823.93101.76723.26322.73281.7833
H112.34903.48252.78282.95221.07823.93101.76722.73283.26321.7833

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 105.945 S1 C4 H8 109.608
S1 C4 H9 109.608 S1 C5 H7 105.945
S1 C5 H10 109.608 S1 C5 H11 109.608
O2 S1 O3 119.929 O2 S1 C4 107.993
O2 S1 C5 107.993 O3 S1 C4 107.993
O3 S1 C5 107.993 C4 S1 C5 103.783
H6 C4 H8 109.972 H6 C4 H9 109.972
H7 C5 H10 109.972 H7 C5 H11 109.972
H8 C4 H9 111.578 H10 C5 H11 111.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability