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

using model chemistry: CCSD/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 CCSD/cc-pV(T+d)Z
 hartrees
Energy at 0K-627.611356
Energy at 298.15K 
HF Energy-626.567227
Nuclear repulsion energy276.455996
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 CCSD/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 3185 3185 1.04      
2 A1 3085 3085 1.55      
3 A1 1482 1482 2.72      
4 A1 1379 1379 27.31      
5 A1 1218 1218 155.04      
6 A1 1025 1025 2.60      
7 A1 719 719 10.82      
8 A1 510 510 28.18      
9 A1 276 276 2.17      
10 A2 3191 3191 0.00      
11 A2 1468 1468 0.00      
12 A2 948 948 0.00      
13 A2 306 306 0.00      
14 A2 187 187 0.00      
15 B1 3195 3195 2.57      
16 B1 1487 1487 0.35      
17 B1 1419 1419 244.58      
18 B1 1009 1009 1.11      
19 B1 369 369 0.69      
20 B1 225 225 0.47      
21 B2 3184 3184 0.22      
22 B2 3083 3083 0.03      
23 B2 1472 1472 4.62      
24 B2 1362 1362 16.73      
25 B2 961 961 79.49      
26 B2 775 775 34.30      
27 B2 473 473 40.09      

Unscaled Zero Point Vibrational Energy (zpe) 18995.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18995.3 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 CCSD/cc-pV(T+d)Z
ABC
0.15490 0.14398 0.14006

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.244 0.000 0.903
O3 1.244 0.000 0.903
C4 0.000 1.389 -0.908
C5 0.000 -1.389 -0.908
H6 0.000 2.272 -0.271
H7 0.000 -2.272 -0.271
H8 0.899 1.370 -1.518
H9 -0.899 1.370 -1.518
H10 -0.899 -1.370 -1.518
H11 0.899 -1.370 -1.518

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43361.43361.77171.77172.31832.31832.36832.36832.36832.3683
O21.43362.48832.60002.60002.84402.84403.51242.80402.80403.5124
O31.43362.48832.60002.60002.84402.84402.80403.51243.51242.8040
C41.77172.60002.60002.77891.08803.71601.08681.08682.96612.9661
C51.77172.60002.60002.77893.71601.08802.96612.96611.08681.0868
H62.31832.84402.84401.08803.71604.54331.78201.78203.95333.9533
H72.31832.84402.84403.71601.08804.54333.95333.95331.78201.7820
H82.36833.51242.80401.08682.96611.78203.95331.79823.27812.7409
H92.36832.80403.51241.08682.96611.78203.95331.79822.74093.2781
H102.36832.80403.51242.96611.08683.95331.78203.27812.74091.7982
H112.36833.51242.80402.96611.08683.95331.78202.74093.27811.7982

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 105.832 S1 C4 H8 109.555
S1 C4 H9 109.555 S1 C5 H7 105.832
S1 C5 H10 109.555 S1 C5 H11 109.555
O2 S1 O3 120.419 O2 S1 C4 107.955
O2 S1 C5 107.955 O3 S1 C4 107.955
O3 S1 C5 107.955 C4 S1 C5 103.300
H6 C4 H8 110.044 H6 C4 H9 110.044
H7 C5 H10 110.044 H7 C5 H11 110.044
H8 C4 H9 111.642 H10 C5 H11 111.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability