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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/Def2TZVPP
 hartrees
Energy at 0K-628.331737
Energy at 298.15K 
HF Energy-627.928928
Nuclear repulsion energy275.170504
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 B2PLYP=FULLultrafine/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 3181 3181 0.88      
2 A1 3081 3081 1.84      
3 A1 1475 1475 2.88      
4 A1 1363 1363 19.07      
5 A1 1173 1173 155.20      
6 A1 1015 1015 1.12      
7 A1 686 686 11.29      
8 A1 491 491 24.19      
9 A1 271 271 2.45      
10 A2 3185 3185 0.00      
11 A2 1461 1461 0.00      
12 A2 940 940 0.00      
13 A2 300 300 0.00      
14 A2 181 181 0.00      
15 B1 3189 3189 2.22      
16 B1 1478 1478 4.70      
17 B1 1365 1365 233.60      
18 B1 998 998 0.85      
19 B1 361 361 0.42      
20 B1 215 215 0.42      
21 B2 3179 3179 0.52      
22 B2 3078 3078 0.04      
23 B2 1465 1465 5.71      
24 B2 1348 1348 15.10      
25 B2 947 947 70.70      
26 B2 748 748 42.84      
27 B2 459 459 34.62      

Unscaled Zero Point Vibrational Energy (zpe) 18816.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18816.4 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 B2PLYP=FULLultrafine/Def2TZVPP
ABC
0.15358 0.14235 0.13880

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.252 0.000 0.907
O3 1.252 0.000 0.907
C4 0.000 1.398 -0.911
C5 0.000 -1.398 -0.911
H6 0.000 2.275 -0.270
H7 0.000 -2.275 -0.270
H8 0.898 1.381 -1.520
H9 -0.898 1.381 -1.520
H10 -0.898 -1.381 -1.520
H11 0.898 -1.381 -1.520

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.44291.44291.77941.77942.32122.32122.37402.37402.37402.3740
O21.44292.50332.61302.61302.85122.85123.52422.81492.81493.5242
O31.44292.50332.61302.61302.85122.85122.81493.52423.52422.8149
C41.77942.61302.61302.79681.08633.72931.08531.08532.98372.9837
C51.77942.61302.61302.79683.72931.08632.98372.98371.08531.0853
H62.32122.85122.85121.08633.72934.55071.78031.78033.96723.9672
H72.32122.85122.85123.72931.08634.55073.96723.96721.78031.7803
H82.37403.52422.81491.08532.98371.78033.96721.79623.29472.7620
H92.37402.81493.52421.08532.98371.78033.96721.79622.76203.2947
H102.37402.81493.52422.98371.08533.96721.78033.29472.76201.7962
H112.37403.52422.81492.98371.08533.96721.78032.76203.29471.7962

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 105.630 S1 C4 H8 109.536
S1 C4 H9 109.536 S1 C5 H7 105.630
S1 C5 H10 109.536 S1 C5 H11 109.536
O2 S1 O3 120.332 O2 S1 C4 107.916
O2 S1 C5 107.916 O3 S1 C4 107.916
O3 S1 C5 107.916 C4 S1 C5 103.605
H6 C4 H8 110.133 H6 C4 H9 110.133
H7 C5 H10 110.133 H7 C5 H11 110.133
H8 C4 H9 111.691 H10 C5 H11 111.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability