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

using model chemistry: QCISD(T)/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 QCISD(T)/Def2TZVPP
 hartrees
Energy at 0K-627.658088
Energy at 298.15K 
HF Energy-626.568396
Nuclear repulsion energy275.203326
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 QCISD(T)/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 3167 3167        
2 A1 3064 3064        
3 A1 1466 1466        
4 A1 1358 1358        
5 A1 1180 1180        
6 A1 1008 1008        
7 A1 697 697        
8 A1 492 492        
9 A1 270 270        
10 A2 3171 3171        
11 A2 1451 1451        
12 A2 928 928        
13 A2 297 297        
14 A2 179 179        
15 B1 3175 3175        
16 B1 1470 1470        
17 B1 1377 1377        
18 B1 988 988        
19 B1 360 360        
20 B1 212 212        
21 B2 3166 3166        
22 B2 3062 3062        
23 B2 1457 1457        
24 B2 1342 1342        
25 B2 940 940        
26 B2 755 755        
27 B2 458 458        

Unscaled Zero Point Vibrational Energy (zpe) 18743.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18743.0 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 QCISD(T)/Def2TZVPP
ABC
0.15321 0.14277 0.13910

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.253 0.000 0.908
O3 1.253 0.000 0.908
C4 0.000 1.394 -0.913
C5 0.000 -1.394 -0.913
H6 0.000 2.275 -0.272
H7 0.000 -2.275 -0.272
H8 0.901 1.371 -1.523
H9 -0.901 1.371 -1.523
H10 -0.901 -1.371 -1.523
H11 0.901 -1.371 -1.523

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.44311.44311.77781.77782.32172.32172.37292.37292.37292.3729
O21.44312.50512.61252.61252.85262.85263.52522.81292.81293.5252
O31.44312.50512.61252.61252.85262.85262.81293.52523.52522.8129
C41.77782.61252.61252.78701.08963.72401.08851.08852.97132.9713
C51.77782.61252.61252.78703.72401.08962.97132.97131.08851.0885
H62.32172.85262.85261.08963.72404.55001.78681.78683.95873.9587
H72.32172.85262.85263.72401.08964.55003.95873.95871.78681.7868
H82.37293.52522.81291.08852.97131.78683.95871.80243.28182.7426
H92.37292.81293.52521.08852.97131.78683.95871.80242.74263.2818
H102.37292.81293.52522.97131.08853.95871.78683.28182.74261.8024
H112.37293.52522.81292.97131.08853.95871.78682.74263.28181.8024

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 105.611 S1 C4 H8 109.393
S1 C4 H9 109.393 S1 C5 H7 105.611
S1 C5 H10 109.393 S1 C5 H11 109.393
O2 S1 O3 120.447 O2 S1 C4 107.962
O2 S1 C5 107.962 O3 S1 C4 107.962
O3 S1 C5 107.962 C4 S1 C5 103.227
H6 C4 H8 110.241 H6 C4 H9 110.241
H7 C5 H10 110.241 H7 C5 H11 110.241
H8 C4 H9 111.769 H10 C5 H11 111.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability