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

using model chemistry: CID/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-627.096271
Energy at 298.15K 
HF Energy-626.402364
Nuclear repulsion energy273.362043
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/cc-pVDZ
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 3300 3049 0.18      
2 A1 3183 2941 1.87      
3 A1 1505 1391 3.54      
4 A1 1411 1304 18.91      
5 A1 1188 1097 190.80      
6 A1 1049 970 0.04      
7 A1 731 676 9.62      
8 A1 498 460 37.16      
9 A1 278 256 2.20      
10 A2 3305 3054 0.00      
11 A2 1495 1381 0.00      
12 A2 966 892 0.00      
13 A2 298 275 0.00      
14 A2 189 175 0.00      
15 B1 3309 3057 1.57      
16 B1 1511 1396 8.43      
17 B1 1381 1276 252.87      
18 B1 1031 953 0.43      
19 B1 363 335 1.65      
20 B1 223 206 0.64      
21 B2 3299 3048 0.85      
22 B2 3179 2938 0.02      
23 B2 1495 1382 6.30      
24 B2 1394 1288 12.84      
25 B2 985 910 78.54      
26 B2 795 734 41.09      
27 B2 465 430 54.09      

Unscaled Zero Point Vibrational Energy (zpe) 19411.2 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 17935.9 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/cc-pVDZ
ABC
0.15123 0.14027 0.13845

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.187
O2 -1.271 0.000 0.909
O3 1.271 0.000 0.909
C4 0.000 1.400 -0.911
C5 0.000 -1.400 -0.911
H6 0.000 2.281 -0.264
H7 0.000 -2.281 -0.264
H8 0.905 1.383 -1.522
H9 -0.905 1.383 -1.522
H10 -0.905 -1.383 -1.522
H11 0.905 -1.383 -1.522

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46151.46151.77941.77942.32502.32502.37792.37792.37792.3779
O21.46152.54112.62462.62462.86232.86233.54392.82132.82133.5439
O31.46152.54112.62462.62462.86232.86232.82133.54393.54392.8213
C41.77942.62462.62462.79991.09323.73731.09221.09222.98962.9896
C51.77942.62462.62462.79993.73731.09322.98962.98961.09221.0922
H62.32502.86232.86231.09323.73734.56171.79151.79153.97843.9784
H72.32502.86232.86233.73731.09324.56173.97843.97841.79151.7915
H82.37793.54392.82131.09222.98961.79153.97841.81003.30572.7661
H92.37792.82133.54391.09222.98961.79153.97841.81002.76613.3057
H102.37792.82133.54392.98961.09223.97841.79153.30572.76611.8100
H112.37793.54392.82132.98961.09223.97841.79152.76613.30571.8100

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 105.572 S1 C4 H8 109.467
S1 C4 H9 109.467 S1 C5 H7 105.572
S1 C5 H10 109.467 S1 C5 H11 109.467
O2 S1 O3 120.770 O2 S1 C4 107.759
O2 S1 C5 107.759 O3 S1 C4 107.759
O3 S1 C5 107.759 C4 S1 C5 103.772
H6 C4 H8 110.116 H6 C4 H9 110.116
H7 C5 H10 110.116 H7 C5 H11 110.116
H8 C4 H9 111.904 H10 C5 H11 111.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability