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

using model chemistry: CID/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 CID/cc-pV(T+d)Z
 hartrees
Energy at 0K-627.421996
Energy at 298.15K 
HF Energy-626.568699
Nuclear repulsion energy278.952917
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-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 3286 3286 0.70      
2 A1 3185 3185 1.13      
3 A1 1536 1536 3.17      
4 A1 1443 1443 34.25      
5 A1 1278 1278 179.24      
6 A1 1068 1068 3.61      
7 A1 756 756 10.75      
8 A1 539 539 33.88      
9 A1 288 288 2.48      
10 A2 3293 3293 0.00      
11 A2 1523 1523 0.00      
12 A2 990 990 0.00      
13 A2 321 321 0.00      
14 A2 201 201 0.00      
15 B1 3298 3298 2.01      
16 B1 1542 1542 0.03      
17 B1 1480 1480 290.88      
18 B1 1054 1054 1.46      
19 B1 386 386 0.72      
20 B1 238 238 0.53      
21 B2 3284 3284 0.41      
22 B2 3182 3182 0.25      
23 B2 1527 1527 4.40      
24 B2 1426 1426 20.38      
25 B2 1002 1002 91.87      
26 B2 813 813 32.57      
27 B2 498 498 47.68      

Unscaled Zero Point Vibrational Energy (zpe) 19716.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19716.6 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-pV(T+d)Z
ABC
0.15827 0.14638 0.14213

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.187
O2 -1.229 0.000 0.896
O3 1.229 0.000 0.896
C4 0.000 1.382 -0.898
C5 0.000 -1.382 -0.898
H6 0.000 2.257 -0.266
H7 0.000 -2.257 -0.266
H8 0.892 1.367 -1.505
H9 -0.892 1.367 -1.505
H10 -0.892 -1.367 -1.505
H11 0.892 -1.367 -1.505

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.41891.41891.75711.75712.30192.30192.35062.35062.35062.3506
O21.41892.45832.57672.57672.82022.82023.48262.78292.78293.4826
O31.41892.45832.57672.57672.82022.82022.78293.48263.48262.7829
C41.75712.57672.57672.76371.07983.69341.07841.07842.95282.9528
C51.75712.57672.57672.76373.69341.07982.95282.95281.07841.0784
H62.30192.82022.82021.07983.69344.51381.76691.76693.93233.9323
H72.30192.82022.82023.69341.07984.51383.93233.93231.76691.7669
H82.35063.48262.78291.07842.95281.76693.93231.78343.26422.7340
H92.35062.78293.48261.07842.95281.76693.93231.78342.73403.2642
H102.35062.78293.48262.95281.07843.93231.76693.26422.73401.7834
H112.35063.48262.78292.95281.07843.93231.76692.73403.26421.7834

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 105.991 S1 C4 H8 109.660
S1 C4 H9 109.660 S1 C5 H7 105.991
S1 C5 H10 109.660 S1 C5 H11 109.660
O2 S1 O3 120.058 O2 S1 C4 107.972
O2 S1 C5 107.972 O3 S1 C4 107.972
O3 S1 C5 107.972 C4 S1 C5 103.709
H6 C4 H8 109.912 H6 C4 H9 109.912
H7 C5 H10 109.912 H7 C5 H11 109.912
H8 C4 H9 111.552 H10 C5 H11 111.552
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability