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

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-627.227311
Energy at 298.15K 
HF Energy-626.400146
Nuclear repulsion energy271.048874
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 MP2=FULL/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 3237 3076 0.10      
2 A1 3109 2954 1.95      
3 A1 1458 1386 3.42      
4 A1 1341 1275 19.10      
5 A1 1151 1094 158.82      
6 A1 1004 954 1.16      
7 A1 694 660 14.46      
8 A1 471 448 27.65      
9 A1 267 254 1.69      
10 A2 3242 3082 0.00      
11 A2 1446 1374 0.00      
12 A2 915 870 0.00      
13 A2 281 267 0.00      
14 A2 181 172 0.00      
15 B1 3246 3085 1.00      
16 B1 1463 1391 7.06      
17 B1 1347 1280 213.23      
18 B1 982 933 0.85      
19 B1 348 330 1.71      
20 B1 216 206 0.55      
21 B2 3235 3075 1.00      
22 B2 3107 2953 0.01      
23 B2 1448 1376 7.06      
24 B2 1323 1258 15.37      
25 B2 938 892 71.24      
26 B2 751 714 49.27      
27 B2 441 419 39.85      

Unscaled Zero Point Vibrational Energy (zpe) 18821.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 17887.7 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 MP2=FULL/cc-pVDZ
ABC
0.14763 0.13823 0.13705

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.194
O2 -1.290 0.000 0.915
O3 1.290 0.000 0.915
C4 0.000 1.401 -0.922
C5 0.000 -1.401 -0.922
H6 0.000 2.289 -0.274
H7 0.000 -2.289 -0.274
H8 0.911 1.382 -1.536
H9 -0.911 1.382 -1.536
H10 -0.911 -1.382 -1.536
H11 0.911 -1.382 -1.536

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47781.47781.79171.79172.33642.33642.39422.39422.39422.3942
O21.47782.57972.64652.64652.88402.88403.57222.83952.83953.5722
O31.47782.57972.64652.64652.88402.88402.83953.57223.57222.8395
C41.79172.64652.64652.80261.09953.74701.09841.09842.99182.9918
C51.79172.64652.64652.80263.74701.09952.99182.99181.09841.0984
H62.33642.88402.88401.09953.74704.57821.80181.80183.98713.9871
H72.33642.88402.88403.74701.09954.57823.98713.98711.80181.8018
H82.39423.57222.83951.09842.99181.80183.98711.82123.30942.7632
H92.39422.83953.57221.09842.99181.80183.98711.82122.76323.3094
H102.39422.83953.57222.99181.09843.98711.80183.30942.76321.8212
H112.39423.57222.83952.99181.09843.98711.80182.76323.30941.8212

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 105.307 S1 C4 H8 109.527
S1 C4 H9 109.527 S1 C5 H7 105.307
S1 C5 H10 109.527 S1 C5 H11 109.527
O2 S1 O3 121.582 O2 S1 C4 107.703
O2 S1 C5 107.703 O3 S1 C4 107.703
O3 S1 C5 107.703 C4 S1 C5 102.910
H6 C4 H8 110.132 H6 C4 H9 110.132
H7 C5 H10 110.132 H7 C5 H11 110.132
H8 C4 H9 111.997 H10 C5 H11 111.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability