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

using model chemistry: B2PLYP=FULL/3-21G

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=FULL/3-21G
 hartrees
Energy at 0K-624.582198
Energy at 298.15K 
HF Energy-624.396638
Nuclear repulsion energy256.418908
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=FULL/3-21G
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 3235 3079 0.03      
2 A1 3121 2971 1.09      
3 A1 1526 1452 4.49      
4 A1 1401 1334 8.23      
5 A1 1066 1015 57.63      
6 A1 914 870 32.20      
7 A1 555 529 22.87      
8 A1 402 382 14.86      
9 A1 243 231 1.54      
10 A2 3233 3078 0.00      
11 A2 1525 1452 0.00      
12 A2 951 905 0.00      
13 A2 200 190 0.00      
14 A2 134 127 0.00      
15 B1 3237 3082 0.30      
16 B1 1540 1466 29.63      
17 B1 1155 1099 73.76      
18 B1 973 927 0.08      
19 B1 279 266 2.24      
20 B1 165 157 0.41      
21 B2 3234 3078 0.48      
22 B2 3118 2968 0.06      
23 B2 1515 1442 14.58      
24 B2 1377 1311 3.22      
25 B2 965 919 21.23      
26 B2 626 596 70.55      
27 B2 317 302 26.57      

Unscaled Zero Point Vibrational Energy (zpe) 18501.7 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 17613.6 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 B2PLYP=FULL/3-21G
ABC
0.12732 0.12671 0.12248

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.206
O2 -1.376 0.000 1.006
O3 1.376 0.000 1.006
C4 0.000 1.449 -1.011
C5 0.000 -1.449 -1.011
H6 0.000 2.353 -0.407
H7 0.000 -2.353 -0.407
H8 0.905 1.374 -1.610
H9 -0.905 1.374 -1.610
H10 -0.905 -1.374 -1.610
H11 0.905 -1.374 -1.610

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.59221.59221.89181.89182.43152.43152.45042.45042.45042.4504
O21.59222.75272.83932.83933.07053.07053.73332.99222.99223.7333
O31.59222.75272.83932.83933.07053.07052.99223.73333.73332.9922
C41.89182.83932.83932.89711.08793.84941.08791.08793.02443.0244
C51.89182.83932.83932.89713.84941.08793.02443.02441.08791.0879
H62.43153.07053.07051.08793.84944.70631.79581.79584.02014.0201
H72.43153.07053.07053.84941.08794.70634.02014.02011.79581.7958
H82.45043.73332.99221.08793.02441.79584.02011.81073.29162.7488
H92.45042.99223.73331.08793.02441.79584.02011.81072.74883.2916
H102.45042.99223.73333.02441.08794.02011.79583.29162.74881.8107
H112.45043.73332.99223.02441.08794.02011.79582.74883.29161.8107

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 106.223 S1 C4 H8 107.563
S1 C4 H9 107.563 S1 C5 H7 106.223
S1 C5 H10 107.563 S1 C5 H11 107.563
O2 S1 O3 119.639 O2 S1 C4 108.865
O2 S1 C5 108.865 O3 S1 C4 108.865
O3 S1 C5 108.865 C4 S1 C5 99.940
H6 C4 H8 111.244 H6 C4 H9 111.244
H7 C5 H10 111.244 H7 C5 H11 111.244
H8 C4 H9 112.651 H10 C5 H11 112.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability