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All results from a given calculation for CH3SOCH3 (Dimethyl sulfoxide)

using model chemistry: PBE1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-550.158883
Energy at 298.15K-550.165847
HF Energy-550.158883
Nuclear repulsion energy182.833566
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 PBE1PBE/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 A' 3174 3048 3.96 107.44 0.74 0.85
2 A' 3167 3042 6.21 96.24 0.72 0.84
3 A' 3067 2946 4.39 193.10 0.00 0.00
4 A' 1540 1479 34.40 3.26 0.75 0.86
5 A' 1515 1455 5.16 31.53 0.72 0.84
6 A' 1410 1354 23.89 2.31 0.47 0.64
7 A' 1145 1099 94.25 6.15 0.38 0.55
8 A' 1067 1025 32.74 6.89 0.61 0.76
9 A' 993 954 13.57 8.56 0.73 0.84
10 A' 660 634 13.43 22.06 0.11 0.20
11 A' 372 358 6.57 1.34 0.33 0.49
12 A' 304 291 0.91 1.37 0.73 0.84
13 A' 236 226 0.62 0.13 0.61 0.76
14 A" 3171 3045 1.96 30.49 0.75 0.86
15 A" 3164 3039 0.11 10.64 0.75 0.86
16 A" 3066 2944 2.83 0.04 0.75 0.86
17 A" 1520 1460 1.19 41.31 0.75 0.86
18 A" 1498 1438 18.78 4.37 0.75 0.86
19 A" 1389 1334 14.26 3.22 0.75 0.86
20 A" 965 927 7.44 6.70 0.75 0.86
21 A" 932 895 5.78 0.88 0.75 0.86
22 A" 684 657 29.38 12.36 0.75 0.86
23 A" 299 287 5.30 3.11 0.75 0.86
24 A" 182 175 0.02 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17758.2 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 17055.0 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 PBE1PBE/3-21G
ABC
0.23453 0.22237 0.13697

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.253 0.428 0.000
O2 -1.074 1.139 0.000
C3 0.253 -0.808 1.332
C4 0.253 -0.808 -1.332
H5 1.169 -1.406 1.287
H6 1.169 -1.406 -1.287
H7 0.214 -0.272 2.285
H8 0.214 -0.272 -2.285
H9 -0.630 -1.452 1.248
H10 -0.630 -1.452 -1.248

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.50481.81731.81732.42082.42082.39032.39032.42322.4232
O21.50482.70632.70633.62803.62802.97812.97812.90962.9096
C31.81732.70632.66361.09512.83791.09443.65661.09562.8019
C41.81732.70632.66362.83791.09513.65661.09442.80191.0956
H52.42083.62801.09512.83792.57351.78773.86741.80023.1090
H62.42083.62802.83791.09512.57353.86741.78773.10901.8002
H72.39032.97811.09443.65661.78773.86744.57011.78273.8194
H82.39032.97813.65661.09443.86741.78774.57013.81941.7827
H92.42322.90961.09562.80191.80023.10901.78273.81942.4967
H102.42322.90962.80191.09563.10901.80023.81941.78272.4967

picture of Dimethyl sulfoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C3 H5 109.957 S1 C3 H7 107.759
S1 C3 H9 110.109 S1 C4 H6 109.957
S1 C4 H8 107.759 S1 C4 H10 110.109
O2 S1 C3 108.737 O2 S1 C4 108.737
C3 S1 C4 94.252 H5 C3 H7 109.470
H5 C3 H9 110.513 H6 C4 H8 109.470
H6 C4 H10 110.513 H7 C3 H9 108.978
H8 C4 H10 108.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.834      
2 O -0.538      
3 C -0.895      
4 C -0.895      
5 H 0.235      
6 H 0.235      
7 H 0.259      
8 H 0.259      
9 H 0.252      
10 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.158 -2.899 0.000 3.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.487 2.150 0.000
y 2.150 -33.985 0.000
z 0.000 0.000 -28.860
Traceless
 xyz
x -3.065 2.150 0.000
y 2.150 -2.311 0.000
z 0.000 0.000 5.375
Polar
3z2-r210.751
x2-y2-0.502
xy2.150
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.119 -0.831 0.000
y -0.831 5.824 0.000
z 0.000 0.000 6.363


<r2> (average value of r2) Å2
<r2> 102.515
(<r2>)1/2 10.125