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

using model chemistry: LSDA/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-626.365017
Energy at 298.15K 
HF Energy-626.365017
Nuclear repulsion energy274.399248
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 LSDA/aug-cc-pVTZ
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 3099 3070 0.43      
2 A1 2990 2962 0.37      
3 A1 1374 1361 3.86      
4 A1 1261 1250 39.51      
5 A1 1140 1129 130.50      
6 A1 960 951 4.18      
7 A1 677 671 9.98      
8 A1 463 458 20.89      
9 A1 256 253 3.03      
10 A2 3105 3076 0.00      
11 A2 1360 1347 0.00      
12 A2 874 866 0.00      
13 A2 278 275 0.00      
14 A2 171 169 0.00      
15 B1 3108 3079 0.40      
16 B1 1382 1369 0.74      
17 B1 1325 1312 244.25      
18 B1 934 925 2.41      
19 B1 336 333 0.07      
20 B1 204 202 0.47      
21 B2 3098 3069 4.52      
22 B2 2988 2960 3.04      
23 B2 1360 1347 7.71      
24 B2 1244 1233 33.05      
25 B2 897 889 78.56      
26 B2 728 721 28.86      
27 B2 432 428 29.09      

Unscaled Zero Point Vibrational Energy (zpe) 18022.0 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 17852.6 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 LSDA/aug-cc-pVTZ
ABC
0.15242 0.14179 0.13946

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.184
O2 -1.262 0.000 0.909
O3 1.262 0.000 0.909
C4 0.000 1.393 -0.908
C5 0.000 -1.393 -0.908
H6 0.000 2.272 -0.251
H7 0.000 -2.272 -0.251
H8 0.910 1.375 -1.520
H9 -0.910 1.375 -1.520
H10 -0.910 -1.375 -1.520
H11 0.910 -1.375 -1.520

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45581.45581.76981.76982.31312.31312.37082.37082.37082.3708
O21.45582.52452.61452.61452.84612.84613.53662.81332.81333.5366
O31.45582.52452.61452.61452.84612.84612.81333.53663.53662.8133
C41.76982.61452.61452.78551.09763.72311.09631.09632.97722.9772
C51.76982.61452.61452.78553.72311.09762.97722.97721.09631.0963
H62.31312.84612.84611.09763.72314.54371.80021.80023.96723.9672
H72.31312.84612.84613.72311.09764.54373.96723.96721.80021.8002
H82.37083.53662.81331.09632.97721.80023.96721.81953.29802.7507
H92.37082.81333.53661.09632.97721.80023.96721.81952.75073.2980
H102.37082.81333.53662.97721.09633.96721.80023.29802.75071.8195
H112.37083.53662.81332.97721.09633.96721.80022.75073.29801.8195

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 105.123 S1 C4 H8 109.368
S1 C4 H9 109.368 S1 C5 H7 105.123
S1 C5 H10 109.368 S1 C5 H11 109.368
O2 S1 O3 120.238 O2 S1 C4 107.902
O2 S1 C5 107.902 O3 S1 C4 107.902
O3 S1 C5 107.902 C4 S1 C5 103.806
H6 C4 H8 110.285 H6 C4 H9 110.285
H7 C5 H10 110.285 H7 C5 H11 110.285
H8 C4 H9 112.165 H10 C5 H11 112.165
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 2.048      
2 O -0.905      
3 O -0.905      
4 C -0.734      
5 C -0.734      
6 H 0.184      
7 H 0.184      
8 H 0.216      
9 H 0.216      
10 H 0.216      
11 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.579 4.579
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.270 0.000 0.000
y 0.000 -31.977 0.000
z 0.000 0.000 -38.597
Traceless
 xyz
x -7.983 0.000 0.000
y 0.000 8.957 0.000
z 0.000 0.000 -0.974
Polar
3z2-r2-1.948
x2-y2-11.294
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.982 0.000 0.000
y 0.000 8.860 0.000
z 0.000 0.000 8.240


<r2> (average value of r2) Å2
<r2> 126.695
(<r2>)1/2 11.256