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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-624.976573
Energy at 298.15K 
HF Energy-624.976573
Nuclear repulsion energy251.569863
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 BLYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3138 3121 0.61      
2 A1 3022 3005 1.52      
3 A1 1469 1461 3.65      
4 A1 1309 1302 4.57      
5 A1 996 990 51.48      
6 A1 862 858 25.74      
7 A1 489 487 22.91      
8 A1 370 367 7.12      
9 A1 221 220 1.35      
10 A2 3134 3117 0.00      
11 A2 1470 1462 0.00      
12 A2 882 877 0.00      
13 A2 182 181 0.00      
14 A2 117 116 0.00      
15 B1 3138 3121 3.06      
16 B1 1484 1476 23.33      
17 B1 1093 1087 65.20      
18 B1 905 900 0.05      
19 B1 255 254 0.99      
20 B1 143 143 0.28      
21 B2 3136 3119 0.08      
22 B2 3019 3002 0.03      
23 B2 1459 1451 12.04      
24 B2 1285 1278 0.42      
25 B2 895 890 17.03      
26 B2 544 541 69.61      
27 B2 285 283 14.77      

Unscaled Zero Point Vibrational Energy (zpe) 17650.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17553.6 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 BLYP/3-21G
ABC
0.12234 0.12213 0.11637

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.221
O2 -1.393 0.000 1.028
O3 1.393 0.000 1.028
C4 0.000 1.487 -1.046
C5 0.000 -1.487 -1.046
H6 0.000 2.396 -0.433
H7 0.000 -2.396 -0.433
H8 0.915 1.398 -1.644
H9 -0.915 1.398 -1.644
H10 -0.915 -1.398 -1.644
H11 0.915 -1.398 -1.644

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.61001.61001.95401.95402.48422.48422.50402.50402.50402.5040
O21.61002.78682.90762.90763.13373.13373.79733.05323.05323.7973
O31.61002.78682.90762.90763.13373.13373.05323.79733.79733.0532
C41.95402.90762.90762.97461.09603.93171.09631.09633.08563.0856
C51.95402.90762.90762.97463.93171.09603.08563.08561.09631.0963
H62.48423.13373.13371.09603.93174.79271.81581.81584.08664.0866
H72.48423.13373.13373.93171.09604.79274.08664.08661.81581.8158
H82.50403.79733.05321.09633.08561.81584.08661.82923.34172.7966
H92.50403.05323.79731.09633.08561.81584.08661.82922.79663.3417
H102.50403.05323.79733.08561.09634.08661.81583.34172.79661.8292
H112.50403.79733.05323.08561.09634.08661.81582.79663.34171.8292

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 105.603 S1 C4 H8 106.969
S1 C4 H9 106.969 S1 C5 H7 105.603
S1 C5 H10 106.969 S1 C5 H11 106.969
O2 S1 O3 119.871 O2 S1 C4 108.960
O2 S1 C5 108.960 O3 S1 C4 108.960
O3 S1 C5 108.960 C4 S1 C5 99.136
H6 C4 H8 111.839 H6 C4 H9 111.839
H7 C5 H10 111.839 H7 C5 H11 111.839
H8 C4 H9 113.085 H10 C5 H11 113.085
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.197      
2 O -0.507      
3 O -0.507      
4 C -0.799      
5 C -0.799      
6 H 0.251      
7 H 0.251      
8 H 0.228      
9 H 0.228      
10 H 0.228      
11 H 0.228      


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 -4.570 4.570
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.547 0.000 0.000
y 0.000 -33.073 0.000
z 0.000 0.000 -39.525
Traceless
 xyz
x -7.248 0.000 0.000
y 0.000 8.463 0.000
z 0.000 0.000 -1.215
Polar
3z2-r2-2.430
x2-y2-10.473
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.839 0.000 0.000
y 0.000 7.625 0.000
z 0.000 0.000 7.198


<r2> (average value of r2) Å2
<r2> 146.441
(<r2>)1/2 12.101