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All results from a given calculation for C2H6O3S (Sulfurous acid, dimethyl ester)

using model chemistry: B3LYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-703.719349
Energy at 298.15K-703.727019
Nuclear repulsion energy347.193113
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 B3LYP/6-311G*
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 3150 3044 5.64      
2 A 3150 3043 18.62      
3 A 3123 3017 25.84      
4 A 3119 3014 28.66      
5 A 3045 2943 66.76      
6 A 3041 2939 6.89      
7 A 1526 1475 1.64      
8 A 1517 1466 17.19      
9 A 1513 1462 13.40      
10 A 1501 1451 5.46      
11 A 1476 1426 2.90      
12 A 1466 1416 0.04      
13 A 1194 1154 13.99      
14 A 1191 1151 0.00      
15 A 1176 1136 61.97      
16 A 1172 1133 0.47      
17 A 1170 1130 61.36      
18 A 1008 974 197.69      
19 A 978 945 139.70      
20 A 662 640 91.20      
21 A 621 600 273.10      
22 A 579 560 19.92      
23 A 470 454 0.30      
24 A 333 322 11.59      
25 A 270 261 12.91      
26 A 264 256 11.97      
27 A 146 141 1.62      
28 A 97 94 2.72      
29 A 74 72 0.00      
30 A 32 30 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 19532.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 18873.7 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 B3LYP/6-311G*
ABC
0.13614 0.08372 0.07153

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.000 -0.859 -0.320
O2 0.000 -1.053 1.140
O3 1.290 0.134 -0.688
O4 -1.290 0.134 -0.688
C5 1.801 1.038 0.311
C6 -1.801 1.038 0.311
H7 2.848 1.197 0.058
H8 -2.847 1.198 0.058
H9 1.263 1.987 0.272
H10 1.719 0.600 1.307
H11 -1.720 0.600 1.307
H12 -1.262 1.987 0.273

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.47291.66931.66932.69072.69073.53283.53303.16992.78082.78113.1693
O21.47292.53242.53242.88062.88073.78673.78723.40412.39042.39093.4033
O31.66932.53242.58061.44053.37182.02774.33662.08732.09273.64103.2967
O41.66932.53242.58063.37201.44054.33692.02773.29763.64052.09272.0873
C52.69072.88061.44053.37203.60171.08854.65771.09251.09063.68513.2067
C62.69072.88073.37181.44053.60174.65801.08853.20753.68421.09061.0925
H73.53283.78672.02774.33691.08854.65805.69471.78381.78574.77274.1900
H83.53303.78724.33662.02774.65771.08855.69474.19034.77181.78571.7838
H93.16993.40412.08733.29761.09253.20751.78384.19031.79003.44862.5243
H102.78082.39042.09273.64051.09063.68421.78574.77181.79003.43933.4466
H112.78112.39093.64102.09273.68511.09064.77271.78573.44863.43931.7900
H123.16933.40333.29672.08733.20671.09254.19001.78382.52433.44661.7900

picture of Sulfurous acid, dimethyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 O3 C5 119.643 S1 O4 C6 119.640
O2 S1 O3 107.232 O2 S1 O4 107.233
O3 S1 O4 101.243 O3 C5 H7 105.762
O3 C5 H9 110.228 O3 C5 H10 110.788
O4 C6 H8 105.759 O4 C6 H11 110.788
O4 C6 H12 110.232 H7 C5 H9 109.752
H7 C5 H10 110.062 H8 C6 H11 110.063
H8 C6 H12 109.751 H9 C5 H10 110.161
H11 C6 H12 110.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.980     0.506
2 O -0.546     -0.364
3 O -0.464     -0.335
4 O -0.464     -0.340
5 C -0.437     0.098
6 C -0.437     0.109
7 H 0.234     0.065
8 H 0.234     0.062
9 H 0.214     0.048
10 H 0.237     0.052
11 H 0.237     0.047
12 H 0.214     0.051


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 2.269 0.563 2.338
CHELPG        
AIM        
ESP -0.003 2.313 0.551 2.378


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.718 -0.001 0.000
y -0.001 -40.676 3.683
z 0.000 3.683 -47.543
Traceless
 xyz
x 5.392 -0.001 0.000
y -0.001 2.454 3.683
z 0.000 3.683 -7.846
Polar
3z2-r2-15.692
x2-y21.958
xy-0.001
xz0.000
yz3.683


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.655 0.001 0.000
y 0.001 7.382 -0.049
z 0.000 -0.049 6.370


<r2> (average value of r2) Å2
<r2> 187.003
(<r2>)1/2 13.675