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

using model chemistry: SVWN/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at SVWN/6-31+G**
 hartrees
Energy at 0K-701.079336
Energy at 298.15K-701.087290
HF Energy-701.079336
Nuclear repulsion energy350.604744
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 SVWN/6-31+G**
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 3091 3045 0.72      
2 A 3090 3044 10.24      
3 A 3045 2999 8.95      
4 A 3043 2998 10.71      
5 A 2961 2917 58.75      
6 A 2960 2916 10.09      
7 A 1440 1419 0.29      
8 A 1433 1412 21.18      
9 A 1427 1405 28.68      
10 A 1416 1395 0.98      
11 A 1390 1370 9.55      
12 A 1381 1361 3.86      
13 A 1169 1152 132.49      
14 A 1138 1121 0.82      
15 A 1137 1120 0.23      
16 A 1121 1104 0.42      
17 A 1116 1099 2.19      
18 A 1047 1032 142.21      
19 A 1026 1011 84.30      
20 A 662 652 86.45      
21 A 638 629 260.13      
22 A 586 577 16.38      
23 A 463 456 0.25      
24 A 333 328 9.36      
25 A 288 284 16.26      
26 A 283 278 15.19      
27 A 197 195 0.09      
28 A 145 143 0.09      
29 A 116 115 2.80      
30 A 44 43 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 19093.4 cm-1
Scaled (by 0.9851) Zero Point Vibrational Energy (zpe) 18808.9 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 SVWN/6-31+G**
ABC
0.13570 0.08820 0.07517

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.011 0.045 -0.060
O2 -0.012 1.650 0.011
O3 -1.475 -0.910 -0.000
O4 1.503 -0.910 0.007
C5 -2.629 -0.037 0.045
C6 2.651 -0.025 0.047
H7 -3.481 -0.710 0.080
H8 3.477 -0.691 0.083
H9 -2.589 0.586 0.938
H10 -2.656 0.583 -0.851
H11 2.617 0.609 -0.842
H12 2.552 0.627 0.869

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.60591.74861.79172.62082.66543.55333.56812.81622.81272.79902.7876
O21.60592.94782.97483.11283.14644.19534.20252.93752.97812.95332.8911
O31.74862.94782.97751.44784.21992.01744.95732.08722.08574.44464.3965
O41.79172.97482.97754.22301.45064.98791.98794.45474.50172.06612.0509
C52.62083.11281.44784.22305.27971.08646.14081.08911.08965.35875.2875
C62.66543.14644.21991.45065.27976.16991.06185.34995.41711.09231.0534
H73.55334.19532.01744.98791.08646.16996.95771.79151.79396.30596.2289
H83.56814.20254.95731.98796.14081.06186.95776.25736.33371.81271.7915
H92.81622.93752.08724.45471.08915.34991.79156.25731.78975.50125.1412
H102.81272.97812.08574.50171.08965.41711.79396.33371.78975.27315.4849
H112.79902.95334.44462.06615.35871.09236.30591.81275.50125.27311.7120
H122.78762.89114.39652.05095.28751.05346.22891.79155.14125.48491.7120

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 109.795 S1 O4 C6 110.146
O2 S1 O3 122.928 O2 S1 O4 122.127
O3 S1 O4 114.496 O3 C5 H7 104.608
O3 C5 H9 109.915 O3 C5 H10 109.766
O4 C6 H8 103.520 O4 C6 H11 107.855
O4 C6 H12 108.949 H7 C5 H9 110.872
H7 C5 H10 111.060 H8 C6 H11 114.598
H8 C6 H12 115.773 H9 C5 H10 110.468
H11 C6 H12 105.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.029      
2 O -0.628      
3 O -0.396      
4 O -0.395      
5 C -0.407      
6 C -0.407      
7 H 0.201      
8 H 0.201      
9 H 0.180      
10 H 0.221      
11 H 0.221      
12 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.002 2.239 0.474 2.288
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.823 -0.002 -0.002
y -0.002 -40.948 3.243
z -0.002 3.243 -47.887
Traceless
 xyz
x 4.595 -0.002 -0.002
y -0.002 2.906 3.243
z -0.002 3.243 -7.501
Polar
3z2-r2-15.003
x2-y21.126
xy-0.002
xz-0.002
yz3.243


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.797 0.002 0.001
y 0.002 8.495 -0.150
z 0.001 -0.150 7.519


<r2> (average value of r2) Å2
<r2> 180.911
(<r2>)1/2 13.450