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

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-701.061510
Energy at 298.15K-701.069548
Nuclear repulsion energy351.759492
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/6-31G**
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 3090 3032 1.11      
2 A 3089 3031 13.68      
3 A 3043 2986 10.72      
4 A 3041 2984 11.26      
5 A 2961 2905 55.43      
6 A 2960 2904 8.67      
7 A 1453 1426 0.50      
8 A 1443 1416 15.41      
9 A 1438 1411 22.85      
10 A 1423 1396 2.54      
11 A 1398 1372 9.48      
12 A 1386 1360 1.85      
13 A 1187 1165 109.46      
14 A 1144 1123 0.88      
15 A 1142 1121 0.73      
16 A 1125 1104 0.49      
17 A 1123 1102 1.15      
18 A 1057 1037 138.14      
19 A 1035 1016 82.08      
20 A 679 666 84.70      
21 A 658 646 232.47      
22 A 592 581 10.82      
23 A 466 457 0.18      
24 A 332 325 10.78      
25 A 300 294 15.58      
26 A 297 291 13.30      
27 A 210 206 0.02      
28 A 149 146 0.12      
29 A 125 122 2.42      
30 A 38 37 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 19191.1 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 18832.2 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/6-31G**
ABC
0.13593 0.08926 0.07615

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 -0.877 -0.301
O2 -0.000 -0.987 1.175
O3 1.284 0.105 -0.701
O4 -1.283 0.105 -0.701
C5 1.683 1.044 0.284
C6 -1.683 1.044 0.284
H7 1.168 2.011 0.132
H8 -2.768 1.185 0.176
H9 1.457 0.661 1.297
H10 2.768 1.185 0.176
H11 -1.457 0.661 1.297
H12 -1.168 2.011 0.132

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.47951.66441.66442.61992.61993.14493.48472.65323.48472.65323.1450
O21.47952.52092.52092.78372.78363.38203.65772.20273.65782.20263.3820
O31.66442.52092.56691.41883.26362.08364.28422.08092.03513.43673.2154
O41.66442.52092.56693.26351.41883.21522.03513.43674.28412.08092.0836
C52.61992.78371.41883.26353.36511.10564.45451.10611.10033.32123.0140
C62.61992.78363.26361.41883.36513.01391.10033.32124.45451.10611.1056
H73.14493.38202.08363.21521.10563.01394.02241.80691.80133.17392.3362
H83.48473.65774.28422.03514.45451.10034.02244.40315.53681.80321.8013
H92.65322.20272.08093.43671.10613.32121.80694.40311.80322.91443.1738
H103.48473.65782.03514.28411.10034.45451.80135.53681.80324.40314.0224
H112.65322.20263.43672.08093.32121.10613.17391.80322.91444.40311.8069
H123.14503.38203.21542.08363.01401.10562.33621.80133.17384.02241.8069

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 116.143 S1 O4 C6 116.144
O2 S1 O3 106.467 O2 S1 O4 106.466
O3 S1 O4 100.913 O3 C5 H7 110.641
O3 C5 H9 110.391 O3 C5 H10 107.096
O4 C6 H8 107.096 O4 C6 H11 110.391
O4 C6 H12 110.641 H7 C5 H9 109.566
H7 C5 H10 109.487 H8 C6 H11 109.621
H8 C6 H12 109.487 H9 C5 H10 109.621
H11 C6 H12 109.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.972      
2 O -0.524      
3 O -0.464      
4 O -0.464      
5 C -0.257      
6 C -0.257      
7 H 0.149      
8 H 0.172      
9 H 0.176      
10 H 0.172      
11 H 0.176      
12 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.000 2.090 0.480 2.144
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.929 0.000 0.000
y 0.000 -40.111 2.952
z 0.000 2.952 -46.301
Traceless
 xyz
x 4.277 0.000 0.000
y 0.000 2.504 2.952
z 0.000 2.952 -6.781
Polar
3z2-r2-13.562
x2-y21.182
xy0.000
xz0.000
yz2.952


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.670 0.000 0.000
y 0.000 7.403 -0.041
z 0.000 -0.041 6.180


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000