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

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-703.497804
Energy at 298.15K-703.505843
HF Energy-703.497804
Nuclear repulsion energy 
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 wB97X-D/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 3210 3044 12.23      
2 A 3193 3029 11.81      
3 A 3191 3026 11.68      
4 A 3150 2987 23.60      
5 A 3097 2938 27.13      
6 A 3060 2902 49.89      
7 A 1546 1467 11.50      
8 A 1540 1461 8.54      
9 A 1533 1454 6.75      
10 A 1530 1451 8.47      
11 A 1506 1428 2.38      
12 A 1488 1412 0.81      
13 A 1255 1191 149.13      
14 A 1219 1157 3.06      
15 A 1211 1148 1.66      
16 A 1194 1132 1.96      
17 A 1188 1127 1.79      
18 A 1088 1032 140.19      
19 A 1050 996 252.98      
20 A 762 723 98.53      
21 A 710 673 217.47      
22 A 582 552 15.48      
23 A 465 441 3.21      
24 A 388 368 9.89      
25 A 294 279 4.59      
26 A 229 218 9.08      
27 A 190 180 1.46      
28 A 144 136 5.19      
29 A 86 82 5.35      
30 A 60 57 3.54      

Unscaled Zero Point Vibrational Energy (zpe) 20079.7 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 19045.6 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 wB97X-D/6-31G*
ABC
0.16331 0.07902 0.06717

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.019 0.596 -0.487
O2 -0.072 1.360 0.763
O3 -0.902 -0.807 -0.235
O4 1.416 -0.171 -0.623
C5 -2.226 -0.570 0.251
C6 1.935 -0.793 0.569
H7 -2.675 -1.556 0.376
H8 2.978 -1.009 0.343
H9 -2.201 -0.046 1.210
H10 -2.817 0.007 -0.471
H11 1.866 -0.105 1.415
H12 1.385 -1.712 0.776

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.46631.67641.63262.60262.61933.52483.50032.83762.85922.76852.9826
O21.46632.52642.54552.93732.94983.92773.88562.59053.30002.51613.4007
O31.67642.52642.43481.43022.94902.01873.92882.08662.09403.29882.6603
O41.63262.54552.43483.76661.44124.43252.01974.05674.23932.08842.0822
C52.60262.93731.43023.76664.17921.09045.22401.09301.09704.28043.8244
C62.61932.94982.94901.44124.17924.67611.08944.25124.92981.09241.0911
H73.52483.92772.01874.43251.09044.67615.67941.78841.78354.87914.0827
H83.50033.88563.92882.01975.22401.08945.67945.33895.94011.78961.7941
H92.83762.59052.08664.05671.09304.25121.78845.33891.79154.07303.9780
H102.85923.30002.09404.23931.09704.92981.78355.94011.79155.05054.7090
H112.76852.51613.29882.08844.28041.09244.87911.78964.07305.05051.7949
H122.98263.40072.66032.08223.82441.09114.08271.79413.97804.70901.7949

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 113.571 S1 O4 C6 116.757
O2 S1 O3 106.816 O2 S1 O4 110.342
O3 S1 O4 94.743 O3 C5 H7 105.638
O3 C5 H9 110.872 O3 C5 H10 111.229
O4 C6 H8 105.051 O4 C6 H11 110.274
O4 C6 H12 109.858 H7 C5 H9 109.988
H7 C5 H10 109.242 H8 C6 H11 110.217
H8 C6 H12 110.733 H9 C5 H10 109.787
H11 C6 H12 110.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.093      
2 O -0.585      
3 O -0.569      
4 O -0.527      
5 C -0.283      
6 C -0.289      
7 H 0.197      
8 H 0.197      
9 H 0.198      
10 H 0.171      
11 H 0.202      
12 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.758 -1.583 0.256 1.773
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.160 -0.709 1.863
y -0.709 -44.222 -3.910
z 1.863 -3.910 -43.414
Traceless
 xyz
x 9.657 -0.709 1.863
y -0.709 -5.434 -3.910
z 1.863 -3.910 -4.223
Polar
3z2-r2-8.446
x2-y210.061
xy-0.709
xz1.863
yz-3.910


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.516 -0.027 0.047
y -0.027 6.737 0.126
z 0.047 0.126 5.848


<r2> (average value of r2) Å2
<r2> 189.648
(<r2>)1/2 13.771