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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-703.603426
Energy at 298.15K-703.611578
HF Energy-703.603426
Nuclear repulsion energy350.279229
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/6-311G**
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 3186 3047 10.80      
2 A 3171 3033 10.67      
3 A 3161 3024 12.86      
4 A 3123 2987 23.29      
5 A 3072 2938 26.77      
6 A 3035 2903 50.94      
7 A 1518 1452 14.50      
8 A 1511 1445 10.72      
9 A 1501 1436 6.65      
10 A 1499 1433 10.21      
11 A 1479 1415 1.73      
12 A 1472 1408 1.15      
13 A 1239 1185 159.72      
14 A 1206 1154 1.85      
15 A 1203 1150 2.27      
16 A 1185 1134 1.35      
17 A 1176 1124 2.04      
18 A 1071 1024 143.91      
19 A 1032 987 256.69      
20 A 747 714 107.83      
21 A 682 652 220.72      
22 A 581 556 20.51      
23 A 471 451 2.82      
24 A 392 375 9.87      
25 A 295 283 6.49      
26 A 237 227 7.97      
27 A 197 188 1.31      
28 A 158 151 5.12      
29 A 102 98 6.67      
30 A 70 67 3.79      

Unscaled Zero Point Vibrational Energy (zpe) 19884.0 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 19019.1 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/6-311G**
ABC
0.16197 0.07945 0.06754

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.017 0.610 -0.484
O2 -0.069 1.339 0.783
O3 -0.905 -0.795 -0.257
O4 1.414 -0.159 -0.619
C5 -2.225 -0.577 0.250
C6 1.930 -0.810 0.560
H7 -2.671 -1.565 0.350
H8 2.969 -1.033 0.332
H9 -2.188 -0.084 1.224
H10 -2.822 0.020 -0.447
H11 1.867 -0.138 1.418
H12 1.370 -1.725 0.748

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.46251.67751.63062.61232.62623.53153.50492.84812.86632.78002.9827
O21.46252.51622.53162.93282.94273.92283.88052.59023.29062.51643.3850
O31.67752.51622.43191.43092.94982.02043.92572.08412.09193.30432.6549
O41.63062.53162.43193.76501.44224.42822.02164.04714.24342.08702.0797
C52.61232.93281.43093.76504.17261.08845.21471.09141.09534.27773.8062
C62.62622.94272.94981.44224.17264.66721.08744.23354.92741.09111.0895
H73.53153.92282.02044.42821.08844.66725.66561.78551.78074.87554.0637
H83.50493.88053.92572.02165.21471.08745.66565.31915.93741.78721.7919
H92.84812.59022.08414.04711.09144.23351.78555.31911.78954.06013.9468
H102.86633.29062.09194.24341.09534.92741.78075.93741.78955.04854.6951
H112.78002.51643.30432.08704.27771.09114.87551.78724.06015.04851.7928
H122.98273.38502.65492.07973.80621.08954.06371.79193.94684.69511.7928

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 114.128 S1 O4 C6 117.310
O2 S1 O3 106.315 O2 S1 O4 109.745
O3 S1 O4 94.626 O3 C5 H7 105.832
O3 C5 H9 110.715 O3 C5 H10 111.109
O4 C6 H8 105.232 O4 C6 H11 110.165
O4 C6 H12 109.672 H7 C5 H9 109.994
H7 C5 H10 109.267 H8 C6 H11 110.246
H8 C6 H12 110.799 H9 C5 H10 109.844
H11 C6 H12 110.600
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.952      
2 O -0.538      
3 O -0.494      
4 O -0.459      
5 C -0.146      
6 C -0.152      
7 H 0.140      
8 H 0.142      
9 H 0.144      
10 H 0.121      
11 H 0.145      
12 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.761 -1.621 0.227 1.805
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.878 -0.767 1.926
y -0.767 -44.550 -4.276
z 1.926 -4.276 -44.231
Traceless
 xyz
x 9.512 -0.767 1.926
y -0.767 -4.995 -4.276
z 1.926 -4.276 -4.517
Polar
3z2-r2-9.034
x2-y29.672
xy-0.767
xz1.926
yz-4.276


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.836 -0.049 0.052
y -0.049 7.060 0.071
z 0.052 0.071 6.211


<r2> (average value of r2) Å2
<r2> 189.492
(<r2>)1/2 13.766