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

using model chemistry: wB97X-D/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-703.519693
Energy at 298.15K-703.527800
HF Energy-703.519693
Nuclear repulsion energy349.120304
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/cc-pVDZ
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 3200 3048 8.38      
2 A 3188 3037 8.28      
3 A 3182 3031 10.22      
4 A 3146 2997 20.91      
5 A 3084 2938 30.84      
6 A 3054 2910 53.16      
7 A 1522 1450 12.65      
8 A 1515 1443 12.87      
9 A 1508 1437 6.76      
10 A 1507 1435 11.99      
11 A 1485 1415 0.70      
12 A 1481 1411 0.81      
13 A 1231 1172 171.57      
14 A 1208 1151 2.83      
15 A 1203 1146 7.48      
16 A 1184 1128 3.03      
17 A 1184 1127 1.27      
18 A 1074 1023 141.83      
19 A 1039 990 259.91      
20 A 750 714 106.59      
21 A 693 660 224.86      
22 A 579 552 17.63      
23 A 465 443 3.17      
24 A 387 368 9.50      
25 A 295 281 6.58      
26 A 240 229 7.16      
27 A 192 183 2.89      
28 A 158 150 4.01      
29 A 88 83 5.92      
30 A 64 61 4.38      

Unscaled Zero Point Vibrational Energy (zpe) 19950.6 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 19005.0 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/cc-pVDZ
ABC
0.16370 0.07814 0.06663

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.019 0.592 -0.488
O2 -0.068 1.360 0.762
O3 -0.914 -0.803 -0.222
O4 1.418 -0.173 -0.623
C5 -2.248 -0.568 0.248
C6 1.959 -0.790 0.564
H7 -2.690 -1.555 0.380
H8 2.996 -1.011 0.317
H9 -2.234 -0.034 1.202
H10 -2.832 -0.004 -0.488
H11 1.911 -0.098 1.408
H12 1.411 -1.707 0.786

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.46841.67911.63362.61812.63303.53553.50892.85502.87572.79292.9930
O21.46842.52282.54512.95472.96203.93933.90012.61243.32632.54233.4055
O31.67912.52282.44881.43332.97892.02043.95302.08772.09483.33742.6909
O41.63362.54512.44883.78821.44354.44892.01944.08414.25572.09132.0833
C52.61812.95471.43333.78824.22431.08995.26311.09261.09614.34323.8696
C62.63302.96202.97891.44354.22434.71521.08894.30754.96811.09221.0909
H73.53553.93932.02044.44891.08994.71525.71291.78781.78294.93504.1242
H83.50893.90013.95302.01945.26311.08895.71295.39325.96951.78851.7939
H92.85502.61242.08774.08411.09264.30751.78785.39321.79274.15064.0317
H102.87573.32632.09484.25571.09614.96811.78295.96951.79275.10954.7466
H112.79292.54233.33742.09134.34321.09224.93501.78854.15065.10951.7960
H122.99303.40552.69092.08333.86961.09094.12421.79394.03174.74661.7960

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 114.294 S1 O4 C6 117.541
O2 S1 O3 106.358 O2 S1 O4 110.152
O3 S1 O4 95.318 O3 C5 H7 105.594
O3 C5 H9 110.760 O3 C5 H10 111.121
O4 C6 H8 104.902 O4 C6 H11 110.360
O4 C6 H12 109.794 H7 C5 H9 109.998
H7 C5 H10 109.293 H8 C6 H11 110.168
H8 C6 H12 110.766 H9 C5 H10 109.983
H11 C6 H12 110.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.113      
2 O -0.656      
3 O -0.518      
4 O -0.439      
5 C -0.271      
6 C -0.283      
7 H 0.172      
8 H 0.174      
9 H 0.185      
10 H 0.155      
11 H 0.187      
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
  -0.780 -1.683 0.196 1.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.539 -0.784 1.972
y -0.784 -45.292 -4.143
z 1.972 -4.143 -44.493
Traceless
 xyz
x 10.354 -0.784 1.972
y -0.784 -5.777 -4.143
z 1.972 -4.143 -4.578
Polar
3z2-r2-9.155
x2-y210.754
xy-0.784
xz1.972
yz-4.143


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.494 -0.052 0.035
y -0.052 7.813 0.211
z 0.035 0.211 6.979


<r2> (average value of r2) Å2
<r2> 191.434
(<r2>)1/2 13.836