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

using model chemistry: wB97X-D/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-703.672725
Energy at 298.15K-703.680817
HF Energy-703.672725
Nuclear repulsion energy351.758591
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-pVTZ
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 3182 3042 9.56      
2 A 3164 3025 9.30      
3 A 3162 3022 10.61      
4 A 3126 2988 20.30      
5 A 3075 2940 29.63      
6 A 3043 2909 47.76      
7 A 1517 1450 11.29      
8 A 1515 1448 8.54      
9 A 1505 1439 10.49      
10 A 1504 1438 5.61      
11 A 1478 1413 1.39      
12 A 1469 1405 0.69      
13 A 1259 1204 153.83      
14 A 1211 1157 4.88      
15 A 1204 1151 0.54      
16 A 1182 1130 1.90      
17 A 1179 1127 2.08      
18 A 1073 1026 140.81      
19 A 1035 989 271.79      
20 A 768 734 91.01      
21 A 715 683 218.19      
22 A 589 563 13.60      
23 A 473 452 2.65      
24 A 400 382 8.08      
25 A 291 279 4.52      
26 A 227 217 7.85      
27 A 174 166 1.40      
28 A 150 143 3.13      
29 A 93 89 5.23      
30 A 57 55 3.77      

Unscaled Zero Point Vibrational Energy (zpe) 19908.4 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 19032.5 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-pVTZ
ABC
0.16778 0.07894 0.06731

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.020 0.588 -0.487
O2 -0.061 1.336 0.764
O3 -0.909 -0.799 -0.230
O4 1.408 -0.168 -0.625
C5 -2.233 -0.555 0.251
C6 1.943 -0.782 0.563
H7 -2.687 -1.533 0.385
H8 2.984 -0.986 0.335
H9 -2.205 -0.025 1.201
H10 -2.816 0.016 -0.474
H11 1.872 -0.096 1.406
H12 1.410 -1.705 0.778

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.45841.66691.62202.59712.61373.51683.48942.82862.85392.76262.9836
O21.45842.50302.52002.92502.92213.90783.85312.57733.29662.49003.3781
O31.66692.50302.43341.42942.95952.01943.93762.08062.08913.30162.6856
O41.62202.52002.43343.76441.43994.43272.01784.05144.23122.08422.0803
C52.59712.92501.42943.76444.19291.08665.23481.08871.09244.28853.8561
C62.61372.92212.95951.43994.19294.69331.08554.26454.93571.08831.0870
H73.51683.90782.01944.43271.08664.69335.69721.78141.77644.88764.1194
H83.48943.85313.93762.01785.23481.08555.69725.34835.94151.78191.7859
H92.82862.57732.08064.05141.08874.26451.78145.34831.78404.08324.0094
H102.85393.29662.08914.23121.09244.93571.77645.94151.78405.05264.7323
H112.76262.49003.30162.08424.28851.08834.88761.78194.08325.05261.7874
H122.98363.37812.68562.08033.85611.08704.11941.78594.00944.73231.7874

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 113.799 S1 O4 C6 117.086
O2 S1 O3 106.235 O2 S1 O4 109.667
O3 S1 O4 95.429 O3 C5 H7 105.956
O3 C5 H9 110.708 O3 C5 H10 111.167
O4 C6 H8 105.205 O4 C6 H11 110.281
O4 C6 H12 110.038 H7 C5 H9 109.955
H7 C5 H10 109.221 H8 C6 H11 110.115
H8 C6 H12 110.578 H9 C5 H10 109.760
H11 C6 H12 110.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.717      
2 O -0.471      
3 O -0.334      
4 O -0.308      
5 C -0.049      
6 C -0.067      
7 H 0.092      
8 H 0.094      
9 H 0.085      
10 H 0.065      
11 H 0.089      
12 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.662 -1.746 0.106 1.871
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.250 -0.594 1.671
y -0.594 -44.551 -3.526
z 1.671 -3.526 -43.668
Traceless
 xyz
x 9.860 -0.594 1.671
y -0.594 -5.593 -3.526
z 1.671 -3.526 -4.267
Polar
3z2-r2-8.534
x2-y210.302
xy-0.594
xz1.671
yz-3.526


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.527 -0.069 0.058
y -0.069 7.507 0.033
z 0.058 0.033 6.737


<r2> (average value of r2) Å2
<r2> 189.137
(<r2>)1/2 13.753