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

using model chemistry: B3LYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-703.800527
Energy at 298.15K-703.808426
Nuclear repulsion energy349.732303
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 B3LYP/6-311+G(3df,2p)
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 3150 3046 7.46      
2 A 3136 3033 9.28      
3 A 3134 3030 9.36      
4 A 3096 2994 19.11      
5 A 3055 2954 30.06      
6 A 3021 2921 48.78      
7 A 1509 1459 14.74      
8 A 1508 1458 7.27      
9 A 1494 1445 7.79      
10 A 1491 1441 8.16      
11 A 1471 1422 0.23      
12 A 1461 1413 0.52      
13 A 1218 1178 156.16      
14 A 1192 1152 3.88      
15 A 1186 1146 1.78      
16 A 1177 1138 2.16      
17 A 1170 1131 1.21      
18 A 1025 991 130.89      
19 A 985 952 256.06      
20 A 733 709 85.87      
21 A 669 647 226.75      
22 A 570 551 15.44      
23 A 459 443 2.38      
24 A 387 374 6.07      
25 A 279 270 4.84      
26 A 218 211 6.68      
27 A 143 138 4.28      
28 A 123 119 2.31      
29 A 94 91 4.26      
30 A 73 71 3.41      

Unscaled Zero Point Vibrational Energy (zpe) 19611.9 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 18964.7 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 B3LYP/6-311+G(3df,2p)
ABC
0.16844 0.07705 0.06566

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.030 0.584 -0.478
O2 -0.035 1.369 0.744
O3 -0.897 -0.791 -0.151
O4 1.375 -0.183 -0.630
C5 -2.263 -0.568 0.226
C6 1.984 -0.785 0.537
H7 -2.699 -1.554 0.363
H8 3.006 -1.004 0.244
H9 -2.320 -0.004 1.156
H10 -2.806 -0.040 -0.562
H11 1.971 -0.087 1.370
H12 1.458 -1.700 0.798

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.45291.65781.60812.60972.63803.52133.50142.87422.84702.80543.0104
O21.45292.49152.50752.99712.95953.97243.88962.69693.37212.55643.4136
O31.65782.49152.39961.43532.96122.02333.92832.08672.09253.32162.6969
O41.60812.50752.39963.75741.44694.41112.02414.10804.18422.08942.0851
C52.60972.99711.43533.75744.26391.08655.28741.08901.09244.41253.9319
C62.63802.95952.96121.44694.26394.74821.08564.41784.97041.08771.0873
H73.52133.97242.02334.41111.08654.74825.73231.78181.77664.99734.1821
H83.50143.88963.92832.02415.28741.08565.73235.49545.94641.78351.7855
H92.87422.69692.08674.10801.08904.41781.78185.49541.78564.29734.1571
H102.84703.37212.09254.18421.09244.97041.77665.94641.78565.15334.7739
H112.80542.55643.32162.08944.41251.08774.99731.78354.29735.15331.7872
H123.01043.41362.69692.08513.93191.08734.18211.78554.15714.77391.7872

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 114.878 S1 O4 C6 119.334
O2 S1 O3 106.254 O2 S1 O4 109.906
O3 S1 O4 94.558 O3 C5 H7 105.871
O3 C5 H9 110.762 O3 C5 H10 111.031
O4 C6 H8 105.226 O4 C6 H11 110.247
O4 C6 H12 109.921 H7 C5 H9 109.971
H7 C5 H10 109.244 H8 C6 H11 110.301
H8 C6 H12 110.515 H9 C5 H10 109.879
H11 C6 H12 110.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.552      
2 O -0.445      
3 O -0.503      
4 O -0.471      
5 C -0.044      
6 C -0.030      
7 H 0.144      
8 H 0.146      
9 H 0.170      
10 H 0.148      
11 H 0.172      
12 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.631 -1.773 0.183 1.891
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.513 -0.075 0.071
y -0.075 8.345 0.021
z 0.071 0.021 7.554


<r2> (average value of r2) Å2
<r2> 192.942
(<r2>)1/2 13.890