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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-703.531464
Energy at 298.15K-703.539014
Nuclear repulsion energy340.546961
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 BLYP/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 3068 3044 5.56      
2 A 3067 3043 17.75      
3 A 3040 3016 24.91      
4 A 3038 3015 26.06      
5 A 2964 2941 66.50      
6 A 2961 2938 10.83      
7 A 1480 1468 1.26      
8 A 1472 1461 10.93      
9 A 1468 1457 7.53      
10 A 1457 1446 7.37      
11 A 1424 1413 3.31      
12 A 1414 1403 2.26      
13 A 1147 1139 4.15      
14 A 1145 1136 1.16      
15 A 1128 1120 18.03      
16 A 1127 1118 0.05      
17 A 1115 1107 79.69      
18 A 948 941 140.16      
19 A 925 918 100.39      
20 A 612 607 62.56      
21 A 569 565 242.47      
22 A 536 532 23.61      
23 A 440 437 1.96      
24 A 289 287 8.40      
25 A 263 261 10.47      
26 A 252 250 9.03      
27 A 147 146 0.23      
28 A 116 116 0.33      
29 A 99 99 2.85      
30 A 62 61 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 18886.1 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 18740.7 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 BLYP/6-31G**
ABC
0.13212 0.08003 0.06895

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.000 -0.863 -0.329
O2 0.001 -1.080 1.154
O3 1.337 0.149 -0.712
O4 -1.339 0.147 -0.710
C5 1.830 1.041 0.329
C6 -1.828 1.042 0.329
H7 2.903 1.170 0.133
H8 -2.901 1.175 0.133
H9 1.322 2.018 0.270
H10 1.683 0.601 1.327
H11 -1.684 0.602 1.328
H12 -1.317 2.017 0.270

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.49951.71991.72002.72182.72163.57473.57563.22592.77882.78013.2234
O21.49952.60342.60352.92002.92073.81223.81453.48202.38482.38713.4802
O31.71992.60342.67591.45673.45002.05184.44202.11142.11673.67303.3911
O41.72002.60352.67593.45241.45654.44442.05153.39683.67312.11672.1115
C52.72182.92001.45673.45243.65831.09884.73721.10271.10073.67923.2954
C62.72162.92073.45001.45653.65834.73751.09893.29823.67751.10071.1026
H73.57473.81222.05184.44441.09884.73755.80471.79971.79964.77424.3067
H83.57563.81454.44202.05154.73721.09895.80474.30854.77251.79951.7996
H93.22593.48202.11143.39681.10273.29821.79974.30851.80443.48652.6387
H102.77882.38482.11673.67311.10073.67751.79964.77251.80443.36743.4824
H112.78012.38713.67302.11673.67921.10074.77421.79953.48653.36741.8044
H123.22343.48023.39112.11153.29541.10264.30671.79962.63873.48241.8044

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 117.691 S1 O4 C6 117.672
O2 S1 O3 107.735 O2 S1 O4 107.736
O3 S1 O4 102.138 O3 C5 H7 105.962
O3 C5 H9 110.409 O3 C5 H10 110.961
O4 C6 H8 105.953 O4 C6 H11 110.970
O4 C6 H12 110.429 H7 C5 H9 109.666
H7 C5 H10 109.805 H8 C6 H11 109.796
H8 C6 H12 109.659 H9 C5 H10 109.960
H11 C6 H12 109.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.003      
2 O -0.532      
3 O -0.500      
4 O -0.500      
5 C -0.097      
6 C -0.097      
7 H 0.123      
8 H 0.123      
9 H 0.108      
10 H 0.131      
11 H 0.131      
12 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.003 2.003 0.642 2.104
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.513 -0.004 -0.002
y -0.004 -40.345 3.334
z -0.002 3.334 -46.163
Traceless
 xyz
x 4.740 -0.004 -0.002
y -0.004 1.993 3.334
z -0.002 3.334 -6.734
Polar
3z2-r2-13.467
x2-y21.831
xy-0.004
xz-0.002
yz3.334


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 192.545
(<r2>)1/2 13.876