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

using model chemistry: B3LYPultrafine/aug-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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-703.801873
Energy at 298.15K-703.809703
HF Energy-703.801873
Nuclear repulsion energy347.705714
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 B3LYPultrafine/aug-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 3149 3047 7.27      
2 A 3134 3032 5.92      
3 A 3133 3032 12.51      
4 A 3095 2995 19.38      
5 A 3055 2956 30.25      
6 A 3021 2923 49.88      
7 A 1507 1458 14.45      
8 A 1506 1457 6.71      
9 A 1491 1443 7.24      
10 A 1487 1439 8.15      
11 A 1465 1417 0.49      
12 A 1455 1408 0.43      
13 A 1195 1157 133.20      
14 A 1187 1148 2.45      
15 A 1180 1142 16.51      
16 A 1173 1134 4.04      
17 A 1165 1128 2.99      
18 A 1017 984 130.56      
19 A 980 948 236.50      
20 A 720 697 87.86      
21 A 657 636 220.52      
22 A 560 541 15.01      
23 A 452 437 2.47      
24 A 377 365 5.43      
25 A 276 267 5.06      
26 A 217 210 6.12      
27 A 139 134 3.90      
28 A 118 114 3.72      
29 A 89 86 3.55      
30 A 69 67 3.24      

Unscaled Zero Point Vibrational Energy (zpe) 19535.0 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 18900.1 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.16660 0.07620 0.06513

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.028 0.579 -0.481
O2 -0.048 1.374 0.742
O3 -0.909 -0.780 -0.170
O4 1.383 -0.181 -0.621
C5 -2.269 -0.575 0.237
C6 2.001 -0.781 0.539
H7 -2.708 -1.565 0.330
H8 2.989 -1.092 0.210
H9 -2.315 -0.058 1.194
H10 -2.826 -0.008 -0.512
H11 2.086 -0.054 1.343
H12 1.430 -1.645 0.871

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.45931.64891.60832.62172.64733.52683.51682.90602.85952.86362.9829
O21.45932.49202.51482.99792.98113.98513.94772.71903.34662.63763.3636
O31.64892.49202.41131.43462.99572.02583.92872.08772.09493.43362.7024
O41.60832.51482.41133.77231.44504.42232.02474.12124.21412.09062.0906
C52.62172.99791.43463.77234.28651.08645.28341.08881.09284.52413.9025
C62.64732.98112.99571.44504.28654.77921.08564.42555.00111.08781.0878
H73.52683.98512.02584.42231.08644.77925.71781.78091.77435.12814.1740
H83.51683.94773.92872.02475.28341.08565.71785.49225.95911.78181.7810
H92.90602.71902.08774.12121.08884.42551.78095.49221.78224.40384.0799
H102.85953.34662.09494.21411.09285.00111.77435.95911.78225.25164.7653
H112.86362.63763.43362.09064.52411.08785.12811.78184.40385.25161.7847
H122.98293.36362.70242.09063.90251.08784.17401.78104.07994.76531.7847

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 116.305 S1 O4 C6 120.134
O2 S1 O3 106.441 O2 S1 O4 110.033
O3 S1 O4 95.506 O3 C5 H7 106.120
O3 C5 H9 110.910 O3 C5 H10 111.251
O4 C6 H8 105.391 O4 C6 H11 110.465
O4 C6 H12 110.468 H7 C5 H9 109.913
H7 C5 H10 109.013 H8 C6 H11 110.127
H8 C6 H12 110.059 H9 C5 H10 109.563
H11 C6 H12 110.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.188      
2 O -0.793      
3 O -0.496      
4 O -0.503      
5 C -0.523      
6 C -0.517      
7 H 0.239      
8 H 0.264      
9 H 0.301      
10 H 0.262      
11 H 0.301      
12 H 0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.659 -1.662 0.109 1.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.767 -0.685 1.774
y -0.685 -45.627 -3.542
z 1.774 -3.542 -44.464
Traceless
 xyz
x 10.278 -0.685 1.774
y -0.685 -6.011 -3.542
z 1.774 -3.542 -4.266
Polar
3z2-r2-8.533
x2-y210.860
xy-0.685
xz1.774
yz-3.542


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.798 -0.073 0.060
y -0.073 8.568 0.028
z 0.060 0.028 7.754


<r2> (average value of r2) Å2
<r2> 194.510
(<r2>)1/2 13.947