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

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-703.191472
Energy at 298.15K-703.199384
HF Energy-703.191472
Nuclear repulsion energy349.688134
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 HSEh1PBE/6-31+G**
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 3186 3042 1.49      
2 A 3185 3041 13.00      
3 A 3158 3015 16.25      
4 A 3156 3013 17.06      
5 A 3069 2930 63.23      
6 A 3065 2927 10.68      
7 A 1510 1442 3.15      
8 A 1502 1434 13.09      
9 A 1500 1432 20.61      
10 A 1490 1422 3.96      
11 A 1462 1396 2.95      
12 A 1453 1388 0.72      
13 A 1201 1147 135.35      
14 A 1187 1133 0.21      
15 A 1186 1133 15.72      
16 A 1169 1116 0.17      
17 A 1166 1114 5.83      
18 A 1052 1005 196.72      
19 A 1023 977 144.17      
20 A 689 658 96.81      
21 A 669 639 277.59      
22 A 607 579 13.27      
23 A 478 457 0.67      
24 A 348 332 11.00      
25 A 280 268 14.84      
26 A 273 261 13.07      
27 A 163 156 1.34      
28 A 104 99 0.06      
29 A 100 96 2.81      
30 A 53 50 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 19742.4 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 18850.1 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 HSEh1PBE/6-31+G**
ABC
0.13680 0.08591 0.07323

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.011 0.048 -0.083
O2 -0.016 1.649 0.016
O3 -1.466 -0.905 0.002
O4 1.497 -0.904 0.010
C5 -2.632 -0.043 0.059
C6 2.656 -0.029 0.062
H7 -3.467 -0.726 0.108
H8 3.461 -0.703 0.112
H9 -2.590 0.578 0.944
H10 -2.681 0.568 -0.833
H11 2.638 0.595 -0.825
H12 2.553 0.620 0.869

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.60391.74121.78592.62642.67193.54653.55792.82582.82122.80532.7939
O21.60392.93702.96773.11583.15534.19014.19912.93852.99832.97702.8960
O31.74122.93702.96251.45184.21392.01214.93212.08622.08404.44724.3845
O41.78592.96772.96254.21811.45324.96791.97724.44654.50872.06102.0433
C52.62643.11581.45184.21815.28791.07966.12911.08171.08235.38205.2893
C62.67193.15534.21391.45325.28796.16241.05155.35385.44381.08491.0405
H73.54654.19012.01214.96791.07966.16246.92801.77981.78246.31586.2148
H83.55794.19914.93211.97726.12911.05156.92806.24086.34281.80041.7741
H92.82582.93852.08624.44651.08175.35381.77986.24081.77945.51955.1432
H102.82122.99832.08404.50871.08235.44381.78246.34281.77945.31915.5035
H112.80532.97704.44722.06105.38201.08496.31581.80045.51955.31911.6968
H122.79392.89604.38452.04335.28931.04056.21481.77415.14325.50351.6968

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 110.352 S1 O4 C6 110.741
O2 S1 O3 122.755 O2 S1 O4 122.114
O3 S1 O4 114.258 O3 C5 H7 104.318
O3 C5 H9 109.997 O3 C5 H10 109.793
O4 C6 H8 103.086 O4 C6 H11 107.698
O4 C6 H12 108.925 H7 C5 H9 110.864
H7 C5 H10 111.067 H8 C6 H11 114.847
H8 C6 H12 116.003 H9 C5 H10 110.628
H11 C6 H12 105.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.123      
2 O -0.675      
3 O -0.449      
4 O -0.448      
5 C -0.315      
6 C -0.315      
7 H 0.180      
8 H 0.180      
9 H 0.159      
10 H 0.200      
11 H 0.200      
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
  0.001 2.414 0.466 2.459
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.814 -0.006 -0.002
y -0.006 -40.774 3.556
z -0.002 3.556 -47.553
Traceless
 xyz
x 5.350 -0.006 -0.002
y -0.006 2.409 3.556
z -0.002 3.556 -7.759
Polar
3z2-r2-15.518
x2-y21.961
xy-0.006
xz-0.002
yz3.556


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.216 0.000 0.000
y 0.000 7.960 -0.171
z 0.000 -0.171 7.180


<r2> (average value of r2) Å2
<r2> 183.786
(<r2>)1/2 13.557