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

using model chemistry: BLYP/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-703.595189
Energy at 298.15K-703.602584
Nuclear repulsion energy337.193206
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/aug-cc-pVDZ
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 3056 3051 3.01      
2 A 3056 3050 13.09      
3 A 3032 3026 19.67      
4 A 3030 3025 18.94      
5 A 2953 2948 68.22      
6 A 2950 2945 13.08      
7 A 1434 1431 1.32      
8 A 1426 1424 13.12      
9 A 1426 1423 8.24      
10 A 1416 1413 6.16      
11 A 1383 1380 4.59      
12 A 1375 1373 0.51      
13 A 1129 1127 2.08      
14 A 1127 1125 0.56      
15 A 1110 1108 0.00      
16 A 1108 1105 1.74      
17 A 1068 1066 109.31      
18 A 929 927 124.01      
19 A 910 908 85.23      
20 A 580 579 51.14      
21 A 536 535 242.15      
22 A 519 518 30.72      
23 A 427 426 3.94      
24 A 279 278 4.72      
25 A 254 254 9.07      
26 A 242 242 10.52      
27 A 141 141 0.25      
28 A 104 104 0.44      
29 A 92 92 3.05      
30 A 55 54 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 18572.2 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 18536.9 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/aug-cc-pVDZ
ABC
0.13018 0.07819 0.06759

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.000 -0.870 -0.340
O2 -0.000 -1.091 1.163
O3 1.359 0.162 -0.716
O4 -1.359 0.162 -0.716
C5 1.849 1.042 0.339
C6 -1.848 1.043 0.339
H7 2.928 1.164 0.147
H8 -2.927 1.164 0.147
H9 1.340 2.022 0.281
H10 1.695 0.587 1.333
H11 -1.693 0.588 1.333
H12 -1.340 2.023 0.280

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.51911.74781.74742.74492.74483.59803.59753.24772.79202.79153.2479
O21.51912.63622.63592.94082.94063.83283.83203.50252.39132.39073.5032
O31.74782.63622.71811.45813.48902.05124.48572.11072.11953.70103.4261
O41.74742.63592.71813.48931.45834.48582.05133.42623.70202.11962.1107
C52.74492.94081.45813.48933.69661.10274.78121.10591.10443.70653.3363
C62.74482.94063.48901.45833.69664.78101.10273.33563.70781.10441.1059
H73.59803.83282.05124.48581.10274.78105.85481.80991.80574.80524.3549
H83.59753.83204.48572.05134.78121.10275.85484.35474.80641.80581.8101
H93.24773.50252.11073.42621.10593.33561.80994.35471.81463.51592.6796
H102.79202.39132.11953.70201.10443.70781.80574.80641.81463.38783.5184
H112.79152.39073.70102.11963.70651.10444.80521.80583.51593.38781.8146
H123.24793.50323.42612.11073.33631.10594.35491.81012.67963.51841.8146

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 117.501 S1 O4 C6 117.504
O2 S1 O3 107.390 O2 S1 O4 107.390
O3 S1 O4 102.095 O3 C5 H7 105.607
O3 C5 H9 110.051 O3 C5 H10 110.855
O4 C6 H8 105.604 O4 C6 H11 110.848
O4 C6 H12 110.042 H7 C5 H9 110.066
H7 C5 H10 109.797 H8 C6 H11 109.805
H8 C6 H12 110.077 H9 C5 H10 110.363
H11 C6 H12 110.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.285      
2 O -0.694      
3 O -0.597      
4 O -0.597      
5 C 1.392      
6 C 1.392      
7 H -0.460      
8 H -0.460      
9 H -0.330      
10 H -0.300      
11 H -0.300      
12 H -0.330      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.001 1.914 0.507 1.980
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.907 -0.002 0.001
y -0.002 -41.721 3.510
z 0.001 3.510 -47.720
Traceless
 xyz
x 4.814 -0.002 0.001
y -0.002 2.093 3.510
z 0.001 3.510 -6.906
Polar
3z2-r2-13.812
x2-y21.814
xy-0.002
xz0.001
yz3.510


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.560 0.000 -0.000
y 0.000 9.639 -0.083
z -0.000 -0.083 8.591


<r2> (average value of r2) Å2
<r2> 196.629
(<r2>)1/2 14.022