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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-703.126068
Energy at 298.15K-703.133770
Nuclear repulsion energy341.625304
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3067 3049 2.58      
2 A 3066 3048 17.39      
3 A 3034 3016 20.57      
4 A 3033 3015 15.23      
5 A 2948 2931 62.27      
6 A 2945 2928 16.96      
7 A 1426 1418 0.73      
8 A 1418 1410 14.32      
9 A 1417 1409 8.34      
10 A 1404 1396 7.61      
11 A 1376 1368 5.65      
12 A 1364 1356 0.16      
13 A 1129 1122 53.24      
14 A 1122 1116 1.15      
15 A 1121 1114 38.37      
16 A 1106 1100 0.03      
17 A 1104 1097 10.54      
18 A 987 982 124.80      
19 A 969 963 89.94      
20 A 612 609 69.75      
21 A 585 581 238.38      
22 A 548 545 15.89      
23 A 443 440 0.83      
24 A 291 290 6.95      
25 A 276 275 10.81      
26 A 268 266 10.76      
27 A 171 170 0.05      
28 A 142 141 0.48      
29 A 100 99 2.67      
30 A 55 55 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 18763.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 18654.4 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 PBEPBE/cc-pVDZ
ABC
0.13365 0.08055 0.07020

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.000 -0.862 -0.331
O2 0.000 -1.049 1.165
O3 1.335 0.156 -0.719
O4 -1.336 0.155 -0.718
C5 1.812 1.021 0.328
C6 -1.811 1.022 0.328
H7 2.906 1.111 0.186
H8 -2.906 1.113 0.186
H9 1.342 2.026 0.251
H10 1.602 0.585 1.328
H11 -1.601 0.586 1.328
H12 -1.341 2.026 0.250

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.50751.72371.72362.69552.69533.55093.55113.23742.72262.72293.2366
O21.50752.60482.60482.87572.87603.75123.75193.47722.29412.29483.4770
O31.72372.60482.67131.43963.42742.04924.44072.10642.10823.60553.4053
O41.72362.60482.67133.42851.43964.44172.04913.40753.60602.10822.1064
C52.69552.87571.43963.42853.62311.10734.72051.11141.11063.58323.3095
C62.69532.87603.42741.43963.62314.72061.10733.31033.58321.11061.1114
H73.55093.75122.04924.44171.10734.72065.81191.81301.81174.67974.3447
H83.55113.75194.44072.04914.72051.10735.81194.34534.67971.81171.8130
H93.23743.47722.10643.40751.11143.31031.81304.34531.81703.44922.6828
H102.72262.29412.10823.60601.11063.58321.81174.67971.81703.20333.4487
H112.72292.29483.60552.10823.58321.11064.67971.81173.44923.20331.8170
H123.23663.47703.40532.10643.30951.11144.34471.81302.68283.44871.8170

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 116.599 S1 O4 C6 116.595
O2 S1 O3 107.251 O2 S1 O4 107.254
O3 S1 O4 101.591 O3 C5 H7 106.407
O3 C5 H9 110.662 O3 C5 H10 110.860
O4 C6 H8 106.402 O4 C6 H11 110.860
O4 C6 H12 110.665 H7 C5 H9 109.598
H7 C5 H10 109.541 H8 C6 H11 109.542
H8 C6 H12 109.597 H9 C5 H10 109.713
H11 C6 H12 109.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.768      
2 O -0.411      
3 O -0.376      
4 O -0.376      
5 C 0.035      
6 C 0.035      
7 H 0.061      
8 H 0.061      
9 H 0.047      
10 H 0.055      
11 H 0.055      
12 H 0.047      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 1.654 0.453 1.715
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.870 -0.002 -0.001
y -0.002 -40.377 3.212
z -0.001 3.212 -46.024
Traceless
 xyz
x 4.331 -0.002 -0.001
y -0.002 2.069 3.212
z -0.001 3.212 -6.400
Polar
3z2-r2-12.801
x2-y21.508
xy-0.002
xz-0.001
yz3.212


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.452 0.000 0.000
y 0.000 7.502 -0.059
z 0.000 -0.059 6.395


<r2> (average value of r2) Å2
<r2> 190.497
(<r2>)1/2 13.802