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

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-703.706604
Energy at 298.15K-703.714154
Nuclear repulsion energy342.515265
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/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 3052 3042 5.40      
2 A 3051 3042 12.70      
3 A 3029 3020 20.26      
4 A 3027 3018 25.19      
5 A 2960 2951 64.96      
6 A 2957 2948 11.75      
7 A 1470 1466 1.12      
8 A 1463 1458 11.95      
9 A 1460 1455 8.68      
10 A 1450 1446 5.15      
11 A 1415 1411 3.28      
12 A 1407 1402 0.41      
13 A 1143 1140 9.97      
14 A 1140 1137 0.23      
15 A 1128 1124 40.79      
16 A 1124 1121 0.49      
17 A 1118 1115 59.16      
18 A 929 926 144.17      
19 A 904 901 113.43      
20 A 616 614 59.26      
21 A 569 567 257.31      
22 A 538 537 27.27      
23 A 444 443 3.60      
24 A 304 303 5.51      
25 A 262 261 9.73      
26 A 252 252 9.52      
27 A 141 141 0.24      
28 A 109 109 0.22      
29 A 99 98 3.10      
30 A 48 48 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 18803.3 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 18746.9 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/cc-pVTZ
ABC
0.13385 0.08065 0.06935

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.000 -0.860 -0.325
O2 0.000 -1.070 1.147
O3 1.320 0.142 -0.702
O4 -1.321 0.141 -0.701
C5 1.836 1.041 0.322
C6 -1.836 1.041 0.323
H7 2.905 1.148 0.115
H8 -2.904 1.149 0.116
H9 1.343 2.018 0.250
H10 1.691 0.616 1.322
H11 -1.690 0.618 1.322
H12 -1.341 2.018 0.249

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.48741.69911.69902.72082.72073.55843.55863.22672.78372.78403.2259
O21.48742.57452.57452.91662.91713.79763.79833.48442.39412.39513.4845
O31.69912.57452.64121.45723.43762.04714.41902.10372.11093.65803.3919
O41.69902.57452.64123.43881.45724.42012.04703.39443.65882.11092.1038
C52.72082.91661.45723.43883.67181.09384.74611.09701.09533.68913.3249
C62.72072.91713.43761.45723.67184.74611.09383.32543.68951.09531.0970
H73.55843.79762.04714.42011.09384.74615.80891.79311.79254.77984.3360
H83.55863.79834.41902.04704.74611.09385.80894.33664.78011.79251.7930
H93.22673.48442.10373.39441.09703.32541.79314.33661.79803.50752.6835
H102.78372.39412.11093.65881.09533.68951.79254.78011.79803.38023.5078
H112.78402.39513.65802.11093.68911.09534.77981.79253.50753.38021.7980
H123.22593.48453.39192.10383.32491.09704.33601.79302.68353.50781.7980

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 118.887 S1 O4 C6 118.886
O2 S1 O3 107.608 O2 S1 O4 107.613
O3 S1 O4 102.017 O3 C5 H7 105.853
O3 C5 H9 110.106 O3 C5 H10 110.789
O4 C6 H8 105.850 O4 C6 H11 110.788
O4 C6 H12 110.107 H7 C5 H9 109.865
H7 C5 H10 109.941 H8 C6 H11 109.942
H8 C6 H12 109.864 H9 C5 H10 110.200
H11 C6 H12 110.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.725      
2 O -0.446      
3 O -0.333      
4 O -0.333      
5 C -0.086      
6 C -0.086      
7 H 0.108      
8 H 0.108      
9 H 0.081      
10 H 0.091      
11 H 0.091      
12 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 2.060 0.429 2.104
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.874 -0.003 -0.001
y -0.003 -41.078 3.267
z -0.001 3.267 -46.834
Traceless
 xyz
x 5.082 -0.003 -0.001
y -0.003 1.776 3.267
z -0.001 3.267 -6.858
Polar
3z2-r2-13.715
x2-y22.204
xy-0.003
xz-0.001
yz3.267


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> 191.764
(<r2>)1/2 13.848