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

using model chemistry: B97D3/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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-703.631479
Energy at 298.15K-703.639153
HF Energy-703.631479
Nuclear repulsion energy345.280713
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 B97D3/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 3103 3056 9.48      
2 A 3084 3037 11.31      
3 A 3083 3036 13.48      
4 A 3042 2996 25.28      
5 A 3002 2956 34.95      
6 A 2965 2920 60.96      
7 A 1475 1453 13.48      
8 A 1474 1452 5.99      
9 A 1458 1436 6.06      
10 A 1455 1432 7.86      
11 A 1430 1409 0.88      
12 A 1420 1398 0.52      
13 A 1160 1142 83.59      
14 A 1157 1139 7.96      
15 A 1147 1130 27.55      
16 A 1145 1128 12.72      
17 A 1138 1121 8.41      
18 A 975 960 122.05      
19 A 932 918 181.56      
20 A 681 671 84.17      
21 A 611 602 216.59      
22 A 533 525 16.34      
23 A 436 429 2.05      
24 A 358 353 3.26      
25 A 271 267 4.41      
26 A 215 212 5.06      
27 A 143 141 4.85      
28 A 119 117 1.74      
29 A 88 87 3.22      
30 A 59 58 3.40      

Unscaled Zero Point Vibrational Energy (zpe) 19080.4 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 18788.4 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 B97D3/aug-cc-pVTZ
ABC
0.16378 0.07542 0.06462

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.024 0.590 -0.494
O2 -0.042 1.379 0.752
O3 -0.922 -0.818 -0.180
O4 1.409 -0.206 -0.640
C5 -2.275 -0.556 0.245
C6 1.983 -0.777 0.568
H7 -2.730 -1.537 0.393
H8 3.007 -1.035 0.296
H9 -2.287 0.007 1.184
H10 -2.834 -0.009 -0.525
H11 1.979 -0.041 1.375
H12 1.425 -1.669 0.860

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.47461.69961.64562.63232.65073.55463.52912.87772.87332.81143.0064
O21.47462.54362.55992.99782.96363.98193.91552.66713.36922.54703.3844
O31.69962.54362.45361.44283.00022.02843.96382.09902.10463.38182.7046
O41.64562.55992.45363.80541.45474.46892.02974.12774.24902.10122.0961
C52.63232.99781.44283.80544.27651.09155.30441.09401.09754.43133.9129
C62.65072.96363.00021.45474.27654.77721.09034.38574.99891.09261.0921
H73.55463.98192.02844.46891.09154.77725.75981.78971.78575.03704.1833
H83.52913.91553.96382.02975.30441.09035.75985.46885.98711.79181.7952
H92.87772.66712.09904.12771.09404.38571.78975.46881.79394.27084.0863
H102.87333.36922.10464.24901.09754.99891.78575.98711.79395.17424.7764
H112.81142.54703.38182.10124.43131.09265.03701.79184.27085.17421.7951
H123.00643.38442.70462.09613.91291.09214.18331.79524.08634.77641.7951

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 113.537 S1 O4 C6 117.385
O2 S1 O3 106.297 O2 S1 O4 110.136
O3 S1 O4 94.344 O3 C5 H7 105.492
O3 C5 H9 110.928 O3 C5 H10 111.164
O4 C6 H8 104.886 O4 C6 H11 110.339
O4 C6 H12 109.960 H7 C5 H9 109.947
H7 C5 H10 109.325 H8 C6 H11 110.337
H8 C6 H12 110.686 H9 C5 H10 109.891
H11 C6 H12 110.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.079      
2 O -0.762      
3 O -0.449      
4 O -0.457      
5 C -0.322      
6 C -0.316      
7 H 0.166      
8 H 0.176      
9 H 0.242      
10 H 0.191      
11 H 0.243      
12 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.573 -1.491 0.234 1.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.005 -0.700 1.725
y -0.700 -45.215 -3.393
z 1.725 -3.393 -44.126
Traceless
 xyz
x 9.666 -0.700 1.725
y -0.700 -5.650 -3.393
z 1.725 -3.393 -4.016
Polar
3z2-r2-8.032
x2-y210.211
xy-0.700
xz1.725
yz-3.393


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.368 -0.087 0.060
y -0.087 8.923 0.023
z 0.060 0.023 8.044


<r2> (average value of r2) Å2
<r2> 195.950
(<r2>)1/2 13.998