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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-703.343711
Energy at 298.15K-703.351742
HF Energy-703.343711
Nuclear repulsion energy352.511488
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/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 3158 3035 2.54      
2 A 3157 3034 11.23      
3 A 3135 3013 14.65      
4 A 3133 3011 22.47      
5 A 3054 2935 59.70      
6 A 3050 2932 10.48      
7 A 1505 1446 3.60      
8 A 1499 1440 9.70      
9 A 1495 1436 17.26      
10 A 1487 1429 3.25      
11 A 1457 1401 2.99      
12 A 1448 1392 0.45      
13 A 1223 1175 132.58      
14 A 1188 1142 0.56      
15 A 1187 1141 0.59      
16 A 1169 1124 0.49      
17 A 1168 1122 1.97      
18 A 1050 1009 196.52      
19 A 1017 978 153.91      
20 A 708 680 86.12      
21 A 690 663 256.63      
22 A 617 593 10.27      
23 A 486 468 0.66      
24 A 363 349 8.57      
25 A 289 278 13.06      
26 A 285 274 12.24      
27 A 171 164 0.69      
28 A 121 117 0.04      
29 A 100 97 2.85      
30 A 40 38 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 19724.2 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 18956.9 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 HSEh1PBE/cc-pVTZ
ABC
0.13797 0.08784 0.07445

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.011 0.048 0.101
O2 0.016 1.627 -0.019
O3 1.469 -0.899 -0.004
O4 -1.498 -0.900 -0.011
C5 2.635 -0.038 -0.072
C6 -2.658 -0.025 -0.074
H7 3.477 -0.712 -0.133
H8 -3.477 -0.689 -0.136
H9 2.582 0.588 -0.953
H10 2.694 0.572 0.820
H11 -2.661 0.600 0.814
H12 -2.552 0.632 -0.884

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.58401.74161.78542.63142.67613.55613.57322.83102.82642.81972.8075
O21.58402.91432.94603.10413.14364.17894.19292.92172.99792.98542.8866
O31.74162.91432.96691.45134.21962.02104.95272.08612.08414.46884.3918
O41.78542.94602.96694.22251.45524.98001.99474.44394.51982.06982.0547
C52.63143.10411.45134.22255.29361.08016.14761.08201.08255.40735.2930
C62.67613.14364.21961.45525.29366.17411.05645.34885.45891.08551.0484
H73.55614.17892.02104.98001.08016.17416.95461.77841.78096.34756.2225
H83.57324.19294.95271.99476.14761.05646.95466.24636.37081.79741.7781
H92.83102.92172.08614.44391.08205.34881.77846.24631.77675.53255.1347
H102.82642.99792.08414.51981.08255.45891.78096.37081.77675.35455.5160
H112.81972.98544.46882.06985.40731.08556.34751.79745.53255.35451.7019
H122.80752.88664.39182.05475.29301.04846.22251.77815.13475.51601.7019

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 110.670 S1 O4 C6 110.925
O2 S1 O3 122.332 O2 S1 O4 121.818
O3 S1 O4 114.522 O3 C5 H7 104.999
O3 C5 H9 110.010 O3 C5 H10 109.817
O4 C6 H8 104.029 O4 C6 H11 108.222
O4 C6 H12 109.233 H7 C5 H9 110.680
H7 C5 H10 110.873 H8 C6 H11 114.090
H8 C6 H12 115.288 H9 C5 H10 110.337
H11 C6 H12 105.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.715      
2 O -0.473      
3 O -0.309      
4 O -0.309      
5 C -0.114      
6 C -0.114      
7 H 0.118      
8 H 0.118      
9 H 0.084      
10 H 0.101      
11 H 0.101      
12 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.000 -2.374 -0.245 2.387
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.234 -0.000 -0.000
y -0.000 -40.558 3.131
z -0.000 3.131 -46.366
Traceless
 xyz
x 5.228 -0.000 -0.000
y -0.000 1.742 3.131
z -0.000 3.131 -6.969
Polar
3z2-r2-13.939
x2-y22.324
xy-0.000
xz-0.000
yz3.131


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.031 0.000 0.000
y 0.000 7.861 -0.004
z 0.000 -0.004 6.848


<r2> (average value of r2) Å2
<r2> 180.843
(<r2>)1/2 13.448