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

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-703.816626
Energy at 298.15K-703.824523
HF Energy-703.816626
Nuclear repulsion energy349.671226
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 B3LYP/Def2TZVPP
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 3156 3038 8.46      
2 A 3141 3023 10.28      
3 A 3139 3022 10.60      
4 A 3101 2985 20.62      
5 A 3060 2945 28.56      
6 A 3025 2912 48.70      
7 A 1508 1451 13.73      
8 A 1507 1450 6.49      
9 A 1492 1436 7.48      
10 A 1489 1434 7.43      
11 A 1469 1414 0.42      
12 A 1459 1405 0.43      
13 A 1221 1175 152.76      
14 A 1189 1145 4.15      
15 A 1184 1140 1.30      
16 A 1175 1131 1.97      
17 A 1168 1124 1.21      
18 A 1026 988 131.66      
19 A 986 949 259.47      
20 A 737 710 85.34      
21 A 674 649 229.10      
22 A 571 550 15.16      
23 A 461 444 2.31      
24 A 389 374 6.35      
25 A 281 270 4.88      
26 A 221 212 6.90      
27 A 142 136 4.72      
28 A 122 117 1.97      
29 A 93 90 3.94      
30 A 74 71 3.24      

Unscaled Zero Point Vibrational Energy (zpe) 19628.4 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 18894.3 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 B3LYP/Def2TZVPP
ABC
0.16829 0.07705 0.06571

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.023 0.573 -0.485
O2 -0.053 1.371 0.736
O3 -0.930 -0.803 -0.185
O4 1.410 -0.187 -0.629
C5 -2.280 -0.554 0.246
C6 2.003 -0.769 0.559
H7 -2.725 -1.532 0.411
H8 3.032 -0.984 0.288
H9 -2.293 0.020 1.171
H10 -2.849 -0.027 -0.523
H11 1.974 -0.061 1.384
H12 1.481 -1.685 0.825

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.45941.67511.62872.62642.64503.54063.51562.86442.88902.80793.0133
O21.45942.51842.53632.98362.97333.95873.90762.65183.36972.56513.4210
O31.67512.51842.46031.43873.02572.02713.99482.09152.09753.38272.7592
O41.62872.53632.46033.81011.44944.47122.02694.12314.26352.09422.0890
C52.62642.98361.43873.81014.29941.08735.32991.08861.09274.43053.9701
C62.64502.97333.02571.44944.29944.79131.08614.41075.02611.08801.0869
H73.54063.95872.02714.47121.08734.79135.78501.78121.77605.01884.2297
H83.51563.90763.99482.02695.32991.08615.78505.49116.01391.78161.7849
H92.86442.65182.09154.12311.08864.41071.78125.49111.78424.27294.1563
H102.88903.36972.09754.26351.09275.02611.77606.01391.78425.18624.8291
H112.80792.56513.38272.09424.43051.08805.01881.78164.27295.18621.7867
H123.01333.42102.75922.08903.97011.08694.22971.78494.15634.82911.7867

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 114.804 S1 O4 C6 118.365
O2 S1 O3 106.718 O2 S1 O4 110.314
O3 S1 O4 96.257 O3 C5 H7 105.894
O3 C5 H9 110.939 O3 C5 H10 111.168
O4 C6 H8 105.244 O4 C6 H11 110.432
O4 C6 H12 110.078 H7 C5 H9 109.892
H7 C5 H10 109.112 H8 C6 H11 110.060
H8 C6 H12 110.445 H9 C5 H10 109.753
H11 C6 H12 110.466
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.689      
2 O -0.470      
3 O -0.327      
4 O -0.303      
5 C -0.169      
6 C -0.182      
7 H 0.122      
8 H 0.128      
9 H 0.135      
10 H 0.109      
11 H 0.137      
12 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.623 -1.729 0.146 1.843
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.387 -0.670 1.715
y -0.670 -45.267 -3.414
z 1.715 -3.414 -44.197
Traceless
 xyz
x 10.345 -0.670 1.715
y -0.670 -5.975 -3.414
z 1.715 -3.414 -4.370
Polar
3z2-r2-8.739
x2-y210.880
xy-0.670
xz1.715
yz-3.414


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.073 -0.066 0.069
y -0.066 7.849 0.041
z 0.069 0.041 7.035


<r2> (average value of r2) Å2
<r2> 192.760
(<r2>)1/2 13.884