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

using model chemistry: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-703.639080
Energy at 298.15K-703.646908
Nuclear repulsion energy344.725019
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/cc-pVDZ
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 3138 3044 3.15      
2 A 3137 3043 13.25      
3 A 3111 3018 19.02      
4 A 3109 3016 25.95      
5 A 3027 2936 62.29      
6 A 3023 2932 12.36      
7 A 1479 1435 1.15      
8 A 1471 1427 14.26      
9 A 1469 1425 7.79      
10 A 1457 1413 6.59      
11 A 1432 1389 4.06      
12 A 1422 1379 0.12      
13 A 1170 1135 21.33      
14 A 1166 1131 0.09      
15 A 1155 1120 64.20      
16 A 1148 1113 0.16      
17 A 1145 1111 33.12      
18 A 1016 986 170.16      
19 A 991 961 128.06      
20 A 654 635 88.00      
21 A 629 610 253.44      
22 A 577 560 11.46      
23 A 462 448 0.03      
24 A 320 310 9.58      
25 A 281 272 11.82      
26 A 275 266 11.22      
27 A 163 158 0.32      
28 A 122 118 0.25      
29 A 105 102 3.21      
30 A 47 46 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 19348.3 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 18767.9 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 B3LYP/cc-pVDZ
ABC
0.13470 0.08255 0.07117

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.000 -0.862 -0.328
O2 0.001 -1.054 1.153
O3 1.306 0.148 -0.703
O4 -1.308 0.147 -0.702
C5 1.801 1.028 0.320
C6 -1.800 1.029 0.321
H7 2.878 1.144 0.131
H8 -2.876 1.148 0.132
H9 1.306 2.012 0.256
H10 1.643 0.594 1.320
H11 -1.641 0.596 1.321
H12 -1.303 2.012 0.254

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.49341.69301.69332.69012.68983.53773.53833.20982.74472.74533.2082
O21.49342.56782.56802.87562.87613.76203.76343.45052.33222.33363.4500
O31.69302.56782.61361.43803.38672.03914.38012.09592.09893.60323.3459
O41.69332.56802.61363.38921.43774.38242.03883.35063.60452.09882.0959
C52.69012.87561.43803.38923.60071.09934.68241.10301.10113.61063.2565
C62.68982.87613.38671.43773.60074.68251.09933.25793.61051.10111.1030
H73.53773.76202.03914.38241.09934.68255.75371.79961.80064.70504.2711
H83.53833.76344.38012.03884.68241.09935.75374.27224.70481.80041.7993
H93.20983.45052.09593.35061.10303.25791.79964.27221.80433.43862.6086
H102.74472.33222.09893.60451.10113.61051.80064.70481.80433.28383.4378
H112.74532.33363.60322.09883.61061.10114.70501.80043.43863.28381.8043
H123.20823.45003.34592.09593.25651.10304.27111.79932.60863.43781.8043

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 118.225 S1 O4 C6 118.203
O2 S1 O3 107.225 O2 S1 O4 107.222
O3 S1 O4 101.040 O3 C5 H7 106.194
O3 C5 H9 110.449 O3 C5 H10 110.812
O4 C6 H8 106.193 O4 C6 H11 110.822
O4 C6 H12 110.470 H7 C5 H9 109.597
H7 C5 H10 109.832 H8 C6 H11 109.819
H8 C6 H12 109.580 H9 C5 H10 109.889
H11 C6 H12 109.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.866      
2 O -0.467      
3 O -0.423      
4 O -0.423      
5 C 0.092      
6 C 0.092      
7 H 0.049      
8 H 0.049      
9 H 0.034      
10 H 0.048      
11 H 0.048      
12 H 0.034      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.004 1.832 0.353 1.866
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.590 -0.002 -0.002
y -0.002 -40.205 3.516
z -0.002 3.516 -46.289
Traceless
 xyz
x 4.656 -0.002 -0.002
y -0.002 2.235 3.516
z -0.002 3.516 -6.892
Polar
3z2-r2-13.783
x2-y21.614
xy-0.002
xz-0.002
yz3.516


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.810 -0.001 0.000
y -0.001 7.145 -0.101
z 0.000 -0.101 6.144


<r2> (average value of r2) Å2
<r2> 187.987
(<r2>)1/2 13.711