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

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-700.859130
Energy at 298.15K-700.866609
Nuclear repulsion energy331.035857
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 LSDA/6-31G
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 3093 3030 8.66      
2 A 3092 3029 10.07      
3 A 3032 2970 0.00      
4 A 3029 2967 27.29      
5 A 2928 2869 21.90      
6 A 2926 2867 9.68      
7 A 1482 1452 0.09      
8 A 1469 1439 34.25      
9 A 1460 1431 22.77      
10 A 1449 1420 7.49      
11 A 1419 1390 37.45      
12 A 1408 1379 0.01      
13 A 1145 1122 3.71      
14 A 1144 1121 4.51      
15 A 1107 1084 0.29      
16 A 1106 1083 4.82      
17 A 982 963 46.84      
18 A 974 954 24.51      
19 A 938 919 50.21      
20 A 530 519 35.02      
21 A 525 514 122.62      
22 A 518 508 11.98      
23 A 425 417 1.03      
24 A 279 273 24.85      
25 A 263 258 19.03      
26 A 233 228 11.74      
27 A 184 181 2.22      
28 A 156 153 3.42      
29 A 75 73 1.78      
30 A 70 69 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 18719.0 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 18339.0 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 LSDA/6-31G
ABC
0.12800 0.07491 0.06797

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.000 -0.936 -0.300
O2 -0.000 -0.861 1.316
O3 1.435 0.122 -0.771
O4 -1.435 0.122 -0.771
C5 1.818 1.032 0.278
C6 -1.818 1.032 0.278
H7 1.405 2.039 0.087
H8 -2.919 1.065 0.284
H9 1.463 0.663 1.265
H10 2.919 1.066 0.284
H11 -1.462 0.663 1.265
H12 -1.405 2.039 0.087

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.61711.84411.84412.74122.74113.31263.58722.67303.58742.67263.3128
O21.61712.71642.71642.82282.82273.44853.64632.11303.64682.11263.4487
O31.84412.71642.87021.44053.53722.10064.57842.10672.05073.58193.5322
O41.84412.71642.87023.53731.44063.53202.05083.58254.57852.10662.1006
C52.74122.82281.44053.53733.63631.10494.73741.11241.10143.44533.3820
C62.74112.82273.53721.44063.63633.38161.10143.44594.73741.11241.1049
H73.31263.44852.10063.53201.10493.38164.43621.81211.81103.39062.8094
H83.58723.64634.57842.05084.73741.10144.43624.50815.83821.80181.8110
H92.67302.11302.10673.58251.11243.44591.81214.50811.80182.92463.3916
H103.58743.64682.05074.57851.10144.73741.81105.83821.80184.50764.4365
H112.67262.11263.58192.10663.44531.11243.39061.80182.92464.50761.8121
H123.31283.44873.53222.10063.38201.10492.80941.81103.39164.43651.8121

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 112.557 S1 O4 C6 112.552
O2 S1 O3 103.215 O2 S1 O4 103.214
O3 S1 O4 102.194 O3 C5 H7 110.538
O3 C5 H9 110.558 O3 C5 H10 106.797
O4 C6 H8 106.804 O4 C6 H11 110.553
O4 C6 H12 110.535 H7 C5 H9 109.618
H7 C5 H10 110.333 H8 C6 H11 108.949
H8 C6 H12 110.335 H9 C5 H10 108.950
H11 C6 H12 109.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.003      
2 O -0.564      
3 O -0.493      
4 O -0.493      
5 C -0.345      
6 C -0.345      
7 H 0.189      
8 H 0.213      
9 H 0.217      
10 H 0.213      
11 H 0.217      
12 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.001 1.579 0.912 1.823
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.168 0.001 -0.000
y 0.001 -39.589 3.587
z -0.000 3.587 -48.902
Traceless
 xyz
x 4.078 0.001 -0.000
y 0.001 4.946 3.587
z -0.000 3.587 -9.024
Polar
3z2-r2-18.048
x2-y2-0.579
xy0.001
xz-0.000
yz3.587


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.436 -0.000 -0.000
y -0.000 7.642 -0.110
z -0.000 -0.110 6.574


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000