return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-304.127872
Energy at 298.15K-304.134644
HF Energy-304.127872
Nuclear repulsion energy197.021500
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 B3PW91/6-311G*
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 3124 3007 0.81      
2 A 3034 2921 0.60      
3 A 1544 1487 0.13      
4 A 1440 1386 13.98      
5 A 1243 1196 3.80      
6 A 1162 1119 0.09      
7 A 1062 1022 29.41      
8 A 985 948 71.79      
9 A 876 843 16.09      
10 A 766 738 0.48      
11 A 388 374 7.12      
12 B 3123 3007 55.04      
13 B 3031 2918 163.24      
14 B 1532 1475 2.22      
15 B 1382 1330 3.84      
16 B 1237 1191 5.15      
17 B 1157 1114 12.90      
18 B 1116 1075 191.92      
19 B 958 922 5.88      
20 B 725 698 2.51      
21 B 175 168 16.46      

Unscaled Zero Point Vibrational Energy (zpe) 15029.6 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 14469.0 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 B3PW91/6-311G*
ABC
0.27758 0.27349 0.15427

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.183
C2 0.000 1.117 0.319
C3 0.000 -1.117 0.319
O4 -0.371 -0.621 -0.943
O5 0.371 0.621 -0.943
H6 -1.000 1.566 0.289
H7 1.000 -1.566 0.289
H8 0.766 1.839 0.612
H9 -0.766 -1.839 0.612

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.41191.41192.24622.24622.06222.06222.07242.0724
C21.41192.23342.18011.40591.09692.86341.09263.0672
C31.41192.23341.40592.18012.86341.09693.06721.0926
O42.24622.18011.40591.44742.58852.07123.12472.0140
O52.24621.40592.18011.44742.07122.58852.01403.1247
H62.06221.09692.86342.58852.07123.71661.81573.4285
H72.06222.86341.09692.07122.58853.71663.42851.8157
H82.07241.09263.06723.12472.01401.81573.42853.9841
H92.07243.06721.09262.01403.12473.42851.81573.9841

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 73.964 O1 C2 H6 109.942
O1 C2 H8 111.046 O1 C3 O5 73.964
O1 C3 H7 109.942 O1 C3 H9 111.046
C2 O1 C3 104.545 C2 O4 O5 39.480
C3 O5 O4 39.480 O4 C2 H6 98.957
O4 C2 H8 143.255 O5 C3 H7 98.957
O5 C3 H9 143.255 H6 C2 H8 112.057
H7 C3 H9 112.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.343      
2 C -0.052      
3 C -0.052      
4 O -0.211      
5 O -0.211      
6 H 0.212      
7 H 0.212      
8 H 0.223      
9 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.128 1.128
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.181 0.044 0.000
y 0.044 -23.092 0.000
z 0.000 0.000 -33.852
Traceless
 xyz
x 0.291 0.044 0.000
y 0.044 7.924 0.000
z 0.000 0.000 -8.215
Polar
3z2-r2-16.430
x2-y2-5.088
xy0.044
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.003 0.238 0.000
y 0.238 5.913 0.000
z 0.000 0.000 3.926


<r2> (average value of r2) Å2
<r2> 83.482
(<r2>)1/2 9.137