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: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-304.252297
Energy at 298.15K-304.259026
HF Energy-304.252297
Nuclear repulsion energy195.897955
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/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 3100 2997 0.55      
2 A 3014 2914 0.53      
3 A 1533 1482 0.06      
4 A 1424 1377 11.02      
5 A 1225 1184 2.88      
6 A 1148 1110 0.06      
7 A 1039 1005 27.65      
8 A 958 927 72.09      
9 A 851 823 13.91      
10 A 756 731 0.63      
11 A 380 367 7.01      
12 B 3099 2996 47.66      
13 B 3011 2912 152.12      
14 B 1521 1470 2.26      
15 B 1371 1325 4.06      
16 B 1220 1180 4.87      
17 B 1145 1107 13.04      
18 B 1091 1055 186.78      
19 B 929 899 5.86      
20 B 714 690 2.21      
21 B 171 165 16.74      

Unscaled Zero Point Vibrational Energy (zpe) 14850.3 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 14357.3 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/6-311G**
ABC
0.27519 0.26955 0.15228

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.187
C2 0.000 1.125 0.322
C3 0.000 -1.125 0.322
O4 -0.371 -0.629 -0.949
O5 0.371 0.629 -0.949
H6 -0.999 1.576 0.295
H7 0.999 -1.576 0.295
H8 0.767 1.845 0.617
H9 -0.767 -1.845 0.617

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.41961.41962.25722.25722.06832.06832.07762.0776
C21.41962.25092.19801.41341.09632.88031.09213.0816
C31.41962.25091.41342.19802.88031.09633.08161.0921
O42.25722.19801.41341.46132.60832.07833.14102.0208
O52.25721.41342.19801.46132.07832.60832.02083.1410
H62.06831.09632.88032.60832.07833.73181.81553.4433
H72.06832.88031.09632.07832.60833.73183.44331.8155
H82.07761.09213.08163.14102.02081.81553.44333.9955
H92.07763.08161.09212.02083.14103.44331.81553.9955

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 73.701 O1 C2 H6 109.926
O1 C2 H8 110.943 O1 C3 O5 73.701
O1 C3 H7 109.926 O1 C3 H9 110.943
C2 O1 C3 104.893 C2 O4 O5 39.333
C3 O5 O4 39.333 O4 C2 H6 99.198
O4 C2 H8 143.164 O5 C3 H7 99.198
O5 C3 H9 143.164 H6 C2 H8 112.113
H7 C3 H9 112.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.367      
2 C 0.172      
3 C 0.172      
4 O -0.223      
5 O -0.223      
6 H 0.112      
7 H 0.112      
8 H 0.123      
9 H 0.123      


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 1.143 1.143
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.352 0.025 0.000
y 0.025 -23.210 0.000
z 0.000 0.000 -34.033
Traceless
 xyz
x 0.269 0.025 0.000
y 0.025 7.982 0.000
z 0.000 0.000 -8.252
Polar
3z2-r2-16.504
x2-y2-5.142
xy0.025
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.069 0.248 0.000
y 0.248 6.067 0.000
z 0.000 0.000 4.031


<r2> (average value of r2) Å2
<r2> 84.355
(<r2>)1/2 9.184