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 (1,2,3-trioxolane)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-304.105194
Energy at 298.15K-304.111866
HF Energy-304.105194
Nuclear repulsion energy194.539039
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 wB97X-D/TZVP
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' 3170 3027 23.86      
2 A' 3088 2949 48.29      
3 A' 1538 1469 0.25      
4 A' 1370 1308 0.00      
5 A' 1266 1209 0.96      
6 A' 1034 988 31.55      
7 A' 976 933 19.95      
8 A' 957 914 2.46      
9 A' 887 847 0.40      
10 A' 735 702 1.98      
11 A' 423 404 4.75      
12 A" 3154 3012 0.68      
13 A" 3078 2940 22.49      
14 A" 1520 1452 1.22      
15 A" 1367 1306 2.05      
16 A" 1241 1185 0.00      
17 A" 1177 1124 0.01      
18 A" 1052 1005 2.05      
19 A" 807 771 45.17      
20 A" 747 713 1.14      
21 A" 136 130 4.38      

Unscaled Zero Point Vibrational Energy (zpe) 14862.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 14193.2 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 wB97X-D/TZVP
ABC
0.27742 0.25725 0.14932

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.547 -1.048 0.000
O2 0.136 -0.486 1.095
O3 0.136 -0.486 -1.095
C4 0.136 0.895 0.775
C5 0.136 0.895 -0.775
H6 1.038 1.322 1.209
H7 1.038 1.322 -1.209
H8 -0.751 1.395 1.172
H9 -0.751 1.395 -1.172

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.40771.40772.20032.20033.09703.09702.71772.7177
O21.40772.19061.41772.32482.02403.06512.08143.0769
O31.40772.19062.32481.41773.06512.02403.07692.0814
C42.20031.41772.32481.54971.08842.22111.09272.1970
C52.20032.32481.41771.54972.22111.08842.19701.0927
H63.09702.02403.06511.08842.22112.41881.79002.9790
H73.09703.06512.02402.22111.08842.41882.97901.7900
H82.71772.08143.07691.09272.19701.79002.97902.3441
H92.71773.07692.08142.19701.09272.97901.79002.3441

picture of 1,2,3-trioxolane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 102.293 O1 O3 C5 102.293
O2 O1 O3 102.172 O2 C4 C5 103.062
O2 C4 H6 106.989 O2 C4 H8 111.358
O3 C5 C4 103.062 O3 C5 H7 106.989
O3 C5 H9 111.358 C4 C5 H7 113.531
C4 C5 H9 111.315 C5 C4 H6 113.531
C5 C4 H8 111.315 H6 C4 H8 110.307
H7 C5 H9 110.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.023      
2 O -0.140      
3 O -0.140      
4 C -0.114      
5 C -0.114      
6 H 0.139      
7 H 0.139      
8 H 0.127      
9 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.322 3.651 0.000 3.665
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.167 0.650 0.000
y 0.650 -27.793 0.000
z 0.000 0.000 -29.746
Traceless
 xyz
x 0.602 0.650 0.000
y 0.650 1.164 0.000
z 0.000 0.000 -1.766
Polar
3z2-r2-3.532
x2-y2-0.374
xy0.650
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.466 0.311 0.000
y 0.311 5.300 0.000
z 0.000 0.000 5.572


<r2> (average value of r2) Å2
<r2> 85.939
(<r2>)1/2 9.270