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All results from a given calculation for C2H4O3 (1,2,3-trioxolane)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-60.052252
Energy at 298.15K-60.058911
HF Energy-60.052252
Nuclear repulsion energy107.284738
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 HF/CEP-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' 3398 3063 68.38      
2 A' 3316 2989 64.86      
3 A' 1664 1500 0.35      
4 A' 1480 1335 0.29      
5 A' 1319 1189 1.31      
6 A' 1136 1024 38.56      
7 A' 1032 930 0.54      
8 A' 986 889 38.73      
9 A' 930 838 0.40      
10 A' 755 680 5.33      
11 A' 355 320 6.31      
12 A" 3375 3042 0.03      
13 A" 3301 2976 38.46      
14 A" 1648 1486 1.36      
15 A" 1480 1334 11.88      
16 A" 1346 1213 0.06      
17 A" 1248 1125 0.02      
18 A" 1121 1011 14.49      
19 A" 973 877 5.38      
20 A" 791 713 6.35      
21 A" 94 85 3.00      

Unscaled Zero Point Vibrational Energy (zpe) 15872.9 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 14307.8 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 HF/CEP-31G
ABC
0.26388 0.25289 0.14210

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.497 -1.126 0.000
O2 0.124 -0.482 1.113
O3 0.124 -0.482 -1.113
C4 0.124 0.931 0.785
C5 0.124 0.931 -0.785
H6 1.011 1.368 1.225
H7 1.011 1.368 -1.225
H8 -0.762 1.411 1.185
H9 -0.762 1.411 -1.185

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.42851.42852.28782.28783.16133.16132.81292.8129
O21.42852.22651.45072.36652.05443.11052.09203.1069
O31.42852.22652.36651.45073.11052.05443.10692.0920
C42.28781.45072.36651.57021.08162.23981.08472.2130
C52.28782.36651.45071.57022.23981.08162.21301.0847
H63.16132.05443.11051.08162.23982.44981.77382.9920
H73.16133.11052.05442.23981.08162.44982.99201.7738
H82.81292.09203.10691.08472.21301.77382.99202.3698
H92.81293.10692.09202.21301.08472.99201.77382.3698

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 105.232 O1 O3 C5 105.232
O2 O1 O3 102.398 O2 C4 C5 103.073
O2 C4 H6 107.548 O2 C4 H8 110.373
O3 C5 C4 103.073 O3 C5 H7 107.548
O3 C5 H9 110.373 C4 C5 H7 113.993
C4 C5 H9 111.629 C5 C4 H6 113.993
C5 C4 H8 111.629 H6 C4 H8 109.929
H7 C5 H9 109.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.058      
2 O -0.228      
3 O -0.228      
4 C -0.064      
5 C -0.064      
6 H 0.170      
7 H 0.170      
8 H 0.151      
9 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.262 5.144 0.000 5.151
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.261 0.356 0.000
y 0.356 -28.329 0.000
z 0.000 0.000 -31.484
Traceless
 xyz
x 1.646 0.356 0.000
y 0.356 1.543 0.000
z 0.000 0.000 -3.190
Polar
3z2-r2-6.379
x2-y20.068
xy0.356
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.305 0.544 0.000
y 0.544 4.617 0.000
z 0.000 0.000 5.299


<r2> (average value of r2) Å2
<r2> 74.058
(<r2>)1/2 8.606