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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-302.362870
Energy at 298.15K-302.369224
HF Energy-302.362870
Nuclear repulsion energy188.162421
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 mPW1PW91/3-21G*
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' 3195 3034 22.58      
2 A' 3118 2961 22.76      
3 A' 1564 1485 0.75      
4 A' 1337 1269 0.09      
5 A' 1234 1172 1.68      
6 A' 974 925 3.80      
7 A' 949 901 5.73      
8 A' 917 870 9.80      
9 A' 881 836 0.40      
10 A' 657 624 1.16      
11 A' 369 350 5.47      
12 A" 3174 3014 0.07      
13 A" 3108 2951 23.13      
14 A" 1545 1467 1.22      
15 A" 1357 1289 19.73      
16 A" 1259 1196 0.87      
17 A" 1127 1070 0.01      
18 A" 977 928 10.37      
19 A" 830 788 26.42      
20 A" 708 672 5.78      
21 A" 51 49 4.23      

Unscaled Zero Point Vibrational Energy (zpe) 14664.6 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 13925.5 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 mPW1PW91/3-21G*
ABC
0.25921 0.24028 0.14049

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.569 -1.099 0.000
O2 0.141 -0.490 1.141
O3 0.141 -0.490 -1.141
C4 0.141 0.921 0.784
C5 0.141 0.921 -0.784
H6 1.044 1.355 1.211
H7 1.044 1.355 -1.211
H8 -0.745 1.432 1.167
H9 -0.745 1.432 -1.167

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.47581.47582.27972.27973.17633.17632.79262.7926
O21.47582.28211.45462.38662.05483.12232.11673.1316
O31.47582.28212.38661.45463.12232.05483.13162.1167
C42.27971.45462.38661.56861.08892.23251.09262.2034
C52.27972.38661.45461.56862.23251.08892.20341.0926
H63.17632.05483.12231.08892.23252.42151.79122.9766
H73.17633.12232.05482.23251.08892.42152.97661.7912
H82.79262.11673.13161.09262.20341.79122.97662.3340
H92.79263.13162.11672.20341.09262.97661.79122.3340

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 102.148 O1 O3 C5 102.148
O2 O1 O3 101.284 O2 C4 C5 104.197
O2 C4 H6 106.901 O2 C4 H8 111.609
O3 C5 C4 104.197 O3 C5 H7 106.901
O3 C5 H9 111.609 C4 C5 H7 113.056
C4 C5 H9 110.502 C5 C4 H6 113.056
C5 C4 H8 110.502 H6 C4 H8 110.392
H7 C5 H9 110.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.053      
2 O -0.258      
3 O -0.258      
4 C -0.217      
5 C -0.217      
6 H 0.259      
7 H 0.259      
8 H 0.244      
9 H 0.244      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.314 3.889 0.000 3.901
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.677 0.772 0.000
y 0.772 -27.219 0.000
z 0.000 0.000 -29.595
Traceless
 xyz
x 0.730 0.772 0.000
y 0.772 1.417 0.000
z 0.000 0.000 -2.147
Polar
3z2-r2-4.294
x2-y2-0.458
xy0.772
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.578 0.495 0.000
y 0.495 4.492 0.000
z 0.000 0.000 4.851


<r2> (average value of r2) Å2
<r2> 89.851
(<r2>)1/2 9.479