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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: B3LYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-302.499188
Energy at 298.15K-302.505739
HF Energy-302.499188
Nuclear repulsion energy190.185207
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/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 3148 3028 0.60      
2 A 3075 2959 0.12      
3 A 1580 1520 0.01      
4 A 1401 1348 1.77      
5 A 1198 1153 0.28      
6 A 1112 1070 0.32      
7 A 981 943 5.44      
8 A 912 878 14.65      
9 A 864 832 40.21      
10 A 710 683 0.56      
11 A 350 336 6.74      
12 B 3150 3030 55.14      
13 B 3070 2953 101.17      
14 B 1561 1501 5.43      
15 B 1342 1291 3.35      
16 B 1179 1134 1.89      
17 B 1102 1060 8.74      
18 B 1013 975 151.30      
19 B 835 804 1.11      
20 B 653 629 3.07      
21 B 165 158 21.05      

Unscaled Zero Point Vibrational Energy (zpe) 14700.4 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 14141.8 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 B3LYP/3-21G*
ABC
0.25679 0.25480 0.14393

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.228
C2 0.000 1.156 0.333
C3 0.000 -1.156 0.333
O4 -0.415 -0.643 -0.978
O5 0.415 0.643 -0.978
H6 -0.999 1.593 0.282
H7 0.999 -1.593 0.282
H8 0.763 1.873 0.637
H9 -0.763 -1.873 0.637

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.46191.46192.33492.33492.10502.10502.10682.1068
C21.46192.31132.26401.46711.09202.92521.09043.1378
C31.46192.31131.46712.26402.92521.09203.13781.0904
O42.33492.26401.46711.53062.63272.11883.21322.0593
O52.33491.46712.26401.53062.11882.63272.05933.2132
H62.10501.09202.92522.63272.11883.76111.81933.4919
H72.10502.92521.09202.11882.63273.76113.49191.8193
H82.10681.09043.13783.21322.05931.81933.49194.0444
H92.10683.13781.09042.05933.21323.49191.81934.0444

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 74.120 O1 C2 H6 110.180
O1 C2 H8 110.426 O1 C3 O5 74.120
O1 C3 H7 110.180 O1 C3 H9 110.426
C2 O1 C3 104.474 C2 O4 O5 39.908
C3 O5 O4 39.908 O4 C2 H6 97.119
O4 C2 H8 144.307 O5 C3 H7 97.119
O5 C3 H9 144.307 H6 C2 H8 112.949
H7 C3 H9 112.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.492      
2 C 0.077      
3 C 0.077      
4 O -0.273      
5 O -0.273      
6 H 0.214      
7 H 0.214      
8 H 0.227      
9 H 0.227      


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 1.134 1.134
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.106 -0.050 0.000
y -0.050 -22.305 0.000
z 0.000 0.000 -34.323
Traceless
 xyz
x 0.207 -0.050 0.000
y -0.050 8.910 0.000
z 0.000 0.000 -9.117
Polar
3z2-r2-18.235
x2-y2-5.802
xy-0.050
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.453 0.392 0.000
y 0.392 5.681 0.000
z 0.000 0.000 3.449


<r2> (average value of r2) Å2
<r2> 87.954
(<r2>)1/2 9.378