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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-302.655611
Energy at 298.15K-302.662611
HF Energy-302.655611
Nuclear repulsion energy200.281105
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/Def2TZVPP
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 3274 2968 2.12      
2 A 3197 2897 1.73      
3 A 1682 1525 0.08      
4 A 1580 1432 24.87      
5 A 1351 1224 3.71      
6 A 1285 1165 22.23      
7 A 1238 1122 39.42      
8 A 1096 994 15.58      
9 A 1047 949 76.24      
10 A 841 763 0.01      
11 A 380 345 6.13      
12 B 3274 2968 64.18      
13 B 3193 2894 166.41      
14 B 1670 1514 6.30      
15 B 1511 1370 7.07      
16 B 1346 1220 4.70      
17 B 1272 1153 40.73      
18 B 1244 1128 231.79      
19 B 1096 993 4.38      
20 B 803 728 3.44      
21 B 185 167 19.94      

Unscaled Zero Point Vibrational Energy (zpe) 16283.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 14759.2 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 HF/Def2TZVPP
ABC
0.28823 0.28209 0.15817

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.157
C2 0.000 1.112 0.321
C3 0.000 -1.112 0.321
O4 0.333 0.609 -0.933
O5 -0.333 -0.609 -0.933
H6 0.762 1.819 0.610
H7 -0.762 -1.819 0.610
H8 -0.982 1.567 0.304
H9 0.982 -1.567 0.304

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.39121.39122.20222.20222.04652.04652.03642.0364
C21.39122.22391.39162.15531.07893.04221.08252.8533
C31.39122.22392.15531.39163.04221.07892.85331.0825
O42.20221.39162.15531.38842.00753.07842.04422.5860
O52.20222.15531.39161.38843.07842.00752.58602.0442
H62.04651.07893.04222.00753.07843.94431.78833.4070
H72.04653.04221.07893.07842.00753.94433.40701.7883
H82.03641.08252.85332.04422.58601.78833.40703.6986
H92.03642.85331.08252.58602.04423.40701.78833.6986

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 104.633 O1 C2 H6 111.267
O1 C2 H8 110.195 O1 C3 O5 104.633
O1 C3 H7 111.267 O1 C3 H9 110.195
C2 O1 C3 106.129 C2 O4 O5 101.664
C3 O5 O4 101.664 O4 C2 H6 108.032
O4 C2 H8 110.813 O5 C3 H7 108.032
O5 C3 H9 110.813 H6 C2 H8 111.662
H7 C3 H9 111.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.428      
2 C 0.338      
3 C 0.338      
4 O -0.227      
5 O -0.227      
6 H 0.061      
7 H 0.061      
8 H 0.042      
9 H 0.042      


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 1.219 1.219
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.134 -0.147 0.000
y -0.147 -23.125 0.000
z 0.000 0.000 -33.934
Traceless
 xyz
x 0.395 -0.147 0.000
y -0.147 7.909 0.000
z 0.000 0.000 -8.304
Polar
3z2-r2-16.608
x2-y2-5.009
xy-0.147
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.174 0.224 0.000
y 0.224 5.829 0.000
z 0.000 0.000 4.210


<r2> (average value of r2) Å2
<r2> 81.692
(<r2>)1/2 9.038