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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-302.554726
Energy at 298.15K-302.561718
HF Energy-302.554726
Nuclear repulsion energy200.225795
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/6-31G(2df,p)
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 3275 2966 2.85      
2 A 3198 2895 1.59      
3 A 1682 1523 0.15      
4 A 1585 1436 26.37      
5 A 1350 1223 3.18      
6 A 1285 1163 21.69      
7 A 1240 1122 35.81      
8 A 1102 998 15.23      
9 A 1048 949 65.47      
10 A 844 764 0.02      
11 A 379 343 5.60      
12 B 3276 2967 73.87      
13 B 3193 2891 158.74      
14 B 1668 1510 10.71      
15 B 1511 1368 6.24      
16 B 1346 1219 5.50      
17 B 1271 1150 50.03      
18 B 1249 1131 215.16      
19 B 1101 997 5.06      
20 B 806 730 3.16      
21 B 179 162 18.10      

Unscaled Zero Point Vibrational Energy (zpe) 16292.7 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 14753.0 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/6-31G(2df,p)
ABC
0.28770 0.28231 0.15817

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.158
C2 0.000 1.110 0.321
C3 0.000 -1.110 0.321
O4 -0.333 -0.608 -0.934
O5 0.333 0.608 -0.934
H6 -0.983 1.571 0.307
H7 0.983 -1.571 0.307
H8 0.764 1.819 0.609
H9 -0.764 -1.819 0.609

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.39071.39072.20432.20432.03912.03912.04802.0480
C21.39072.22012.15341.39171.08542.85511.08143.0407
C31.39072.22011.39172.15342.85511.08543.04071.0814
O42.20432.15341.39171.38662.59002.04863.07812.0082
O52.20431.39172.15341.38662.04862.59002.00823.0781
H62.03911.08542.85512.59002.04863.70541.79013.4100
H72.03912.85511.08542.04862.59003.70543.41001.7901
H82.04801.08143.04073.07812.00821.79013.41003.9459
H92.04803.04071.08142.00823.07813.41001.79013.9459

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 73.389 O1 C2 H6 110.268
O1 C2 H8 111.262 O1 C3 O5 73.389
O1 C3 H7 110.268 O1 C3 H9 111.262
C2 O1 C3 105.913 C2 O4 O5 39.276
C3 O5 O4 39.276 O4 C2 H6 101.012
O4 C2 H8 141.967 O5 C3 H7 101.012
O5 C3 H9 141.967 H6 C2 H8 111.408
H7 C3 H9 111.408
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.446      
2 C 0.204      
3 C 0.204      
4 O -0.266      
5 O -0.266      
6 H 0.133      
7 H 0.133      
8 H 0.152      
9 H 0.152      


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 1.209 1.209
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.975 -0.083 0.000
y -0.083 -22.913 0.000
z 0.000 0.000 -33.475
Traceless
 xyz
x 0.219 -0.083 0.000
y -0.083 7.812 0.000
z 0.000 0.000 -8.031
Polar
3z2-r2-16.061
x2-y2-5.062
xy-0.083
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.925 0.237 0.000
y 0.237 5.534 0.000
z 0.000 0.000 3.736


<r2> (average value of r2) Å2
<r2> 81.547
(<r2>)1/2 9.030