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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: HF/6-31G

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
 hartrees
Energy at 0K-302.374299
Energy at 298.15K-302.381107
HF Energy-302.374299
Nuclear repulsion energy194.257096
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
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 3394 3065 0.46      
2 A 3305 2984 0.74      
3 A 1693 1528 0.10      
4 A 1546 1396 6.62      
5 A 1318 1190 0.08      
6 A 1237 1117 4.01      
7 A 1132 1022 47.82      
8 A 1017 918 39.13      
9 A 927 837 41.95      
10 A 798 721 0.42      
11 A 326 294 7.58      
12 B 3397 3067 37.82      
13 B 3301 2980 70.80      
14 B 1682 1519 5.06      
15 B 1491 1346 8.45      
16 B 1313 1185 1.59      
17 B 1236 1116 24.29      
18 B 1171 1057 212.28      
19 B 986 890 8.45      
20 B 753 680 6.59      
21 B 178 160 39.98      

Unscaled Zero Point Vibrational Energy (zpe) 16099.9 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 14536.6 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
ABC
0.27444 0.26165 0.14765

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.177
C2 0.000 1.158 0.339
C3 0.000 -1.158 0.339
O4 -0.333 -0.650 -0.963
O5 0.333 0.650 -0.963
H6 -0.976 1.608 0.331
H7 0.976 -1.608 0.331
H8 0.778 1.836 0.632
H9 -0.778 -1.836 0.632

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.42941.42942.26142.26142.06272.06272.06732.0673
C21.42942.31692.25361.43761.07462.93371.07253.1080
C31.42942.31691.43762.25362.93371.07463.10801.0725
O42.26142.25361.43761.46102.68082.07523.15642.0375
O52.26141.43762.25361.46102.07522.68082.03753.1564
H62.06271.07462.93372.68082.07523.76221.79403.4634
H72.06272.93371.07462.07522.68083.76223.46341.7940
H82.06731.07253.10803.15642.03751.79403.46343.9886
H92.06733.10801.07252.03753.15643.46341.79403.9886

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 71.840 O1 C2 H6 110.122
O1 C2 H8 110.624 O1 C3 O5 71.840
O1 C3 H7 110.122 O1 C3 H9 110.624
C2 O1 C3 108.275 C2 O4 O5 38.597
C3 O5 O4 38.597 O4 C2 H6 101.351
O4 C2 H8 140.566 O5 C3 H7 101.351
O5 C3 H9 140.566 H6 C2 H8 113.345
H7 C3 H9 113.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.704      
2 C 0.322      
3 C 0.322      
4 O -0.384      
5 O -0.384      
6 H 0.201      
7 H 0.201      
8 H 0.213      
9 H 0.213      


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 1.732 1.732
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.540 -0.467 0.000
y -0.467 -21.753 0.000
z 0.000 0.000 -37.031
Traceless
 xyz
x 0.852 -0.467 0.000
y -0.467 11.032 0.000
z 0.000 0.000 -11.885
Polar
3z2-r2-23.769
x2-y2-6.787
xy-0.467
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.372 0.449 0.000
y 0.449 5.671 0.000
z 0.000 0.000 3.436


<r2> (average value of r2) Å2
<r2> 86.183
(<r2>)1/2 9.283