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

using model chemistry: HF/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-31G*
 hartrees
Energy at 0K-60.183898
Energy at 298.15K-60.190753
HF Energy-60.183898
Nuclear repulsion energy109.955135
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/CEP-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' 3358 3015 83.75      
2 A' 3286 2951 85.83      
3 A' 1664 1495 1.02      
4 A' 1505 1351 4.38      
5 A' 1348 1211 3.60      
6 A' 1209 1086 45.25      
7 A' 1082 972 43.36      
8 A' 1033 928 12.75      
9 A' 920 826 0.60      
10 A' 801 719 3.94      
11 A' 424 381 4.49      
12 A" 3336 2995 2.24      
13 A" 3271 2937 49.11      
14 A" 1642 1474 0.02      
15 A" 1478 1327 0.47      
16 A" 1346 1209 0.43      
17 A" 1263 1134 0.48      
18 A" 1197 1075 12.22      
19 A" 1054 946 11.71      
20 A" 811 728 9.69      
21 A" 132 119 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 16079.9 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 14439.7 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/CEP-31G*
ABC
0.28058 0.26273 0.15107

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.521 -1.052 0.000
O2 0.130 -0.485 1.084
O3 0.130 -0.485 -1.084
C4 0.130 0.897 0.778
C5 0.130 0.897 -0.778
H6 1.026 1.326 1.218
H7 1.026 1.326 -1.218
H8 -0.757 1.382 1.185
H9 -0.757 1.382 -1.185

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.38611.38612.19772.19773.08773.08772.71752.7175
O21.38612.16861.41552.31932.02493.06332.06923.0694
O31.38612.16862.31931.41553.06332.02493.06942.0692
C42.19771.41552.31931.55641.08682.23011.08972.2083
C52.19772.31931.41551.55642.23011.08682.20831.0897
H63.08772.02493.06331.08682.23012.43631.78502.9934
H73.08773.06332.02492.23011.08682.43632.99341.7850
H82.71752.06923.06941.08972.20831.78502.99342.3702
H92.71753.06942.06922.20831.08972.99341.78502.3702

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 103.330 O1 O3 C5 103.330
O2 O1 O3 102.936 O2 C4 C5 102.489
O2 C4 H6 107.308 O2 C4 H8 110.696
O3 C5 C4 102.489 O3 C5 H7 107.308
O3 C5 H9 110.696 C4 C5 H7 113.877
C4 C5 H9 111.924 C5 C4 H6 113.877
C5 C4 H8 111.924 H6 C4 H8 110.194
H7 C5 H9 110.194
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.055      
2 O -0.189      
3 O -0.189      
4 C -0.071      
5 C -0.071      
6 H 0.154      
7 H 0.154      
8 H 0.133      
9 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.279 4.011 0.000 4.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.932 0.487 0.000
y 0.487 -27.671 0.000
z 0.000 0.000 -29.950
Traceless
 xyz
x 0.879 0.487 0.000
y 0.487 1.270 0.000
z 0.000 0.000 -2.149
Polar
3z2-r2-4.298
x2-y2-0.261
xy0.487
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.608 0.387 0.000
y 0.387 4.446 0.000
z 0.000 0.000 5.033


<r2> (average value of r2) Å2
<r2> 70.910
(<r2>)1/2 8.421