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

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-302.370265
Energy at 298.15K-302.376898
HF Energy-302.370265
Nuclear repulsion energy191.800360
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/LANL2DZ
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' 3390 3050 41.60      
2 A' 3312 2980 53.75      
3 A' 1674 1507 0.49      
4 A' 1484 1336 0.24      
5 A' 1331 1198 1.23      
6 A' 1133 1020 38.82      
7 A' 1025 923 2.10      
8 A' 978 880 36.96      
9 A' 940 846 0.72      
10 A' 758 682 3.83      
11 A' 349 314 5.94      
12 A" 3371 3034 0.00      
13 A" 3297 2967 34.19      
14 A" 1660 1494 2.34      
15 A" 1490 1341 13.40      
16 A" 1359 1223 0.12      
17 A" 1256 1130 0.01      
18 A" 1123 1011 14.76      
19 A" 965 868 4.86      
20 A" 793 714 6.95      
21 A" 84 76 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 15886.2 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 14296.0 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/LANL2DZ
ABC
0.26508 0.25475 0.14278

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.491 -1.130 0.000
O2 0.123 -0.479 1.110
O3 0.123 -0.479 -1.110
C4 0.123 0.929 0.779
C5 0.123 0.929 -0.779
H6 1.003 1.368 1.215
H7 1.003 1.368 -1.215
H8 -0.760 1.407 1.173
H9 -0.760 1.407 -1.173

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.42591.42592.28542.28543.15433.15432.80772.8077
O21.42592.21971.44582.35602.04843.09712.08303.0899
O31.42592.21972.35601.44583.09712.04843.08992.0830
C42.28541.44582.35601.55891.07592.22421.07852.1957
C52.28542.35601.44581.55892.22421.07592.19571.0785
H63.15432.04843.09711.07592.22422.43091.76402.9691
H73.15433.09712.04842.22421.07592.43092.96911.7640
H82.80772.08303.08991.07852.19571.76402.96912.3464
H92.80773.08992.08302.19571.07852.96911.76402.3464

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 105.468 O1 O3 C5 105.468
O2 O1 O3 102.219 O2 C4 C5 103.209
O2 C4 H6 107.741 O2 C4 H8 110.367
O3 C5 C4 103.209 O3 C5 H7 107.741
O3 C5 H9 110.367 C4 C5 H7 113.908
C4 C5 H9 111.414 C5 C4 H6 113.908
C5 C4 H8 111.414 H6 C4 H8 109.933
H7 C5 H9 109.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.047      
2 O -0.261      
3 O -0.261      
4 C -0.129      
5 C -0.129      
6 H 0.214      
7 H 0.214      
8 H 0.201      
9 H 0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.254 5.005 0.000 5.011
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.386 0.397 0.000
y 0.397 -28.330 0.000
z 0.000 0.000 -31.380
Traceless
 xyz
x 1.469 0.397 0.000
y 0.397 1.554 0.000
z 0.000 0.000 -3.022
Polar
3z2-r2-6.045
x2-y2-0.056
xy0.397
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.437 0.530 0.000
y 0.530 4.591 0.000
z 0.000 0.000 5.150


<r2> (average value of r2) Å2
<r2> 88.679
(<r2>)1/2 9.417