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

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-302.370818
Energy at 298.15K-302.377452
HF Energy-302.370818
Nuclear repulsion energy191.806308
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/SDD
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' 3387 3050 40.27      
2 A' 3310 2980 53.34      
3 A' 1674 1507 0.50      
4 A' 1484 1336 0.24      
5 A' 1332 1199 1.23      
6 A' 1133 1020 39.00      
7 A' 1025 923 2.04      
8 A' 979 881 37.13      
9 A' 940 846 0.73      
10 A' 758 682 3.81      
11 A' 349 315 5.94      
12 A" 3369 3034 0.01      
13 A" 3296 2968 33.55      
14 A" 1660 1495 2.42      
15 A" 1490 1342 13.42      
16 A" 1359 1223 0.12      
17 A" 1256 1131 0.01      
18 A" 1123 1011 14.83      
19 A" 965 869 4.76      
20 A" 793 714 6.98      
21 A" 84 76 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 15882.2 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 14300.3 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/SDD
ABC
0.26510 0.25476 0.14280

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.492 -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
O11.42591.42592.28522.28523.15433.15432.80722.8072
O21.42592.21961.44582.35592.04853.09702.08293.0897
O31.42592.21962.35591.44583.09702.04853.08972.0829
C42.28521.44582.35591.55881.07592.22401.07852.1956
C52.28522.35591.44581.55882.22401.07592.19561.0785
H63.15432.04853.09701.07592.22402.43051.76412.9690
H73.15433.09702.04852.22401.07592.43052.96901.7641
H82.80722.08293.08971.07852.19561.76412.96902.3464
H92.80723.08972.08292.19561.07852.96901.76412.3464

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 105.455 O1 O3 C5 105.455
O2 O1 O3 102.215 O2 C4 C5 103.211
O2 C4 H6 107.751 O2 C4 H8 110.356
O3 C5 C4 103.211 O3 C5 H7 107.751
O3 C5 H9 110.356 C4 C5 H7 113.900
C4 C5 H9 111.416 C5 C4 H6 113.900
C5 C4 H8 111.416 H6 C4 H8 109.937
H7 C5 H9 109.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.047      
2 O -0.261      
3 O -0.261      
4 C -0.137      
5 C -0.137      
6 H 0.217      
7 H 0.217      
8 H 0.204      
9 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.253 5.001 0.000 5.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.382 0.398 0.000
y 0.398 -28.322 0.000
z 0.000 0.000 -31.366
Traceless
 xyz
x 1.462 0.398 0.000
y 0.398 1.552 0.000
z 0.000 0.000 -3.014
Polar
3z2-r2-6.029
x2-y2-0.060
xy0.398
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.441 0.530 0.000
y 0.530 4.594 0.000
z 0.000 0.000 5.149


<r2> (average value of r2) Å2
<r2> 88.666
(<r2>)1/2 9.416