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

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 CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-302.463080
Energy at 298.15K-302.469972
HF Energy-302.463080
Nuclear repulsion energy197.870821
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' 3291 2980 44.62      
2 A' 3220 2916 52.38      
3 A' 1655 1498 0.49      
4 A' 1497 1356 1.32      
5 A' 1358 1229 3.40      
6 A' 1204 1090 38.59      
7 A' 1086 984 39.62      
8 A' 1029 932 6.91      
9 A' 929 841 0.61      
10 A' 817 739 2.70      
11 A' 429 388 4.00      
12 A" 3270 2961 1.77      
13 A" 3205 2902 35.83      
14 A" 1636 1482 0.01      
15 A" 1488 1347 1.38      
16 A" 1351 1224 0.18      
17 A" 1273 1153 0.47      
18 A" 1192 1080 11.43      
19 A" 1052 953 8.49      
20 A" 822 745 10.50      
21 A" 133 121 2.44      

Unscaled Zero Point Vibrational Energy (zpe) 15968.8 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 14459.8 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
0.28517 0.26763 0.15362

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.519 -1.042 0.000
O2 0.129 -0.482 1.073
O3 0.129 -0.482 -1.073
C4 0.129 0.889 0.770
C5 0.129 0.889 -0.770
H6 1.021 1.318 1.205
H7 1.021 1.318 -1.205
H8 -0.753 1.372 1.171
H9 -0.753 1.372 -1.171

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.37331.37332.17762.17763.06523.06522.69382.6938
O21.37332.14591.40392.29662.01313.03732.05603.0422
O31.37332.14592.29661.40393.03732.01313.04222.0560
C42.17761.40392.29661.53931.08102.20881.08362.1864
C52.17762.29661.40391.53932.20881.08102.18641.0836
H63.06522.01313.03731.08102.20882.41051.77502.9662
H73.06523.03732.01312.20881.08102.41052.96621.7750
H82.69382.05603.04221.08362.18641.77502.96622.3429
H92.69383.04222.05602.18641.08362.96621.77502.3429

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 103.267 O1 O3 C5 103.267
O2 O1 O3 102.760 O2 C4 C5 102.477
O2 C4 H6 107.501 O2 C4 H8 110.829
O3 C5 C4 102.477 O3 C5 H7 107.501
O3 C5 H9 110.829 C4 C5 H7 113.765
C4 C5 H9 111.767 C5 C4 H6 113.765
C5 C4 H8 111.767 H6 C4 H8 110.174
H7 C5 H9 110.174
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 -0.102      
2 O -0.232      
3 O -0.232      
4 C -0.020      
5 C -0.020      
6 H 0.159      
7 H 0.159      
8 H 0.144      
9 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.288 3.573 0.000 3.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.872 0.528 0.000
y 0.528 -27.437 0.000
z 0.000 0.000 -29.311
Traceless
 xyz
x 0.502 0.528 0.000
y 0.528 1.155 0.000
z 0.000 0.000 -1.657
Polar
3z2-r2-3.314
x2-y2-0.436
xy0.528
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.029 0.314 0.000
y 0.314 4.671 0.000
z 0.000 0.000 5.001


<r2> (average value of r2) Å2
<r2> 83.774
(<r2>)1/2 9.153