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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-302.140477
Energy at 298.15K-302.146828
HF Energy-302.140477
Nuclear repulsion energy188.104512
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 HSEh1PBE/3-21G
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' 3189 3072 22.73      
2 A' 3112 2998 22.85      
3 A' 1559 1502 0.79      
4 A' 1333 1284 0.10      
5 A' 1231 1186 1.71      
6 A' 970 935 4.01      
7 A' 947 912 5.34      
8 A' 916 882 9.89      
9 A' 879 847 0.40      
10 A' 656 632 1.15      
11 A' 368 355 5.42      
12 A" 3167 3051 0.09      
13 A" 3102 2988 23.05      
14 A" 1541 1484 1.28      
15 A" 1353 1303 19.84      
16 A" 1255 1209 0.94      
17 A" 1125 1083 0.01      
18 A" 975 939 10.02      
19 A" 822 791 27.69      
20 A" 707 681 5.46      
21 A" 48 46 4.28      

Unscaled Zero Point Vibrational Energy (zpe) 14626.9 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 14090.1 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 HSEh1PBE/3-21G
ABC
0.25910 0.24010 0.14044

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.570 -1.098 0.000
O2 0.141 -0.490 1.141
O3 0.141 -0.490 -1.141
C4 0.141 0.920 0.784
C5 0.141 0.920 -0.784
H6 1.045 1.355 1.211
H7 1.045 1.355 -1.211
H8 -0.746 1.433 1.167
H9 -0.746 1.433 -1.167

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.47591.47592.27962.27963.17723.17722.79332.7933
O21.47592.28221.45462.38652.05563.12302.11803.1322
O31.47592.28222.38651.45463.12302.05563.13222.1180
C42.27961.45462.38651.56841.08982.23301.09372.2035
C52.27962.38651.45461.56842.23301.08982.20351.0937
H63.17722.05563.12301.08982.23302.42191.79282.9774
H73.17723.12302.05562.23301.08982.42192.97741.7928
H82.79332.11803.13221.09372.20351.79282.97742.3331
H92.79333.13222.11802.20351.09372.97741.79282.3331

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 102.129 O1 O3 C5 102.129
O2 O1 O3 101.274 O2 C4 C5 104.203
O2 C4 H6 106.908 O2 C4 H8 111.656
O3 C5 C4 104.203 O3 C5 H7 106.908
O3 C5 H9 111.656 C4 C5 H7 113.052
C4 C5 H9 110.463 C5 C4 H6 113.052
C5 C4 H8 110.463 H6 C4 H8 110.380
H7 C5 H9 110.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.053      
2 O -0.256      
3 O -0.256      
4 C -0.217      
5 C -0.217      
6 H 0.257      
7 H 0.257      
8 H 0.242      
9 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.314 3.849 0.000 3.862
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.724 0.777 0.000
y 0.777 -27.271 0.000
z 0.000 0.000 -29.639
Traceless
 xyz
x 0.731 0.777 0.000
y 0.777 1.410 0.000
z 0.000 0.000 -2.141
Polar
3z2-r2-4.283
x2-y2-0.453
xy0.777
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.590 0.494 0.000
y 0.494 4.504 0.000
z 0.000 0.000 4.856


<r2> (average value of r2) Å2
<r2> 89.919
(<r2>)1/2 9.483