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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-303.861961
Energy at 298.15K-303.868563
HF Energy-303.861961
Nuclear repulsion energy194.625381
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3009 2992 0.29      
2 A 2910 2893 0.33      
3 A 1442 1434 0.23      
4 A 1351 1343 11.02      
5 A 1165 1158 3.84      
6 A 1095 1089 1.48      
7 A 1000 994 9.65      
8 A 932 927 75.18      
9 A 781 776 3.98      
10 A 717 713 3.04      
11 A 383 380 5.70      
12 B 3007 2989 47.73      
13 B 2907 2890 174.46      
14 B 1430 1421 2.39      
15 B 1294 1287 6.00      
16 B 1159 1152 7.02      
17 B 1083 1077 10.48      
18 B 1050 1044 158.65      
19 B 900 895 11.31      
20 B 683 679 1.61      
21 B 163 162 11.79      

Unscaled Zero Point Vibrational Energy (zpe) 14230.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 14148.3 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 PBEPBE/cc-pVDZ
ABC
0.27094 0.26654 0.15122

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.199
C2 0.000 1.123 0.318
C3 0.000 -1.123 0.318
O4 -0.391 -0.632 -0.951
O5 0.391 0.632 -0.951
H6 -1.017 1.584 0.290
H7 1.017 -1.584 0.290
H8 0.776 1.861 0.616
H9 -0.776 -1.861 0.616

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.42691.42692.27432.27432.09032.09032.09812.0981
C21.42692.24552.20041.41561.11692.89171.11123.0968
C31.42692.24551.41562.20042.89171.11693.09681.1112
O42.27432.20041.41561.48612.61572.10423.16682.0282
O52.27431.41562.20041.48612.10422.61572.02823.1668
H62.09031.11692.89172.61572.10423.76481.84263.4686
H72.09032.89171.11692.10422.61573.76483.46861.8426
H82.09811.11123.09683.16682.02821.84263.46864.0313
H92.09813.09681.11122.02823.16683.46861.84264.0313

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 74.243 O1 C2 H6 109.920
O1 C2 H8 110.897 O1 C3 O5 74.243
O1 C3 H7 109.920 O1 C3 H9 110.897
C2 O1 C3 103.784 C2 O4 O5 39.502
C3 O5 O4 39.502 O4 C2 H6 98.809
O4 C2 H8 143.928 O5 C3 H7 98.809
O5 C3 H9 143.928 H6 C2 H8 111.581
H7 C3 H9 111.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.293      
2 C 0.234      
3 C 0.234      
4 O -0.177      
5 O -0.177      
6 H 0.036      
7 H 0.036      
8 H 0.053      
9 H 0.053      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.979 0.979
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.281 0.230 0.000
y 0.230 -23.591 0.000
z 0.000 0.000 -33.046
Traceless
 xyz
x 0.038 0.230 0.000
y 0.230 7.072 0.000
z 0.000 0.000 -7.110
Polar
3z2-r2-14.221
x2-y2-4.690
xy0.230
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.177 0.248 0.000
y 0.248 6.320 0.000
z 0.000 0.000 4.073


<r2> (average value of r2) Å2
<r2> 84.955
(<r2>)1/2 9.217