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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-304.107307
Energy at 298.15K-304.114085
HF Energy-304.107307
Nuclear repulsion energy197.119683
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 mPW1PW91/6-31+G**
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 3155 3003 0.16      
2 A 3065 2918 0.44      
3 A 1540 1466 0.03      
4 A 1431 1362 14.13      
5 A 1239 1179 5.68      
6 A 1159 1103 0.19      
7 A 1079 1027 32.10      
8 A 996 948 68.10      
9 A 904 860 23.61      
10 A 764 727 0.45      
11 A 388 369 7.61      
12 B 3155 3003 34.63      
13 B 3063 2915 128.99      
14 B 1531 1457 1.90      
15 B 1379 1312 6.69      
16 B 1233 1174 4.73      
17 B 1152 1097 10.63      
18 B 1134 1079 189.39      
19 B 976 929 5.41      
20 B 728 693 2.52      
21 B 169 161 20.27      

Unscaled Zero Point Vibrational Energy (zpe) 15119.6 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 14390.9 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 mPW1PW91/6-31+G**
ABC
0.27808 0.27355 0.15445

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.181
C2 0.000 1.119 0.320
C3 0.000 -1.119 0.320
O4 -0.370 -0.618 -0.943
O5 0.370 0.618 -0.943
H6 -1.001 1.566 0.288
H7 1.001 -1.566 0.288
H8 0.766 1.840 0.615
H9 -0.766 -1.840 0.615

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.41221.41222.24232.24232.06162.06162.07182.0718
C21.41222.23842.17901.40781.09632.86591.09223.0709
C31.41222.23841.40782.17902.86591.09633.07091.0922
O42.24232.17901.40781.44042.58522.07213.12362.0188
O52.24231.40782.17901.44042.07212.58522.01883.1236
H62.06161.09632.86592.58522.07213.71701.81703.4298
H72.06162.86591.09632.07212.58523.71703.42981.8170
H82.07181.09223.07093.12362.01881.81703.42983.9859
H92.07183.07091.09222.01883.12363.42981.81703.9859

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 73.827 O1 C2 H6 109.904
O1 C2 H8 110.996 O1 C3 O5 73.827
O1 C3 H7 109.904 O1 C3 H9 110.996
C2 O1 C3 104.849 C2 O4 O5 39.540
C3 O5 O4 39.540 O4 C2 H6 98.827
O4 C2 H8 143.287 O5 C3 H7 98.827
O5 C3 H9 143.287 H6 C2 H8 112.246
H7 C3 H9 112.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.405      
2 C 0.079      
3 C 0.079      
4 O -0.209      
5 O -0.209      
6 H 0.161      
7 H 0.161      
8 H 0.172      
9 H 0.172      


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 1.156 1.156
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.636 0.021 0.000
y 0.021 -23.052 0.000
z 0.000 0.000 -34.495
Traceless
 xyz
x 0.137 0.021 0.000
y 0.021 8.514 0.000
z 0.000 0.000 -8.651
Polar
3z2-r2-17.302
x2-y2-5.585
xy0.021
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.611 0.209 0.000
y 0.209 6.215 0.000
z 0.000 0.000 4.690


<r2> (average value of r2) Å2
<r2> 83.647
(<r2>)1/2 9.146