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

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-300.099456
Energy at 298.15K-300.105964
HF Energy-300.099456
Nuclear repulsion energy189.236746
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/STO-3G
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' 3477 3056 2.09      
2 A' 3347 2942 3.46      
3 A' 1664 1462 0.09      
4 A' 1408 1238 0.45      
5 A' 1271 1117 2.81      
6 A' 1179 1036 1.83      
7 A' 1066 937 1.72      
8 A' 1030 905 1.15      
9 A' 905 795 0.22      
10 A' 723 636 1.30      
11 A' 400 351 3.36      
12 A" 3469 3049 1.08      
13 A" 3343 2938 1.66      
14 A" 1649 1449 0.02      
15 A" 1431 1258 5.06      
16 A" 1309 1151 0.03      
17 A" 1193 1049 0.70      
18 A" 1122 986 14.29      
19 A" 1034 909 5.33      
20 A" 749 659 2.28      
21 A" 163 143 2.10      

Unscaled Zero Point Vibrational Energy (zpe) 15966.0 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 14032.5 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/STO-3G
ABC
0.25993 0.24534 0.14165

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.556 -1.088 0.000
O2 0.138 -0.506 1.135
O3 0.138 -0.506 -1.135
C4 0.138 0.927 0.790
C5 0.138 0.927 -0.790
H6 1.051 1.376 1.223
H7 1.051 1.376 -1.223
H8 -0.756 1.458 1.182
H9 -0.756 1.458 -1.182

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.45261.45262.27352.27353.18653.18652.81452.8145
O21.45262.27041.47382.40002.09383.15212.15823.1661
O31.45262.27042.40001.47383.15212.09383.16612.1582
C42.27351.47382.40001.58031.10582.25551.11092.2291
C52.27352.40001.47381.58032.25551.10582.22911.1109
H63.18652.09383.15211.10582.25552.44551.80913.0088
H73.18653.15212.09382.25551.10582.44553.00881.8091
H82.81452.15823.16611.11092.22911.80913.00882.3635
H92.81453.16612.15822.22911.11093.00881.80912.3635

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 101.946 O1 O3 C5 101.946
O2 O1 O3 102.790 O2 C4 C5 103.539
O2 C4 H6 107.660 O2 C4 H8 112.473
O3 C5 C4 103.539 O3 C5 H7 107.660
O3 C5 H9 112.473 C4 C5 H7 113.030
C4 C5 H9 110.643 C5 C4 H6 113.030
C5 C4 H8 110.643 H6 C4 H8 109.402
H7 C5 H9 109.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.026      
2 O -0.100      
3 O -0.100      
4 C -0.074      
5 C -0.074      
6 H 0.098      
7 H 0.098      
8 H 0.089      
9 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.164 2.528 0.000 2.534
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.528 0.332 0.000
y 0.332 -25.455 0.000
z 0.000 0.000 -26.916
Traceless
 xyz
x 0.657 0.332 0.000
y 0.332 0.767 0.000
z 0.000 0.000 -1.424
Polar
3z2-r2-2.849
x2-y2-0.073
xy0.332
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.001 0.371 0.000
y 0.371 2.927 0.000
z 0.000 0.000 2.998


<r2> (average value of r2) Å2
<r2> 88.062
(<r2>)1/2 9.384