return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-303.941683
Energy at 298.15K-303.947988
HF Energy-303.941683
Nuclear repulsion energy190.936028
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 B97D3/6-31+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' 3087 3034 31.83      
2 A' 3005 2953 63.27      
3 A' 1486 1460 0.27      
4 A' 1307 1285 0.00      
5 A' 1208 1187 1.07      
6 A' 940 924 28.53      
7 A' 906 890 10.07      
8 A' 852 838 0.42      
9 A' 837 823 1.28      
10 A' 673 661 0.86      
11 A' 406 399 4.71      
12 A" 3071 3018 0.57      
13 A" 2995 2944 27.79      
14 A" 1471 1446 0.46      
15 A" 1314 1291 1.51      
16 A" 1189 1168 0.05      
17 A" 1126 1106 0.02      
18 A" 978 961 0.64      
19 A" 718 705 18.20      
20 A" 528 519 52.81      
21 A" 110 108 6.98      

Unscaled Zero Point Vibrational Energy (zpe) 14102.9 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 13860.4 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 B97D3/6-31+G**
ABC
0.26899 0.24615 0.14407

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.583 -1.070 0.000
O2 0.145 -0.486 1.131
O3 0.145 -0.486 -1.131
C4 0.145 0.905 0.782
C5 0.145 0.905 -0.782
H6 1.057 1.327 1.221
H7 1.057 1.327 -1.221
H8 -0.749 1.412 1.174
H9 -0.749 1.412 -1.174

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.46641.46642.24512.24513.15043.15042.75102.7510
O21.46642.26261.43372.36552.03153.10692.09853.1169
O31.46642.26262.36551.43373.10692.03153.11692.0985
C42.24511.43372.36551.56461.09672.24141.09962.2095
C52.24512.36551.43371.56462.24141.09672.20951.0996
H63.15042.03153.10691.09672.24142.44211.80803.0003
H73.15043.10692.03152.24141.09672.44213.00031.8080
H82.75102.09853.11691.09962.20951.80803.00032.3475
H92.75103.11692.09852.20951.09963.00031.80802.3475

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 102.249 O1 O3 C5 102.249
O2 O1 O3 102.374 O2 C4 C5 103.426
O2 C4 H6 106.639 O2 C4 H8 111.475
O3 C5 C4 103.426 O3 C5 H7 106.639
O3 C5 H9 111.475 C4 C5 H7 113.668
C4 C5 H9 111.132 C5 C4 H6 113.668
C5 C4 H8 111.132 H6 C4 H8 110.245
H7 C5 H9 110.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.009      
2 O -0.178      
3 O -0.178      
4 C -0.142      
5 C -0.142      
6 H 0.168      
7 H 0.168      
8 H 0.158      
9 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.363 3.642 0.000 3.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.549 0.768 0.000
y 0.768 -28.115 0.000
z 0.000 0.000 -30.018
Traceless
 xyz
x 0.517 0.768 0.000
y 0.768 1.168 0.000
z 0.000 0.000 -1.686
Polar
3z2-r2-3.371
x2-y2-0.434
xy0.768
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.960 0.325 0.000
y 0.325 6.033 0.000
z 0.000 0.000 6.296


<r2> (average value of r2) Å2
<r2> 88.533
(<r2>)1/2 9.409