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: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-303.446723
Energy at 298.15K-303.453397
HF Energy-302.538076
Nuclear repulsion energy194.102613
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 CCD/TZVP
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' 3194 3028 27.86      
2 A' 3115 2953 44.06      
3 A' 1559 1478 0.20      
4 A' 1400 1327 0.28      
5 A' 1280 1213 1.62      
6 A' 1066 1011 35.84      
7 A' 975 924 13.21      
8 A' 954 904 4.37      
9 A' 883 837 0.95      
10 A' 733 695 2.32      
11 A' 420 398 4.40      
12 A" 3177 3012 0.59      
13 A" 3106 2944 21.87      
14 A" 1540 1460 0.50      
15 A" 1393 1320 0.42      
16 A" 1249 1184 0.01      
17 A" 1192 1130 0.01      
18 A" 1077 1021 2.46      
19 A" 846 802 25.95      
20 A" 746 707 5.02      
21 A" 125 119 3.32      

Unscaled Zero Point Vibrational Energy (zpe) 15014.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 14233.6 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 CCD/TZVP
ABC
0.27612 0.25601 0.14901

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.558 -1.042 0.000
O2 0.139 -0.490 1.097
O3 0.139 -0.490 -1.097
C4 0.139 0.895 0.775
C5 0.139 0.895 -0.775
H6 1.040 1.323 1.208
H7 1.040 1.323 -1.208
H8 -0.747 1.393 1.173
H9 -0.747 1.393 -1.173

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.41191.41192.19982.19983.09973.09972.71012.7101
O21.41192.19301.42132.32792.02723.06742.08233.0791
O31.41192.19302.32791.42133.06742.02723.07912.0823
C42.19981.42132.32791.54981.08792.22011.09172.1972
C52.19982.32791.42131.54982.22011.08792.19721.0917
H63.09972.02723.06741.08792.22012.41671.78922.9783
H73.09973.06742.02722.22011.08792.41672.97831.7892
H82.71012.08233.07911.09172.19721.78922.97832.3459
H92.71013.07912.08232.19721.09172.97831.78922.3459

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 101.870 O1 O3 C5 101.870
O2 O1 O3 101.906 O2 C4 C5 103.078
O2 C4 H6 107.028 O2 C4 H8 111.238
O3 C5 C4 103.078 O3 C5 H7 107.028
O3 C5 H9 111.238 C4 C5 H7 113.478
C4 C5 H9 111.384 C5 C4 H6 113.478
C5 C4 H8 111.384 H6 C4 H8 110.346
H7 C5 H9 110.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability