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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-302.199245
Energy at 298.15K-302.205874
HF Energy-302.199245
Nuclear repulsion energy191.398474
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 HSEh1PBE/3-21G
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 3176 3060 0.44      
2 A 3100 2987 0.09      
3 A 1579 1521 0.03      
4 A 1408 1356 0.86      
5 A 1212 1167 0.23      
6 A 1121 1080 0.27      
7 A 1009 972 7.12      
8 A 946 912 14.00      
9 A 891 858 42.84      
10 A 722 696 0.61      
11 A 359 346 7.14      
12 B 3179 3063 48.68      
13 B 3095 2981 91.87      
14 B 1559 1502 3.25      
15 B 1350 1301 4.20      
16 B 1192 1148 1.89      
17 B 1109 1068 8.57      
18 B 1042 1004 156.53      
19 B 870 838 0.79      
20 B 667 642 4.00      
21 B 168 161 22.12      

Unscaled Zero Point Vibrational Energy (zpe) 14877.2 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 14331.3 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 HSEh1PBE/3-21G
ABC
0.25990 0.25836 0.14608

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.200
C2 0.000 1.152 0.335
C3 0.000 -1.152 0.335
O4 -0.367 -0.648 -0.969
O5 0.367 0.648 -0.969
H6 -0.993 1.617 0.321
H7 0.993 -1.617 0.321
H8 0.769 1.869 0.624
H9 -0.769 -1.869 0.624

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.44131.44132.29372.29372.09082.09082.10162.1016
C21.44132.30492.25281.44571.09592.94171.09033.1312
C31.44132.30491.44572.25282.94171.09593.13121.0903
O42.29372.25281.44571.48852.68032.11033.18792.0477
O52.29371.44572.25281.48852.11032.68032.04773.1879
H62.09081.09592.94172.68032.11033.79421.80533.5059
H72.09082.94171.09592.11032.68033.79423.50591.8053
H82.10161.09033.13123.18792.04771.80533.50594.0421
H92.10163.13121.09032.04773.18793.50591.80534.0421

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 73.068 O1 C2 H6 110.246
O1 C2 H8 111.472 O1 C3 O5 73.068
O1 C3 H7 110.246 O1 C3 H9 111.472
C2 O1 C3 106.181 C2 O4 O5 39.153
C3 O5 O4 39.153 O4 C2 H6 100.595
O4 C2 H8 142.527 O5 C3 H7 100.595
O5 C3 H9 142.527 H6 C2 H8 111.335
H7 C3 H9 111.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability