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Experimental data for H2O3 (Hydrogen trioxide)

22 02 02 11 45
Other names
trioxidane;
INChI INChIKey SMILES IUPAC name
InChI=1S/H2O3/c1-3-2/h1-2H JSPLKZUTYZBBKA-UHFFFAOYSA-N OOO trioxidane
State Conformation
1A C2
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 A 3530   webbook       Ar matrix
2 A 1347          
3 A 821          
4 A 509          
5 A 346          
6 B 3530          
7 B 1359          
8 B 776          
9 B 387          

vibrational zero-point energy: 6302.8 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for H2O3 (Hydrogen trioxide).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
1.70615 0.35651 0.31205 2005Sum/Sum:14998

Calculated rotational constants for H2O3 (Hydrogen trioxide).
Product of moments of inertia moments of inertia
25239.13amu3Å6   1.155692466795E-115gm3 cm6
Geometric Data
picture of Hydrogen trioxide

Point Group C2


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rOO 1.428   1 2 2005Sum/Sum:14998
rOH 0.963   2 4 2005Sum/Sum:14998
aOOO 107 2 1 3 2005Sum/Sum:14998
aHOO 101.1 1 2 4 2005Sum/Sum:14998
dHOOO 81.8 2 1 3 5 2005Sum/Sum:14998

Cartesians
Atom x (Å) y (Å) z (Å)
O1 0.0000 0.0000 0.6049
O2 0.0000 1.1479 -0.2445
O3 0.0000 -1.1479 -0.2445
H4 -0.9353 1.2168 -0.4632
H5 0.9353 -1.2168 -0.4632

Atom - Atom Distances bond lengths
Distances in Å
  O1 O2 O3 H4 H5
O1   1.42801.42801.86981.8698
O2 1.4280   2.29580.96302.5523
O3 1.42802.2958   2.55230.9630
H4 1.86980.96302.5523   3.0694
H5 1.86982.55230.96303.0694  

Calculated geometries for H2O3 (Hydrogen trioxide).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
O1 O2 H4 101.100 O1 O3 H5 101.100
O2 O1 O3 107.000

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
O-O 2
H-O 2

Connectivity
Atom 1 Atom 2
O1 O2
O1 O3
O2 H4
O3 H5
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1A C2 True           C2 1 3
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for H2O3 (Hydrogen trioxide).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1A C2 True       C2 1 3

Calculated electric quadrupole moments for H2O3 (Hydrogen trioxide).

References
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squib reference DOI
2005Sum/Sum:14998 K Suma, Y Sumiyoshi, Y Endo "The rotationla Spectrum and Structure of HOOOH" J. Am. Chem. Soc. 2005, 127, 14998-14999 10.1021/ja0556530
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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