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Experimental data for C3H6O3 (1,3,5-Trioxane)

22 02 02 11 45
Other names
1,3,5-Trioxacyclohexane; 1,3,5-Trioxan; 1,3,5-Trioxane; Aldeform; Formagene; Formaldehyde, trimer; Marvosan; Metaformaldehyde; Paraform; Paraformal; Paraformaldehyde; Polymerized formaldehyde; Polyoxymethylene; s-Trioxan; s-Trioxane; s-Trixane; sym-Trioxane; Trioxan; Triformol; Trioxymethylen; Trioxymethyleen; Trioxymethylene; Trioxane; Triossimetilene; Trioxin;
INChI INChIKey SMILES IUPAC name
InChI=1S/C3H6O3/c1-4-2-6-3-5-1/h1-3H2 BGJSXRVXTHVRSN-UHFFFAOYSA-N O1COCOC1 1,3,5-Trioxane
State Conformation
1A1 C1
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation -465.76 0.50 kJ mol-1 webbook
Hfg(0K) enthalpy of formation   0.50 kJ mol-1 webbook
Entropy (298.15K) entropy 284.90 3.40 J K-1 mol-1 webbook
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 15.02   kJ mol-1 1992Dor:121
Heat Capacity (298.15K) heat capacity 81.90 3.50 J K-1 mol-1 webbook
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 A1 3020   2005Moh:179      
2 A1 2855          
3 A1 1477          
4 A1 1168          
5 A1 970          
6 A1 749          
7 A1 476          
8 A2            
9 A2 1255          
10 A2            
11 E 3020          
12 E 2855          
13 E 1477          
14 E 1412          
15 E 1309          
16 E 1168          
17 E 1068          
18 E 935          
19 E 524          
20 E 307          

vibrational zero-point energy: 20060.0 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for C3H6O3 (1,3,5-Trioxane).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
       

Calculated rotational constants for C3H6O3 (1,3,5-Trioxane).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of 1,3,5-Trioxane

Point Group C3v


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
rCO 1.421   1 4 1976Hellwege(II/7)
aOCO 112 4 1 5 1976Hellwege(II/7)
aCOC 109.5 1 5 3 1976Hellwege(II/7)

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for C3H6O3 (1,3,5-Trioxane).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 6
C-O 6

Connectivity
Atom 1 Atom 2
C1 O4
C1 O5
C1 H7
C1 H8
C2 O4
C2 O6
C2 H9
C2 H10
C3 O5
C3 O6
C3 H11
C3 H12
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A1

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference Comment
10.300   10.800   webbook approximate value for IE_vert
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 1A1 C1 True       2.080 NSRDS-NBS10 MW C3v 1 1
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 C3H6O3 (1,3,5-Trioxane).
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 1A1 C1 True       C3v 1 1

Calculated electric quadrupole moments for C3H6O3 (1,3,5-Trioxane).
Electric dipole polarizability (Å3) polarizability
alpha unc. Reference
7.020   1998Gus/Rui:163

Calculated electric dipole polarizability for C3H6O3 (1,3,5-Trioxane).

References
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squib reference DOI
1976Hellwege(II/7) Hellwege, KH and AM Hellwege (ed.). Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 7: Structure Data of Free Polyatomic Molecules. Springer-Verlag. Berlin. 1976.  
1992Dor:121 OV Dorofeeva "Ideal gas thermodynamic properties of oxygen heterocyclic compounds. Part 2. Six-membered, seven-membered and eight-membered rings" Thermochimica Acta 200 (1992) 121-150 10.1016/0040-6031(92)85111-8
1998Gus/Rui:163 M Gussoni, R Rui, G Zerbi "Electronic and relaxation contribution to linear molecular polarizability. An analysis of the experimental values" J. Mol. Struct. 447 (1998) 163-215 10.1016/S0022-2860(97)00292-5
2005Moh:179 TA Mohamed "Some periodic trends, molecular structure, normal coordinate analysis of 1,3,5,-trioxane, -trithiane and -triselenane: computational and vibrational studies" Journal of Molecular Structure: THEOCHEM 713 (2005) 179-192 10.1016/j.theochem.2004.10.020
NSRDS-NBS10 R. D. Nelson Jr., D. R. Lide, A. A. Maryott "Selected Values of electric dipole moments for molecules in the gas phase" NSRDS-NBS10, 1967 10.6028/NBS.NSRDS.10
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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