Dibenzo-18-crown-6

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Phase change data

Go To: Top, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus435.KN/ASolov'ev, Govorkova, et al., 1986Uncertainty assigned by TRC = 0.2 K; TRC
Tfus434.KN/ABiancheria, Giusti, et al., 1985Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Δvap137.0 ± 7.4kJ/molCGCNichols, Orf, et al., 2000AC
Quantity Value Units Method Reference Comment
Δsub178.8 ± 6.9kJ/molCGC-DSCNichols, Orf, et al., 2000AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
57.45435.8Domanska, 1998AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Solov'ev, Govorkova, et al., 1986
Solov'ev, V.P.; Govorkova, L.V.; Raevskii, O.A., Determination of the Purity, Melting Point and Heat of Melting of Cyclic Polyethers, Izv. Akad. Nauk SSSR, Ser. Khim., 1986, No. 3, 691-2. [all data]

Biancheria, Giusti, et al., 1985
Biancheria, A.; Giusti, J.; Paoletti, P., Analysis by DSC of the KNCS/dibenzo-18-crown-6 system: phase diagram and enthalpy changes, Thermochim. Acta, 1985, 90, 109. [all data]

Nichols, Orf, et al., 2000
Nichols, Gary; Orf, Jennifer; Reiter, Sarah M.; Chickos, James; Gokel, George W., The vaporization enthalpies of some crown and polyethers by correlation gas chromatography, Thermochimica Acta, 2000, 346, 1-2, 15-28, https://doi.org/10.1016/S0040-6031(99)00405-0 . [all data]

Domanska, 1998
Domanska, U., Measurement and correlation of the solubility of crown ethers in selected organic solvents, Pol. J. Chem., 1998, 72, 5, 925. [all data]


Notes

Go To: Top, Phase change data, References