Beryllium acetate, basic

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Condensed phase thermochemistry data

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

Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
123.0298.85Momotani, Seki, et al., 1955T = 273 to 370 K. Unsmoothed experimental datum.
132.2298.95Jaffray, 1947T = 297 to 332 K. Unsmoothed experimental datum.

Phase change data

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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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple421.KN/AMomotani, Seki, et al., 1955, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 1. K; TRC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
27.56420.5AStephenson and Malanowski, 1987Based on data from 390. to 451. K.; AC

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
315.crystaline, IIcrystaline, IMomotani, Seki, et al., 1955Lambda type transition at 315 K. Transitions also indicated at 305, 350 and 398 K.; DH

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
6.5000421.crystaline, IliquidMomotani, Seki, et al., 1955DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
11.6421.crystaline, IliquidMomotani, Seki, et al., 1955DH

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Mass spectrum (electron ionization)

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin ORMSBG, 13(9)491(1978); V. A. SIPACHEV ET AL
NIST MS number 65700

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References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes

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

Momotani, Seki, et al., 1955
Momotani, M.; Seki, S.; Chihara, H.; Suga, H., Polymorphic phase transition of beryllium oxyacetate Be4O(CH3CO2)6, Bull. Chem. Soc. Japan, 1955, 28, 325-330. [all data]

Jaffray, 1947
Jaffray, J., L'anomalie de chaleur specifique presentee par les cristaux d'acetate basique de glucinium, aux environs de 40°C, Comp. rend., 1947, 225, 106-107. [all data]

Momotani, Seki, et al., 1955, 2
Momotani, M.; Seki, S.; Chihara, H.; Suga, H., Polymorphic phase transition of beryllium oyacetate Be4O(CH3CO2)6, Bull. Chem. Soc. Jpn., 1955, 28, 325. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References