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Concomitant Metal Organic Frameworks of Cobalt(II) and 3-(4-Pyridyl)benzoate: Optimized Synthetic Conditions of Solvatochromic and Thermochromic Systems

G. Mehlana ; S. A. Bourne ; G. Ramon ; Lars Öhrström (Institutionen för kemi- och bioteknik, Fysikalisk kemi)
Crystal Growth & Design (1528-7483). Vol. 13 (2013), 2, p. 633-644.
[Artikel, refereegranskad vetenskaplig]

Two coordination networks, {[Co-(34pba)(2)]center dot DMF}(n) (1 and 2), where 34pba is 3-(4-pyridy1)benzoate, were prepared by solvothermal methods. 1 is a three-dimensional metal organic framework formed by linking [Co-2(34pba)(8)] clusters in a bcu net. 2 consists of single [Co(34pba)(4)] units in a tetragonal plane net of sql topology. The thermal conditions leading to their selective synthesis were established: 120 degrees C for 1 and 75 degrees C for 2. Their structures were solved and their thermal behavior was investigated. Further experiments established the activation energy for the desorption of the DMF molecules entrapped in their framework: 76(6)-106(16) kJ mol(-1) for 1 and 49(3)-58(3) kJ mol(-1) for 2. For 1, sorption experiments were carried out to demonstrate the ability of the coordination network to absorb different solvents, and the framework solvatochromic response was also ascertained.

Nyckelord: thermogravimetric data, inclusion, isomerism, temperature, polymorphs, chemistry, kinetics, vapor, se

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Denna post skapades 2013-03-19. Senast ändrad 2014-11-10.
CPL Pubid: 174822


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Institutioner (Chalmers)

Institutionen för kemi- och bioteknik, Fysikalisk kemi (2005-2014)


Nanovetenskap och nanoteknik

Chalmers infrastruktur