Template Effect of Chain-Type Polyamines on Pore Augmentation: Five Open-Framework Zinc Phosphates with 16-Ring Channels [Chem. Mater. 2007, 19, 6114–6119

Chang, Wen-Ming; Cheng, Mingyu; Liao, Yueh-Chun; Chang, Mau Song; Wang, Sue‐Lein

doi:10.1021/cm800100j

Cited by 2 publications

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“…1a,c,22 There have been some studies on the use of a single amine for preparing a number of different structures. 8 Recently, Wang and coworkers have shown that it is possible to prepare different zinc phosphate phases using the organic amine DETA 23 which has already been shown to give rise to three different zinc phosphate phases. 24 In all these studies, there has been no correlation between the starting synthesis composition and the final solid product.…”

Section: Comment On the Synthesismentioning

confidence: 99%

Synthesis, Structure, and Polymorphism Studies in Amine-Templated Open-Framework Zinc Phosphites

Mandal

Natarajan

2008

Inorg. Chem.

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Five new zinc phosphites, [C10N4H26][Zn2(HPO3)4].2H2O, 1, [C10N4H26][Zn5(H2O)4(HPO3)6].4H2O, 2, [C10N4H26][Zn4(HPO3)6].2H2O, 3, [C10N4H26][Zn4(HPO3)6].2H2O, 4, and [Zn2(HPO3)2(C10N4H24)], 5, were synthesized employing solvo/hydrothermal reactions in the presence of 1,4-bis (3-aminopropyl) piperazine (APPIP). Single crystal X-ray diffraction studies indicate that all the compounds form a hierarchy of structures. While the structures 1 and 2 are low-dimensional, 3-5 have three-dimensional connectivity. ZnO4 and HPO3 units form a 4-membered ring and are connected through their corners forming a one-dimensional chain structure in 1. 2 has one-dimensional ladders connected by ZnO2(H2O)4 octahedral units forming a layer with 4- and 8-membered apertures. Compounds 3 and 4 have similar molecular formulae and connectivity, which makes them polymorphic in nature. The amine molecules exist in gauche and all-trans form in 3 and 4, respectively. The amine molecule binds with the zinc center in 5 and acts as a pillar between the two zinc phosphite layers. The present study outlines the possible role of synthesis parameters for the isolation of a number of different structures by employing a single amine molecule, APPIP. The observation of polymorphic structures along with the interconvertibilities of one of the phases is important and noteworthy. The 31P chemical shifts observed in NMR studies, consistent with the single crystal data, have been correlated with the valence sum values of the oxygen that are bound with the distinct phosphorus.

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Section: Comment On the Synthesismentioning

confidence: 99%

Synthesis, Structure, and Polymorphism Studies in Amine-Templated Open-Framework Zinc Phosphites

Mandal

Natarajan

2008

Inorg. Chem.

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“…For instance, in the open framework germanate system, DETA can direct the formation of SU-16, 1 FJ-17, 2 SU-46, 3 SU-22, SU-23, 4 FJ-3, 5 and LMN. 6 In the zinc phosphate system, Chang et al 7 performed experiments that showed that when varying the zinc source, temperature and solvents, DETA can direct the formation of various open framework zinc phosphate structures with different channel dimensionalities and compositions. On the other hand, DETA can also be used as a coordination reagent, which can be coordinated to transition metals to form metal complexes.…”

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confidence: 99%

Layered V–B–O polyoxometalate nets linked by diethylenetriamine complexes with dangling amine groups

Chen

Zhang

et al. 2014

Dalton Trans.

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Two layered V-B-O contained polyoxometalate (POM) net structures, denoted as SUT-12 and SUT-13, are reported here. SUT-12 was synthesized by the boric acid flux method, and it represents the first 2D structure constructed from the V6B20 vanadoborate cluster. SUT-13 was synthesized by the hydrothermal method and constructed from V12B6P12 vanadium borophosphate clusters. In both structures, the vanadoborate or vanadium borophosphate clusters were linked through in situ formed Zn(DETA)2 or Cu(DETA)2 complexes. Surprisingly, for all DETA molecules in the two metal complexes, there is one dangling amine group when it is coordinated to the metal. The phenomenon of the dangling amine group feature is abnormal and the Cu(DETA)2 complexes in SUT-13 were taken as an example and studied by the density functional theory (DFT) calculations in order to understand this unusual feature.

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Template Effect of Chain-Type Polyamines on Pore Augmentation: Five Open-Framework Zinc Phosphates with 16-Ring Channels [Chem. Mater. 2007, 19, 6114–6119

Cited by 2 publications

References 0 publications

Synthesis, Structure, and Polymorphism Studies in Amine-Templated Open-Framework Zinc Phosphites

Synthesis, Structure, and Polymorphism Studies in Amine-Templated Open-Framework Zinc Phosphites

Layered V–B–O polyoxometalate nets linked by diethylenetriamine complexes with dangling amine groups

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