Synthesis and structural properties of the binary framework C-N compounds of Be, Mg, Al, and Tl

Darrick Williams; Brett Pleune; Kurt Leinenweber; John Kouvetakis

doi:10.1006/jssc.2001.9192

Synthesis and structural properties of the binary framework C-N compounds of Be, Mg, Al, and Tl

Darrick Williams, Brett Pleune, Kurt Leinenweber, John Kouvetakis

CLAS-NS: Molecular Sciences, School of (SMS)

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

The synthesis of crystalline Be(CN)₂ and Mg(CN)₂ has been demonstrated and X-ray diffraction studies indicate simple-cubic structures with four-coordinate metal atoms surrounded by an average of two N and two C atoms. The symmetry of Be(CN)₂ is Pn3̄m, a = 5.339(1) Å, Z = 2. The symmetry of Mg(CN)₂ is also Pn3̄m, a = 6.122(1) Å, Z = 2. A thallium cyanide with composition Tl(CN)₂ was prepared and was shown to have a similar simple-cubic structure with a = 6.660(1) Å. On the basis of the X-ray diffraction pattern, IR spectra, and combustion analysis, this material is assigned the formula Tl^ITl^III(CN)₄. Crystalline Al(CN)₃ with simple-cubic structure has been prepared for the first time. Rietveld refinement indicated that the structure incorporates CN groups with orientational disorder in a Prussian-blue-like octahedral network. ²⁷Al NMR spectroscopy confirmed C,N disorder in cubic Al(CN)₃. The symmetry for Al(CN)₃ is Pm3̄m, a = 5.205(1) Å.

Original language	English (US)
Pages (from-to)	244-250
Number of pages	7
Journal	Journal of Solid State Chemistry
Volume	159
Issue number	1
DOIs	https://doi.org/10.1006/jssc.2001.9192
State	Published - 2001

Keywords

Framework structures
Main-group cyanides
Prussian blue

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1006/jssc.2001.9192

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title = "Synthesis and structural properties of the binary framework C-N compounds of Be, Mg, Al, and Tl",

abstract = "The synthesis of crystalline Be(CN)2 and Mg(CN)2 has been demonstrated and X-ray diffraction studies indicate simple-cubic structures with four-coordinate metal atoms surrounded by an average of two N and two C atoms. The symmetry of Be(CN)2 is Pn{\=3}m, a = 5.339(1) {\AA}, Z = 2. The symmetry of Mg(CN)2 is also Pn{\=3}m, a = 6.122(1) {\AA}, Z = 2. A thallium cyanide with composition Tl(CN)2 was prepared and was shown to have a similar simple-cubic structure with a = 6.660(1) {\AA}. On the basis of the X-ray diffraction pattern, IR spectra, and combustion analysis, this material is assigned the formula TlITlIII(CN)4. Crystalline Al(CN)3 with simple-cubic structure has been prepared for the first time. Rietveld refinement indicated that the structure incorporates CN groups with orientational disorder in a Prussian-blue-like octahedral network. 27Al NMR spectroscopy confirmed C,N disorder in cubic Al(CN)3. The symmetry for Al(CN)3 is Pm{\=3}m, a = 5.205(1) {\AA}.",

keywords = "Framework structures, Main-group cyanides, Prussian blue",

author = "Darrick Williams and Brett Pleune and Kurt Leinenweber and John Kouvetakis",

note = "Funding Information: We thank the National Science Foundation (DMR-9902417) and the Army Research O$ce (ARO) for {"}nancial support. One of us (DW) acknowledges support from NSF Grant DMR 9458047.",

year = "2001",

doi = "10.1006/jssc.2001.9192",

language = "English (US)",

volume = "159",

pages = "244--250",

journal = "Journal of Solid State Chemistry",

issn = "0022-4596",

publisher = "Academic Press Inc.",

number = "1",

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TY - JOUR

T1 - Synthesis and structural properties of the binary framework C-N compounds of Be, Mg, Al, and Tl

AU - Williams, Darrick

AU - Pleune, Brett

AU - Leinenweber, Kurt

AU - Kouvetakis, John

N1 - Funding Information: We thank the National Science Foundation (DMR-9902417) and the Army Research O$ce (ARO) for "nancial support. One of us (DW) acknowledges support from NSF Grant DMR 9458047.

PY - 2001

Y1 - 2001

N2 - The synthesis of crystalline Be(CN)2 and Mg(CN)2 has been demonstrated and X-ray diffraction studies indicate simple-cubic structures with four-coordinate metal atoms surrounded by an average of two N and two C atoms. The symmetry of Be(CN)2 is Pn3̄m, a = 5.339(1) Å, Z = 2. The symmetry of Mg(CN)2 is also Pn3̄m, a = 6.122(1) Å, Z = 2. A thallium cyanide with composition Tl(CN)2 was prepared and was shown to have a similar simple-cubic structure with a = 6.660(1) Å. On the basis of the X-ray diffraction pattern, IR spectra, and combustion analysis, this material is assigned the formula TlITlIII(CN)4. Crystalline Al(CN)3 with simple-cubic structure has been prepared for the first time. Rietveld refinement indicated that the structure incorporates CN groups with orientational disorder in a Prussian-blue-like octahedral network. 27Al NMR spectroscopy confirmed C,N disorder in cubic Al(CN)3. The symmetry for Al(CN)3 is Pm3̄m, a = 5.205(1) Å.

AB - The synthesis of crystalline Be(CN)2 and Mg(CN)2 has been demonstrated and X-ray diffraction studies indicate simple-cubic structures with four-coordinate metal atoms surrounded by an average of two N and two C atoms. The symmetry of Be(CN)2 is Pn3̄m, a = 5.339(1) Å, Z = 2. The symmetry of Mg(CN)2 is also Pn3̄m, a = 6.122(1) Å, Z = 2. A thallium cyanide with composition Tl(CN)2 was prepared and was shown to have a similar simple-cubic structure with a = 6.660(1) Å. On the basis of the X-ray diffraction pattern, IR spectra, and combustion analysis, this material is assigned the formula TlITlIII(CN)4. Crystalline Al(CN)3 with simple-cubic structure has been prepared for the first time. Rietveld refinement indicated that the structure incorporates CN groups with orientational disorder in a Prussian-blue-like octahedral network. 27Al NMR spectroscopy confirmed C,N disorder in cubic Al(CN)3. The symmetry for Al(CN)3 is Pm3̄m, a = 5.205(1) Å.

KW - Framework structures

KW - Main-group cyanides

KW - Prussian blue

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Synthesis and structural properties of the binary framework C-N compounds of Be, Mg, Al, and Tl

Abstract

Keywords

ASJC Scopus subject areas

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