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

Research output: Contribution to journalArticle

20 Citations (Scopus)

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 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.

Original languageEnglish (US)
Pages (from-to)244-250
Number of pages7
JournalJournal of Solid State Chemistry
Volume159
Issue number1
DOIs
StatePublished - 2001

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Structural properties
Crystalline materials
symmetry
synthesis
disorders
Crystal symmetry
thallium
cyanides
atoms
x rays
diffraction patterns
nuclear magnetic resonance
diffraction
metals
spectroscopy
X ray diffraction
Atoms
Thallium
Rietveld refinement
Cyanides

Keywords

  • Framework structures
  • Main-group cyanides
  • Prussian blue

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

Synthesis and structural properties of the binary framework C-N compounds of Be, Mg, Al, and Tl. / Williams, Darrick; Pleune, Brett; Leinenweber, Kurt; Kouvetakis, John.

In: Journal of Solid State Chemistry, Vol. 159, No. 1, 2001, p. 244-250.

Research output: Contribution to journalArticle

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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) {\AA}, Z = 2. The symmetry of Mg(CN)2 is also Pn3̄m, 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 Pm3̄m, a = 5.205(1) {\AA}.",
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AU - Pleune, Brett

AU - Leinenweber, Kurt

AU - Kouvetakis, John

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.

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