Three Inter‐Alkali Metal Acetylides: KNaC2, KRbC2, and NaRbC2: Syntheses, Crystal Structures, and Structural Systematics

Liebig, Stefan; Billetter, Heinrich; Wallraff, Tim; Busch, Stefanie; Müller, Stefan; Ruschewitz, Uwe

doi:10.1002/zaac.201500693

Zeitschrift anorg allge chemie

2015

DOI: 10.1002/zaac.201500693

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Three Inter‐Alkali Metal Acetylides: KNaC₂, KRbC₂, and NaRbC₂: Syntheses, Crystal Structures, and Structural Systematics

Stefan Liebig

Heinrich Billetter

Tim Wallraff

et al.

Abstract: KNaC2 (I) is prepared by reacting 2 equivs.

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Cited by 4 publications

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Temperature‐Mediated Template Release: Facile Growth of Copper(I) Mixed Ethynediide/Isopropylethynide Nanoclusters

Zhang

Mak

2017

Angewandte Chemie

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In the comproportionation reaction of CuIIX2 and Cu0 with isopropylacetylene (iPr−C≡C−H), the ethynediide species C22− is generated via concomitant C−H/C−C bond cleavage of the iPr−C≡C−H precursor under moderate temperature to direct the formation of CuI mixed ethynediide/isopropylethynide nanoclusters (potentially explosive). The active ethynediide dianion C22− exhibits chameleon‐like templating behavior to form C2@Cum (m=6 (3, 4), 7 (2, 4), 8 (1)) central structural units for successive formation of {C22−⊂Cu24} (1, 2), {6 C22−⊂Cu48} (3), and {18 C22−⊂Cu92} (4) complexes. Bearing the highest C22− content, complex 4 features an unprecedented nanoscale Cu2C2 kernel. Furthermore, 1–3 exhibit structure‐controlled photoluminescence in the solid state.

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Temperature‐Mediated Template Release: Facile Growth of Copper(I) Mixed Ethynediide/Isopropylethynide Nanoclusters

Zhang

Mak

2017

Angewandte Chemie

View full text Add to dashboard Cite

show abstract

Temperature‐Mediated Template Release: Facile Growth of Copper(I) Mixed Ethynediide/Isopropylethynide Nanoclusters

Zhang

Mak

2017

Angew Chem Int Ed

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In the comproportionation reaction of Cu X and Cu with isopropylacetylene (iPr-C≡C-H), the ethynediide species C is generated via concomitant C-H/C-C bond cleavage of the iPr-C≡C-H precursor under moderate temperature to direct the formation of Cu mixed ethynediide/isopropylethynide nanoclusters (potentially explosive). The active ethynediide dianion C exhibits chameleon-like templating behavior to form C @Cu (m=6 (3, 4), 7 (2, 4), 8 (1)) central structural units for successive formation of {C ⊂Cu } (1, 2), {6 C ⊂Cu } (3), and {18 C ⊂Cu } (4) complexes. Bearing the highest C content, complex 4 features an unprecedented nanoscale Cu C kernel. Furthermore, 1-3 exhibit structure-controlled photoluminescence in the solid state.

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ChemInform Abstract: Three Inter‐Alkali Metal Acetylides: KNaC₂, KRbC₂, and NaRbC₂: Syntheses, Crystal Structures, and Structural Systematics.

Liebig¹,

Billetter²,

Wallraff³

et al. 2016

ChemInform

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Three Inter-Alkali Metal Acetylides: KNaC 2, KRbC2, and NaRbC2: Syntheses, Crystal Structures, and Structural Systematics. -KNaC 2 (I) is prepared by reacting 2 equivs. KC 2H with 2.5 equivs. Na in liquid NH3 (-70 C) followed by heating the residue in dynamic vacuum (200 C, 12 h). A similar route is used for NaRbC2 (II) with RbC 2H as the precursor. KRbC2 (III) is prepared by heating equimolar amounts of Rb 2C2 and K2C2 in a dynamic vacuum (200 C, 12 h). Compounds (I) and (III) crystallize as a variant of the anti-PbCl 2-type structure (Pnma, Z = 4, powder XRD), whereas (II) crystallizes as a variant of the anti-PbFCl-type structure (Pmmn, Z = 2). Based on a systematic approach developed by Sabrowsky et al. for inter-alkali metal chalcogenides, all known inter-alkali metal acetylides are classified into two classes: variants of the anti-PbCl2 type structure and variants of the anti-PbFCl type structure. Acetylides with molar volumes (Q(ABC 2)) 1.45 crystallize in the anti-PbCl2-type structure, whereas for Q(ABC 2) >1.45 the anti-PbFCl-type structure is found. -(LIEBIG, S.; BILLETTER, H.; WALLRAFF, T.; BUSCH, S.; MUELLER, S.; RUSCHEWITZ*, U.; Z. Anorg. Allg. Chem. 642 (2016) 1, 66-72, http://dx.

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Three Inter‐Alkali Metal Acetylides: KNaC₂, KRbC₂, and NaRbC₂: Syntheses, Crystal Structures, and Structural Systematics

Abstract: KNaC2 (I) is prepared by reacting 2 equivs.

Cited by 4 publications

References 25 publications

Temperature‐Mediated Template Release: Facile Growth of Copper(I) Mixed Ethynediide/Isopropylethynide Nanoclusters

Temperature‐Mediated Template Release: Facile Growth of Copper(I) Mixed Ethynediide/Isopropylethynide Nanoclusters

Temperature‐Mediated Template Release: Facile Growth of Copper(I) Mixed Ethynediide/Isopropylethynide Nanoclusters

ChemInform Abstract: Three Inter‐Alkali Metal Acetylides: KNaC₂, KRbC₂, and NaRbC₂: Syntheses, Crystal Structures, and Structural Systematics.

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Three Inter‐Alkali Metal Acetylides: KNaC2, KRbC2, and NaRbC2: Syntheses, Crystal Structures, and Structural Systematics

Abstract: KNaC2 (I) is prepared by reacting 2 equivs.

Cited by 4 publications

References 25 publications

Temperature‐Mediated Template Release: Facile Growth of Copper(I) Mixed Ethynediide/Isopropylethynide Nanoclusters

Temperature‐Mediated Template Release: Facile Growth of Copper(I) Mixed Ethynediide/Isopropylethynide Nanoclusters

Temperature‐Mediated Template Release: Facile Growth of Copper(I) Mixed Ethynediide/Isopropylethynide Nanoclusters

ChemInform Abstract: Three Inter‐Alkali Metal Acetylides: KNaC2, KRbC2, and NaRbC2: Syntheses, Crystal Structures, and Structural Systematics.

Contact Info

Product

Resources

About

Three Inter‐Alkali Metal Acetylides: KNaC₂, KRbC₂, and NaRbC₂: Syntheses, Crystal Structures, and Structural Systematics

ChemInform Abstract: Three Inter‐Alkali Metal Acetylides: KNaC₂, KRbC₂, and NaRbC₂: Syntheses, Crystal Structures, and Structural Systematics.