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Themed collection In memory of Peter Day

45 items
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Ion–radical salts: a new type of molecular ferrimagnet

Ion–radical salts composed of organo-sulfur donor cations and 3d-complex anions show long-range ferrimagnetic order.

Graphical abstract: Ion–radical salts: a new type of molecular ferrimagnet
From the themed collection: In memory of Peter Day
20th Anniversary Article

Chiral conducting salts of BEDT-TTF containing a single enantiomer of tris(oxalato)chromate(III) crystallised from a chiral solvent

Two polymorphs of the chiral conductor (BEDT-TTF)3NaCr(C2O4)3·CH3NO2 have been crystallised from racemic tris(oxalato)chromate(III) in a chiral electrolyte.

Graphical abstract: Chiral conducting salts of BEDT-TTF containing a single enantiomer of tris(oxalato)chromate(III) crystallised from a chiral solvent
From the themed collection: In memory of Peter Day
Communication

A molecular charge transfer salt of BEDT-TTF containing a single enantiomer of tris(oxalato)chromate(III) crystallised from a chiral solvent

The first chiral BEDT-TTF-tris(oxalato)metallate(III) salt has been crystallised from a solution containing the racemic anion in the chiral solvent (R)-(−)-carvone.

Graphical abstract: A molecular charge transfer salt of BEDT-TTF containing a single enantiomer of tris(oxalato)chromate(III) crystallised from a chiral solvent
From the themed collection: In memory of Peter Day
Communication

Novel enantiopure bis(pyrrolo)tetrathiafulvalene donors exhibiting chiral crystal packing arrangements

Two novel enantiopure bis(pyrrolo[3,4-d])tetrathiafulvalene derivatives, substrates for preparing chiral conducting materials, show chiral crystal packing arrangements in which successive layers are rotated in accordance with an exact or approximate 43 axis.

Graphical abstract: Novel enantiopure bis(pyrrolo)tetrathiafulvalene donors exhibiting chiral crystal packing arrangements
From the themed collection: In memory of Peter Day
Communication

Metallic molecular crystals containing chiral or racemic guest molecules

Metallic charge-transfer salts of BEDT-TTF containing both racemic (R/S)- and chiral (S)-sec-phenethyl alcohol as guest molecules have been crystallised. Their structures and physical properties are compared.

Graphical abstract: Metallic molecular crystals containing chiral or racemic guest molecules
From the themed collection: In memory of Peter Day
Communication

Superstructures of donor packing arrangements in a series of molecular charge transfer salts

A series of three semiconducting BEDT-TTF charge transfer salts with tris(oxalato)metallate anions have unit cells that uniquely contain layers of donors packed in both the α and β″ packing motifs.

Graphical abstract: Superstructures of donor packing arrangements in a series of molecular charge transfer salts
From the themed collection: In memory of Peter Day
Communication

The first molecular charge transfer salt containing proton channels

From the themed collection: In memory of Peter Day
Open Access Paper

Contrasting crystal packing arrangements in triiodide salts of radical cations of chiral bis(pyrrolo[3,4-d])tetrathiafulvalenes

Triiodides are arranged in head to tail pairs, infinite lines or a castellated arrangement in the radical cation salts of chiral bis(N(1-arylethyl))pyrrolo-tetrathiafulvalene salts.

Graphical abstract: Contrasting crystal packing arrangements in triiodide salts of radical cations of chiral bis(pyrrolo[3,4-d])tetrathiafulvalenes
From the themed collection: In memory of Peter Day
Paper

Synthesis of bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) derivatives functionalised with two, four or eight hydroxyl groups

A range of polyhydroxylated BEDT-TTF derivatives is described including a single diastereomer bearing four –CH2OH groups, and a single enantiomer bearing four CH(OH)CH2OH groups and containing eight stereogenic centres.

Graphical abstract: Synthesis of bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) derivatives functionalised with two, four or eight hydroxyl groups
From the themed collection: In memory of Peter Day
Paper

Multi-layered molecular charge-transfer salts containing alkali metal ions

Two new BEDT-TTF charge-transfer salts, novel examples of multi-layered stacking, demonstrate the potential of such structures for combining properties such as electronic and ionic conduction with chirality and magnetism.

Graphical abstract: Multi-layered molecular charge-transfer salts containing alkali metal ions
From the themed collection: In memory of Peter Day
Paper

Synthetic strategies to chiral organosulfur donors related to bis(ethylenedithio)tetrathiafulvalene

Syntheses are reported for three enantiopure organosulfur donors which are substrates for preparing chiral electroactive materials.

Graphical abstract: Synthetic strategies to chiral organosulfur donors related to bis(ethylenedithio)tetrathiafulvalene
From the themed collection: In memory of Peter Day
Paper

Synthesis, structure and magnetic properties of organic-intercalated bimetallic molecular-based ferrimagnets (n-CnH2n+1)PPh3MIIFeIII(C2O4)3, (MII = Mn, Fe; n = 3–7)

Increasing the alkyl chain length from C3 to C7 increases the interlayer spacing in (n-CnH2n+1)PPh3MIIFeIII(C2O4)3 ferrimagnets by 15% but Tc is unchanged.

Graphical abstract: Synthesis, structure and magnetic properties of organic-intercalated bimetallic molecular-based ferrimagnets (n-CnH2n+1)PPh3MIIFeIII(C2O4)3, (MII = Mn, Fe; n = 3–7)
From the themed collection: In memory of Peter Day
Paper

Preparation, X-ray crystal structures and properties of α-(BEDT-TTF)2[FeIII(phen)(NCS)4]·2CH2Cl2 and (BEDT-TTF)[CrIII(isoq)2(NCS)4] (phen = 1,10-phenanthroline; isoq = isoquinoline)

From the themed collection: In memory of Peter Day
Paper

New superconducting charge-transfer salts (BEDT-TTF)4[A·M(C2O4)3]·C6H5NO2  (A = H3O or NH4, M = Cr or Fe, BEDT-TTF = bis(ethylenedithio)tetrathiafulvalene)

Graphical abstract: New superconducting charge-transfer salts (BEDT-TTF)4[A·M(C2O4)3]·C6H5NO2  (A = H3O or NH4, M = Cr or Fe, BEDT-TTF = bis(ethylenedithio)tetrathiafulvalene)
From the themed collection: Metal-organic conductors (enriched issue)
Paper

TTF based charge transfer salts of [Cr(NCS)4(phen)]: bulk magnetic order and crystal structures of the TTF, TMTTF (tetramethyltetrathiafulvalene) and TMTSF (tetramethyltetraselenafulvalene) derivatives

From the themed collection: In memory of Peter Day
Paper

TTF based charge transfer salts of [M(NCS)4(C9H7N)2] where M = Cr, Fe and C9H7N = isoquinoline; observation of bulk ferrimagnetic order

From the themed collection: In memory of Peter Day
Paper

Polymorphism based on molecular stereoisomerism in tris(oxalato) Cr(III) salts of bedt-ttf [bis(ethylenedithio)tetrathiafulvalene]

From the themed collection: In memory of Peter Day
Paper

Synthesis, crystal structure and properties of the semiconducting molecular charge-transfer salt (bedt-ttf)2Ge(C2O4)3·PhCN [bedt-ttf=bis(ethylenedithio)tetrathiafulvalene]

From the themed collection: In memory of Peter Day
Paper

New molecular superconductor containing paramagnetic chromium(iii) ions

From the themed collection: In memory of Peter Day
Paper

Co-ordination complexes as organic–inorganic layer magnets

From the themed collection: In memory of Peter Day
Paper

Quasi-one-dimensional bis(ethylenedithio)tetrathiafulvalene charge- transfer salts with paramagnetic Group 6 anions

From the themed collection: In memory of Peter Day
Paper

Molecular magnetic semiconductors, metals and superconductors:BEDT-TTF salts with magnetic anions

From the themed collection: In memory of Peter Day
Paper

Structural properties of A2SnO4(A = Ba,Sr). A neutron diffraction study

From the themed collection: In memory of Peter Day
Paper

Crystal structure and magnetic properties of the layer ferrimagnet N(n-C5H11)4MnIIFeIII(C2O4)3

From the themed collection: In memory of Peter Day
Paper

Synthesis and magnetism of mixed valency [N(n-C4H9)4 or P(C6H5)4]CrIICrIII(C2O4)3

From the themed collection: In memory of Peter Day
Paper

β″-(bedt-ttf)4[(H2O)Fe(C2O4)3]·PhCN: the first molecular superconductor containing paramagnetic metal ions

From the themed collection: In memory of Peter Day
Paper

Molecular-based mixed valency ferrimagnets (XR4)FeIIFeIII(C2O4)3(X = N, P; R =,n-propyl, n-butyl, phenyl): anomalous negative magnetisation in the tetra-n-butylammonium derivative

From the themed collection: In memory of Peter Day
Paper

Crystal structures and properties of two modifications of the molecular charge-transfer salt (BEDT-TTF)2Ag(CN)2[BEDT-TTF = bis(ethylenedithio)tetrathiafulvalene]

From the themed collection: In memory of Peter Day
Paper

Feature article. Organic-intercalated halogenochromates(II): low-dimensional magnets

From the themed collection: In memory of Peter Day
Paper

Crystal structures and physical properties of bis(ethylenedithio)-tetrathiafulvalene charge-transfer salts with FeX4(X = Cl or Br) anions

From the themed collection: In memory of Peter Day
Paper

A novel conducting charge-transfer salt: (BEDT-TTF)3Cl2·2H2O

From the themed collection: In memory of Peter Day
Paper

Electronic spectrum of the manganate(V) ion in different host lattices

From the themed collection: In memory of Peter Day
Paper

Charge transfer in mixed-valence solids. Part VIII. Contribution of valence delocalisation to the ferromagnetism of Prussian Blue

From the themed collection: In memory of Peter Day
Paper

Bis(monoalkylammonium) tetrachlorochromates(II): a new series of two-dimensional ionic ferromagnets

From the themed collection: In memory of Peter Day
Paper

Charge transfer in mixed valence solids. Part VII. Perturbation calculations of valence delocalization in iron(II,III) cyanides and silicates

From the themed collection: In memory of Peter Day
Paper

Polarization, temperature dependence and absorption mechanism of the electronic transitions in some linear antiferromagnets

From the themed collection: In memory of Peter Day
Paper

Charge transfer in mixed-valence solids. Part V. Semiconductivity of hexachloroantimonates(III,V)

From the themed collection: In memory of Peter Day
Paper

The spectra of complexes of conjugated ligands. Part III. Charge-transfer spectra of bisnioximebis(substituted pyridine)iron(II) complexes

From the themed collection: In memory of Peter Day
Paper

Charge transfer in mixed-valence solids. Part IV. Electronic spectra of hexachloroantimonates(III,V)

From the themed collection: In memory of Peter Day
Paper

Some reactions of cobalt phthalocyanines

From the themed collection: In memory of Peter Day
Paper

The vibrational spectra of some chloro-anions

From the themed collection: In memory of Peter Day
Paper

Far-ultraviolet spectra of metal halide complexes

From the themed collection: In memory of Peter Day
Paper

The spectra of complexes of conjugated ligands. Part I. Charge-transfer in phenanthroline complexes: energy shifts on substitution

From the themed collection: In memory of Peter Day
Paper

The spectra of complexes of conjugated ligands. Part II. Charge-transfer in substituted phenanthroline complexes: intensities

From the themed collection: In memory of Peter Day
Paper

740. Charge-transfer spectra of some inorganic complexes in solution

From the themed collection: In memory of Peter Day
45 items

About this collection

Professor Peter Day, who sadly passed away on May 19, 2020 at the age of 81, was a true pioneer in the field of materials chemistry. During his career, he made a substantial contribution to the development of mixed-valence chemistry and molecular electronic materials. In the search for unusual magnetic and electron transport properties, his research centred on the synthesis and characterisation of molecular inorganic and metal-organic solids.

Peter Day has been very involved with the Journal of Materials Chemistry, leading the journal through the millennium as Scientific Advisory Editor. In this tribute to Peter Day, we have collated a number of his publications across the journals Chemical Communications, CrystEngComm, Dalton Transactions, Journal of the Chemical Society A: Inorganic, Physical, Theoretical, Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics, Journal of Materials Chemistry and Organic & Biomolecular Chemistry. The publications span Peter’s entire research career and we hope you enjoy revisiting some of his exceptional work, which even today continue to inspire new research.

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