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Volodymyr Pavlyuk

Publications and source records attributed to Volodymyr Pavlyuk.

4 recordsLinked to original sources
PubMed2006

Er5Ni3Al3Ge4: a quaternary variant of the NbCoB type.

Single crystals of pentaerbium trinickel trialuminium tetragermanium were synthesized from the elements by arc-melting. The novel compound crystallizes in the space group Pmmn, e6b2a, with all nine crystallographically unique atoms in special positions of site symmetries m.. and mm2. This compound represents a new ordered variant of the NbCoB type. Its two-layer structure is described as an intergrowth of the Er3NiAl3Ge2 (Y3NiAl3Ge2 type) and ErNiGe (TiNiSi type) structures. The coordination polyhedra are distorted pentagonal prisms around Er atoms, tetragonal prisms around Al and Ni atoms, and trigonal prisms around Ge and Ni atoms, capped with eight, four and three extra vertices, respectively.

Journal Article↗
PubMed2006

Naphthalene-1,3-diol.

The molecules of the title compound, C10H8O2, are linked by two O-H...O hydrogen bonds, which form infinite chains with a graph-set descriptor of C6. These chains are linked into puckered (100) sheets of R4(4)(8) and R4(4)(24) rings. Adjacent sheets are connected by weak C-H...pi and pi-pi interactions into a continuous three-dimensional network.

Journal Article↗
PubMed2004

2,4'-isopropylidenediphenol.

Molecules of the title compound [systematic name: 2,4'-(propane-2,2-diyl)diphenol], C15H16O2, are linked through intermolecular O-H...O hydrogen bonds into infinite zigzag chains. The molecular structure is compared with that of the related compound 4,4'-isopropylidenediphenol.

Journal Article↗