ChemInform Abstract: Li4Ge2B as a New Derivative of the Mo2B5 and Li5Sn2 Structure Types.

Single crystals of Li₄Ge₂B are obtained by solid state reaction of stoichiometric mixtures of the elements (sealed Ta crucible, 1473 K, 15 min; rapid cooling to 25 °C).     

ChemInform Abstract: Reinvestigation of the OP4-(Li/Na)CoO2-Layered System and First Evidence of the (Li/Na/Na)CoO2 Phase with OPP9 Oxygen Stacking.

The metastable 1:1 Li/Na-stacked OP4-Li_0.42Na_0.37CoO₂ phase is synthesized from a mixture of O3-LiCoO₂ and P2-Na_0.7CoO₂ in a molar ratio of 42:58 (sealed gold tubes, 920 °C, 24 h, very fast quenching).     

ChemInform Abstract: A Raman Spectroscopic Study of the XeOF4/XeF2 System and the X‐Ray Crystal Structure of α‐XeOF4·XeF2.

The interaction of XeF₂ with excess XeOF₄ leads to the formation of a mixture of α‐XeOF₄·XeF₂ and β‐XeOF₄·XeF₂.     

ChemInform Abstract: Tetrayttrium Difluoride Disilicate Orthosilicate,Y4F2[Si2O7][SiO4].

Colorless lath-shaped single crystals of the title compound are obtained from a melt of Y₂O₃, YF₃, and SiO₂ (2:5:3 molar ratio) using CsCl as a flux (evacuated silica tube, 973 K, 9 d, 10 K/h cooling rate).     

ChemInform Abstract: Solving the Structure of Li Ion Battery Materials with Precession Electron Diffraction: Application to Li2CoPO4F.

The crystal structure of Li₂CoPO₄F is completely solved from precession electron diffraction data, including the location of the Li atoms.     

ChemInform Abstract: Supertetrahedral Networks and Lithium‐Ion Mobility in Li2SiP2 and LiSi2P3.

Polycrystalline Li₂SiP₂ (I) and LiSi₂P₃ (II) are prepared by solid state reaction of stoichiometric amounts of the elements at 1123 K and 1223 K (II), resp.     

ChemInform Abstract: La3BaSi5N9O2:Ce3+ — A Yellow Phosphor with an Unprecedented Tetrahedra Network Structure Investigated by Combination of Electron Microscopy and Synchrotron X‐Ray Diffraction.

Agglomerates of a few μm of the yellow phosphor La₃BaSi₅N₉O₂:Ce³⁺ are obtained by heating a mixture of LaF₃, La(NH₂)₃, BaH₂, Si(NH)₂, and CeF₃ in a radio frequency furnace under N₂ (1600 °C, 10 h; cooling to 900 °C within 44 h).     

ChemInform Abstract: The Crystal and Electronic Structures of the Li2‐xAg1+xIn3 (x = 0.05) Indide.

Li_1.95Ag_1.05In₃ is prepared from the elements (Ta crucible, 1100 °C for 15 min followed by annealing at 150 °C for 1 month) and characterized by single crystal XRD and TB‐LMTO‐ASA computations.     

ChemInform Abstract: 2Mg(OH)2·MgCl2·2H2O and 2Mg(OH)2·MgCl2·4H2O,Two High Temperature Phases of the Magnesia Cement System.

The title materials exist as stable phases in the MgO—MgCl₂—H₂O system at 120 °C.     

ChemInform Abstract: Refined Crystal Structure and Idealized Structure of Mixed‐Valent Eu4F5(CN2)2: Transition Possible.

The title compound is prepared by solid state reaction of EuF₃, EuF_2+x, and Li₂(CN₂) at 700 °C and characterized by single crystal XRD, ¹⁵¹Eu Moessbauer spectroscopy, and magnetic measurements.     

ChemInform Abstract: V2O2F4 (H2O)2·H2O: A New V4+ Layer Structure Related to VOF3.

Single crystals of the title compound are prepared by hydrothermal reaction of VF₃ and H₂SeO₃ in ethylene glycol/HF (40%) in the presence of Et₂NH (autoclave, 393 K, 4 d).     

ChemInform Abstract: Rational Syntheses and Structural Characterization of Sulfur‐Rich Phosphorus Polysulfides: α‐P2S7 and β‐P2S7.

The polysulfides α‐ and β‐P₂S₇ are synthesized by heating stoichiometric mixtures of P₄S₃ and sulfur in the presence of catalytic amounts of anhydrous FeCl₃ as mineralizer (evacuated silica tube, 250 °C, 10 d).     

ChemInform Abstract: Structural and Electrochemical Study od a New Crystalline Hydrate Iron(III) Phosphate FePO4·H2O Obtained from LiFePO4(OH) by Ion Exchange.

FePO₄·H₂O is prepared by Li⁺/H⁺ exchange from an aqueous HNO₃ suspension of LiFePO₄(OH) at about 60 °C.     

ChemInform Abstract: Growth and Characterization of Acentric BaHf(BO3)2 and BaZr(BO3)2.

Single crystals of BaHf(BO₃)₂ are grown on a Pt wire from BaHfO₃ (3.5 mol%) solved in a BaB₄O₇ melt (1050 °C soaking temperature, 1000-940 °C crystallization temperature gradient).     

ChemInform Abstract: Temperature Induced Phase Transition of CaMn0.5Zr1.5(PO4)3 Phosphate.

In view of a known structural phase transition at 800—875 °C and the by 10 times increased luminescence of Mn²⁺ in the high‐temperature phase, low‐ (LT) and high‐temperature (HT) polymorphs of CaMn_0.5Zr_1.5(PO₄)₃ are prepared by sol—gel reaction of Mn(O‐Ac)₂, Ca(NO₃)₂, ZrOCl₂, and NH₄H₂PO₄ in ethylene glycol followed by a final annealing (700 or 900 °C, 20 h, resp.).     

ChemInform Abstract: Di- and Trinuclear Fluorooxoanions of Vanadium. Crystal Structures of Cs(NMe4)(V2O2F8(H2O)) and (Na,K)(NMe4)2(V3O3F12).

The compounds (I)-(IV) are prepared by reaction of V₂O₅ with 40% HF in the presence of suitable amounts of the corresponding cations.     

ChemInform Abstract: At the Border of Intermetallic Compounds and Transition‐Metal Oxides: Crystal Intergrowth of the Zintl Phase Cs4Ge9 and Cs2WO4 or Cs3VO4 as well as Nine‐Atom Cluster Relocation in the Solid State.

Compounds (III) and (VI) containing [Ge₉]^4‐ clusters and oxometallate anions WO₄^2‐ or VO₄^3‐ are characterized by single crystal XRD and Raman spectroscopy.     

ChemInform Abstract: Synthesis and Characterization of a Disordered Variant of KB5O7(OH)2.

The title compound is hydrothermally synthesized from a mixture of KNO₃, B₂O₃, and Ce(NO₃)₃·6H₂O with a molar ratio of 1:1:0.07 (autoclave, 513 K, 3 d).     

ChemInform Abstract: On Compound Formation of M′O:M2O3. Part 11. Crystal Structure of BaIn2O4.

Single crystals of the title compound, obtained from a melt after reacting intimate mixtures of BaCO₃ and In₂O₃ at 840 °C (12 h), belong to the monoclinic space group P2₁/a with Z=16.