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Single crystals of the title amidozincate of several centimeters in dimensions are grown under ammonothermal conditions in the cold temperature zone of an autoclave using Zn powder and CsNH2 in a 1:2 molar ratio (stainless steel autoclave, 523→≈423 K, 155 MPa, 12 h). [ABSTRACT FROM AUTHOR]

Polycrystalline Ho2W3O12 is prepared by calcination of stoichiometric amounts of Ho2O3 and WO3 in air (1100 °C, 10 h) with different cooling treatments (850 °C plus furnace cooling or 1100 °C plus quenching in H2O) to probe the relationship between phase formation and preparative conditions. [ABSTRACT FROM AUTHOR]

The first catalytic asymmetric aminotrifluoromethylation of alkenes by using Togni′s reagent (II) has been developed. [ABSTRACT FROM AUTHOR]

Ln(BH4)3 (Ln: La, Ce) is synthesized from mixtures of LnCl3 and LiBH4 in toluene (25 °C, 72 h). [ABSTRACT FROM AUTHOR]

Review: 143 refs. [ABSTRACT FROM AUTHOR]

Compounds (IV) and (V) are characterized by single crystal XRD and UV/VIS spectroscopy. [ABSTRACT FROM AUTHOR]

Four stable two-dimensional boron hydride sheets (C2/m, Pbcm, Cmmm, and Pmmn) are identified by DFT calculations and global minimum search with the particle-swarm optimization method. [ABSTRACT FROM AUTHOR]

Review: 102 refs. [ABSTRACT FROM AUTHOR]

Review: 453 refs. [ABSTRACT FROM AUTHOR]

The title compounds are prepared from mixtures of ball milled MH2 (M: Sr, Ba, Eu) and excess Et3NBH3 (100 °C for 24 h and 145 °C for 5 h). [ABSTRACT FROM AUTHOR]

Crystal structures based on powder XRD and hydrogenation properties of 24 Pd-rich intermetallics are presented. [ABSTRACT FROM AUTHOR]

The structure and bonding of the new title compounds are characterized by powder XRD, neutron diffraction, inelastic neutron scattering, and DFT calculations. [ABSTRACT FROM AUTHOR]

At ultrahigh pressure (<110 GPa), H2S is converted into a metallic phase that becomes superconducting with a Tc of ≈200 K. [ABSTRACT FROM AUTHOR]

Single crystals of ZnF2(NH3)3 (I) are prepared by ammonothermal reaction of ZnF2, Zn, NH4F, and NH3 (autoclave, 250 °C, 196 MPa). [ABSTRACT FROM AUTHOR]

AnGd(BH4)n+3 (A: K, Cs) are prepared by ball milling of appropriate amounts of alkali borohydrides and Gd(BH4)3 under an inert atmosphere (600 rpm, 2 min, 60 repetitions; 5 min cooling break). [ABSTRACT FROM AUTHOR]

Single phase Pd5As is prepared by heating stoichiometric amounts of the elements (evacuated silica tubes, 973 K, 4 d). [ABSTRACT FROM AUTHOR]

A new phase of SnH4 with C2/m symmetry is predicted by first-principle calculations using the Vienne ab initio simulation package (VSAP code) at pressures <400 GPa. [ABSTRACT FROM AUTHOR]

Bi[B12H12]·3H2O (I) and Bi[B12H12]·6H2O (II) are obtained by dehydration of an aqueous mixture of Bi2O3(CO3) and (H3O)[B12H12] at 40 °C. [ABSTRACT FROM AUTHOR]

α-Mn(BH4)2 is prepared by high-energy ball milling of stoichiometric amounts of LiBH4 and MnCl2 or by metathesis reaction of the latter precursors in Et2O to yield NaMn2(BH4)2·2Et2O followed by desolvation under vacuum at 110 °C. [ABSTRACT FROM AUTHOR]

NdGaH1.66 and its deuterated analogue are obtained by heating NdGa with H2 or D2 (autoclave, 10-20 bar, 300 °C, up to 48 h) and characterized by powder neutron diffraction, thermal desorption mass spectrometry, and magnetic measurements. [ABSTRACT FROM AUTHOR]

Review: 69 refs. [ABSTRACT FROM AUTHOR]

The series of hydrogen-rich compounds M(BH3NH2BH2NH2BH3) (M: Li, Na, K, Rb, Cs) is prepared at room temperature by metathesis reaction of (HVeb)(BH3NH2BH2NH2BH3 ) (Veb: Verkade′s base, 2,8,9-triisobutyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane) with M[Al{OC(CF3)3}4] at a molar ratio of 1:1 using anhydrous CH2Cl2 as the solvent (1 h). [ABSTRACT FROM AUTHOR]

Stable compounds, crystal structures, and properties of polonium hydrides are investigated by DFT calculations. [ABSTRACT FROM AUTHOR]

First-principles calculations and structure prediction simulations for the SnHn (n = 0.33-8) series using the ELocR code reveals the presence of a new SnH8 crystal with space group I $\bar 4$m2 aside of the common SnH4 at 150-350 GPa. [ABSTRACT FROM AUTHOR]

The [B12Cl11NH3]- anion in (IV) and [B12Cl11OH]2- in (VIII) are prepared by chlorination of the corresponding hydride precursors with SO2Cl2 instead of SbCl5 or gaseous Cl2. [ABSTRACT FROM AUTHOR]

[Fe(PO4)(N2H4)]n is prepared under hydrothermal conditions using an aqueous solution of FeCl2 and N2H2 to which KH2PO4 is added (autoclave, 433 K, 10 h). [ABSTRACT FROM AUTHOR]

The deuterium positions of orthorhombic and tetragonal CsAlD4 are predicted by DFT calculations and refined from time-of-flight neutron powder diffraction data. [ABSTRACT FROM AUTHOR]

Single crystals of (H3NOH)3PO4 are formed from a 1:3 molar mixture of H3PO4 and NH2OH upon cooling. [ABSTRACT FROM AUTHOR]

Single crystals of [Pu2(OH)2(NO3)6 (H2O)4]2·11H2O (I) and Pu2(OH)2(NO3)6 (H2O)4·2H2O (II) are obtained by evaporation of aqueous stock solutions of 25 mM 242Pu in 4 M HNO3. [ABSTRACT FROM AUTHOR]

Single crystals of [Cr(H2O)6]2 [B12H12]3·15H2O and [In(H2O)6]2 [B12H12]3·15H2O are obtained by reactions of aqueous solutions of the acid (H3O)2[B12H12] with Cr(OH)3 and In, respectively. [ABSTRACT FROM AUTHOR]

Colorless single crystals of the polyoxoniobate K5 [H2AgNb6O19]·11H2O are synthesized by a combination of hydrothermal and diffusional methods from an aqueous mixture of K7HNb6O19, AgNO3, NH3, and HNO3 (autoclave, 160 °C, 22 h; 14% yield). [ABSTRACT FROM AUTHOR]

Sr3LiAs2H is prepared by melting and sintering of the elements and LiH in the molar ratio of Sr:LiH:Li:As = 3:1:1:2 (Ta crucible, 1. [ABSTRACT FROM AUTHOR]

Na[Al(NH2BH3)4] is obtained by ball milling of a NaAlH4-4AB (AB: NH3BH3) composite under the release of 4.5 wt.% of H2. [ABSTRACT FROM AUTHOR]

Single crystals of (NH4)2SnCl6 are obtained by thermal decomposition of SnCl4·5NH3 in the gas phase under a stream of gaseous NH3 (quartz tube, 298 °C, 6 h). [ABSTRACT FROM AUTHOR]

LiNH4(H2PO4)2 is prepared from an equimolar aqueous mixture of NH4H2PO4 and LiH2PO4 by slow evaporation at 25 °C. [ABSTRACT FROM AUTHOR]

Solvent- and halide-free ammine rare earth metal borohydrates Ln(BH4)3·nNH3 (Ln: Y, Gd, Dy; n = 7, 6, 5, 4, 2, 1) are synthesized by combined mechanochemistry and solvent-based metathesis reactions of LiBH4 and LnCl3 in the ratio of 3:1, followed by reaction of the produced Ln(BH4)3 with an excess of NH3 gas, yielding Ln(BH4)3·7NH3, that stepwise releases ammonia on thermal treatment. [ABSTRACT FROM AUTHOR]

Cd(NH3)2 [B3O5(NH3)]2 is prepared by high-pressure reaction of a 1:3:4 molar mixture of CdO, B2O3, and 28% aq. [ABSTRACT FROM AUTHOR]

Single crystals (3 mm length) of Li4[Zn(NH2)4](NH2)2 are obtained from Li and Zn, (ratio of 1:4-1:5) in supercritical NH3 (autoclave, 158 MPa, 723 K). [ABSTRACT FROM AUTHOR]

Isotypic MH4P6N12 (M: Mg, Ca) compounds are prepared by high-pressure/high-temperature reactions of stoichiometric amounts of M3N2, HPN2, and P3N5 (multi-anvil press, 8 GPa, 1000 °C, 2 h). [ABSTRACT FROM AUTHOR]

The reactivity and mechanism of the solid state topotactic reduction of Sr2MnO4 using the series of metal hydrides LiH, NaH, CaH2, MgH2, SrH2, and BaH2 are characterized by powder XRD and TGA/DTA. [ABSTRACT FROM AUTHOR]

The entitled Mn complex is obtained from the filtrate of an 8:4 molar mixture of Mn(O-Ac)2 and CAN in warm MeNO2 with an excess of AcOH (3 d, 40 % yield). [ABSTRACT FROM AUTHOR]

Review: synthesis, structure and physicochemical properties; 70 refs. [ABSTRACT FROM AUTHOR]

Single crystals of SrBa2(NH2)6 are obtained from the ammonothermal reaction of Ba and Sr (Ni alloy 718 autoclave, 180 MPa NH3, 573 K, 36 h). [ABSTRACT FROM AUTHOR]

The H2O/ZnCl2 phase diagram is re-investigated in the vicinity of 75 mol% H2O. [ABSTRACT FROM AUTHOR]

Tetragonal LaPtSi-type mixed-anion arsenides LaMAsHx (M: Co, Ni, or Cu) are prepared by high-temperature, high-pressure reaction of appropriate amounts of M and LaAs (h-BN sleeve with Ca(OH)2 and NaBH4 as H source in anvil cell, 1473-1573 K, 2.5-5 GPa, 0.5-1 h). [ABSTRACT FROM AUTHOR]

Ba3Si4Hx (x = 1-2) is prepared by pressurized sintering of the Si46- butterfly-shaped polyanions containing Zintl phase Ba3Si4 in H2 (corundum crucible in an autoclave, 10 bar H2 (20 bar D2), 300 °C, 40 h). [ABSTRACT FROM AUTHOR]

The metallization, superconductivity, and high-pressure structures of AlH3(H2) are explored at 25-300 GPa by ab initio first principle calculations. [ABSTRACT FROM AUTHOR]

The system Li-M-Y-BH4 (M: K, Rb, Cs) contains five new compounds, KY(BH4)4 (I), RbY(BH4)4 (II), Rb3Y(BH4)6 (III), Cs2Y(BH4)5 (IV), and Cs3Y(BH4)6 (V) which are characterized by synchrotron powder XRD, FTIR spectroscopy, impedance spectroscopy, and periodic DFT calculations. [ABSTRACT FROM AUTHOR]

The title γ-P4N6(NH) polymorph is obtained by high-temperature high-pressure synthesis using P3N5 and NH4Cl in the molar ratio of 4:1 (multianvil cell, 14 GPa, 1200 °C, 3 h). [ABSTRACT FROM AUTHOR]

The title compounds are synthesized from melts of composition A:M:O:H = 21:2:5:24 (A: Sr, Ba; M: Zn, Cd, Hg, In, Tl Si, Ge, Sn, Pb, As, Sb, Bi) using BaH2/SrH2 as hydrogen sources. [ABSTRACT FROM AUTHOR]