173)    Preferential Site Occupation in the Quasi-Ternary Channel Compounds TlCr₅S_8-ySe_y (1 ≤ y ≤ 7) Introducing Anisotropic 

           Variations of Interatomic Interactions: A Systematical Study of Their Crystal Structures

           W. Bensch, B. Sander, C. Näther, I. Jeß, O. Helmer

           Z. Anorg. Allg. Chem. 1999, 625, 83-92. DOI: 10.1002/(SICI)1521-3749(199901)625:1<83::AID-ZAAC83>3.0.CO;2-6

174)    Evidences for the formation of chromium in the unusual oxidation state Cr(IV): II. Magnetic properties and low temperature

           X-ray investigations of the nonstoichiometric channel compounds Tl_xCr₅Se₈ (0 < x < 1).

           W. Bensch, B. Sander, O. Helmer, C. Näther, F. Tuczek, A. Panich, A. Shames

           J. Solid State Chem. 1999, 145, 235-246. DOI:10.1006/jssc.1999.8257

175)    Evidences for the formation of chromium in the unusual oxidation state Cr(IV): III. Experimental electronic structure

           of the nonstoichiometric channel compounds Tl_xCr₅Se₈ (x = 1 and 0.2 ).

           W. Bensch, O. Helmer, C. Näther, M. Muhler

           J. Solid State Chem. 1999, 145, 247-252. DOI:10.1006/jssc.1999.8256

176)    Directed Syntheses of New Quaternary Niobium Oxysulfides: Crystal Structures and Properties of K₄Nb₂S₁₀O and Rb₄Nb₂S₁₀O 

           Compared to K₄Nb₂S₁₁

           O. Krause, P. Dürichen, C. Näther, W. Bensch

           Eur. J. Inorg. Chem. 1999, 1295 – 1299. DOI: 10.1002/(SICI)1099-0682(199908)1999:8<1295::AID-EJIC1295>3.0.CO;2-Y

177)    Preparation and Crystal Structure of Cs₃NbSe₄

           O. Krause, C. Näther, W. Bensch

           Acta Cryst. 1999, C 55, 1197-1199.

178)    The magnetic structures of Tl_xCr₅Se₈ (x = 1 and 0.2) as determined by Neutron scattering

            W. Bensch, C. Näther, O. Helmer, C. Ritter

            J. Alloys Comp. 1999, 290, 41-51. DOI:10.1016/S0925-8388(99)00212-1

179)    Solvothermal Synthesis, Crystal Structure and Characterization of an Oxothiomolybdate, [N(CH₃)₄]₄Mo₆O₆S₁₄, 

           Exhibiting a New Mo₆O₆S₁₄ Core

           J. Ellermeier, C. Näther, W. Bensch

           Inorg. Chem. 1999, 38, 4601-4604. DOI:10.1021/ic990021y

180)    Synthesis and crystal structure of the new quaternary polysulfide Na₈Cu₄Nb₂S₂₁ containing 

           S^2-, S₃^2--, and S₅^2- - anions in different bridging modes

          C. Rumpf, C. Näther, W. Bensch

          Inorg. Chem. 1999, 38, 4612-14. DOI:10.1021/ic9900206

181)    K₂TeS₃

           C. Rumpf, C. Näther, W. Bensch

           Acta Cryst. 1999, C 55, 1046-1047.

182)    KCu₄Se₃

           P. Stoll, C. Näther, I. Jeß, W. Bensch

           Acta Cryst. 1999, C55, 286-288.

183)    Tris(ethylenediamine-N,N‘)nickel(II) tetrathiomolybdate

           J. Ellermeier, C. Näther, W. Bensch

           Acta Cryst. 1999, C55, 501-503.

184)    The M₂Q₁₁ unit (M = Nb, Ta; Q = S,Se): A versatile building block to generate group 5 polychalcogenides. 

           W. Bensch, P. Dürichen, C. Näther (invited Review)

           Solid State Sci. 1999, t. 1, 85-108. DOI:10.1016/S1293-2558(00)80067-9

185)    Dimorphism of K₄Ta₂S₁₁: Syntheses, Crystal Structures and Properties of two Alkali

           Metal Tantalum Sulfides

           S. Herzog, C. Näther, W. Bensch

           Z. Anorg. Allg. Chem. 1999, 625, 969-974. DOI: 10.1002/(SICI)1521-3749(199906)625:6<969::AID-ZAAC969>3.0.CO;2-O

186)    Synthesis, Crystal Structure, Optical, Magnetic, and Thermal Properties of the New Heteroleptic

           Complex [Ph₄P][Cr(en)(S₅)₂]

           H. Rijnberk, C. Näther, W. Bensch

           Z. Anorg. Allg. Chem. 1999, 625, 1172-1176. DOI: 10.1002/(SICI)1521-3749(199907)625:7<1172::AID-ZAAC1172>3.0.CO;2-V

187)    (CH₃NH₃)₂Sb₂S₄, a New Thioantimonate (III) with Building Groups Stabilized by hydrogen Bonds

           M. Schur, A. Gruhl, C. Näther, I. Jess, W. Bensch

           Z. Naturforsch. 1999, 54b, 1524-28.

188)    Hydrothermale Darstellung, Struktur und Eigenschaften der Verbindungen Cr(en)₂SbS₃, Cr(en)₃SbS₄,

           [Cr(en)₃SbS₄]₂×H₂O und [Ph₄P][Cr(en)(S₅)₂]

           H. Rijnberk, M. Schur, C. Näther, W. Bensch

           Z. Kristallogr. 1999, Suppl. 16.

189)    Synthese, Struktur und magnetische Eigenschaften der multinäreren Übergangsmetallchalkogenide

           KCu_1-xAg_xMnSe₂ (x = 0-1)

           C. Rumpf, C. Näther, W. Bensch

           Z. Kristallogr. 1999, Suppl. 16.

190)    Kristallographische Untersuchungen im System ACuLn₂Q₆ (mit A = K, Rb; Ln = Ce, Eu, Gd; Q = S, Se)

           sowie der Verbindung KCuGd₂S₄

           P. Stoll, Y. Klawitter, C. Näther, W. Bensch

           Z. Kristallogr. 1999, Suppl. 16.

191)    Solvothermale Darstellung von [Mn(en)₃]Te₄

           F. Wendland, C. Näther, W. Bensch

           Z. Kristallogr. 1999, Suppl. 16.

192)    „In-Situ“ und „Ex-Situ“-Untersuchungen im System A/M(V)/Q

            O. Krause, P. Dürichen, C. Näther , W. Bensch

            Z. Kristallogr. 1999, Suppl. 16.

193)    Solvothermale Darstellung, Struktur und Eigenschaften von Molybdänchalkogeniden

           J. Ellermeier, C. Näther, W. Bensch

           Z. Kristallogr. 1999, Suppl. 16.

194)    Synthese und Kristallstruktur des neuen Alkalititanoxysulfids K₆Ti₆S₁₈O: der erste interstitielle

           Ti₆-Cluster in einer Chalkogenid-Umgebung

           R. Tillinski, C. Näther, W. Bensch

           Z. Kristallogr. 1999, Suppl. 16.

195)    KCu₂VSe₄

           R. Tillinski, C. Näther, W. Bensch

           Acta Cryst. 1999, C55, 1959-1961.

196)    Rb₂MoS₄

           J. Ellermeier, C. Näther, W. Bensch

           Acta Cryst. 1999, C55,1748-1751.

197)    The superstructure of KCuCe₂Se₆ due to ordering of copper cations.

            Y. Klawitter, C. Näther, I. Jeß, W. Bensch , M. G. Kanatzidis

            Solid State Sci. 1999, t. I, 421-431. DOI:10.1016/S1293-2558(00)80095-3