Synthesis and Characterization of the Germanium Sulfonate Ge(CH₃SO₃)₂ – a 3D Coordination Network Solid

Abstract

The reaction of germanium(II)‐bis(2‐methoxyphenyl)methoxide with methanesulfonic acid provides the germanium(II) sulfonate Ge(CH3SO3)2 (1), which was characterized by X‐ray diffraction, elemental analysis, NMR spectroscopy, and IR spectroscopy. The decomposition process of 1 was investigated by thermal gravimetric analysis (TGA) and temperature‐dependent X‐ray powder diffraction (PXRD) and both are consistent with the formation of GeO2 as major final product. Single crystal X‐ray diffraction at 110 K revealed the chiral tetragonal space group P41212 and formation of a three‐dimensional (3D) coordination network solid. The 3D network is composed of interconnected twenty four‐membered rings comprising bridging methanesulfonate groups, which link the germanium atoms.

Metal Methanesulfonates with Mixed Anionic Groups with Large Band Gaps and Enhanced Birefringence

“…Metal methanesulfonates initially attracted attention for their catalytic properties in various organic synthesis reactions. , A number of the compounds have been reported, encompassing diverse metals (M), including alkali metals (M = Li, Na, K, Rb, Cs), , alkaline-earth metals (M = Mg, Ca, Sr, Ba), , transition metals (M = Mn, Cu, Zn, Ag, Cd etc. ), , and post-transition metals (M = Ge, Sn, Pb, Hg). − There are only three reported bimetallic methanesulfonates, MAu­(CH 3 SO 3 ) 4 (M = Li, Na, Rb) . To the best of our knowledge, metal methanesulfonates with mixed anions or anionic groups have not been reported.…”

Synthesis and crystal structure of Ge(SO4)2

“…Multinary oxogermanates(II) are very rare in literature. Examples are the phosphate NaGe 4 (PO 4 ) 3 [16] and the methylsulphate Ge(CH 3 SO 3 ) 2 [17] . This is in contrast to the sulphides of germanium, where Ge(II)‐ and Ge(IV) compounds are known [6] .…”

“…Examples are the phosphate NaGe 4 (PO 4 ) 3 [16] and the methylsulphate Ge(CH 3 SO 3 ) 2 . [17] This is in contrast to the sulphides of germanium, where Ge(II)-and Ge(IV) compounds are known. [6] For the halides the situation is similar with slight modifications.…”

Room‐Temperature Phosphorescence of Crystalline 1,4‐Bis(aroyl)‐2,5‐dibromobenzenes

“…Anhydrous Ge(CH 3 SO 3 ) 2 was obtained first as a byproduct while studying metal benzyl alcoholates for proton assisted twin polymerization using various acids as proton source 18. While reaction of Si IV and Sn II benzyl alcoholates with CH 3 SO 3 H provide organic‐inorganic hybrid materials via polymerization,19–21 reaction of germanium(II)‐bis(2‐methoxyphenyl)methoxide22 with methanesulfonic acid gave Ge(CH 3 SO 3 ) 2 ( 1 ).…”