NaZr2N2SCl: A Flux-Stabilized Derivative of Zirconium(IV) Nitride Sulfide (Zr2N2S)The oxidation of zirconium metal with elemental sulfur and sodium azide (NaN3) should give access to zirconium(IV) nitride sulfide, Zr2N2S, which could crystallize isotypically with the trigonal rare...