Fig. 2: Synthesis and molecular structures of complexes 2, 3, 4, 6 and 7.
From: Construction of N−E bonds via Lewis acid-promoted functionalization of chromium-dinitrogen complexes
A Synthesis of complexes 2a, 2b, 3, 4, 6 and 7. B Molecular structure of 2a, 2b, 3, 4, and 6 with thermal ellipsoids at 30% probability. H atoms omitted for clarity. Selected bond lengths [Å] and angles [deg] of 2a: Cr1-N3 1.6801(3), N3−N4 1.3060(17), N4−Al1 1.9659(17), N3−N4−Si1 111.98(11); 2b: Cr1-N3 1.6768(13), N3−N4 1.3108(17), N4−B1 1.574(2), N3−N4−Si1 115.34(10); 3: Cr1-N3 1.684(2), N3−N4 1.295(3), N4−B1 1.574(4), N3−N4−Ge1 116.27(18); 4: Cr1−N3 1.6753(11), N3−N4 1.3144(16), N4−B1 1.581(2), N3−N4−P1 113.47(10); 6: Cr1–N3 1.7104(17), N3–N4 1.231(2), N4–B1 1.423(3), N3–N4–B1 138.56(19).
