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⁶H has been reported in the ⁷Li (⁷Li , ⁸B )⁶H reaction at E(⁷Li ) = 82 MeV (1984AL08, 1985AL1G) [σ(θ) ≈ 60 nb/sr at θ = 10°] and in the ⁹Be(¹¹B, ¹⁴O)⁶H reaction at E(¹¹B) = 88 MeV (1986BE35) [σ(θ) ≈ 16 nb/sr at θ ≈ 8°]. ⁶H is unstable with respect to breakup into ³H + 3n by 2.7 ± 0.4 MeV, Γ = 1.8 ± 0.5 MeV (1984AL08), 2.6 ± 0.5 MeV, Γ = 1.3 ± 0.5 MeV (1986BE35). We adopt 2.7 ± 0.3 MeV, Γ = 1.6 ± 0.4 MeV. See also (1987BO40). The atomic mass excess of ⁶H using the (1988WA18) masses for ³H and n, is then 41.9 ± 0.3 MeV. However, there is no evidence for the formation of ⁶H in the ⁶Li (π^- , π⁺) reaction at E_π^- = 220 MeV (1987SE1C, 1988SEZJ; prelim.). The ground state of ⁶H is calculated to have J^π = 2^- . Excited states are predicted at 1.78, 2.80 and 4.79 MeV with J^π = 1^-, 0^- and 1⁺ [(0 + 1)ℏω model space] (1985PO10) [see also for (0 + 2)ℏω calculations]. See also (1986BE44, 1987GOZN), (1983PO1D, 1984AJ01, 1986FL1A, 1987AJ1A, 1987PE1C, 1988HA44) and (1987HA40, 1987KUZI; theor.).