The organometallic compound GdCp₃ (Cp=cyclopentadienyl) in ether solution shows a green luminescence (λ_max=523 nm, φ=0.2). It is suggested that this emission originates from a triplet of the Cp₃³⁻ moiety.

中文翻译：

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三（环戊二烯基）ga的光学性质。在环境条件下来自配位体三联体的发光

所述有机金属化合物GdCp ₃的乙醚溶液节目（CP =环戊二烯基）一绿色发光（λ_最大= 523纳米，φ = 0.2）。建议该发射源自Cp ₃ ^3-的三重态。