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Portion of the polymeric chain of [(C6H6)KA']∞, with thermal ellipsoids drawn at the 50% level. Hydrogen atoms have been removed for clarity. Selected distances (Å) and angles (deg): K1–C1, 3.005(3); K1–C2, 2.963(3); K3–C3, 3.128(3); K1–C1', 2.959(3); K1–C2', 2.983(2); K3–C3', 3.140(3); K1…(C6H6 centroid), 2.99(1); K1…K1', 5.39; C1–C2–C3, 130.8(3); K1…K1'…K1, 134.0.
