Structure of the cation in [(μ-H)Fe2(μ-SH)2(CO)4(PPh3)2]BArF4. Selected distances (Å): Fe(1)-Fe(2), 2.5893(6); Fe(1)-S(1), 2.2861(9); Fe(1)-S(2), 2.283(1); Fe(2)-S(1), 2.2780(8); Fe(2)-S(2), 2.2679(9); Fe(1)-P(1), 2.2588(9); Fe(2)-P(2), 2.272(1); Fe(1)-H(1): 1.76(4); Fe(2)-H(1), 1.67(4); S(1)-H(1A), 1.21(4); S(2)-H(2), 1.22(3).