Synthesis, characterization, and crystal structures of [(Ph3P)2N]+3{Na[Mo3(CO)6(NO)3(.mu.2-OCH3)3(.mu.3-O)]2}3-, an unusual organometallic triple ion, and [Me4N]+[Mo3(CO)6(NO)3(.mu.2-OCH3)3(.mu.3-OCH3)]-