Tetrahydro-as-indacenyl catalyst composition, catalyst system, and processes for use thereof

A compound represented by the formula (3):

• wherein
• M is a group 3, 4, 5, or 6 transition metal;
• B is the oxidation state of M and is 3, 4, 5, or 6;
• C is B-2;
• T is a bridging group;
• y is 1 or 0 indicating the presence of absence of T;
• X is a leaving group;
• L is a substituted or unsubstituted monocyclic or polycyclic arenyl ligand or monocyclic or polycyclic heteroarenyl ligand bonded to M;
• R1, R2, R4, and R5 are independently hydrogen, or a C1-C50 substituted or unsubstituted hydrocarbyl, halocarbyl or silylcarbyl;
• and
• each Ra, Rb, and Rc is independently C1-C10 alkyl, or hydrogen.

A tetrahydro-as-indacenyl ligand wherein the ligand is derived from tetrahydro-as-indacene isomers represented by the formula 4a or 4b:

• wherein R3 is hydrogen or C1-C50 substituted or unsubstituted hydrocarbyl;
• R1, R2, R4, and R5 are independently hydrogen, or a Ci-050 substituted or unsubstituted hydrocarbyl, halocarbyl or silylcarbyl;
• and
• each Ra, Rb, and Rc is independently C1-C50 substituted or unsubstituted hydrocarbyl, or hydrogen.