A composition comprising: a) at least 76 mol % C.sub.10 monoolefins, the C.sub.10 monoolefins comprising i) at least 3 mol % 2-butyl-1-hexene, ii) at least 8 mol % 3-propyl-1-heptene, iii) at least 6 mol % 4-ethyl-1-octene, and iv) at least 20 mol % 5-methyl-1-nonene; and b) at least 1 mol % C.sub.14 monoolefins. A composition comprising at least 95 mol % C.sub.10 monoolefins, the C.sub.10 monoolefins comprising i) at least 3 mol % 2-butyl-1-hexene, ii) at least 10 mol % 3-propyl-1-heptene, iii) at least 7 mol % 4-ethyl-1-octene, and iv) at least 24 mol % 5-methyl-1-nonene. Processes to prepare a composition comprising at least 76 mol % C.sub.10 monoolefins and at least 1 mol % C.sub.14 monoolefins, or a composition comprising at least 95 mol % C.sub.10 monoolefins, where the C.sub.10 monoolefins comprise i) at least 3 mol % 2-butyl-1-hexene, ii) at least 10 mol % 3-propyl-1-heptene, iii) at least 7 mol % 4-ethyl-1-octene, and iv) at least 24 mol % 5-methyl-1-nonene.

A composition comprising: a) at least 76 mol % C.sub.10 monoolefins, the C.sub.10 monoolefins comprising i) at least 3 mol % 2-butyl-1-hexene, ii) at least 8 mol % 3-propyl-1-heptene, iii) at least 6 mol % 4-ethyl-1-octene, and iv) at least 20 mol % 5-methyl-1-nonene; and b) at least 1 mol % C.sub.14 monoolefins. A composition comprising at least 95 mol % C.sub.10 monoolefins, the C.sub.10 monoolefins comprising i) at least 3 mol % 2-butyl-1-hexene, ii) at least 10 mol % 3-propyl-1-heptene, iii) at least 7 mol % 4-ethyl-1-octene, and iv) at least 24 mol % 5-methyl-1-nonene. Processes to prepare a composition comprising at least 76 mol % C.sub.10 monoolefins and at least 1 mol % C.sub.14 monoolefins, or a composition comprising at least 95 mol % C.sub.10 monoolefins, where the C.sub.10 monoolefins comprise i) at least 3 mol % 2-butyl-1-hexene, ii) at least 10 mol % 3-propyl-1-heptene, iii) at least 7 mol % 4-ethyl-1-octene, and iv) at least 24 mol % 5-methyl-1-nonene.

N.sup.2-phosphinyl formamidine compounds and N.sup.2-phosphinyl formamidine metal salt complexes are described. Methods for making N.sup.2-phosphinyl formamidine compounds and N.sup.2-phosphinyl formamidine metal salt complexes are also disclosed. Catalyst systems utilizing the N.sup.2-phosphinyl formamidine metal salt complexes are also disclosed along with the use of the N.sup.2-phosphinyl amidine compounds and N.sup.2-phosphinyl amidinate metal salt complexes for the oligomerization and/or polymerization of olefins.

N.sup.2-phosphinyl formamidine compounds and N.sup.2-phosphinyl formamidine metal salt complexes are described. Methods for making N.sup.2-phosphinyl formamidine compounds and N.sup.2-phosphinyl formamidine metal salt complexes are also disclosed. Catalyst systems utilizing the N.sup.2-phosphinyl formamidine metal salt complexes are also disclosed along with the use of the N.sup.2-phosphinyl amidine compounds and N.sup.2-phosphinyl amidinate metal salt complexes for the oligomerization and/or polymerization of olefins.

N.sup.2-phosphinyl amidine compounds, N.sup.2-phosphinyl amidinates, N.sup.2-phosphinyl amidine metal salt complexes, N.sup.2-phosphinyl amidinate metal salt complexes are described. Methods for making N.sup.2-phosphinyl amidine compounds, N.sup.2-phosphinyl amidinates, N.sup.2-phosphinyl amidine metal salt complexes, and N.sup.2-phosphinyl amidinate metal salt complexes are also disclosed. Catalyst systems utilizing the N.sup.2-phosphinyl amidine metal salt complexes and N.sup.2-phosphinyl amidinate metal salt complexes are also disclosed along with the use of the N.sup.2-phosphinyl amidine compounds, N.sup.2-phosphinyl amidinates, N.sup.2-phosphinyl amidine metal salt complexes, and N.sup.2-phosphinyl amidinate metal salt complexes for the oligomerization and/or polymerization of olefins.

N.sup.2-phosphinyl amidine compounds, N.sup.2-phosphinyl amidinates, N.sup.2-phosphinyl amidine metal salt complexes, N.sup.2-phosphinyl amidinate metal salt complexes are described. Methods for making N.sup.2-phosphinyl amidine compounds, N.sup.2-phosphinyl amidinates, N.sup.2-phosphinyl amidine metal salt complexes, and N.sup.2-phosphinyl amidinate metal salt complexes are also disclosed. Catalyst systems utilizing the N.sup.2-phosphinyl amidine metal salt complexes and N.sup.2-phosphinyl amidinate metal salt complexes are also disclosed along with the use of the N.sup.2-phosphinyl amidine compounds, N.sup.2-phosphinyl amidinates, N.sup.2-phosphinyl amidine metal salt complexes, and N.sup.2-phosphinyl amidinate metal salt complexes for the oligomerization and/or polymerization of olefins.