Metal compounds, methods, and uses thereof

A compound having the formula

• wherein each of L1, L2, L3, and L4 independently is a substituted or unsubstituted aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, carbene, or N-heterocyclic carbene;
• wherein each of Z1, Z2, and Z3 independently is present or absent, and if present each of Z1, Z2, and Z3 independently is A, A1, or A2;
• wherein each of A, A1, or A2 independently is O, S, S═O, SO2, Se, NR3, PR3, RP═O, CR1R2, C═O, SiR1R2, GeR1R2, BH, P(O)H, PH, NH, CR1H, CH2, SiH2, SiHR1, BH, or BR3;
• wherein M is Pt, Pd, Au, Ir, Rh, Ru, Fe, Co, Ni, Cu, Zn, Ag, Hg, Cd, or Zr;
• wherein at least one of L1, L2, L3, or L4 comprises
• wherein m and n independently is an integer from 0 to 4;
• wherein each of V, X, and Y independently is V1, V2, V3, V4, O, S, S═O, SO2, Se, N, NR3, PR3, R1P═O, CR1R2, C═O, SiR1R2, GeR1R2, BH, P(O)H, PH, NH, CR1H, CH2, SiH2, SiHR1, BH, or BR3, or any one of
• wherein at least one of V, X, or Y is V1, V2, V3, or V4;
• wherein m and n independently is an integer from 0 to 4;
• wherein each of V1, V2, V3, and V4 independently is coordinated to M;
• wherein each of V1, V2, V3, and V4 independently is N, C, CH, P, B, SiH, or Si;
• and
• wherein each of R, R1, R2, R3, and R4, independently is hydrogen, aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, alkyl, alkenyl, alkynyl, deuterium, halogen, hydroxyl , thiol, nitro, cyano, amino, a mono- or di-alkylamino, a mono- or diaryl amino, alkoxy, aryloxy, haloalkyl, aralkyl, ester, nitrile, isonitrile, alkoxycarbonyl, acylamino, alkoxycarbonylamino, aryloxycarbonylamino, sulfonylamino, sulfamoyl, carbamoyl, alkylthio, sulfinyl, ureido, phosphoramide, amercapto, sulfo, carboxyl, hydrzino, substituted silyl, or polymerizable, or any conjugate or combination thereof.