Organometallic complex and organic light-emitting diode including the same

An organometallic complex represented by Formula 1:

• wherein, in Formula 1,
• R1 is selected from a deuterium atom, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, hydrazine, hydrazone, a carboxyl group or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C3-C10 heterocycloalkyl group, a substituted or unsubstituted C3-C10 heterocycloalkenyl group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C6-C30 arylthio group, a substituted or unsubstituted C2-C30 heteroaryl group, —N(Q1)(Q2), —C(═O)(Q3), and —Si(Q4)(Q5)(Q6), wherein Q1 to Q6 are each independently a hydrogen atom, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C6-C30 aryl group, or a substituted or unsubstituted C2-C30 heteroaryl group;
• R2 to R6 are each independently selected from a hydrogen atom, a deuterium atom, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, hydrazine, hydrazone, a carboxyl group or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C3-C10 heterocycloalkyl group, a substituted or unsubstituted C3-C10 heterocycloalkenyl group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C6-C30 arylthio group, a substituted or unsubstituted C2-C30 heteroaryl group, —N(Q1)(Q2), —C(═O)(Q3), and —Si(Q4)(Q5)(Q6), wherein Q1 to Q6 are each independently a hydrogen atom, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C6-C30 aryl group, or a substituted or unsubstituted C2-C30 heteroaryl group;
• a is an integer of 1 to 3, and when a is 2 or more, 2 or more of R4 are identical to or different from each other;
• b and c are each independently an integer of 1 to 6, and when b is 2 or more, 2 or more of R5 are identical to or different from each other, and when c is 2 or more, 2 or more of R6 are identical to or different from each other;
• ring A is selected from pyrrol, imidazole, pyrazole, triazole, thiazole, oxazole, isothiazole, isoxazole, benzothiazole, benzoimidazole, benzooxazole, pyridine, pyrazine, pyrimidine, pyridazine, isoindole, indole, indazole, purine, isoquinoline, quinoline, phthalazine, naphthyridine, quinoxaline, quinazoline, cinnoline, phenanthridine, acridine, phenanthroline, and phenoxazine;
• ring B is selected from benzene, pentalene, indene, naphtalene, azulene, heptalene, indacene, acenaphthylene, fluorene, spiro-fluorene, phenalene, phenanthrene, anthracene, fluoranthene, triphenylene, pyrene, chrysene pyrrol, imidazole, pyrazole, triazole, isothiazole, isoxazole, pyridine, pyrazine, pyrimidine, pyridazine, isoindole, indole, indazole, purine, isoquinoline, quinoline, phthalazine, naphthyridine, quinoxaline, quinazoline, cinnoline, phenanthridine, acridine, phenanthroline, and phenoxazine;
• X1 and X2 are each independently N or C;
• and
• n is 1 or 2.