Organometallic compound and organic light-emitting device including the same

An organometallic compound represented by Formula 1:

• wherein, in Formula 1,
• X11 is selected from C(R11) and nitrogen atom (N);
• X12 is selected from C(R12) and N;
• X13 is selected from C(R13) and N;
• X14 is selected from C(R14) and N;
• X15 is selected from C(R15) and N;
• X16 is selected from C(R16) and N;
• X17 is selected from C(R17) and N;
• X18 is selected from C(R18) and N;
• X19 is selected from C(R19) and N;
• X19 is selected from C(R19) and N;
• X20 is selected from C(R20) and N;
• X21 is selected from C(R21) and N;
• X22 is selected from C(R22) and N;
• Z11 to Z14 are each independently selected from N and carbon atom (C);
• Y11 and Y12 are each independently selected from a C5-C60 carbocyclic group and a C1-C60 heterocyclic group;
• and
• R11 to R24 are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C1-C60 alkylthio group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C1-C10 heterocycloalkyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted C6-C60 aryloxy group, a substituted or unsubstituted C6-C60 arylthio group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, —Si(Q3)(Q4)(Q5), Ge(Q3)(Q4)(Q5), —N(Q3)(Q4), —B(Q3)(Q4), —C(═O)(Q3), —S(═O)2(Q3), and —P(═O)(Q3)(Q4);
• provided that two neighboring substituents selected from R11 to R24 are optionally linked to form a substituted or unsubstituted saturated ring or a substituted or unsubstituted unsaturated ring,
• wherein Q3 to Q5 are each independently selected from hydrogen, deuterium, a C1-C60 alkyl group, a C6-C60 aryl group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, a biphenyl group, and a terphenyl group.