NOVELTY - Metal-organic complex containing a partial metal complex structure, is new.    USE - The compound (I) or the oligomer, polymer or dendrimer is useful in an electronic device, preferably organic electroluminescence device, organic integrated circuit, organic field-effect transistor, organic thin film transistor, organic light-emitting transistor, organic solar cell, organic optical detector, organic photoreceptor, organic field-quench device, light-emitting electrochemical cell and organic laser diode, where the compound (I) or the oligomer, polymer or dendrimer is useful as a emitting compound in the emitting layers (all claimed).    ADVANTAGE - The compound (I) exhibits high thermal stability and high glass transition temperature and thus undergoes sublimation without decomposition. The electroluminescent device comprising (I) exhibits high efficiency and long life.    DETAILED DESCRIPTION - Metal-organic complex of formula (M(L)n(L1)m) (I) containing a partial metal complex structure M(L)n of formula (II) or (III), is new.    M = metal; either    X = C, N or B; or    all X together = 14-pi-electron system; either    R1-R7 = H, D, F, Cl, Br, I, N(R8)2, CN, NO2, Si(R8)3, B(OR8)2, C(=O)R8, P(=O)(R8)2, S(O)R8, S(=O)2R8, OSO2R8, a linear alkyl-, alkoxy- or thioalkoxy having 1-40C or a linear alkenyl- or alkynyl having 2-40C or a branched or cyclic alkyl-, alkenyl-, alkynyl-, alkoxy- or thioalkoxy having 3-40C, which can be respectively substituted with R8, where at least one non adjacent CH2 group can be replaced by R8C=CR8, CC, Si(R8)2, Ge(R8)2, Sn(R8)2, C=O, C=S, C=Se, C=NR8, P(=O)(R8), SO, SO2, NR8, O, S or CONR8 and where at least one H atom can be replaced by D, F, Cl, Br, I, CN or NO2, or an aromatic or heteroaromatic ring system having 5-60 aromatic ring atoms, which can be substituted by at least one R8, or an aryloxy- or heteroaryloxy having 5-60 aromatic ring atoms, which can be substituted by at least one R8, or a diarylamino group, diheteroarylamino group or aryl heteroaryl amino group having 10-40 aromatic ring atoms, which can be substituted by at least one R8; or    R1R2, R2R3, R4R5, R5R6, R6R7 = a mono- or polycyclic, aliphatic, aromatic and/or benzoannelated ring system; or    R3R4 = a mono- or polycyclic, aliphatic ring system; either    R8 = H, D, F, Cl, Br, I, N(R9)2, CN, NO2, Si(R9)3, B(OR9)2, C(=O)R9, P(=O)(R9)2, S(=O)R9, S(=O)2R9, OSO2R9, a linear alkyl-, alkoxy- or thioalkoxy having 1-40C or a linear alkenyl- or alkynyl having 2-40C or a crosslinked or cyclic alkyl-, alkenyl-, alkynyl-, alkoxy- or thioalkoxy having 3-40C, which can be respectively substituted with at least one R9, where at least one non adjacent CH2 group can be replaced by R9C=CR9, CC, Si(R9)2, Ge(R9)2, Sn(R9)2, C=O, C=S, C=Se, C=NR9, P(=O)(R9), SO, SO2, NR9, O, S or CONR9 and where at least one H atom can be replaced by D, F, Cl, Br, I, CN or NO2, or an aromatic or heteroaromatic ring system having 5-60 aromatic ring atoms, which can be substituted by at least one R9, or an aryloxy- or heteroaryloxy group having 5-60 aromatic ring atoms, which can be substituted by at least one R9, or a diarylamino group, diheteroarylamino group or aryl heteroaryl amino having 10-40 aromatic ring atoms, which can be substituted by at least one R9; or    two or more adjacent R8 = mono- or polycyclic, aliphatic or aromatic ring system; either    R9 = H, D, F or an aliphatic, aromatic and/or heteroaromatic hydrocarbon having 1-20C, where at least one H-atom can be replaced by F; or    two or more R9 = a mono- or polycyclic, aliphatic or aromatic ring system;    L1 = coligand;    n = 1-4; and    m = 0-6.    Provided that R1-R7 represents a free electron pair, when the group X, at which R1-R7 is bonded, is a nitrogen atom with saturated valency. Where many ligands (L) or L with L1 can be linked to each other over a bridge to form a tridentate, tetradentate, pentadentate or hexadentate ligand system. INDEPENDENT CLAIMS are also included for:    (1) producing the compound (I);    (2) oligomers, polymers or dendrimers comprising the compound (I), where at least one of the above defined R1 to R8 represents a bond to the polymer or dendrimer; and    (3) an electronic device, preferably organic electroluminescence device, organic integrated circuit, organic field-effect transistor, organic thin film transistor, organic light-emitting transistor, organic solar cell, organic optical detector, organic photoreceptor, organic field-quench device, light-emitting electrochemical cell and organic laser diode, comprising at least one layer of the compound (I) or the oligomer, dendrimer or polymer.