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Table 1 Physical properties of metal complexes (1–10) of anthranilic acid (L)

From: Synthesis of metal anthranilate complexes: catalytic and antipathogenic studies

Metal source Complex number Molecular Formula Color of complex % Yield Color change on heating (°C) λ max DMSO (nm) Magnetic moment (B.M) IR stretch (cm−1)
NH: C=O
ZnCl2 1 [ZnL2] Beige 83 287 °C to light gray 332.5 0 3297/3129 1600
Bi (NO3)3.5H2O 2 [BiL3]. H2O Flax yellow 67 279 °C to brown 338.5 0 3305/3124 1614
AgNO3 3 [Ag2L2] Metallic gray 89 187 °C to black 326.0 0 3423/3322 1608
FeSO4.7H2O 4 [FeL2] Lemon green 78 269 °C to dark gray 337.0 5.1 3307/3135 1535
CoCl2.6H2O 5 [CoL2] Pink 42 292 °C to brown 339.0 4.6 3297/3129 1597
CuSO4. 5H2O 6 [CuL2] Green 77 280 °C to black 339.5 1.3 3270/3120 1593
MnCl2. 4H2O 7 [MnL2] Beige 93 272 °C to yellowish 329.0 5.9 3305/3139 1585
Al2(SO4)3. 18H2O 8 [AlL3].3H2O Off white 92 284 °C to brown 339.0 0 3484/3378 1618
Ni (NO3)2.6H2O 9 [NiL2] Baby blue 78 290 °C to light brown 337.0 1.31 3305/3124 1614
Cr (NO3)3.9H2O 10 [CrL2. 4H2O]. NO3 Purple 79 178 °C to green, 340.0 3.5 1616
Anthranilic acid ligand (L) 340.5 3322/3236 1662