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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