Novel Gallium(III), Germanium(IV), and Hafnium(IV) Folate Complexes and Their Spectroscopic, Thermal Decomposition, Morphological, and Biological Characteristics

Table 3

The ¹HNMR spectral data of the FAH₂ and synthesized complexes.

Number of protons	δ (ppm)
	FAH2	Ga(III) complex	Ge(III) complex
H7	8.648	8.621, 8.617	8.627
H18	8.093	7.788, 7.766	7.778, 7.755
H13,15	7.664	7.597	7.592
H10	7.635	7.571	7.563
H12, 16	6.630, 6.659	6.647, 6.621	6.648, 6.557
H9	4.496	4.464, 4.449	4.467, 4.447
H19	4.476	4.164, 4.144	4.154, 4.131
H22	2.504, 2.501, 2.495	2.507, 2.501, 2.495	2.513, 2.507, 2.501
H21a	2.317	2.224, 2.202	2.223, 2.1987
H21b	2.293	1.971, 1.950, 1.903	1.937, 1.916, 1.892