Table 2.

Tautomers/conformers of the 1H-pyrazole residue (-Pz-CO-) with carbonyl at position 3(5) found in the solid state.

X-Pz-CO-	Tautomer (T3/5)/Conformer (c/t)
X-	T3c	T3t	T5c	T5t
Me-	7
H-	2	3
Ph-	12	1	3	2
OOC-Pz-COOH	11	5	1	2
NC-			1	3
-CF-			6	2
HO-				1