. 2012 Nov 26;42(17):6021–6032. doi: 10.1039/c2dt31807e

Table 1. Logarithms of the protonation and formation constants of Ins(1,3,4,5,6)P ₅ measured in 0.15 M NMe₄Cl at 37.0 °C.

	log K
	³¹P NMR ^a	Potentiometry ^b
L^10– + H⁺ ↔ HL^9–	12.41(4)	11.62(5)
L^10– + 2H⁺ ↔ H₂L^8–	23.58(4)	23.02(3)
L^10– + 3H⁺ ↔ H₃L^7–	32.53(4)	32.39(7)
L^10– + 4H⁺ ↔ H₄L^6–	39.62(4)	39.81(7)
L^10– + 5H⁺ ↔ H₅L^5–	44.63(5)	45.2(1)
L^10– + 6H⁺ ↔ H₆L^4–	47.6(1)	47.8(1)
L^10– + 7H⁺ ↔ H₇L^3–	49.0(1)	48.9(2)

4Na⁺ + L^10– ↔ [Na₄L]^6–	6.58(3)	7.91(4)
3Na⁺ + HL^9– ↔ [Na₃(HL)]^6–	4.73(2)	5.33(4)
2Na⁺ + H₂L^8– ↔ [Na₂(H₂L)]^6–	2.41(1)	2.67(5)

Mg²⁺ + HL^9– ↔ [Mg(HL)]^7–	5.3(1)	—
Mg²⁺ + H₂L^8– ↔ [Mg(H₂L)]^6–	4.18(4)	4.43(4)
Mg²⁺ + H₃L^7– ↔ [Mg(H₃L)]^5–	3.1(2)	3.32(5)
Mg²⁺ + H₄L^6– ↔ [Mg(H₄L)]^4–	2.06(7)	2.33(9)

^aThis work, σ = 0.01 (H⁺), 0.01 (Na⁺) and 0.04 (Mg²⁺). The uncertainties for the equilibrium constants, which are estimates of the standard deviation, were calculated by HypNMR 2006 software.²⁵

^bPotentiometric data reported previously are included for comparison.⁶

Table 1. Logarithms of the protonation and formation constants of Ins(1,3,4,5,6)P 5 measured in 0.15 M NMe4Cl at 37.0 °C.

Table 1. Logarithms of the protonation and formation constants of Ins(1,3,4,5,6)P ₅ measured in 0.15 M NMe₄Cl at 37.0 °C.