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：The crystalline layered and amorphous samples of Zr(HPO4)[O3PCH2N(CH2CO2H)2]· nH2O(n=1,2)(c-or a-ZPPMIDA) and Zr(HPO4)[O3PCH2N(CH2CH2)2O]· nH2O)(n=1,2) (c- or a-ZPMMPA) were prepared with zirconium oxychloride, sodium dihydrogen phosphate and H2O3PCH2N(CH2CH2)2O(MMPA) or H2O3PCH2N(CH2CO2H)2(PMIDA) in the presence or absence of hydrofluoric acid for the first time.The samples were comparatively characterized by XRD,IR, TG-DTA and elemental analysis. The interlayer spacings of c-ZPPMIDA and c-ZPMMPA were also measured and calculated. XRD results showed that interlayer spacings of c- ZPMMPA and c-ZPPMIDA were 16.055? and 15.384? respectively. The similar structure Zr[(O3PCH2)2NCH2 CO2H]· H2O(ZGDMP) were used to analytically compare with c-ZPMMPA and c-ZPPMIDA. The influences of distribution and rigidity of organic groups on the interlayer spacing were discussed.
: The crystalline layered and amorphous samples of Zr (HPO4) [O3PCH2N (CH2CO2H) 2] · nH2O (n = 1,2) (c-or a-ZPPMIDA) and Zr (HPO4) [O3PCH2N (CH2CH2) 2O] · nH2O (n = 1,2) (c- or a-ZPMMPA) were prepared with zirconium oxychloride, sodium dihydrogen phosphate and H203PCH2N (CH2CH2) 2O (MMPA) or H203PCH2N (CH2CO2H) 2 (PMIDA) in the presence or absence of hydrofluoric acid for the first time. The samples were comparatively characterized by XRD, IR, TG-DTA and elemental analysis. The interlayer spacings of c-ZPPMIDA and c-ZPMMPA were also measured and calculated. XRD results showed that interlayer spacings of c- ZPMMPA The influences of distribution and rigidity of organic (a) and c-ZPPMIDA were 16.055 ~ and 15.384 ~ respectively. The similar structure of Zr [(O3PCH2) 2NCH2CO2H] · H2O (ZGDMP) were used to be analytically compare with c-ZPMMPA and c-ZPPMIDA. groups on the interlayer spacing were discussed.