Keywords
2
5-dibromobenzene-1
4-dicarboxylato
N
N- dimetilformamid
uch o‘lchamli koordinatsion polimer
monokristall rentgen tahlili
Raman spektroskopiyasi
rentgen-fluorestsent tahlil.
How to Cite
Abstract
Ushbu maqolada 2,5-dibromobenzen-1,4-dikarboksilat va $N,N$- dimetilformamid (DMF) asosidagi yangi uch o‘lchamli marganes(II) koordinatsion polimeri – poly[bis(2,5-dibromobenzene-1,4-dicarboxylato)(tris($N,N$- dimethylformamide))dimanganese(II)] birikmasining monokristall rentgen difraksiyasi (SCXRD), Raman spektroskopiyasi hamda rentgen-fluoressent (XRF) tahlil natijalari keltirilgan. Kristallografik tadqiqotlar birikmaning tetragonal singoniyada, $I4_1/a$ fazoviy guruhida kristallanishini ko‘rsatdi ($a = b = 38.9316(4)$ Å, $c = 8.9272(2)$ Å, $V = 13530.7(4)$ ų, $Z = 48$, $R = 0.0437$, $wR_2 = 0.1067$, $S = 1.03$). Uch o‘lchamli karkas Mn markazlarining dikarboksilat ligandlari kislorod atomlari orqali ko‘prikli bog‘lanishi hisobiga shakllanadi, koordinatsiyalangan terminal DMF molekulalari esa metallning lokal koordinatsion sferasini to‘ldiradi. Raman spektroskopik tahlili karkasning qattiq kristall tabiatini, ligandga xos tebranishlarni va past chastotali Mn–O panjara modalarini ($356.18\text{ sm}^{-1}$) tasdiqladi. Rentgen-fluoressent (XRF) spektri orqali material tarkibida Mn va Br elementlarining mavjudligi sifat jihatdan isbotlandi. Olingan natijalar materialning struktura va element tarkibi o‘zaro to‘liq mos kelishini ko‘rsatdi.References
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