NDLI: Crystal structures and comparisons of huntite aluminum borates REAl3(BO3)4 (RE = Tb, Dy and Ho)

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Crystal structures and comparisons of huntite aluminum borates REAl3(BO3)4 (RE = Tb, Dy and Ho)

Content Provider	Semantic Scholar
Author	Chong, Saehwa Riley, Brian J. Nelson, Zayne J. Perry, Samuel N.
Copyright Year	2020
Abstract	Three huntite-type aluminoborates of stoichiometry REAl3(BO3)4 (RE = Tb, Dy and Ho), namely, terbium/dysprosium/holmium trialuminium tetrakis(borate), were synthesized by slow cooling within a K2Mo3O10 flux with spontaneous crystallization. The crystal structures were determined using single-crystal X-ray diffraction (SC-XRD) data. The synthesized borates are isostructural to the huntite [CaMg3(CO3)4] structure and crystallized within the trigonal R32 space group. The structural parameters were compared to literature data of other huntite REAl3(BO3)4 crystals within the R32 space group. All three borates fit well into the trends calculated from the literature data. The unit-cell parameters and volumes increase linearly with larger RE cations whereas the densities decrease. All of the crystals studied were refined as inversion twins.
Starting Page	339
Ending Page	343
Page Count	5
File Format	PDF HTM / HTML
DOI	10.1107/s2056989020001802
PubMed reference number	32148872
Journal	Medline
Volume Number	76
Alternate Webpage(s)	http://journals.iucr.org/e/issues/2020/03/00/ru2069/ru2069.pdf
Alternate Webpage(s)	https://doi.org/10.1107/s2056989020001802
Journal	Acta crystallographica. Section E, Crystallographic communications
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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