Mixed-ligand coordination of the (UO 2) 2+ cation and apophyllite topology of uranyl chlorochromate layer in the structure of ((CH 3) 2CHNH 3)[(UO 2)(CrO 4)Cl(H 2O)]

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Mixed-ligand coordination of the (UO ₂) ²⁺ cation and apophyllite topology of uranyl chlorochromate layer in the structure of ((CH ₃) ₂CHNH ₃)[(UO ₂)(CrO ₄)Cl(H ₂O)]. / Siidra, Oleg I.; Nazarchuk, Evgeny V.; Krivovichev, Sergey V.

In: Zeitschrift fur Kristallographie, Vol. 227, No. 8, 08.2012, p. 530-534.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{88cd5920852346a0b0b7ba2341492c03,

title = "Mixed-ligand coordination of the (UO 2) 2+ cation and apophyllite topology of uranyl chlorochromate layer in the structure of ((CH 3) 2CHNH 3)[(UO 2)(CrO 4)Cl(H 2O)]",

abstract = "Addition of the Cl - anions to the synthesis mixture stabilizes specific structures of uranyl complexes which results in new compounds with the unprecedented structural topologies. ((CH 3) 2CHNH 3)[(UO 2)(CrO 4) · Cl(H 2O)] is a new member of the small family of compounds based upon the Ur(X mO n) 5 (X = Cl, Br, I) bipyramids. The structure is based upon uranyl chloride chromate layers that alternate with the layers of protonated amine molecules. The layers contain UrClO 4 pentagonal bipyramids that share three of its equatorial corners with CrO 4 tetrahedra. Topological analysis shows that the [(UO 2)(CrO 4)Cl(H 2O)] - layer belongs to the same topology of interpolyhedral linkage as in a-UO 2MoO4(H 2O) 2.This type of topology (linkage of 4-membered rings creating 8-membered rings) is known in silicate crystal chemistry as the topology of the [Si 4O 10] layers in the minerals of the apophyllite group. Their linkage via various intermediate units results in a large family of open-framework and pillared silicates.",

keywords = "Mixed ligand coordination, Oxohalides, Single crystal structure analysis, Structural topology, Uranyl chromates, X-ray diffraction",

author = "Siidra, {Oleg I.} and Nazarchuk, {Evgeny V.} and Krivovichev, {Sergey V.}",

year = "2012",

month = aug,

doi = "10.1524/zkri.2012.1471",

language = "English",

volume = "227",

pages = "530--534",

journal = "Zeitschfrift fur Kristallographie",

issn = "0044-2968",

publisher = "De Gruyter",

number = "8",

}

RIS

TY - JOUR

T1 - Mixed-ligand coordination of the (UO 2) 2+ cation and apophyllite topology of uranyl chlorochromate layer in the structure of ((CH 3) 2CHNH 3)[(UO 2)(CrO 4)Cl(H 2O)]

AU - Siidra, Oleg I.

AU - Nazarchuk, Evgeny V.

AU - Krivovichev, Sergey V.

PY - 2012/8

Y1 - 2012/8

N2 - Addition of the Cl - anions to the synthesis mixture stabilizes specific structures of uranyl complexes which results in new compounds with the unprecedented structural topologies. ((CH 3) 2CHNH 3)[(UO 2)(CrO 4) · Cl(H 2O)] is a new member of the small family of compounds based upon the Ur(X mO n) 5 (X = Cl, Br, I) bipyramids. The structure is based upon uranyl chloride chromate layers that alternate with the layers of protonated amine molecules. The layers contain UrClO 4 pentagonal bipyramids that share three of its equatorial corners with CrO 4 tetrahedra. Topological analysis shows that the [(UO 2)(CrO 4)Cl(H 2O)] - layer belongs to the same topology of interpolyhedral linkage as in a-UO 2MoO4(H 2O) 2.This type of topology (linkage of 4-membered rings creating 8-membered rings) is known in silicate crystal chemistry as the topology of the [Si 4O 10] layers in the minerals of the apophyllite group. Their linkage via various intermediate units results in a large family of open-framework and pillared silicates.

AB - Addition of the Cl - anions to the synthesis mixture stabilizes specific structures of uranyl complexes which results in new compounds with the unprecedented structural topologies. ((CH 3) 2CHNH 3)[(UO 2)(CrO 4) · Cl(H 2O)] is a new member of the small family of compounds based upon the Ur(X mO n) 5 (X = Cl, Br, I) bipyramids. The structure is based upon uranyl chloride chromate layers that alternate with the layers of protonated amine molecules. The layers contain UrClO 4 pentagonal bipyramids that share three of its equatorial corners with CrO 4 tetrahedra. Topological analysis shows that the [(UO 2)(CrO 4)Cl(H 2O)] - layer belongs to the same topology of interpolyhedral linkage as in a-UO 2MoO4(H 2O) 2.This type of topology (linkage of 4-membered rings creating 8-membered rings) is known in silicate crystal chemistry as the topology of the [Si 4O 10] layers in the minerals of the apophyllite group. Their linkage via various intermediate units results in a large family of open-framework and pillared silicates.

KW - Mixed ligand coordination

KW - Oxohalides

KW - Single crystal structure analysis

KW - Structural topology

KW - Uranyl chromates

KW - X-ray diffraction

UR - http://www.scopus.com/inward/record.url?scp=84865354245&partnerID=8YFLogxK

U2 - 10.1524/zkri.2012.1471

DO - 10.1524/zkri.2012.1471

M3 - Article

AN - SCOPUS:84865354245

VL - 227

SP - 530

EP - 534

JO - Zeitschfrift fur Kristallographie

JF - Zeitschfrift fur Kristallographie

SN - 0044-2968

IS - 8

ER -

ID: 9145046