Structure of two polymorphs of bis-trifluoroacetylacetonato-(N,N,N′N′-tetramethylethylenediamine)magnesium

E. S. Vikulova; K. V. Zherikova; D. A. Piryazev; I. V. Korol’kov; N. B. Morozova; I. K. Igumenov

doi:10.1134/S0022476617080297

Structure of two polymorphs of bis-trifluoroacetylacetonato-(N,N,N′N′-tetramethylethylenediamine)magnesium

E. S. Vikulova, K. V. Zherikova, D. A. Piryazev, I. V. Korol’kov, N. B. Morozova, I. K. Igumenov

Лаборатория методов исследования состава и структуры функциональных материалов ФЕН

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

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Аннотация

The structures of two polymorphs [Mg(tmeda)(tfac)₂] (tmeda = N,N,N′N′-tetramethylethylenediamine, tfac = trifluoroacetylacetonate anion) are studied by single crystal XRD. The crystallographic data are as follows: for the α-modification, space group P2₁/c, a = 8.0874(4) Å, b = 20.2826(11) Å, c = 12.8759(7) Å, β = 90.6350(1)°, V = 2111.5(19) Å³, Z = 4, R = 0.0583; for the β-modification, space group C2/c, a = 8.8698(4) Å, b = 13.3441(8) Å, c = 18.1189(11) Å, β = 92.280(2)°, V = 2142.8(2) Å³, Z = 4, R = 0.0537. Both structures are composed of monomeric complex molecules; the magnesium coordination environment is a distorted octahedron; tfac ligands are in the trans-position. The interatomic distances and bond angles are identical in the molecules; the packing motif is the only distinction between the two polymorphs.

Язык оригинала	английский
Страницы (с-по)	1681-1684
Число страниц	4
Журнал	Journal of Structural Chemistry
Том	58
Номер выпуска	8
DOI	https://doi.org/10.1134/S0022476617080297
Состояние	Опубликовано - 1 дек. 2017

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@article{83e0d6014d73405a9eedbfa3d8b0e120,

title = "Structure of two polymorphs of bis-trifluoroacetylacetonato-(N,N,N′N′-tetramethylethylenediamine)magnesium",

abstract = "The structures of two polymorphs [Mg(tmeda)(tfac)2] (tmeda = N,N,N′N′-tetramethylethylenediamine, tfac = trifluoroacetylacetonate anion) are studied by single crystal XRD. The crystallographic data are as follows: for the α-modification, space group P21/c, a = 8.0874(4) {\AA}, b = 20.2826(11) {\AA}, c = 12.8759(7) {\AA}, β = 90.6350(1)°, V = 2111.5(19) {\AA}3, Z = 4, R = 0.0583; for the β-modification, space group C2/c, a = 8.8698(4) {\AA}, b = 13.3441(8) {\AA}, c = 18.1189(11) {\AA}, β = 92.280(2)°, V = 2142.8(2) {\AA}3, Z = 4, R = 0.0537. Both structures are composed of monomeric complex molecules; the magnesium coordination environment is a distorted octahedron; tfac ligands are in the trans-position. The interatomic distances and bond angles are identical in the molecules; the packing motif is the only distinction between the two polymorphs.",

keywords = "diamines, magnesium, MOCVD precursor, single crystal X-ray diffraction analysis, β-diketonates, COMPLEXES, MAGNESIUM, HIGHLY VOLATILE, VAPOR-PRESSURE, THERMAL-PROPERTIES, MOCVD PRECURSORS, THIN-FILM GROWTH, beta-diketonates",

author = "Vikulova, {E. S.} and Zherikova, {K. V.} and Piryazev, {D. A.} and Korol{\textquoteright}kov, {I. V.} and Morozova, {N. B.} and Igumenov, {I. K.}",

year = "2017",

month = dec,

day = "1",

doi = "10.1134/S0022476617080297",

language = "English",

volume = "58",

pages = "1681--1684",

journal = "Journal of Structural Chemistry",

issn = "0022-4766",

publisher = "Springer GmbH & Co, Auslieferungs-Gesellschaf",

number = "8",

}

Structure of two polymorphs of bis-trifluoroacetylacetonato-(N,N,N′N′-tetramethylethylenediamine)magnesium. / Vikulova, E. S.; Zherikova, K. V.; Piryazev, D. A. и др.

В: Journal of Structural Chemistry, Том 58, № 8, 01.12.2017, стр. 1681-1684.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

TY - JOUR

T1 - Structure of two polymorphs of bis-trifluoroacetylacetonato-(N,N,N′N′-tetramethylethylenediamine)magnesium

AU - Vikulova, E. S.

AU - Zherikova, K. V.

AU - Piryazev, D. A.

AU - Korol’kov, I. V.

AU - Morozova, N. B.

AU - Igumenov, I. K.

PY - 2017/12/1

Y1 - 2017/12/1

N2 - The structures of two polymorphs [Mg(tmeda)(tfac)2] (tmeda = N,N,N′N′-tetramethylethylenediamine, tfac = trifluoroacetylacetonate anion) are studied by single crystal XRD. The crystallographic data are as follows: for the α-modification, space group P21/c, a = 8.0874(4) Å, b = 20.2826(11) Å, c = 12.8759(7) Å, β = 90.6350(1)°, V = 2111.5(19) Å3, Z = 4, R = 0.0583; for the β-modification, space group C2/c, a = 8.8698(4) Å, b = 13.3441(8) Å, c = 18.1189(11) Å, β = 92.280(2)°, V = 2142.8(2) Å3, Z = 4, R = 0.0537. Both structures are composed of monomeric complex molecules; the magnesium coordination environment is a distorted octahedron; tfac ligands are in the trans-position. The interatomic distances and bond angles are identical in the molecules; the packing motif is the only distinction between the two polymorphs.

AB - The structures of two polymorphs [Mg(tmeda)(tfac)2] (tmeda = N,N,N′N′-tetramethylethylenediamine, tfac = trifluoroacetylacetonate anion) are studied by single crystal XRD. The crystallographic data are as follows: for the α-modification, space group P21/c, a = 8.0874(4) Å, b = 20.2826(11) Å, c = 12.8759(7) Å, β = 90.6350(1)°, V = 2111.5(19) Å3, Z = 4, R = 0.0583; for the β-modification, space group C2/c, a = 8.8698(4) Å, b = 13.3441(8) Å, c = 18.1189(11) Å, β = 92.280(2)°, V = 2142.8(2) Å3, Z = 4, R = 0.0537. Both structures are composed of monomeric complex molecules; the magnesium coordination environment is a distorted octahedron; tfac ligands are in the trans-position. The interatomic distances and bond angles are identical in the molecules; the packing motif is the only distinction between the two polymorphs.

KW - diamines

KW - magnesium

KW - MOCVD precursor

KW - single crystal X-ray diffraction analysis

KW - β-diketonates

KW - COMPLEXES

KW - MAGNESIUM

KW - HIGHLY VOLATILE

KW - VAPOR-PRESSURE

KW - THERMAL-PROPERTIES

KW - MOCVD PRECURSORS

KW - THIN-FILM GROWTH

KW - beta-diketonates

UR - http://www.scopus.com/inward/record.url?scp=85041630081&partnerID=8YFLogxK

U2 - 10.1134/S0022476617080297

DO - 10.1134/S0022476617080297

M3 - Article

AN - SCOPUS:85041630081

VL - 58

SP - 1681

EP - 1684

JO - Journal of Structural Chemistry

JF - Journal of Structural Chemistry

SN - 0022-4766

IS - 8

ER -