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1983•Acta Crystallographica Section C Crystal Structure CommunicationsRequires access

Polymorphism of crystalline poly(hydroxymethyl) compounds. VIII. Structures of the tris(hydroxymethyl)aminomethane hydrogenhalides, (HOH2C)3CNH3+.X− (X=F,Cl,Br,I)

Reuben Rudman, R. Lippman, D. S. Sake Gowda, Donna Eilerman

Open publisher page 7 citations

Abstract

Three of the title compounds, TrisH+.X - (X = F,CI,Br), are isostructural: rhombohedral, R3 (H), Z= 6. At 294 K the crystal data are: TrisH+.F-: M r= 141.2, a=7.123(6), c= 22.47 (2),/~, V= 987.3/~3, D x = 1.425, D m = 1.418 Mg m -3, /t(Cu Ka)= 1.21mm-1 (only crystal data were ob- tained for this compound). TrisH+.Cl-: Mr,= 157.6, a = 7.569 (1), c = 24.694 (4) A, V= 1225.2/k 3, D x= 1.278, D m= 1.275Mgm -3, g(CuKs)=3.78mm -l, F(000) = 504; final R = 0.072 for 266 unique reflec-

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Three of the title compounds, TrisH+.X - (X = F,CI,Br), are isostructural: rhombohedral, R3 (H), Z= 6. At 294 K the crystal data are: TrisH+.F-: M r= 141.2, a=7.123(6), c= 22.47 (2),/~, V= 987.3/~3, D x = 1.425, D m = 1.418 Mg m -3, /t(Cu Ka)= 1.21mm-1 (only crystal data were ob- tained for this compound). TrisH+.Cl-: Mr,= 157.6, a = 7.569 (1), c = 24.694 (4) A, V= 1225.2/k 3, D x= 1.278, D m= 1.275Mgm -3, g(CuKs)=3.78mm -l, F(000) = 504; final R = 0.072 for 266 unique reflec-

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Available abstract

Three of the title compounds, TrisH+.X - (X = F,CI,Br), are isostructural: rhombohedral, R3 (H), Z= 6. At 294 K the crystal data are: TrisH+.F-: M r= 141.2, a=7.123(6), c= 22.47 (2),/~, V= 987.3/~3, D x = 1.425, D m = 1.418 Mg m -3, /t(Cu Ka)= 1.21mm-1 (only crystal data were ob- tained for this compound). TrisH+.Cl-: Mr,= 157.6, a = 7.569 (1), c = 24.694 (4) A, V= 1225.2/k 3, D x= 1.278, D m= 1.275Mgm -3, g(CuKs)=3.78mm -l, F(000) = 504; final R = 0.072 for 266 unique reflec-

Key concepts: Isostructural, Hydroxymethyl, Tris, Crystallography, Crystal structure, Chemistry, Stereochemistry, Crystal (programming language)

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Polymorphism of crystalline poly(hydroxymethyl) compounds. VIII. Structures of the tris(hydroxymethyl)aminomethane hydrogenhalides, (HOH2C)3CNH3+.X− (X=F,Cl,Br,I) — Research Paper | ScholarLens