Abstract
Three new solid state silver selenoarsenates and one thioarsenate prepared from hydro- and methanothermal synthesis are described. β-Ag3AsSe3 (I) and (Me3NH)[Ag3As2Se5] (II) were synthesized hydrothermally at 110°C from a mixture of AgBF4/3K3AsSe3 and AgBF4/3K3AsSe3/6Me3NHCl, while K5[Ag2As3Se9] (III) and K[Ag3As2S5] (IV) were synthesized methanothermally at 110°C from a mixture of AgBF4/3K3AsS3 and AgBF4/3K3AsSe3, respectively. β-Ag3AsSe3(I) crystallizes in the orthorhombic space group Pnma (No. 62) with a = 8.111(1) Å, b = 11.344(2) Å, c = 20.728(3) Å, Z = 8, V = 1907(1) Å3. This compound is a new allotrope of α-Ag3AsSe3 and has a complex three-dimensional structure composed of distorted trigonal planar and tetrahedral Ag+ ions and [AsSe3]3- units. (Me3NH)[Ag3As2Se5] (II) crystallizes in the triclinic space group P - 1 (No. 2) with a = 10.119(2) Å, b = 18.010(4) Å, c = 14.932(3) Å, α = 110.20 (1)°, β = 103.98(2)°, γ = 99 99(1)°, Z = 2, V = 729.3(8) Å3. The [Ag3As2Se5]n-n anion in (II) has a complex two-dimensional layered structure with tetrahedral Ag+ ions and [As2Se5]4- units. K5[Ag2As3Se9] (III) crystallizes in the orthorhombic space group Pnma (No. 62) with a = 12.599(2) Å, b = 12.607(4) Å, c = 14.067(3) Å, Z = 8, V = 2234(1) Å3. The [Ag2As3Se9]5n-n anion in (III) has a two-dimensional layered structure with tetrahedral Ag+ ions and two different kinds of selenoarsenate units, [AsSe4]3- and [As2Se5]4-. K[Ag3As2S5] (IV) also crystallizes in the orthorhombic space group Pnma (No. 62) with a = 19.210(2) Å, b = 16.867(2) Å, c = 6.3491(7) Å, Z = 8, V = 2057.2(7) Å3. The [Ag3As2S5]n-n anion in (IV) possesses a complicated two-dimensional structure with tetrahedral Ag+ ions and two kinds of thioarsenate ligands, [AsS3]3- and [As3S7]5-. The thermal stability and optical absorption properties of these compounds are reported.
| Original language | English |
|---|---|
| Pages (from-to) | 186-201 |
| Number of pages | 16 |
| Journal | Journal of Solid State Chemistry |
| Volume | 127 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - Dec 1996 |
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ASJC Scopus subject areas
- Inorganic Chemistry
- Physical and Theoretical Chemistry
- Materials Chemistry
Cite this
Isolation of β-Ag3AsSe3, (Me3NH)[Ag3As2Se5], K5Ag2As3Se9, and KAg3As2S5 : Novel solid state silver thio- and selenoarsenates from solvento-thermal synthesis. / Kanatzidis, Mercouri G; Chou, Jun Hong.
In: Journal of Solid State Chemistry, Vol. 127, No. 2, 12.1996, p. 186-201.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Isolation of β-Ag3AsSe3, (Me3NH)[Ag3As2Se5], K5Ag2As3Se9, and KAg3As2S5
T2 - Novel solid state silver thio- and selenoarsenates from solvento-thermal synthesis
AU - Kanatzidis, Mercouri G
AU - Chou, Jun Hong
PY - 1996/12
Y1 - 1996/12
N2 - Three new solid state silver selenoarsenates and one thioarsenate prepared from hydro- and methanothermal synthesis are described. β-Ag3AsSe3 (I) and (Me3NH)[Ag3As2Se5] (II) were synthesized hydrothermally at 110°C from a mixture of AgBF4/3K3AsSe3 and AgBF4/3K3AsSe3/6Me3NHCl, while K5[Ag2As3Se9] (III) and K[Ag3As2S5] (IV) were synthesized methanothermally at 110°C from a mixture of AgBF4/3K3AsS3 and AgBF4/3K3AsSe3, respectively. β-Ag3AsSe3(I) crystallizes in the orthorhombic space group Pnma (No. 62) with a = 8.111(1) Å, b = 11.344(2) Å, c = 20.728(3) Å, Z = 8, V = 1907(1) Å3. This compound is a new allotrope of α-Ag3AsSe3 and has a complex three-dimensional structure composed of distorted trigonal planar and tetrahedral Ag+ ions and [AsSe3]3- units. (Me3NH)[Ag3As2Se5] (II) crystallizes in the triclinic space group P - 1 (No. 2) with a = 10.119(2) Å, b = 18.010(4) Å, c = 14.932(3) Å, α = 110.20 (1)°, β = 103.98(2)°, γ = 99 99(1)°, Z = 2, V = 729.3(8) Å3. The [Ag3As2Se5]n-n anion in (II) has a complex two-dimensional layered structure with tetrahedral Ag+ ions and [As2Se5]4- units. K5[Ag2As3Se9] (III) crystallizes in the orthorhombic space group Pnma (No. 62) with a = 12.599(2) Å, b = 12.607(4) Å, c = 14.067(3) Å, Z = 8, V = 2234(1) Å3. The [Ag2As3Se9]5n-n anion in (III) has a two-dimensional layered structure with tetrahedral Ag+ ions and two different kinds of selenoarsenate units, [AsSe4]3- and [As2Se5]4-. K[Ag3As2S5] (IV) also crystallizes in the orthorhombic space group Pnma (No. 62) with a = 19.210(2) Å, b = 16.867(2) Å, c = 6.3491(7) Å, Z = 8, V = 2057.2(7) Å3. The [Ag3As2S5]n-n anion in (IV) possesses a complicated two-dimensional structure with tetrahedral Ag+ ions and two kinds of thioarsenate ligands, [AsS3]3- and [As3S7]5-. The thermal stability and optical absorption properties of these compounds are reported.
AB - Three new solid state silver selenoarsenates and one thioarsenate prepared from hydro- and methanothermal synthesis are described. β-Ag3AsSe3 (I) and (Me3NH)[Ag3As2Se5] (II) were synthesized hydrothermally at 110°C from a mixture of AgBF4/3K3AsSe3 and AgBF4/3K3AsSe3/6Me3NHCl, while K5[Ag2As3Se9] (III) and K[Ag3As2S5] (IV) were synthesized methanothermally at 110°C from a mixture of AgBF4/3K3AsS3 and AgBF4/3K3AsSe3, respectively. β-Ag3AsSe3(I) crystallizes in the orthorhombic space group Pnma (No. 62) with a = 8.111(1) Å, b = 11.344(2) Å, c = 20.728(3) Å, Z = 8, V = 1907(1) Å3. This compound is a new allotrope of α-Ag3AsSe3 and has a complex three-dimensional structure composed of distorted trigonal planar and tetrahedral Ag+ ions and [AsSe3]3- units. (Me3NH)[Ag3As2Se5] (II) crystallizes in the triclinic space group P - 1 (No. 2) with a = 10.119(2) Å, b = 18.010(4) Å, c = 14.932(3) Å, α = 110.20 (1)°, β = 103.98(2)°, γ = 99 99(1)°, Z = 2, V = 729.3(8) Å3. The [Ag3As2Se5]n-n anion in (II) has a complex two-dimensional layered structure with tetrahedral Ag+ ions and [As2Se5]4- units. K5[Ag2As3Se9] (III) crystallizes in the orthorhombic space group Pnma (No. 62) with a = 12.599(2) Å, b = 12.607(4) Å, c = 14.067(3) Å, Z = 8, V = 2234(1) Å3. The [Ag2As3Se9]5n-n anion in (III) has a two-dimensional layered structure with tetrahedral Ag+ ions and two different kinds of selenoarsenate units, [AsSe4]3- and [As2Se5]4-. K[Ag3As2S5] (IV) also crystallizes in the orthorhombic space group Pnma (No. 62) with a = 19.210(2) Å, b = 16.867(2) Å, c = 6.3491(7) Å, Z = 8, V = 2057.2(7) Å3. The [Ag3As2S5]n-n anion in (IV) possesses a complicated two-dimensional structure with tetrahedral Ag+ ions and two kinds of thioarsenate ligands, [AsS3]3- and [As3S7]5-. The thermal stability and optical absorption properties of these compounds are reported.
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U2 - 10.1006/jssc.1996.0375
DO - 10.1006/jssc.1996.0375
M3 - Article
AN - SCOPUS:0001076324
VL - 127
SP - 186
EP - 201
JO - Journal of Solid State Chemistry
JF - Journal of Solid State Chemistry
SN - 0022-4596
IS - 2
ER -