Synthesis and crystal data for K3Nb3O6Si2O7

1994 ◽  
Vol 9 (2) ◽  
pp. 96-97 ◽  
Author(s):  
S. Launay ◽  
P. Mahé ◽  
M. Quarton
Keyword(s):  
Solid State ◽  
Single Crystals ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Solid State Reaction ◽  
Crystal Data ◽  
Powder Diffraction Data ◽  
Compound K ◽  
Unit Cell Parameters ◽  
Cell Parameters

The silicate compound, K3Nb3O6Si2O7, has been synthesized by solid-state reaction. Single crystals were obtained; they crystallized with the hexagonal space group P2c. Refined unit-cell parameters are: a = 9.0377(3), c=8.0465(7)Å, V=569.18(5)Å3, Z=2, Dm = 3.84(4), Dx=3.851. Powder diffraction data are reported.

New Crystal Data for Seven Molybdates MIIUMo4O16 (MII = Mg,Mn,Cd,Ca,Hg,Sr,Pb)

1988 ◽  
Vol 3 (2) ◽  
pp. 106-109 ◽  
Author(s):  
M.R. Lee ◽  
M. Quartern ◽  
S. Jaulmes
Keyword(s):  
Solid State ◽  
Single Crystals ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Solid State Reaction ◽  
Monoclinic Space Group ◽  
Crystal Data ◽  
Powder Diffraction Data ◽  
Unit Cell Parameters ◽  
Cell Parameters

AbstractSeven isotopic molybdates MIIUMo4O16 have been synthesized by solid state reaction with MII = Mg, Mn, Cd, Ca, Hg, Sr, Pb. Single crystals of CaUMo4O16 were obtained. Previously reported as triclinic, this compound is monoclinic, space group P2/n. Unit-cell parameters for the seven compounds are:MgUMo4O16: a = 11.393(2), b = 6.505(1), c = 7.918(2) Å, β = 89.81(3)°, V = 586.8(5) Å3, Z = 2, Dx = 5.12 Mg m−3;MnUMo4O16: a = 11.413(2), b = 6.555(1), c = 8.023(1) Å, β = 89.86(2)°, V = 600.2(4)Å3, Z = 2, Dx = 5.18 Mg m−3;CdUMo4O16: a = 11.427(2), b = 6.607(1), c = 8.144(2) Å3, β = 90.40(2)°, V = 614.8(5)Å3, Z = 2, Dx = 5.37 Mg m−3;CaUMo4O16: a = 11.443(3), b = 6.653(2), c = 8.239(2)Å, β = 90.51(3)°, V = 627.2(6)Å3, Z = 2, Dm = 4.83(5), Dx = 4.88 Mg m−3;HgUMo4O16: a = 11.439(3), b = 6.643(1), c = 8.257(2)Å, β = 90.53(3)°, V = 627.4(6)Å3, Z = 2, Dx = 5.73 Mg m−3;SrUMo4O16: 11.465(3), b = 6.768(2), c = 8.492(2) Å, β = 90.86(3)°, V = 658.8(6)Å3, Z = 2, Dx = 4.88 Mg m−3;PbUMo4O16: a = 11.470(4), b = 6.813(2), c = 8.557(2)Å, β = 90.88(4)°, V = 668.7(8)Å3, Dx = 5.41 Mg m−3;Powder diffraction data for each phase are reported.

Crystal growth and crystallographic data of five TIBIIXO4 compounds

1993 ◽  
Vol 8 (3) ◽  
pp. 145-148 ◽  
Author(s):  
G. Wallez ◽  
A. M. Xuriguera ◽  
A. Elfakir ◽  
M. Quarton
Keyword(s):  
Crystal Growth ◽  
Solid State ◽  
Single Crystals ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Solid State Reaction ◽  
Powder Diffraction Data ◽  
Unit Cell Parameters ◽  
Cell Parameters ◽  
Related Compounds

Five structurally related compounds, TlMgAsO4, TlMgPO4, TlZnAsO4, TlZnPO4, TlZnVO4, have been synthesized by solid-state reaction. Single crystals have been grown by various methods. Space group and unit-cell parameters were determined. Powder diffraction data for each phase are reported.

Crystal and X-Ray Powder Data for Three Orthovanadates M Th2 (VO4)3 (M = K, Rb, Cs)

1989 ◽  
Vol 4 (3) ◽  
pp. 165-167 ◽  
Author(s):  
A. Elfakir ◽  
J.P. Souron ◽  
M. Quartern
Keyword(s):  
Solid State ◽  
Single Crystals ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Solid State Reaction ◽  
Monoclinic Space Group ◽  
Powder Diffraction Data ◽  
Unit Cell Parameters ◽  
X Ray ◽  
Cell Parameters

AbstractThree isotopic orthovanadates MTh2 (VO4)3 with M = K, Rb, Cs have been syndiesized by solid state reaction. Single crystals of K Th2 (VO4)3 and Rb Th2 (VO4)3 were obtained. These compounds are isotypic with the corresponding orthophosphates: monoclinic, space group C2/c, Z = 4. Unit-cell parameters for die diree compounds were determined. Powder diffraction data for each phase are reported.

X-Ray Powder Diffraction Data for AITh2(VO4)3Compounds with AI= Li, Na, Ag

1990 ◽  
Vol 5 (4) ◽  
pp. 219-220 ◽  
Author(s):  
A. Elfakir ◽  
J.P. Souron ◽  
M. Quarton
Keyword(s):  
Solid State ◽  
Single Crystals ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Solid State Reaction ◽  
Powder Diffraction Data ◽  
Unit Cell Parameters ◽  
X Ray ◽  
Cell Parameters ◽  
Zircon Type

AbstractThree orthovanadates ATh2(VO4)3with A = Li, Na, Ag have been synthesized by solid state reaction. Single crystals of AgTh2(VO4)3were obtained. This compound is isotypic with sheelite whose space group is I41/a(88). The two other compounds (A = Li, Na) have a zircon type structure: I41/ amd(141). Unit-cell parameters and powder diffraction data for the three compounds are reported.

Crystal data of two thiophosphates ATi2(PS4)3 with a new structural type (A=Na, Ag)

1994 ◽  
Vol 9 (2) ◽  
pp. 105-107 ◽  
Author(s):  
X. Cieren ◽  
J. Angenault ◽  
J-C. Couturier ◽  
M. Quartern
Keyword(s):  
Solid State ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Solid State Reaction ◽  
Structural Type ◽  
Original Structure ◽  
Crystal Data ◽  
Powder Diffraction Data ◽  
Unit Cell Parameters ◽  
Cell Parameters

Two new thiophosphates with an original structure corresponding to formula ATi2(PS4)3 (with A=Na,Ag) were synthesized by solid-state reaction. The two compounds are isostructural, hexagonal space group P6cc, Z=8. A single crystal of NaTi2(PS4)3 has been studied. Unit-cell parameters were determined for NaTi2(PS4)3 and AgTi2(PS4)3, respectively: a= 19.9131(6) Å, c= 11.5542(7) Å, V=3967.8(3) Å3 and a=20.0146(8) Å, c= 11.5467(8) Å, V=4005.7(4) Å3. Powder diffraction data are reported.

A monotitanate with a stuffed cristobalite structure type

1994 ◽  
Vol 9 (2) ◽  
pp. 146-147 ◽  
Author(s):  
C. Colbeau-Justin ◽  
A. Elfakir ◽  
M. Quarton
Keyword(s):  
Solid State ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Solid State Reaction ◽  
Structure Type ◽  
Unit Cell ◽  
Powder Diffraction Data ◽  
Unit Cell Parameters ◽  
Space Group ◽  
Cell Parameters

A new titanate K2ZnTiO4 has been synthesized by solid-state reaction. This compound is isostructural with K2ZnGeO4, space group Pca21, Z=8. Unit-cell parameters were determined: a=11.3352(6) Å, b=5.6352(5) Å, c=16.0125(13) Å, and V=1022.8(3) Å3. Powder diffraction data are reported.

Crystal and Powder X-Ray Diffraction Data for TlBeXO4 (X = P, As)

1992 ◽  
Vol 7 (1) ◽  
pp. 44-46 ◽  
Author(s):  
G. Wallez ◽  
A. Elfakir ◽  
M. Quartern
Keyword(s):  
Solid State ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Solid State Reaction ◽  
Powder Diffraction Data ◽  
X Ray Diffraction ◽  
Unit Cell Parameters ◽  
X Ray ◽  
Cell Parameters ◽  
New Compounds

AbstractTwo new compounds TlBeXO4 (X = P, As) have been synthesized by solid state reaction. Single crystals were obtained. These compounds are isotypic, space group Pna21, Z = 4. Unit-cell parameters were determined. Powder diffraction data for each phase are reported.

Crystal Data for Thirteen Tellurates MIBaNbTe2O9 (MI = Li,Na,K,Rb,Ag) and BaNbTe2O9 (MII = Mg,Ca,Sr,Ba,Cu,Zn,Cd,Pb)

1989 ◽  
Vol 4 (1) ◽  
pp. 31-33 ◽  
Author(s):  
S. Launay ◽  
P. Mahé ◽  
M. Quarton
Keyword(s):  
Solid State ◽  
Single Crystals ◽  
Powder Diffraction ◽  
Solid State Reaction ◽  
Unit Cell ◽  
Crystal Data ◽  
Unit Cell Parameters ◽  
Orthorhombic Space Group ◽  
Cell Parameters ◽  
Diffraction Patterns

AbstractThirteen isotypic tellurates having the stoichiometries MIBaNbTe2O9 and BaNbTe2O9, with MI = Li,Na,K,Rb,Ag and MII = Mg,Ca,Sr,Ba,Cu,Zn,Cd,Pb, have been synthesized by solid state reaction. Single crystals of KBaNbTe2O9 were obtained. The compounds crystallize in the orthorhombic space group P212121 [19]. Unit-cell parameters for the 13 compounds and powder diffraction patterns for three representative compounds, KBaNbTe2O9, Ba1.5NbTe2O9 and Cd0.5BaNbTe2O9, are given.

Revised Crystal Data of Zr(MoO4)2, L.T. Form

1989 ◽  
Vol 4 (1) ◽  
pp. 29-30 ◽  
Author(s):  
M. Auray ◽  
M. Quarton ◽  
P. Tarte
Keyword(s):  
Hydrothermal Synthesis ◽  
Solid State ◽  
Single Crystals ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Solid State Reaction ◽  
Crystal Data ◽  
Powder Diffraction Data

AbstractZr(MoO4)2 molybdate has been synthesized by solid state reaction. Single crystals were obtained by hydrothermal synthesis. Corrected crystal data are: monoclinic, a = 11.4309 (3), b = 7.9376 (2), c = 7.4619 (2) Å and β = 122.323 (2)°, V = 572.13 (6) /cm3 (5), Dx = 4.770 g/cm3. Powder diffraction data are reported.

Revised crystallographic data of K2MgGeO4 and K2CdGeO4 compounds

1997 ◽  
Vol 12 (3) ◽  
pp. 138-140 ◽  
Author(s):  
C. Colbeau-Justin ◽  
G. Wallez ◽  
A. Elfakir ◽  
M. Quarton
Keyword(s):  
Solid State ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Solid State Reaction ◽  
Unit Cell ◽  
Crystallographic Data ◽  
Powder Diffraction Data ◽  
Unit Cell Parameters ◽  
Space Group ◽  
Cell Parameters

The two germanates K2MgGeO4 and K2CdGeO4 have been synthesized by solid-state reaction. These compounds are isostructural with K2ZnGeO4, space group Pca21 (No. 29), Z=8. Unit cell parameters were determined: for K2MgGeO4a=11.1810(11), b=5.5708(6), c=15.8694(16) Å, V=988.5(3) Å3 and for K2CdGeO4a=11.4777(24), b=5.7155(7), c=16.1732(17) Å, V=1061.0(5) Å3. Powder diffraction data are reported.

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