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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=81528 Help
TitleNa2 K (W N3) and Na11 Rb ((W N3)4), two new alkali metal nitrido tungstates(VI) with closely related structures.
AuthorsNiewa, R.;Jacobs, H.
ReferenceIC&volume=233&fpage=61&details=yes target=icsd_help>Journal of Alloys Compd. (1996) 233, 61-68
Link XRef SCOPUS Google
CompoundK1 N3 Na2 W1 - Disodium potassium trinitridotungstate [ABC2X3] [oP56] [e4 d5 c2] []
Cell6.3948(9), 12.292(3), 11.924(3), 90., 90., 90.
PBCM (57) V=937.28
RemarksR=0.033000 : D C
The coordinates are those given in the paper but the atomic distances do not agree with those calculated during testing.The coordinates are probably correct.
Values for b- and c-axes interchanged in paper

Atom (site) Oxid. x, y, z, B, Occupancy
W1(4d)6
W2(4c)6
K1(8e)1
K2(4d)1
Na1(8e)1
Na2(4d)1
Na3(4c)1
N1(8e)-3
N2(8e)-3
N3(4d)-3
N4(4d)-3
0.020.380.2501
0.270.25001
0.070.510.0000.49
0.620.200.2501
0.470.460.1201
0.160.120.2501
0.770.25001
0.100.290.1101
0.440.140.0501
0.160.510.2501
0.750.400.2501
Atom (site) Oxid. U11, U22, U33, U12, U13, U23
W1(4d)6
W2(4c)6
K1(8e)1
K2(4d)1
Na1(8e)1
Na2(4d)1
Na3(4c)1
N1(8e)-3
N2(8e)-3
N3(4d)-3
N4(4d)-3
0.010.020.00-.0000
0.040.000.01000.00
0.100.030.020.030.010.03
0.050.040.050.0000
0.030.020.02-.000.00-.00
0.030.010.03-.0000
0.010.120.0900-.05
0.070.020.01-.000.01-.00
0.070.020.030.01-.02-.00
0.020.020.030.0000
0.010.110.06-.0000

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