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1 entry selected.
CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=93940 Help
TitleSynthesis and crystal structure of bis(urea) chromatoneptunyl Np O2 Cr O4 * 2(O C (N H2)2).
AuthorsAndreev, G.B.;Antipin, M.Yu.;Fedoseev, A.M.;Budantseva, N.A.
ReferenceKristallografiya (2001) 46, 433-434
Link XRef SCOPUS Google
CompoundC2 H8 Cr1 N4 Np1 O8 - Dioxoneptunium(VI) chromate(VI) - urea (1/2) [ABC2X4Y8] [mP96] [e16] []
Cell7.192(2), 12.902(4), 11.226(3), 90, 92.19(2), 90
P121/N1 (14) V=1040.91
RemarksR=0.045000 :
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.

Atom (site) Oxid. x, y, z, B, Occupancy
Np1(4e)6
Cr1(4e)6
C1(4e)4
C2(4e)4
O1(4e)-2
O2(4e)-2
O3(4e)-2
O4(4e)-2
O5(4e)-2
O6(4e)-2
O7(4e)-2
O8(4e)-2
N1(4e)-3
N2(4e)-3
N3(4e)-3
N4(4e)-3
H1(4e)1
H2(4e)1
H3(4e)1
H4(4e)1
H5(4e)1
H6(4e)1
H7(4e)1
H8(4e)1
0.230.070.290.011
0.740.010.370.011
0.010.160.050.031
0.480.150.060.021
0.23-0.00.280.021
0.240.210.300.021
0.73-0.00.260.031
0.240.060.500.021
0.550.080.360.031
-0.00.080.360.021
0.420.080.120.021
0.030.080.120.031
0.050.14-0.00.051.00
-0.00.250.090.061.00
0.470.250.080.051.00
0.570.13-0.00.041.00
0.090.09-0.00.061
0.040.200.890.061
-0.00.260.160.061
-0.00.300.040.061
0.420.270.150.061
0.520.300.040.061
0.580.06-0.00.061
0.610.17-0.00.061

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