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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=100305 Help
TitleStrukturverfeinerung von Harnstoff mit Neutronenbeugungsdaten bei 60, 123, 293 K und X-N- und X-X (1S2)-Synthesen bei etwa 100 K.
AuthorsGuth, H.;Heger, G.;Klein, S.;Treutmann, W.;Scheringer, C.
ReferenceZeitschrift fuer Kristallographie (1980) 153, 237-254
Link XRef SCOPUS Google
Also: IC&volume=34&fpage=162&details=yes target=icsd_help>Acta Crystallographica B (1978) 34, 162-162
Link XRef SCOPUS Google
Also: IC&volume=26&fpage=543&details=yes target=icsd_help>Acta Crystallographica A (1970) 26, 543-558
Link XRef SCOPUS Google
CompoundC1 H4 N2 O1 - [Urea] Urea [AXY2] [tP16] [e c2] []
Cell5.572(8), 5.572(8), 4.686(8), 90., 90., 90.
P4-21M (113) V=145.49
RemarksR=0.034000 : N T =60 : M =Urea :
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
C1(2c)4
O1(2c)-2
N1(4e)-3
H1(4e)1
H2(4e)1
00.50.3201
00.50.5901
0.140.640.1701
0.250.750.2801
0.140.64-.0401
Atom (site) Oxid. U11, U22, U33, U12, U13, U23
C1(2c)4
O1(2c)-2
N1(4e)-3
H1(4e)1
H2(4e)1
0.000.000.000.0000
0.010.010.00-.0000
0.010.010.01-.000.000.00
0.030.030.02-.01-.00-.00
0.030.030.01-.000.000.00

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