根据PDF卡片求一个cif文件，用来画晶胞

Cr(OH)3是Hexagonal（六方）晶型

我想画出一个六方结构的晶胞，如下图所示，只不过要在相应的位置加上Cr O原子

PDF卡片信息如下：

PDF#16-0817: QM=Indexed(I); d=Guinier(114.6mm); I=Other/Unknown
Chromium Hydroxide Hydrate
Cr ( O H )3 .3 H2 O       
Radiation=CuKa1        Lambda=1.54056        Filter=
Calibration=        2T=18.201-71.028        I/Ic(RIR)=
Ref: de Wolff, P., Technisch Physische Dienst, Delft, The Netherlands.
ICDD Grant-in-Aid
Hexagonal - Powder Diffraction        Z=1        mp=
CELL: 5.288 x 5.288 x 4.871 <90.0 x 90.0 x 120.0>        P.S=h?16 (Bayerite, Al H3 O3)
Density(c)=2.897        Density(m)=1.90A        Mwt=157.06        Vol=117.96        F(16)=25.8(0.031,20/0)
Ref: Ibid.

Strong Lines: 4.58/X 4.87/6 3.34/6 2.32/2 1.79/2 2.15/1 1.67/1 2.07/1 1.73/1 1.63/1
NOTE:  Sample prepared at Chemistry Dept., T.U.
Delft, The Netherlands.