Group,

I've got a few questions about the display of crystals.

First question:
I have a cif file of a MgCl2 crystal 'mgcl2_3x3x3.cif' (see attached).

when I load it as: 'load mgcl2_3x3x3.cif' I get the translational asymmetric unit (2 atoms) displayed

when I load it as: 'load mgcl2_3x3x3.cif {1 1 1}' I get 10 atoms displayed

when I load it as: ' load mgcl2_3x3x3.cif {1 1 1} PACKED' I get 24 atoms displayed

How do I switch between these display modes w/o having to reload the file?


Second question:
Is jmol smart enough to work out (and display it) the structure of the smallest electrically neutral unit (I guess the "molecule" the crystal is built from), in this case MgCl2 ?

thx a bunch,
H.

data_VESTA_phase_1


_pd_phase_name                         'Structure 1                           '
_cell_length_a                         3.59600
_cell_length_b                         3.59600
_cell_length_c                         17.59000
_cell_angle_alpha                      90
_cell_angle_beta                       90
_cell_angle_gamma                      120
_symmetry_space_group_name_H-M         'R -3 m'
_symmetry_Int_Tables_number            166

loop_
_symmetry_equiv_pos_as_xyz
   'x, y, z'
   '-x, -y, -z'
   '-y, x-y, z'
   'y, -x+y, -z'
   '-x+y, -x, z'
   'x-y, x, -z'
   'y, x, -z'
   '-y, -x, z'
   'x-y, -y, -z'
   '-x+y, y, z'
   '-x, -x+y, -z'
   'x, x-y, z'
   'x+2/3, y+1/3, z+1/3'
   '-x+2/3, -y+1/3, -z+1/3'
   '-y+2/3, x-y+1/3, z+1/3'
   'y+2/3, -x+y+1/3, -z+1/3'
   '-x+y+2/3, -x+1/3, z+1/3'
   'x-y+2/3, x+1/3, -z+1/3'
   'y+2/3, x+1/3, -z+1/3'
   '-y+2/3, -x+1/3, z+1/3'
   'x-y+2/3, -y+1/3, -z+1/3'
   '-x+y+2/3, y+1/3, z+1/3'
   '-x+2/3, -x+y+1/3, -z+1/3'
   'x+2/3, x-y+1/3, z+1/3'
   'x+1/3, y+2/3, z+2/3'
   '-x+1/3, -y+2/3, -z+2/3'
   '-y+1/3, x-y+2/3, z+2/3'
   'y+1/3, -x+y+2/3, -z+2/3'
   '-x+y+1/3, -x+2/3, z+2/3'
   'x-y+1/3, x+2/3, -z+2/3'
   'y+1/3, x+2/3, -z+2/3'
   '-y+1/3, -x+2/3, z+2/3'
   'x-y+1/3, -y+2/3, -z+2/3'
   '-x+y+1/3, y+2/3, z+2/3'
   '-x+1/3, -x+y+2/3, -z+2/3'
   'x+1/3, x-y+2/3, z+2/3'

loop_
   _atom_site_label
   _atom_site_occupancy
   _atom_site_fract_x
   _atom_site_fract_y
   _atom_site_fract_z
   _atom_site_adp_type
   _atom_site_B_iso_or_equiv
   _atom_site_type_symbol
   Mg1      1.0    0            0            0           Biso  1.000  Mg
   Cl1      1.0    0            0            0.25781     Biso  1.000  Cl
------------------------------------------------------------------------------
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