#**************************************************************************
#
# CIF taken from the IZA-SC Database of Zeolite Structures, presently  
# maintained by Ch. Baerlocher L.B. McCusker, D.H. Brouwer and B. Marler.
# Database of Zeolite Structures: http://www.iza-structure.org/databases/ 
#
# The atom coordinates and the cell parameters were optimized with DLS76
# assuming a pure SiO2 composition.
#
#**************************************************************************

data_EFN

_chemical_name_common                  ' EMM-59, C2/m, DLS optimized'
_cell_length_a                         43.2246
_cell_length_b                         20.1027
_cell_length_c                         15.6442
_cell_angle_alpha                      90.000000
_cell_angle_beta                       98.9424
_cell_angle_gamma                      90.000000
_cell_volume                           13428.55
_space_group_name_H-M_alt              'C 2/m'
_space_group_IT_number                 12

loop_
_space_group_symop_operation_xyz
   'x, y, z'
   '-x, -y, -z'
   '-x, y, -z'
   'x, -y, z'
   'x+1/2, y+1/2, z'
   '-x+1/2, -y+1/2, -z'
   '-x+1/2, y+1/2, -z'
   'x+1/2, -y+1/2, z'

loop_
   _atom_site_label
   _atom_site_type_symbol
   _atom_site_fract_x
   _atom_site_fract_y
   _atom_site_fract_z
   T1     Si    0.306070     0.574990     0.024200  
   T2     Si    0.311310     0.813840     0.041330  
   T3     Si    0.288310     0.689060     0.140420  
   T4     Si    0.402270     0.922880     0.203250  
   T5     Si    0.376990     0.576470     0.056590  
   T6     Si    0.276150     0.622740     0.844470  
   T7     Si    0.386190     0.809850     0.071100  
   T8     Si    0.401160     0.686820     0.194990  
   T9     Si    0.342950     0.719570     0.286060  
   T10    Si    0.466710     0.923380     0.673920  
   T11    Si    0.291830     0.923770     0.163470  
   T12    Si    0.346730     0.875860     0.296740  
   T13    Si    0.429390     0.807410     0.734730  
   T14    Si    0.467400     0.689990     0.680060  
   T15    Si    0.464430     0.872640     0.309060  
   T16    Si    0.434560     0.727300     0.493130  
   T17    Si    0.372620     0.923660     0.476360  
   T18    Si    0.440400     0.882100     0.485720  
   T19    Si    0.460990     0.718310     0.317180  
   T20    Si    0.363190     0.695200     0.479820  
   T21    Si    0.366810     0.812790     0.608890  
   T22    Si    0.280930     0.777770     0.854950  
   T23    Si    0.426710     0.575620     0.731730  
   T24    Si    0.392020     0.615370     0.881070  
   T25    Si    0.364360     0.574950     0.604200  
   T26    Si    0.394470     0.773220     0.884550  
   T27    Si    0.331570     0.621150     0.749090  
   T28    Si    0.333860     0.775650     0.753230  
   O1      O    0.288030     0.622690     0.082750 
   O2      O    0.341460     0.600810     0.026760 
   O3      O    0.306660     0.500000     0.060740 
   O4      O    0.288100     0.575440     0.926000 
   O5      O    0.297820     0.816630     0.939470 
   O6      O    0.295090     0.752940     0.084280 
   O7      O    0.302950     0.882560     0.085400 
   O8      O    0.348650     0.803200     0.055000 
   O9      O    0.254600     0.696820     0.170900 
   O10     O    0.314770     0.682740     0.224610 
   O11     O    0.394460     0.000000     0.182330 
   O12     O    0.379750     0.895040     0.267890 
   O13     O    0.396260     0.880740     0.114690 
   O14     O    0.438230     0.915240     0.248050 
   O15     O    0.396020     0.582880     0.976260 
   O16     O    0.393160     0.621650     0.136020 
   O17     O    0.376940     0.500000     0.087160 
   O18     O    0.296670     0.607690     0.769060 
   O19     O    0.280930     0.699160     0.874350 
   O20     O    0.239620     0.608460     0.811170 
   O21     O    0.399320     0.804360     0.980500 
   O22     O    0.401420     0.751420     0.134400 
   O23     O    0.375690     0.696370     0.258860 
   O24     O    0.435090     0.677310     0.252870 
   O25     O    0.342270     0.699270     0.385310 
   O26     O    0.338980     0.798840     0.275170 
   O27     O    0.459220     0.918010     0.570110 
   O28     O    0.464890     0.000000     0.702630 
   O29     O    0.441320     0.881130     0.716320 
   O30     O    0.501290     0.895190     0.707800 
   O31     O    0.319270     0.921540     0.245840 
   O32     O    0.285280     0.000000     0.134500 
   O33     O    0.349170     0.888900     0.399150 
   O34     O    0.419520     0.804570     0.829750 
   O35     O    0.399670     0.789040     0.663220 
   O36     O    0.457180     0.755110     0.728650 
   O37     O    0.455710     0.624630     0.725290 
   O38     O    0.504940     0.687670     0.687760 
   O39     O    0.451980     0.691750     0.579600 
   O40     O    0.461310     0.884260     0.409160 
   O41     O    0.459790     0.794810     0.286530 
   O42     O    0.453730     0.712880     0.414740 
   O43     O    0.433030     0.806280     0.508760 
   O44     O    0.399670     0.697670     0.469680 
   O45     O    0.371140     0.883880     0.564930 
   O46     O    0.407890     0.920680     0.455250 
   O47     O    0.362550     0.000000     0.486540 
   O48     O    0.355610     0.626620     0.525560 
   O49     O    0.354950     0.757850     0.536310 
   O50     O    0.341390     0.820280     0.673480 
   O51     O    0.299550     0.792350     0.775380 
   O52     O    0.416430     0.581840     0.826000 
   O53     O    0.397760     0.595370     0.658480 
   O54     O    0.436950     0.500000     0.716760 
   O55     O    0.356840     0.602880     0.832620 
   O56     O    0.399040     0.693850     0.890290 
   O57     O    0.338260     0.577860     0.667280 
   O58     O    0.366120     0.500000     0.568750 
   O59     O    0.359580     0.790130     0.837130 
   O60     O    0.335210     0.698560     0.726360 