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#$Date: 2014-07-12 01:16:09 +0300 (Sat, 12 Jul 2014) $
#$Revision: 120081 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/30/01/4300179.cif $
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#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4300179
loop_
_publ_author_name
'Barbara J\"urgens'
'Elisabeth Irran'
'Julius Schneider'
'Wolfgang Schnick'
_publ_contact_author
;
 Wolfgang Schnick
 Department Chemie
 Ludwig-Maximilians-Universitaet Muenchen
 Butenandtstr. 5-13 (Haus D)
 D-81377 Munich, Germany
;
_publ_contact_author_email       wsc@cup.uni-muenchen.de
_publ_contact_author_fax         +49/89/2180-7440
_publ_contact_author_phone       +49/89/2180-7439
_publ_section_title
;
Trimerization of NaC2N3 to Na3C6N9 in the Solid: Ab Initio Crystal
Structure Determination of Two Polymorphs of NaC2N3 and of Na3C6N9 from X-ray
Powder Diffractometry
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              665
_journal_page_last               670
_journal_volume                  39
_journal_year                    2000
_chemical_formula_sum            'C2 N3 Na'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90.0
_cell_angle_beta                 93.496(1)
_cell_angle_gamma                90.0
_cell_formula_units_Z            4
_cell_length_a                   6.4717(1)
_cell_length_b                   14.9458(3)
_cell_length_c                   3.57625(7)
_cell_volume                     345.268(11)
_computing_structure_refinement  GSAS
_pd_block_id                     PHASE_1
_pd_phase_name                   NaC2N3
_refine_ls_goodness_of_fit_all   1.11
_refine_ls_number_parameters     31
_[local]_cod_cif_authors_sg_H-M  'P 21/n'
_cod_database_code               4300179
loop_
_symmetry_equiv_pos_as_xyz
+x,+y,+z
-x+1/2,+y+1/2,-z+1/2
-x,-y,-z
+x+1/2,-y+1/2,+z+1/2
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_thermal_displace_type
_atom_site_U_iso_or_equiv
_atom_site_symmetry_multiplicity
NA1 .6437(3) .0878(1) .2606(8) 1.0 Uiso .037(1) 4
N1 .2747(5) .0269(2) .2267(14) 1.0 Uiso .031(2) 4
N2 .0056(5) .1410(3) .2840(13) 1.0 Uiso .040(2) 4
N3 .0570(6) .3030(2) .2573(15) 1.0 Uiso .044(2) 4
C1 .1558(8) .0832(4) .2593(17) 1.0 Uiso .031(2) 4
C2 .0468(7) .2269(4) .2623(19) 1.0 Uiso .053(2) 4
loop_
_atom_type_symbol
_atom_type_number_in_cell
NA 4.0
N 12.0
C 8.0
_cod_database_fobs_code 4300179
_journal_paper_doi 10.1021/ic991044f