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International
Tables for Crystallography Volume G Definition and exchange of crystallographic data Edited by J. R. Hester and B. McMahon © International Union of Crystallography 2026 |
International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001011 Chapter 4.2 Core dictionary (coreCIF) |
Core dictionary version 3.3.0
Category REFLN
Name:'REFLN'
Parent category:
DIFFRACTION
Definition:
Data items in the REFLN category record details about the
reflections used to determine the ATOM_SITE data items.
The REFLN data items refer to individual reflections and must
be included in looped lists.
The REFLNS data items specify the parameters that apply to all
reflections.
Category is of type Loop
Category key:_refln.id
This category contains the following items
- _refln.A_calc
- _refln.A_calc_su
- _refln.A_meas
- _refln.A_meas_su
- _refln.B_calc
- _refln.B_calc_su
- _refln.B_meas
- _refln.B_meas_su
- _refln.class_code
- _refln.d_spacing
- _refln.F_calc
- _refln.F_calc_su
- _refln.F_complex
- _refln.F_complex_su
- _refln.F_meas
- _refln.F_meas_su
- _refln.F_squared_calc
- _refln.F_squared_calc_su
- _refln.F_squared_meas
- _refln.F_squared_meas_su
- _refln.fom
- _refln.form_factor_table
- _refln.hkl
- _refln.id
- _refln.include_status
- _refln.index_h
- _refln.index_k
- _refln.index_l
- _refln.intensity_calc
- _refln.intensity_calc_su
- _refln.intensity_meas
- _refln.intensity_meas_su
- _refln.Lp_factor
- _refln.mean_path_length_tbar
- _refln.phase_calc
- _refln.phase_calc_su
- _refln.phase_meas
- _refln.phase_meas_su
- _refln.refinement_status
- _refln.scale_group_code
- _refln.sin_theta_over_lambda
- _refln.symmetry_epsilon
- _refln.symmetry_multiplicity
- _refln.wavelength
- _refln.wavelength_id
