International
Tables for
Crystallography
Volume G
Definition and exchange of crystallographic data
Edited by J. R. Hester and B. McMahon

International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001011

Chapter 4.2 Core dictionary (coreCIF)


Index

Core dictionary version 3.3.0

_diffrn_refln.counts_bg_2

Name:
_diffrn_refln.counts_bg_2

Alias:
_diffrn_refln_counts_bg_2

Definition:

   
    The measured background counts on the other side of the
    peak from the measurement of _diffrn_refln.counts_bg_1
    when measuring using a point detector.

    Note that counts-per-second values should be converted to
    total counts.

    Standard uncertainties should not be quoted for these values.
    If the standard uncertainties differ from the square root of
    the number of counts, _diffrn_refln.intensity_* should be used.

Type: Integer

Units: counts


The permitted range is 0 → infinity

Category:
diffrn_refln








































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