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CIF abbreviations

  • To: Brian McMahon <bm@iucr.ac.uk>
  • Subject: CIF abbreviations
  • From: "I. David Brown" <idbrown@mcmail.CIS.McMaster.CA>
  • Date: Mon, 6 Oct 1997 08:52:08 -0400 (EDT)
Dear Brian, 

	For your information (and possible circulation to comcifs members
or posting on the web) I enclose below a list of the abbreviations that we
have used in the data names in the current core and pd dictionaries.  The
idea is that we should not proliferate these, but stay with same
abbreviation for the same word.  For example, difference, diffraction and
diffractometer each have different abbreviations so we should stick with
these in future dictionaries.  There are several cases (marked) where
different abbreviations are used for the same word and we should try to
standardise on one.  Fortunately there do not seem to be any cases where
the same abbreviation is used for different words.

			Best wishes


Dr.I.David Brown
Brockhouse Institute for Materials Research, 
McMaster University, Hamilton, Ontario, Canada
Tel: 1-(905)-525-9140 ext 24710
Fax: 1-(905)-521-2773

           Appear in coreCIF unless otherwise labelled

abbrev         abbreviation
abs            absolute
absorpt        absorption
AN             accession number
anal           analyser (pd)
aniso          anisotropic
atten          attenuation
av             average
ax             axial (pd)
backgd         *background
bg             *background
bkg            *background (pd)
calc           calculated
calib          calibration (pd)
cartn          cartesian
char           characterisation (pd)
coef           coefficient
conn           connectivity
cons           constant
defn           definition
detc           detector (pd)
dict           dictionary
diff           difference
diffr          diffractometer
diffrn         diffraction
displace       displacement
dist           distance (pd)
divg           divergence (pd)
dtime          dead time
eq             *equatorial (pd)
equat          *equatorial
equiv          equivalent
eqn            equation (pd)
esd            standard uncertainty (estimated standard deviation)
exptl          experimental
fract          fractional
Fsqd           F squared
geom           geometric
H-M            Hermann-Mauguin
hbond          hydrogen bond
horiz          horizontal
I              intensity
id             identifier
illum          illumination
inc            increment (pd)
incl           include
info           information (pd)
instr          instrument (pd)
Int            international
iso            isotropic
len            length (pd)
ls             least squares
max            maximum
meanI          mean intensity
meas           measured
mid            middle (between max and min)
min            minimum
monochr        *monochromator (pd)
mono           *monochromator (pd)
NCA            number of connected atoms
netI           net intensity
NH             number of connected hydrogen atoms
norm           normal
obs            observed
orient         orientation
pd             powder diffraction (pd)
perp           perpendicular
pk             peak (pd)
polarisn       polarisation
pos            position
prep           preparation (pd)
proc           processed (pd)
prof           profile (pd)
publ           publication
R              agreement index
rad            radius
recd           received
recip          reciprocal (pd)
refine         refinement
refln          reflection
reflns         reflections
res            resolution
Rmerge         agreement index of merging
rms            root mean square
S              goodness of fit
samp           sample (pd)
scat           scattering factor
sigI           *sigma(I)
sigmaI         *sigma(I)
sint           sin theta
sint/lambda    *sin(theta)/lambda
spec           specimen (pd)
src            source (pd)
std            standard (pd)
stol           *sin(theta)/lambda 
tbar           mean path length
tran           *transformation
transf         *transformation
transform      *transformation
vert           vertical
wR             weighted agreement index
wt             weight

* terms with multiple definitions
terms for which abbreviations are defined are sometimes found

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