abbrev | abbreviation |
abs | absolute (configuration, not structure) |
absorpt | absorption |
alt | alternative |
amp | amplitude |
AN | accession number |
anal | analyser |
aniso | *anisotropic |
anisotrop | *anisotropic |
anom | anomalous |
ASTM | American Society for Testing of Metals |
asym | asymmetric |
atten | attenuation |
au | arbitrary units |
auth | author |
av | average |
ax | axial |
B | B form of atomic displacement parameter (adp) |
backgd | *background |
beg | begin |
bg | *background |
biol | biology |
bkg | *background |
bond | bonding |
Bsol | B form of adp for solvent |
calc | calculated |
calib | calibration (pd) |
cartn | cartesian |
CAS | Chemical Abstract Service |
char | characterisation (pd) |
chem | chemical |
chir | chirality |
clust | cluster |
coef | coefficient |
com | common |
comp | component |
conc | concentration |
conf | conformation |
config | configuration |
conform | conformant |
conn | connectivity |
cons | constant |
CSD | Cambridge Structural Database |
db | database |
defn | definition |
detc | detector |
der | derivative |
dev | standard deviation |
dict | dictionary |
dif | *difference |
diff | *difference |
diffr | diffractometer |
diffrn | diffraction |
displace | displacement |
dist | distance |
divg | divergence |
dom | domain |
dtime | dead time |
ens | ensemble |
eq | *equatorial |
equat | *equatorial |
equiv | equivalent |
eqn | equation |
esd | standard uncertainty (estimated standard deviation) |
See su | |
expt | experiment |
exptl | experimental |
fom | figure of merit |
fract | fractional |
Fsqd | F squared |
gen | generation |
gen | generator |
gen | genetic |
geom | geometric |
H-M | Hermann-Mauguin |
ha | heavy atom |
hbond | hydrogen bond |
hist | history |
horiz | horizontal |
I | intensity |
ICSD | Inorganic Crystal Structure Database |
id | identifier |
illum | illumination |
imag | imaginary |
inc | increment |
incl | include |
info | information |
instr | instrument |
Int | international |
ISBN | International Standard Book Number |
iso | isotropic |
iso | isomorphous |
ISSN | International Standard Serial Number |
IUCr | International Union of Crystallography |
IUPAC | International Union of Pure and Applied Chemistry |
len | length |
lim | limit |
loc | lack of closure |
ls | least squares |
max | maximum |
MDF | Metals Data File |
meanI | mean intensity |
meas | measured |
mid | middle (between max and min) |
min | minimum |
mod | modification |
mods | modifications |
mon | monomer |
monochr | *monochromator (pd) |
mono | *monochromator (pd) |
nat | natural |
NBS | National Bureau of Standards |
(now National Institute of Science and Technology) | |
NCA | number of connected atoms |
ncs | non-crystalline symmetry |
netI | net intensity |
NH | number of connected hydrogen atoms |
nha | non-hydrogen atoms |
norm | normal |
nst | non-standard |
nucl | nucleic acid |
num | number |
obs | observed |
oper | operation |
org | organism |
orient | orientation |
origx | orthogonal coordinate matrix (PDB files) |
os | operating system |
param | parameter |
pd | powder diffraction |
PDB | Protein Data Bank |
Powder Diffraction File | |
perp | perpendicular |
phos | phosphate |
pk | peak |
polarisn | polarisation |
poly | polymer |
pos | position |
prep | preparation |
proc | processed |
prof | profile |
prot | protein |
ptnr | partner |
publ | publication |
R | agreement index |
rad | radius |
recd | received |
recip | reciprocal |
ref | reference |
refine | refinement |
refln | reflection |
reflns | reflections |
res | resolution |
restr | restraints |
rev | revision |
Rmerge | agreement index of merging |
rms | root mean square |
rot | rotation |
S | goodness of fit |
samp | sample |
scat | scattering factor |
seq | sequence |
sigI | *sigma(I) |
sigmaI | *sigma(I) |
sint | sin theta |
sint/lambda | *sin(theta)/lambda |
sol | solvent |
spec | specimen |
src | source |
std | standard |
stol | *sin(theta)/lambda |
struct | structure |
su | standard uncertainty |
suppl | supplementary |
sys | systematic |
tbar | mean path length |
temp | temperature |
tor | torsion angle |
tran | *transformation |
transf | *transformation |
transform | *transformation |
tvect | translation vector (PDB files) |
vert | vertical |
wR | weighted agreement index |
wt | weight |
* terms with multiple definitions | |
terms for which abbreviations are defined are sometimes found unabbreviated |
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