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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
_space_group_Wyckoff.letter
Name:_space_group_Wyckoff.letter
Definition:
The Wyckoff letter associated with this position, as given in
International Tables for Crystallography Volume A. The
enumeration values '\a' and α are equivalent, and correspond to
the Greek letter 'alpha' used in International Tables.
Reference: International Tables for Crystallography (2016). Volume A,
Space-group symmetry, edited by M. I. Aroyo, 6th ed.
Chichester: John Wiley & Sons.
Type: Text
The data value must be one of the following:
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a |
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b |
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c |
|
d |
|
e |
|
f |
|
g |
|
h |
|
i |
|
j |
|
k |
|
l |
|
m |
|
n |
|
o |
|
p |
|
q |
|
r |
|
s |
|
t |
|
u |
|
v |
|
w |
|
x |
|
y |
|
z |
|
\a |
|
α |
Category:
space_group_Wyckoff
