I didn't even know of the existence of the frieze, rod, and layer groups
until I read this comment.

So, I guess it's working?

On Sat, 24 Dec 2022, 22:49 Leopoldo Suescun, <leopo...@fq.edu.uy> wrote:

> Hi all,
>
> Thank you Matt for bringing up this issue.
>
> Massimo Nespolo has been fighting for the correct description of
> structures, specially focusing on symmetry and proper terminology, for
> years (see his many articles on the misuse of lattice, sublattice,
> superlattice, etc).
>
> He has, as well, been educating crystallographers of all ages in symmetry
> concepts and use through IUCr's MaThCryst Commision and Internationa School
> on Fundamental Crystallograpy courses around the world.
>
> He'll probably be remembered by many as a Dick Marsh of symmetry.
>
> I guess it is the task of all us, crystallographers, to promote the
> correct use of terminology related to crystal structures, as suggested by
> IUCr conventions included in IUCr Dictionary and modern literature.
>  https://dictionary.iucr.org/Main_Page
>
> Best wishes for all of you that, in a way or another have this as a
> special week in your calendars, and Happy New Year for all.
>
> Leo
>
> El sáb, 24 de dic. de 2022 05:01, Matthew Rowles <rowle...@gmail.com>
> escribió:
>
>> Hi all
>>
>> I think this is the one
>>
>> https://scripts.iucr.org/cgi-bin/paper?S1600576721001606
>>
>> Matthew
>>
>> On Fri, 23 Dec 2022, 10:00 Matthew Rowles, <rowle...@gmail.com> wrote:
>>
>>> This might be it, but the link is to the iucr homepage:
>>>
>>> Google: "letter to the editor" two-dimensional "layer groups" graphene
>>> iucr
>>>
>>> [image: image.png]
>>>
>>>
>>>
>>>
>>> On Fri, 23 Dec 2022 at 09:53, Matthew Rowles <rowle...@gmail.com> wrote:
>>>
>>>> Hi all
>>>>
>>>> A while ago (months, years??) I recall reading an editorial or letter
>>>> to the editor about materials being referred to as "2D", and how they're
>>>> actually 3D, and just periodic in the plane, and should be referred to as
>>>> 2P and a relevant layer group.
>>>>
>>>> Does anyone recall such a thing?
>>>>
>>>>
>>>> Thanks
>>>>
>>>> Matthew
>>>>
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