and add pi to the phase. So we get 2 possible
phases, separated by 180*. (Or something like that.)
-Original Message-
From: CCP4 bulletin board On Behalf Of Edward A. Berry
Sent: Saturday, March 2, 2019 2:00 PM
To: CCP4BB@JISCMAIL.AC.UK
Subject: [ccp4bb] Confused about centric reflections
Thaks! typo- h,0,l not h,0,k
I have not registered for editing on that wiki,
so I was hoping someone else would take care of it.
But it seems all that's needed is to confirm your account, so I'll register and
give it a try. Hope I don't make things worse!
(what is this urldefense.proofpoint? did
You are correct, other than your typo. The centric zone in a
monoclinic space group (B setting) is h0l.
This web site is a wiki so you should be able to correct it yourself.
Dale Tronrud
On 3/2/2019 2:00 PM, Edward A. Berry wrote:
> The wiki:
>
>
The wiki:
https://strucbio.biologie.uni-konstanz.de/ccp4wiki/index.php/Centric_and_acentric_reflections
says:
"A reflection is centric if there is a reciprocal space symmetry
operator which maps it onto itself (or rather its Friedel mate).
. . .
Centric reflections in space group P2 and P21 are
