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1. Organization of the Manuscript
The
title should be clear, informative and concise.
It should be centered and typed in bold CAPITAL LETTERS (Times New Roman 12 pt, leading EXACTLY 12
pt) after two blank lines (leading EXACTLY 12
pt). NO OTHER FONT IS ACCEPTED EXCEPT "symbol".
The
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EXACTLY 12 pt) after one blank line.
The
list of authors' affiliations should be stated in English giving the
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address All affiliations are to be
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followed by one blank line and by an abstract (Times New Roman 10 pt, leading
EXACTLY 10 pt) of around 150 words. This should be a single paragraph concisely
stating the main objectives of the investigation, the methodology employed, a
summary of the results, and the principal conclusions.
The
body of the article (Times New Roman 10 pt) should be organized in the
following manner: Introduction (leading
EXACTLY 11 pt), Materials and Methods
(leading EXACTLY 10 pt), Results
AND Discussion (leading EXACTLY 11 pt), Acknowledgments (leading EXACTLY 10 pt), and References (leading
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fonts, not by using the Microsoft Word shortcut (symbol chart) procedure. The
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3. Tables, references, page numbers, printer, paper
Tables
are often an economic way of presenting data.
All tables must be numbered in sequence with Latin numerals both in the
text and in the heading of each table. The heading should be sufficiently
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in the appropriate place in the text. Landscape-oriented tables, that should be
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columns used to enter the data.
Manuscripts
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Final
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electronic version of the manuscript (Microsoft Word document
e-mailed to
Freund
Publishing House Ltd., Tel Aviv,
4. References
References
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the typist in the general form.
4.1.
Titles of books and Journals should be in italic.
4.2.
Titles of Articles should not be given
4.3.
Volume Numbers should be in bold.
ON THE PUBLICATION OF THE RESULTS OF X-RAY
The importance of single crystal structure analysis employing X-ray
diffraction methods is undisputed in chemistry.
Indeed, a cursory survey of papers published recently in Main Group
Metal Chemistry shows that approximately 25% of papers contain the results
of one or more crystal structure determinations. With the advent of
area-detector diffractometers and increased automation, it may be anticipated
that more structures will be determined and published than previously. The purpose of this Editorial is to set some
general guidelines for the publication of crystallographic results in Main
Group Metal Chemistry.
The guidelines annunciated below are not meant to circumvent the
idea that in a paper ‘sufficient detail should be presented in order to allow
others to repeat the experiment’. Rather, the guidelines are specified in
recognition that many X-ray crystal structure determinations are ‘routine’ and
thereby require no particular or special description of experimental
procedures. Authors of papers containing the results of crystal structure
determinations are encouraged to check carefully that their submissions match
the guidelines below. Of course,
deviations from these guidelines will be allowed as long as a justification for
the deviation is given.
Abstract: While it would be normal to mention that a crystal
structure determination is reported, it is not necessary to include
crystallographic data in the Abstract.
Experimental: For many papers, the Experimental section will comprise a
brief statement on how the crystals were obtained and include a suitably
modified Table based on the following template:
Table 1.
_________________________________________________________________________
Formula
Formula
weight
Space group
a,
Å
b, Å
c,
Å
b, ° V, Å3
Z Diffractometer
Temperature, K
m(radiation used), cm-1
Trans. factors
Dcalcd,
g cm-3
F(000)
qmax, °
Reflns meas.
Reflns
unique, Rint
Reflns with I ≥ ns(I) Weighting
scheme
R(F or F2), Rw(F
or F2) r, e Å-3
Programs used
Deposition number CCDC
XXXXXX
_________________________________________________________________________
This Table
reports the key experimental details for a crystal structure analysis and is
sufficient for publication of a structure in Main Group Metal Chemistry. Reformatting of the Table to accommodate
papers reporting more than one structure is preferable to the inclusion of two
(or more) separate Tables. Additional
text should be included in the Experimental section when necessary. The additional text could be a discussion of
special procedures employed in the data collection and/or refinement, treatment
of disorder, location of large residual electron density peaks, details of
absolute structure determination, etc.
Each structure
submitted to Main Group Metal Chemistry must have its
crystallographic data (preferably in CIF format) deposited at the Cambridge
Crystallographic Data Centre and a CCDC deposition number must be
included in the Table. Supplementary
Material (preferably in CIF format) should still be submitted with manuscripts
for the purposes of review. As the
CCDC makes available crystallographic data upon request [1], there is no need
in normal circumstances to publish fractional atomic coordinates.
Discussion: The description of the structure should include a
discussion of key and relevant features of the molecular structure, and the
relationship between the structure and other data such as spectroscopic
results. It would be appropriate to
place the structure in the context of related studies.
A listing of
salient interatomic parameters (e.g. phenyl C-C distances are not
usually required) should be included in tabular form or, in the case of limited
data, in the caption to the Figure.
Each structure
should be represented by a thermal ellipsoid plot and the probability level for
the displacement ellipsoids stated.
When appropriate,
an analysis of intermolecular interactions should be included and in these
circumstances a unit cell diagram can be published if this enhances the
description of the crystal structure.
Crystallographic Reports
It is expected
that crystal structures would be published together in the context of a wider
chemical study. In the case of where
crystal structure is reported as a stand-alone contribution, authors should
consider whether a Crystallographic Report, as defined below, is the appropriate
medium for publication. A Crystallographic
Report in Main Group Metal Chemistry is a two page paper that will
be subjected to refereeing as for other papers published in the Journal.
An example of a
Crystallographic Report may be found in Main Group Metal Chem., 23(5),
2000. A Crystallographic Report
comprises:
i) an informative title giving the compound name and molecular
formula,
ii) a thermal ellipsoid plot - authors may wish to include a
schematic diagram (e.g. ChemDraw®) of the structure,
iii) significant interatomic parameters (included in the Figure
caption),
iv) comments highlighting the important features of the
structure,
v) an experimental section detailing the preparation and
characterization (in the case of new compounds), a table of crystallographic
data (see above) and, when appropriate, an outline of special experimental
details associated with the crystal structure determination,
vi) references.
Printed reprints
will not be distributed for Crystallographic Reports,
however, the corresponding author will be supplied with a pdf version of the
published paper. In the near future, the same policy will be adopted for all
papers published in Main Group Metal Chemistry.
[1] Copies of data deposited at the CCDC may be obtained free of
charge from The Director, CCDC,