Recognizing New Types of Stacking Interactions by Analyzing Data in the Cambridge Structural Database

Cambridge Structural Database (CSD) is the largest repository of crystal data, containing over 1.2 million crystal structures of organic, metal–organic and organometallic compounds. It is a powerful research tool in many areas, including the extensive studying of noncovalent interactions. In this re...

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Main Authors: Dušan P. Malenov, Snežana D. Zarić
Format: Article
Language:English
Published: MDPI AG 2023-11-01
Series:Chemistry
Subjects:
Online Access:https://www.mdpi.com/2624-8549/5/4/164
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author Dušan P. Malenov
Snežana D. Zarić
author_facet Dušan P. Malenov
Snežana D. Zarić
author_sort Dušan P. Malenov
collection DOAJ
description Cambridge Structural Database (CSD) is the largest repository of crystal data, containing over 1.2 million crystal structures of organic, metal–organic and organometallic compounds. It is a powerful research tool in many areas, including the extensive studying of noncovalent interactions. In this review, we show how a thorough analysis of CSD crystal data resulted in recognition of novel types of stacking interactions. Even though stacking interactions were traditionally related to aromatic systems, a number of crystallographic studies have shown that nonaromatic metal–chelate rings, as well as hydrogen-bridged rings, can also form stacking interactions. Joined efforts of a CSD analysis and quantum chemical calculations showed that these new stacking interactions are stronger than stacking interactions of aromatic species and recognized them as very important attractive forces in numerous supramolecular systems.
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spelling doaj.art-c6403a29a56c4fcfa7e2db3f0eb81c232023-12-22T14:00:07ZengMDPI AGChemistry2624-85492023-11-01542513254110.3390/chemistry5040164Recognizing New Types of Stacking Interactions by Analyzing Data in the Cambridge Structural DatabaseDušan P. Malenov0Snežana D. Zarić1University of Belgrade—Faculty of Chemistry, Studentski trg 12–16, 11000 Belgrade, SerbiaUniversity of Belgrade—Faculty of Chemistry, Studentski trg 12–16, 11000 Belgrade, SerbiaCambridge Structural Database (CSD) is the largest repository of crystal data, containing over 1.2 million crystal structures of organic, metal–organic and organometallic compounds. It is a powerful research tool in many areas, including the extensive studying of noncovalent interactions. In this review, we show how a thorough analysis of CSD crystal data resulted in recognition of novel types of stacking interactions. Even though stacking interactions were traditionally related to aromatic systems, a number of crystallographic studies have shown that nonaromatic metal–chelate rings, as well as hydrogen-bridged rings, can also form stacking interactions. Joined efforts of a CSD analysis and quantum chemical calculations showed that these new stacking interactions are stronger than stacking interactions of aromatic species and recognized them as very important attractive forces in numerous supramolecular systems.https://www.mdpi.com/2624-8549/5/4/164noncovalent interactionsCambridge Structural Databasecrystal structuresstacking interactionscoordination compoundschelates
spellingShingle Dušan P. Malenov
Snežana D. Zarić
Recognizing New Types of Stacking Interactions by Analyzing Data in the Cambridge Structural Database
Chemistry
noncovalent interactions
Cambridge Structural Database
crystal structures
stacking interactions
coordination compounds
chelates
title Recognizing New Types of Stacking Interactions by Analyzing Data in the Cambridge Structural Database
title_full Recognizing New Types of Stacking Interactions by Analyzing Data in the Cambridge Structural Database
title_fullStr Recognizing New Types of Stacking Interactions by Analyzing Data in the Cambridge Structural Database
title_full_unstemmed Recognizing New Types of Stacking Interactions by Analyzing Data in the Cambridge Structural Database
title_short Recognizing New Types of Stacking Interactions by Analyzing Data in the Cambridge Structural Database
title_sort recognizing new types of stacking interactions by analyzing data in the cambridge structural database
topic noncovalent interactions
Cambridge Structural Database
crystal structures
stacking interactions
coordination compounds
chelates
url https://www.mdpi.com/2624-8549/5/4/164
work_keys_str_mv AT dusanpmalenov recognizingnewtypesofstackinginteractionsbyanalyzingdatainthecambridgestructuraldatabase
AT snezanadzaric recognizingnewtypesofstackinginteractionsbyanalyzingdatainthecambridgestructuraldatabase