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Title: Tuning charge-assisted and weak hydrogen bonds in molecular complexes of the proton sponge DMAN by acid co-former substitution

Journal Article · · CrystEngComm
DOI:https://doi.org/10.1039/C8CE00443A· OSTI ID:1437501

Nine new molecular complexes of the proton sponge 1,8-bis(dimethylamino)naphthalene (DMAN) with substituted benzoic acid co-formers have been engineered with varying component stoichiometries (1:1, 1:2 or 1:3). These complexes are all ionic in nature, following proton transfer between the acid co-former and DMAN; the extracted proton is held by DMAN in all instances in an intramolecular [N-H…N]+ hydrogen bond. A number of structural features are common to all complexes and are found to be tunable in a predictable way using systematic acid co-former substitution. These features include charge-assisted hydrogen bonds formed between acid co-formers in hydrogen bonding motifs consistent with complex stoichiometry, and weak hydrogen bonds which facilitate the crystal packing of DMAN and acid co-former components into a regular motif. Possible crystal structure tuning by co-former substitution can aid the rational design of such materials, offering the potential to target solid-state properties that may be influenced by these interactions.Varying the electronic character of the acid co-former substituent group predictably alters weak and strong intermolecular interactions.

Research Organization:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1437501
Alternate ID(s):
OSTI ID: 1465424
Journal Information:
CrystEngComm, Journal Name: CrystEngComm Vol. 20 Journal Issue: 22; ISSN 1466-8033
Publisher:
Royal Society of Chemistry (RSC)Copyright Statement
Country of Publication:
United Kingdom
Language:
English
Citation Metrics:
Cited by: 4 works
Citation information provided by
Web of Science

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Cited By (30)

CCDC 1831638: Experimental Crystal Structure Determination: LIGSUS : 8-(dimethylamino)-N,N-dimethylnaphthalen-1-aminium 4-hydroxybenzoate 4-hydroxybenzoic acid dataset March 2018
CCDC 1831639: Experimental Crystal Structure Determination: LIGTAZ : 8-(dimethylamino)-N,N-dimethylnaphthalen-1-aminium 3-aminobenzoate 3-aminobenzoic acid Space Group: P 21/c (14), Cell: a 9.8631(4)Å b 21.3774(9)Å c 12.5572(5)Å, α 90° β 110.968(2)° γ 90° dataset March 2018
CCDC 1831640: Experimental Crystal Structure Determination: LIGTED : 8-(dimethylamino)-N,N-dimethylnaphthalen-1-aminium 2-cyanobenzoate bis(2-cyanobenzoic acid) dataset March 2018
CCDC 1831641: Experimental Crystal Structure Determination: LIGTIH : 8-(dimethylamino)-N,N-dimethylnaphthalen-1-aminium 2-nitrobenzoate Space Group: P 21/n (14), Cell: a 10.3320(4)Å b 18.3951(7)Å c 10.3744(4)Å, α 90° β 103.652(2)° γ 90° dataset March 2018
CCDC 1831642: Experimental Crystal Structure Determination: LIGTON : 8-(dimethylamino)-N,N-dimethylnaphthalen-1-aminium 3-carboxy-5-nitrobenzoate dataset March 2018
CCDC 1831643: Experimental Crystal Structure Determination: LIGTUT : 8-(dimethylamino)-N,N-dimethylnaphthalen-1-aminium 3-methoxybenzoate 3-methoxybenzoic acid dataset March 2018
CCDC 1831644: Experimental Crystal Structure Determination: LIGVAB : 8-(dimethylamino)-N,N-dimethylnaphthalen-1-aminium 4-aminobenzoate 4-aminobenzoic acid hydrate dataset March 2018
CCDC 1831645: Experimental Crystal Structure Determination dataset April 2018
CCDC 1831646: Experimental Crystal Structure Determination: LIGVEF : 8-(dimethylamino)-N,N-dimethylnaphthalen-1-aminium 4-nitrobenzoate bis(4-nitrobenzoic acid) Space Group: P 1 (2), Cell: a 14.6269(4)Å b 18.1672(5)Å c 20.9527(6)Å, α 93.416(2)° β 104.461(3)° γ 107.500(3)° dataset March 2018
Proton-Transfer-Dependent Reversible Phase Changes in the 4,4′-Bipyridinium Salt of Squaric Acid journal February 1994
Investigation of Steric Influences on Hydrogen-Bonding Motifs in Cyclic Ureas by Using X-Ray, Neutron, and Computational Methods journal August 2013
Role of C?H���O hydrogen bonds in the ionic complexes of 1,8-bis(dimethylamino)naphthalene journal January 2003
Complexes of the “proton sponge” 1,8-bis(dimethylamino)naphthalene (DMAN) journal August 1992
Proton sponges journal December 1994
The specificity of the [NHN]+ hydrogen bonds in protonated naphthalene proton sponges journal May 2010
Novel arylated chloro- and methoxy-1,3-dibutadienes: Influence of substituents on molecular conformation and crystal packing journal June 2014
Role of Crystal Packing and Weak Intermolecular Interactions in the Solid State Fluorescence of N -Methylpyrazoline Derivatives journal June 2015
Engineering Short, Strong, Charge-Assisted Hydrogen Bonds in Benzoic Acid Dimers through Cocrystallization with Proton Sponge journal March 2016
The Effect of Local Crystalline Environment on Hydrogen Atom Behavior in Molecular Complexes of a Proton Sponge journal March 2016
The Importance of Weak C−H···O Bonds and π···π Stacking Interactions in the Formation of Organic 1,8-Bis(dimethylamino)naphthalene Complexes with Z ‘ > 1 journal February 2006
Tuning Proton Disorder in 3,5-Dinitrobenzoic Acid Dimers: the Effect of Local Environment journal January 2013
Hydrogen bond-directed cocrystallization and molecular recognition properties of diarylureas journal November 1990
Symmetry of N−H−N Hydrogen Bonds in 1,8-Bis(dimethylamino)naphthalene·H + and 2,7-Dimethoxy-1,8-bis(dimethylamino)naphthalene·H + journal July 2001
From Weak Interactions to Covalent Bonds:  A Continuum in the Complexes of 1,8-Bis(dimethylamino)naphthalene journal April 2003
Charge Density Distribution in the “Proton Sponge” Compound 1,8-Bis(dimethylamino)naphthalene journal May 1999
Fine-Tuning of Crystal Packing and Charge Transport Properties of BDOPV Derivatives through Fluorine Substitution journal December 2015
Ab Initio Studies of Proton Sponges: 1,8-Bis(dimethylamino)naphthalene journal August 1994
Organic ferroelectrics journal May 2008
Proton transfer in the intramolecular NHN+ bonds in proton sponges with different hydrogen bridge flexibility journal January 2009
Temperature dependent solid-state proton migration in dimethylurea–oxalic acid complexes journal January 2012


Figures / Tables (10)