1
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Vanlommel S, Borgmans S, Chandran CV, Radhakrishnan S, Van Der Voort P, Breynaert E, Van Speybroeck V. Computational Protocol for the Spectral Assignment of NMR Resonances in Covalent Organic Frameworks. J Chem Theory Comput 2024; 20:3823-3838. [PMID: 38650071 DOI: 10.1021/acs.jctc.3c01414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Solid-state nuclear magnetic resonance spectroscopy is routinely used in the field of covalent organic frameworks to elucidate or confirm the structure of the synthesized samples and to understand dynamic phenomena. Typically this involves the interpretation and simulation of the spectra through the assumption of symmetry elements of the building units, hinging on the correct assignment of each line shape. To avoid misinterpretation resulting from library-based assignment without a theoretical basis incorporating the impact of the framework, this work proposes a first-principles computational protocol for the assignment of experimental spectra, which exploits the symmetry of the underlying building blocks for computational feasibility. In this way, this protocol accommodates the validation of previous experimental assignments and can serve to complement new NMR measurements.
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Affiliation(s)
- Siebe Vanlommel
- Center for Molecular Modeling, Ghent University, Technologiepark 46, 9052 Ghent, Belgium
| | - Sander Borgmans
- Center for Molecular Modeling, Ghent University, Technologiepark 46, 9052 Ghent, Belgium
| | - C Vinod Chandran
- NMRCoRe, NMR/X-Ray Platform for Convergence Research, Celestijnenlaan 200F, Box 2461, B-3001 Leuven, Belgium
| | - Sambhu Radhakrishnan
- NMRCoRe, NMR/X-Ray Platform for Convergence Research, Celestijnenlaan 200F, Box 2461, B-3001 Leuven, Belgium
| | - Pascal Van Der Voort
- Department of Chemistry, Ghent University, Krijgslaan 281 (S3), 9000 Ghent, Belgium
| | - Eric Breynaert
- NMRCoRe, NMR/X-Ray Platform for Convergence Research, Celestijnenlaan 200F, Box 2461, B-3001 Leuven, Belgium
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2
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Ward JS, Sievänen EI, Rissanen K. Solid-state NMR Spectroscopy of Iodine(I) Complexes. Chem Asian J 2023; 18:e202201203. [PMID: 36734201 DOI: 10.1002/asia.202201203] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/26/2023] [Accepted: 01/27/2023] [Indexed: 02/04/2023]
Abstract
Solid-state NMR has been applied to a series of Barluenga-type iodine(I) [L-I-L]PF6 (L=pyridine, 4-ethylpyridine, 4-dimethylaminopyridine, isoquinoline) complexes as their hexafluorophosphate salts, as well as their respective non-liquid ligands (L), their precursor silver(I) complexes, and the respective N-methylated pyridinium and quinolinium hexafluorophoshate salts. These results are compared and contrasted to the corresponding solution studies and single-crystal X-ray structures. As the first study of its kind on the solid-state NMR behavior of halogen(I) complexes, practical considerations are also discussed to encourage wider utilization of this technique in the future.
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Affiliation(s)
- Jas S Ward
- University of Jyvaskyla, Department of Chemistry, Jyväskylä, 40014, Finland
| | - Elina I Sievänen
- University of Jyvaskyla, Department of Chemistry, Jyväskylä, 40014, Finland
| | - Kari Rissanen
- University of Jyvaskyla, Department of Chemistry, Jyväskylä, 40014, Finland
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3
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Cui J, Prisk TR, Olmsted DL, Su V, Asta M, Hayes SE. Resolving the Chemical Formula of Nesquehonite via NMR Crystallography, DFT Computation, and Complementary Neutron Diffraction. Chemistry 2023; 29:e202203052. [PMID: 36411247 DOI: 10.1002/chem.202203052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/16/2022] [Accepted: 11/16/2022] [Indexed: 11/23/2022]
Abstract
Nesquehonite is a magnesium carbonate mineral relevant to carbon sequestration envisioned for carbon capture and storage of CO2 . Its chemical formula remains controversial today, assigned as either a hydrated magnesium carbonate [MgCO3 ⋅ 3H2 O], or a hydroxy- hydrated- magnesium bicarbonate [Mg(HCO3 )OH ⋅ 2H2 O]. The resolution of this controversy is central to understanding this material's thermodynamic, phase, and chemical behavior. In an NMR crystallography study, using rotational-echo double-resonance 13 C{1 H} (REDOR), 13 C-1 H distances are determined with precision, and the combination of 13 C static NMR lineshapes and density functional theory (DFT) calculations are used to model different H atomic coordinates. [MgCO3 ⋅ 3H2 O] is found to be accurate, and evidence from neutron powder diffraction bolsters these assignments. Refined H positions can help understand how H-bonding stabilizes this structure against dehydration to MgCO3 . More broadly, these results illustrate the power of NMR crystallography as a technique for resolving questions where X-ray diffraction is inconclusive.
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Affiliation(s)
- Jinlei Cui
- Department of Chemistry, Washington University in St. Louis, 1 Brookings Drive, Campus Box 1134, St. Louis Missouri, 63130, United States
| | - Timothy R Prisk
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, 91125, United States
| | - David L Olmsted
- Department of Materials Science and Engineering, University of California, Berkeley, Berkeley, CA, 94720, United States
| | - Vicky Su
- Department of Chemistry, Washington University in St. Louis, 1 Brookings Drive, Campus Box 1134, St. Louis Missouri, 63130, United States
| | - Mark Asta
- Department of Materials Science and Engineering, University of California, Berkeley, Berkeley, CA, 94720, United States
| | - Sophia E Hayes
- Department of Chemistry, Washington University in St. Louis, 1 Brookings Drive, Campus Box 1134, St. Louis Missouri, 63130, United States
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4
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Sun Z, Lin B, Yang X, Zhao B, Zhang H, Dong Q, Zhong L, Zhang S, Zhang M, Xu X, Dong H, Li H, Li L, Nie L, Zang H. Review of the Application of Raman Spectroscopy in Qualitative and Quantitative Analysis of Drug Polymorphism. Curr Top Med Chem 2023; 23:1340-1351. [PMID: 36567287 DOI: 10.2174/1568026623666221223113342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 11/07/2022] [Accepted: 11/16/2022] [Indexed: 12/27/2022]
Abstract
Drug polymorphism is an important factor affecting the drugs quality and clinical efficacy. Therefore, great attention should be paid to the crystal analysis of drugs with their researching and evaluating part. With the booming development of Raman spectroscopy in recent years, more and more crystal analysis investigations were based on vibrational spectroscopy. This review mainly discussed the qualitative and quantitative analysis of active pharmaceutical ingredients (API) and pharmaceutical preparation with Raman spectroscopy. On basis of the determination of the vibration mode of drug molecules and the analysis of their chemical structure, this method had the advantages of universal, non-destructive, fast determination, low samples and cost, etc. This review provides theoretical and technical support for crystal structure, which are worth popularizing. It is expected that it will be helpful to relevant government management institutions, pharmaceutical scientific research institutions and pharmaceutical manufacturers.
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Affiliation(s)
- Zhongyu Sun
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Boran Lin
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Xiangchun Yang
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Bing Zhao
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Hui Zhang
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Qin Dong
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Liang Zhong
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Shuaihua Zhang
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Mengqi Zhang
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Xiuhua Xu
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Hailing Dong
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Haoyuan Li
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Lian Li
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
- Key Laboratory of Chemical Biology (Ministry of Education), Shandong University, Jinan, 250012, Shandong, China
| | - Lei Nie
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Hengchang Zang
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
- Key Laboratory of Chemical Biology (Ministry of Education), Shandong University, Jinan, 250012, Shandong, China
- National Glycoengineering Research Center, Shandong University, Jinan, 250012, Shandong, China
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5
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Zheng DN, Szell PMJ, Khiri S, Ovens JS, Bryce DL. Solid-state multinuclear magnetic resonance and X-ray crystallographic investigation of the phosphorus...iodine halogen bond in a bis(dicyclohexylphenylphosphine)(1,6-diiodoperfluorohexane) cocrystal. ACTA CRYSTALLOGRAPHICA SECTION B, STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS 2022; 78:557-563. [PMID: 35702972 DOI: 10.1107/s2052520622004322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 04/22/2022] [Indexed: 06/15/2023]
Abstract
Halogen bonding to phosphorus atoms remains uncommon, with relatively few examples reported in the literature. Here, the preparation and investigation of the cocrystal bis(dicyclohexylphenylphosphine)(1,6-diiodoperfluorohexane) by X-ray crystallography and solid-state multinuclear magnetic resonance spectroscopy is described. The crystal structure features two crystallographically unique C-I...P halogen bonds [dI...P = 3.090 (5) Å, 3.264 (5) Å] and crystallographic disorder of one of the 1,6-diiodoperfluorohexane molecules. The first of these is the shortest and most linear I...P halogen bond reported to date. 13C, 19F, and 31P magic angle spinning solid-state NMR spectra are reported. A 31P chemical shift change of -7.0 p.p.m. in the cocrystal relative to pure dicyclohexylphenylphosphine, consistent with halogen bond formation, is noted. This work establishes iodoperfluoroalkanes as viable halogen bond donors when paired with phosphorus acceptors, and also shows that dicyclohexylphenylphosphine can act as a practical halogen bond acceptor.
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Affiliation(s)
- Dan Ni Zheng
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie Curie Private, Ottawa, Ontario K1N 6N5, Canada
| | - Patrick M J Szell
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie Curie Private, Ottawa, Ontario K1N 6N5, Canada
| | - Safaa Khiri
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie Curie Private, Ottawa, Ontario K1N 6N5, Canada
| | - Jeffrey S Ovens
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie Curie Private, Ottawa, Ontario K1N 6N5, Canada
| | - David L Bryce
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie Curie Private, Ottawa, Ontario K1N 6N5, Canada
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6
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Vojvodin CS, Holmes ST, Watanabe LK, Rawson JM, Schurko R. Multi-Component Crystals Containing Urea: Mechanochemical Synthesis and Characterization by 35Cl Solid-State NMR Spectroscopy and DFT Calculations. CrystEngComm 2022. [DOI: 10.1039/d1ce01610e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mechanochemical synthesis provides new pathways for the rational design of multi-component crystals (MCCs) involving anionic or cationic components, which offer molecular-level architectures unavailable to MCCs comprised of strictly neutral components....
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7
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Hughes AR, Blanc F. Recent advances in probing host–guest interactions with solid state nuclear magnetic resonance. CrystEngComm 2021. [DOI: 10.1039/d1ce00168j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A recent update on how solid state NMR has aided the interpretation and understanding of host–guest interactions in the field of supramolecular assemblies is provided.
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Affiliation(s)
| | - Frédéric Blanc
- Department of Chemistry
- University of Liverpool
- Liverpool
- UK
- Stephenson Institute for Renewable Energy
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8
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Bordignon S, Cerreia Vioglio P, Amadio E, Rossi F, Priola E, Voinovich D, Gobetto R, Chierotti MR. Molecular Crystal Forms of Antitubercular Ethionamide with Dicarboxylic Acids: Solid-State Properties and a Combined Structural and Spectroscopic Study. Pharmaceutics 2020; 12:E818. [PMID: 32872201 PMCID: PMC7559828 DOI: 10.3390/pharmaceutics12090818] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/24/2020] [Accepted: 08/26/2020] [Indexed: 11/29/2022] Open
Abstract
We report on the preparation, characterization, and bioavailability properties of three new crystal forms of ethionamide, an antitubercular agent used in the treatment of drug-resistant tuberculosis. The new adducts were obtained by combining the active pharmaceutical ingredient with three dicarboxylic acids, namely glutaric, malonic and tartaric acid, in equimolar ratios. Crystal structures were obtained for all three adducts and were compared with two previously reported multicomponent systems of ethionamide with maleic and fumaric acid. The ethionamide-glutaric acid and the ethionamide-malonic acid adducts were thoroughly characterized by means of solid-state NMR (13C and 15N Cross-Polarization Magic Angle Spinning or CPMAS) to confirm the position of the carboxylic proton, and they were found to be a cocrystal and a salt, respectively; they were compared with two previously reported multicomponent systems of ethionamide with maleic and fumaric acid. Ethionamide-tartaric acid was found to be a rare example of kryptoracemic cocrystal. In vitro bioavailability enhancements up to a factor 3 compared to pure ethionamide were assessed for all obtained adducts.
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Affiliation(s)
- Simone Bordignon
- Department of Chemistry and NIS Centre, University of Torino, V. Giuria 7, 10125 Torino, Italy; (S.B.); (P.C.V.); (E.A.); (F.R.); (E.P.)
| | - Paolo Cerreia Vioglio
- Department of Chemistry and NIS Centre, University of Torino, V. Giuria 7, 10125 Torino, Italy; (S.B.); (P.C.V.); (E.A.); (F.R.); (E.P.)
| | - Elena Amadio
- Department of Chemistry and NIS Centre, University of Torino, V. Giuria 7, 10125 Torino, Italy; (S.B.); (P.C.V.); (E.A.); (F.R.); (E.P.)
| | - Federica Rossi
- Department of Chemistry and NIS Centre, University of Torino, V. Giuria 7, 10125 Torino, Italy; (S.B.); (P.C.V.); (E.A.); (F.R.); (E.P.)
| | - Emanuele Priola
- Department of Chemistry and NIS Centre, University of Torino, V. Giuria 7, 10125 Torino, Italy; (S.B.); (P.C.V.); (E.A.); (F.R.); (E.P.)
| | - Dario Voinovich
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, P.le Europa 1/via L. Giorgieri 1, 34127 Trieste, Italy;
| | - Roberto Gobetto
- Department of Chemistry and NIS Centre, University of Torino, V. Giuria 7, 10125 Torino, Italy; (S.B.); (P.C.V.); (E.A.); (F.R.); (E.P.)
| | - Michele R. Chierotti
- Department of Chemistry and NIS Centre, University of Torino, V. Giuria 7, 10125 Torino, Italy; (S.B.); (P.C.V.); (E.A.); (F.R.); (E.P.)
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9
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Xu Y, Szell PM, Kumar V, Bryce DL. Solid-state NMR spectroscopy for the analysis of element-based non-covalent interactions. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213237] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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10
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Oliveira JPC, Rivelino R. Close Relationships between NMR J-Coupling Alternation (JCA) and Molecular Properties of Carbon Chains. J Chem Theory Comput 2019; 15:1605-1615. [PMID: 30730735 DOI: 10.1021/acs.jctc.8b01141] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We propose a J-coupling alternation (JCA) value that is demonstrated to be a suitable parameter to evaluate the nuclear magnetic resonance (NMR) indirect spin-spin coupling constants (SSCCs) as a function of molecular properties of chains by increasing their length. As an application, we report a theoretical study of the SSCCs for the interactions between neighbor nuclei in increasingly patterned carbon chains within density functional theory. First, we examine the J-coupling constants between 1H and 13C nuclei ( n JHC) considering the separation distance, as well as between two adjacent 13C nuclei (1 JCC) considering their relative positions in polyynes and cumulenes. Further, we define and determine JCA in terms of the differences of 1 JCC, which is investigated as a function of several molecular properties, e.g., cohesive energy, characteristic vibrational frequency, average polarizability, and energy gap of the systems. We also determine JCA for other types of carbon chains, such as diphenyl-capped polyynes, polyacetylene and polythiophene. The behavior of JCA as a function of the energy gap may be related to highly π-conjugated low-band-gap carbon chains. Overall, JCA correlates very well with the electronic properties of these chains, especially with their energy gap, exhibiting positive values for pristine polyyne and polythiophene and negative values for pristine cumulene and plyacetylene. These findings indicate an alternative way to establish an appropriate SSCC descriptor that characterizes the electronic nature of the system, such as the proposed JCA value averaging the whole system, instead of using only the individual J-coupling values to give insights into the properties of large and extended systems.
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Affiliation(s)
- João P C Oliveira
- Instituto de Física , Universidade Federal da Bahia , 40210-340 Salvador , Bahia , Brazil.,Centro de Ciência e Tecnologia em Energia e Sustentabilidade , Universidade Federal do Recôncavo da Bahia , 44085-132 Feira de Santana , Bahia , Brazil
| | - Roberto Rivelino
- Instituto de Física , Universidade Federal da Bahia , 40210-340 Salvador , Bahia , Brazil
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11
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Cui J, Olmsted DL, Mehta AK, Asta M, Hayes SE. NMR Crystallography: Evaluation of Hydrogen Positions in Hydromagnesite by
13
C{
1
H} REDOR Solid‐State NMR and Density Functional Theory Calculation of Chemical Shielding Tensors. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813306] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jinlei Cui
- Department of Chemistry Washington University in St. Louis 1 Brookings Drive, Campus Box 1134 St. Louis MO 63130 USA
| | - David L. Olmsted
- Department of Materials Science and Engineering University of California, Berkeley Berkeley CA USA
| | - Anil K. Mehta
- Department of Chemistry Emory University Atlanta GA USA
| | - Mark Asta
- Department of Materials Science and Engineering University of California, Berkeley Berkeley CA USA
- Materials Science Division Lawrence Berkeley National Laboratory Berkeley CA USA
| | - Sophia E. Hayes
- Department of Chemistry Washington University in St. Louis 1 Brookings Drive, Campus Box 1134 St. Louis MO 63130 USA
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12
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Cui J, Olmsted DL, Mehta AK, Asta M, Hayes SE. NMR Crystallography: Evaluation of Hydrogen Positions in Hydromagnesite by 13 C{ 1 H} REDOR Solid-State NMR and Density Functional Theory Calculation of Chemical Shielding Tensors. Angew Chem Int Ed Engl 2019; 58:4210-4216. [PMID: 30672073 DOI: 10.1002/anie.201813306] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 01/08/2019] [Indexed: 12/24/2022]
Abstract
Solid-state NMR measurements coupled with density functional theory (DFT) calculations demonstrate how hydrogen positions can be refined in a crystalline system. The precision afforded by rotational-echo double-resonance (REDOR) NMR to interrogate 13 C-1 H distances is exploited along with DFT determinations of the 13 C tensor of carbonates (CO3 2- ). Nearby 1 H nuclei perturb the axial symmetry of the carbonate sites in the hydrated carbonate mineral, hydromagnesite [4 MgCO3 ⋅Mg(OH)2 ⋅4 H2 O]. A match between the calculated structure and solid-state NMR was found by testing multiple semi-local and dispersion-corrected DFT functionals and applying them to optimize atom positions, starting from X-ray diffraction (XRD)-determined atomic coordinates. This was validated by comparing calculated to experimental 13 C{1 H} REDOR and 13 C chemical shift anisotropy (CSA) tensor values. The results show that the combination of solid-state NMR, XRD, and DFT can improve structure refinement for hydrated materials.
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Affiliation(s)
- Jinlei Cui
- Department of Chemistry, Washington University in St. Louis, 1 Brookings Drive, Campus Box 1134, St. Louis, MO, 63130, USA
| | - David L Olmsted
- Department of Materials Science and Engineering, University of California, Berkeley, Berkeley, CA, USA
| | - Anil K Mehta
- Department of Chemistry, Emory University, Atlanta, GA, USA
| | - Mark Asta
- Department of Materials Science and Engineering, University of California, Berkeley, Berkeley, CA, USA.,Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Sophia E Hayes
- Department of Chemistry, Washington University in St. Louis, 1 Brookings Drive, Campus Box 1134, St. Louis, MO, 63130, USA
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13
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Peng B, Zhang Z, Wang JR, Li M, Zhang Q, Mei X. Confocal Raman micro-spectral evidence and physicochemical evaluation of triamterene salts. Analyst 2019; 144:530-535. [PMID: 30406224 DOI: 10.1039/c8an01579a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Discrimination of active pharmaceutical ingredients (APIs) existing as neutral molecules or salts is essential and complicated. However, the discrimination of pharmaceutical salts by confocal Raman micro-spectroscopy remains relatively poorly understood. In this paper, four new salts of triamterene (Tri) cocrystallized with nicotinic acid (NA), benzoic acid (BA), p-toluenesulfonic acid (TA), or isonicotinic acid (INA) were prepared and characterized comprehensively by powder X-ray diffraction (PXRD), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), polarized light microscopy (PLM), and dynamic vapor sorption (DVS). Ionized pteridine is identified by marker peaks in the confocal Raman micro-spectra that are characteristic of C[double bond, length as m-dash]N. The single crystal structures of Tri-NA·H2O and Tri-TA further demonstrate that a proton transfers from the carboxylic group of NA or TA to the pyrimidine N1 atom of Tri and their salts formation take place. The intrinsic dissolution rate (IDR) and apparent equilibrium solubility of these four salts are improved compared to the pure Tri component, especially for Tri-BA. This study provides a valuable insight into pharmaceutical salt discrimination by vibrational spectroscopy and presents that the combination of Tri with an acid can be a possible and promising alternative formulation of Tri.
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Affiliation(s)
- Bo Peng
- Pharmaceutical Analytical & Solid-State Chemistry Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P. R. China.
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14
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Nilsson Lill SO, Widdifield CM, Pettersen A, Svensk Ankarberg A, Lindkvist M, Aldred P, Gracin S, Shankland N, Shankland K, Schantz S, Emsley L. Elucidating an Amorphous Form Stabilization Mechanism for Tenapanor Hydrochloride: Crystal Structure Analysis Using X-ray Diffraction, NMR Crystallography, and Molecular Modeling. Mol Pharm 2018; 15:1476-1487. [PMID: 29490140 DOI: 10.1021/acs.molpharmaceut.7b01047] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
By the combined use of powder and single-crystal X-ray diffraction, solid-state NMR, and molecular modeling, the crystal structures of two systems containing the unusually large tenapanor drug molecule have been determined: the free form, ANHY, and a dihydrochloride salt form, 2HCl. Dynamic nuclear polarization (DNP) assisted solid-state NMR (SSNMR) crystallography investigations were found essential for the final assignment and were used to validate the crystal structure of ANHY. From a structural informatics analysis of ANHY and 2HCl, conformational ring differences in one part of the molecule were observed which influence the relative orientation of a methyl group on a ring nitrogen and thereby impact the crystallizability of the dihydrochloride salt. From quantum chemistry calculations, the dynamics between different ring conformations in tenapanor is predicted to be fast. Addition of HCl to tenapanor results in general in a mixture of protonated ring conformers and hence a statistical mix of diastereoisomers which builds up the amorphous form, a-2HCl. This was qualitatively verified by 13C CP/MAS NMR investigations of the amorphous form. Thus, to form any significant amount of the crystalline material 2HCl, which originates from the minor (i.e., energetically less stable) ring conformations, one needs to involve nitrogen deprotonation to allow exchange between the minor and major conformations of ANHY in solution. Thus, by controlling the solution pH value to well below the p Ka of ANHY, the equilibrium between ANHY and 2HCl can be controlled and by this mechanism the crystallization of 2HCl can be avoided and the amorphous form of the dichloride salt can therefore be stabilized.
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Affiliation(s)
- Sten O Nilsson Lill
- Early Product Development, Pharmaceutical Sciences, IMED Biotech Unit , AstraZeneca Gothenburg , SE-431 83 , Mölndal , Sweden
| | - Cory M Widdifield
- Institut des Sciences Analytiques (CNRS/ENS de Lyon/UCB Lyon 1), Centre de RMN à Très Hauts Champs , Université de Lyon , 69100 Villeurbanne , France
| | - Anna Pettersen
- Early Product Development, Pharmaceutical Sciences, IMED Biotech Unit , AstraZeneca Gothenburg , SE-431 83 , Mölndal , Sweden
| | - Anna Svensk Ankarberg
- Pharmaceutical Technology & Development , AstraZeneca Gothenburg , SE-431 83 , Mölndal , Sweden
| | - Maria Lindkvist
- Pharmaceutical Technology & Development , AstraZeneca Gothenburg , SE-431 83 , Mölndal , Sweden
| | - Peter Aldred
- Pharmaceutical Technology & Development , AstraZeneca Gothenburg , SE-431 83 , Mölndal , Sweden
| | - Sandra Gracin
- Pharmaceutical Technology & Development , AstraZeneca Gothenburg , SE-431 83 , Mölndal , Sweden
| | - Norman Shankland
- CrystallografX Ltd , 2 Stewart Street , Milngavie, Glasgow G62 6BW , United Kingdom
| | - Kenneth Shankland
- CrystallografX Ltd , 2 Stewart Street , Milngavie, Glasgow G62 6BW , United Kingdom.,School of Pharmacy , University of Reading , Whiteknights, P.O. Box 224, Reading , RG6 6AD , United Kingdom
| | - Staffan Schantz
- Pharmaceutical Technology & Development , AstraZeneca Gothenburg , SE-431 83 , Mölndal , Sweden
| | - Lyndon Emsley
- Institut des Sciences Ingénierie Chimiques , Ecole Polytechnique Fédérale de Lausanne (EPFL) , CH-1015 Lausanne , Switzerland
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15
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Faizan M, Alam MJ, Afroz Z, Rodrigues VHN, Ahmad S. Growth, structure, Hirshfeld surface and spectroscopic properties of 2-amino-4-hydroxy-6-methylpyrimidinium-2,3-pyrazinedicorboxylate single crystal. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.11.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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16
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Abstract
Rotational motion within molecular crystals is a prototypical concept to build future functional materials and solid-state molecular machines.
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Affiliation(s)
- Luca Catalano
- New York University Abu Dhabi
- Abu Dhabi
- United Arab Emirates
| | - Panče Naumov
- New York University Abu Dhabi
- Abu Dhabi
- United Arab Emirates
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17
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Kobera L, Rohlicek J, Czernek J, Abbrent S, Streckova M, Sopcak T, Brus J. Unexpected Crystallization Patterns of Zinc Boron Imidazolate Framework ZBIF-1: NMR Crystallography of Integrated Metal-Organic Frameworks. Chemphyschem 2017; 18:3576-3582. [DOI: 10.1002/cphc.201701063] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Indexed: 01/07/2023]
Affiliation(s)
- Libor Kobera
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences; Heyrovskeho nam. 2 162 06 Prague 6 Czech Republic
| | - Jan Rohlicek
- Department of Structural Analysis; Institute of Physics of the Czech Academy of Sciences; Na Slovance 2 Praha 8 182 21 Czech Republic
| | - Jiri Czernek
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences; Heyrovskeho nam. 2 162 06 Prague 6 Czech Republic
| | - Sabina Abbrent
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences; Heyrovskeho nam. 2 162 06 Prague 6 Czech Republic
| | - Magdalena Streckova
- Institute of Materials Research of the Slovak Academy of Sciences; Watsonova 47 040 01 Košice Slovak Republic
| | - Tibor Sopcak
- Institute of Materials Research of the Slovak Academy of Sciences; Watsonova 47 040 01 Košice Slovak Republic
| | - Jiri Brus
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences; Heyrovskeho nam. 2 162 06 Prague 6 Czech Republic
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18
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Szeleszczuk Ł, Gubica T, Zimniak A, Pisklak DM, Dąbrowska K, Cyrański MK, Kańska M. The potential for the indirect crystal structure verification of methyl glycosides based on acetates’ parent structures: GIPAW and solid-state NMR approaches. Chem Phys Lett 2017. [DOI: 10.1016/j.cplett.2017.08.028] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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19
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20
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Bryce DL. NMR crystallography: structure and properties of materials from solid-state nuclear magnetic resonance observables. IUCRJ 2017; 4:350-359. [PMID: 28875022 PMCID: PMC5571798 DOI: 10.1107/s2052252517006042] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 04/21/2017] [Indexed: 05/20/2023]
Abstract
This topical review provides a brief overview of recent developments in NMR crystallography and related NMR approaches to studying the properties of molecular and ionic solids. Areas of complementarity with diffraction-based methods are underscored. These include the study of disordered systems, of dynamic systems, and other selected examples where NMR can provide unique insights. Highlights from the literature as well as recent work from my own group are discussed.
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Affiliation(s)
- David L. Bryce
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation, University of Ottawa, 10 Marie Curie Private, Ottawa, Ontario K1N 6N5, Canada
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21
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Iwata K, Karashima M, Ikeda Y. Isotope-Edited Infrared Spectroscopy for Efficient Discrimination between Pharmaceutical Salts and Cocrystals. Mol Pharm 2017; 14:2350-2358. [DOI: 10.1021/acs.molpharmaceut.7b00226] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kentaro Iwata
- Analytical Development, Pharmaceutical
Sciences, Takeda Pharmaceutical Company Limited, 2-26-1, Muraoka-Higashi, Fujisawa, Kanagawa 251-8555, Japan
| | - Masatoshi Karashima
- Analytical Development, Pharmaceutical
Sciences, Takeda Pharmaceutical Company Limited, 2-26-1, Muraoka-Higashi, Fujisawa, Kanagawa 251-8555, Japan
| | - Yukihiro Ikeda
- Analytical Development, Pharmaceutical
Sciences, Takeda Pharmaceutical Company Limited, 2-26-1, Muraoka-Higashi, Fujisawa, Kanagawa 251-8555, Japan
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22
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Ho TM, Truong T, Bhandari BR. Methods to characterize the structure of food powders – a review. Biosci Biotechnol Biochem 2017; 81:651-671. [PMID: 28077060 DOI: 10.1080/09168451.2016.1274643] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Abstract
Food powders can exist in amorphous, crystalline or mixed structure depending on the order of molecular arrangement in the powder particle matrices. In food production, the structure of powders has a greatly effect on their stability, functionality, and applicability. The undesirable structure of powders can be accidentally formed during production. Therefore, characterization of powder structure as well as quantification of amorphous–crystalline proportions presenting in the powders are essential to control the quality of products during storage and further processing. For these purposes, many analytical techniques with large differences in the degree of selectivity and sensitivity have been developed. In this review, differences in the structure of food powders are described with a focus being placed on applications of amorphous powders. Essentially, applicability of common analytical techniques including X-ray, microscopic, vapor adsorption, thermal, and spectroscopic approaches for quantitative and qualitative structural characterization of food powders is also discussed.
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Affiliation(s)
- Thao M Ho
- School of Agriculture and Food Sciences, The University of Queensland, Brisbane, Australia
| | - Tuyen Truong
- School of Agriculture and Food Sciences, The University of Queensland, Brisbane, Australia
| | - Bhesh R Bhandari
- School of Agriculture and Food Sciences, The University of Queensland, Brisbane, Australia
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23
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Szell PMJ, Gabriel SA, Gill RDD, Wan SYH, Gabidullin B, Bryce DL. 13C and 19F solid-state NMR and X-ray crystallographic study of halogen-bonded frameworks featuring nitrogen-containing heterocycles. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2017; 73:157-167. [PMID: 28257009 DOI: 10.1107/s2053229616015023] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 09/22/2016] [Indexed: 11/10/2022]
Abstract
Halogen bonding is a noncovalent interaction between the electrophilic region of a halogen (σ-hole) and an electron donor. We report a crystallographic and structural analysis of halogen-bonded compounds by applying a combined X-ray diffraction (XRD) and solid-state nuclear magnetic resonance (SSNMR) approach. Single-crystal XRD was first used to characterize the halogen-bonded cocrystals formed between two fluorinated halogen-bond donors (1,4-diiodotetrafluorobenzene and 1,3,5-trifluoro-2,4,6-triiodobenzene) and several nitrogen-containing heterocycles (acridine, 1,10-phenanthroline, 2,3,5,6-tetramethylpyrazine, and hexamethylenetetramine). New structures are reported for the following three cocrystals, all in the P21/c space group: acridine-1,3,5-trifluoro-2,4,6-triiodobenzene (1/1), C6F3I3·C13H9N, 1,10-phenanthroline-1,3,5-trifluoro-2,4,6-triiodobenzene (1/1), C6F3I3·C12H8N2, and 2,3,5,6-tetramethylpyrazine-1,3,5-trifluoro-2,4,6-triiodobenzene (1/1), C6F3I3·C8H12N2. 13C and 19F solid-state magic-angle spinning (MAS) NMR is shown to be a convenient method to characterize the structural features of the halogen-bond donor and acceptor, with chemical shifts attributable to cocrystal formation observed in the spectra of both nuclides. Cross polarization (CP) from 19F to 13C results in improved spectral sensitivity in characterizing the perfluorinated halogen-bond donor when compared to conventional 1H CP. Gauge-including projector-augmented wave density functional theory (GIPAW DFT) calculations of magnetic shielding constants, along with optimization of the XRD structures, provide a final set of structures in best agreement with the experimental 13C and 19F chemical shifts. Data for carbons bonded to iodine remain outliers due to well-known relativistic effects.
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Affiliation(s)
- Patrick M J Szell
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, Ontario, K1N 6N5, Canada
| | - Shaina A Gabriel
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, Ontario, K1N 6N5, Canada
| | - Russell D D Gill
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, Ontario, K1N 6N5, Canada
| | - Shirley Y H Wan
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, Ontario, K1N 6N5, Canada
| | - Bulat Gabidullin
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, Ontario, K1N 6N5, Canada
| | - David L Bryce
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, Ontario, K1N 6N5, Canada
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24
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Xu Y, Champion L, Gabidullin B, Bryce DL. A kinetic study of mechanochemical halogen bond formation by in situ31P solid-state NMR spectroscopy. Chem Commun (Camb) 2017; 53:9930-9933. [DOI: 10.1039/c7cc05051h] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
In situ
31P solid-state NMR studies of mechanochemical halogen bond formation provide insights into the cocrystallisation process and an estimate of the activation energy.
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Affiliation(s)
- Yijue Xu
- Department of Chemistry and Biomolecular Sciences
- University of Ottawa
- Ottawa
- Canada
| | - Lysiane Champion
- Department of Chemistry and Biomolecular Sciences
- University of Ottawa
- Ottawa
- Canada
- Université de Poitiers
| | - Bulat Gabidullin
- Department of Chemistry and Biomolecular Sciences
- University of Ottawa
- Ottawa
- Canada
| | - David L. Bryce
- Department of Chemistry and Biomolecular Sciences
- University of Ottawa
- Ottawa
- Canada
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