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Alguacil A, Scalambra F, Romerosa A. Insights into the κ-P,N Coordination of 1,3,5-Triaza-7-phosphaadamantane and Derivatives: κ-P,N-Heterometallic Complexes and a 15N Nuclear Magnetic Resonance Survey. Inorg Chem 2022; 61:5779-5791. [PMID: 35378037 PMCID: PMC9019812 DOI: 10.1021/acs.inorgchem.1c03831] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
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Complexes {[(PTA)2CpRu-μ-CN-1κC:2κ2N-RuCp(PTA)2-ZnCl3]}·2DMSO (13) {[ZnCl2(H2O)]-(PTA-1κP:2κ2N)(PTA)CpRu-μ-CN-1κC:2κ2N-RuCp(PTA)(PTA-1κP:2κ2N)-[ZnCl2(H2O)]}Cl (14), [RuCp(HdmoPTA)(PPh3)(PTA)](CF3SO3)2 (20), [RuCp(HdmoPTA)(HPTA)(PPh3)](CF3SO3)3 (21), and [RuCp(dmoPTA)(PPh3)(PTA)](CF3SO3) (22) were obtained
and characterized, and their crystal structure together with that
of the previously published complex 18 is reported. The
behavior of the 1,3,5-triaza-7-phosphatricyclo[3.3.1.13,7]decane (PTA)
and 3,7-dimethyl-1,3,7-triaza-5-phosphabicyclo[3.3.1]nonane (dmoPTA)
ligands against protonation and κN-coordination
is discussed, on the basis of 15N nuclear magnetic resonance
data collected on 22 different compounds, including PTA (1), HdmoPTA (7H), and some common derivatives as free
ligands (2–6 and 8), along with mono-
and polymetallic complexes containing PTA and/or HdmoPTA (9–22). 15N detection via 1H–15N heteronuclear multiple bond correlation allowed the construction
of a small library of 15N chemical shifts that shed light
on important features regarding κN-coordination
in PTA and its derivatives. To shed light
on the behavior of the triazaphosphines 1,3,5-triaza-7-phosphatricyclo[3.3.1.13,7]decane
(PTA) and 3,7-dimethyl-1,3,7-triaza-5-phosphabicyclo[3.3.1]nonane
(dmoPTA) upon κN coordination and N protonation, the 15N chemical shifts of 22 compounds, including PTA and a representative
variety of its derivatives, piano-stool complexes, were collected
by 1H−15N heteronuclear multiple bond
correlation nuclear magnetic resonance. New heterometallic complexes
containing PTA were also synthesized and fully characterized.
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Affiliation(s)
- Andrés Alguacil
- Área de Química Inorgánica-CIESOL, Universidad de Almería, 04120 Almería, Spain
| | - Franco Scalambra
- Área de Química Inorgánica-CIESOL, Universidad de Almería, 04120 Almería, Spain
| | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL, Universidad de Almería, 04120 Almería, Spain
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Pacheco M, Alvarez N, Cuevas A, Romerosa A, Lloret F, Kremer C. Crystal structure and magnetic study of the complex salt [RuCp(PTA) 2-μ-CN-1κ C:2κ N-RuCp(PTA) 2][Re(NO)Br 4(EtOH) 0.5(MeOH) 0.5]. Acta Crystallogr E Crystallogr Commun 2021; 77:749-754. [PMID: 34513024 PMCID: PMC8382050 DOI: 10.1107/s2056989021006381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 06/18/2021] [Indexed: 12/27/2022]
Abstract
A new RuII-ReII complex salt, μ-cyanido-κ2 C:N-bis-[(η5-cyclo-penta-dien-yl)bis(3,5,7-tri-aza-phosphaadamantane-κP)ruthenium(II)] tetra-bromido-(ethanol/methanol-κO)nitrosylrhenate(II), [Ru(CN)(C5H5)2(C6H12N3P)4][ReBr4(NO)(CH4O)0.5(C2H6O)0.5] or [RuCp(PTA)2-μ-CN-1κC:2κ2 N-RuCp(PTA)2][Re(NO)Br4(EtOH)0.5(MeOH)0.5] (PTA = 3,5,7-tri-aza-phosphaadaman-tane) was obtained and characterized by single-crystal X-ray diffraction, elemental analysis and infrared spectroscopy. The title salt was obtained by liquid-liquid diffusion of methanol/DMSO solutions of (NBu4)[Re(NO)Br4(EtOH)] and [(PTA)2CpRu-μ-CN-1κC:2κ2 N-RuCp(PTA)2](CF3SO3). The RuII and ReII independent moieties correspond to a binuclear and mononuclear complex ion, respectively. A deep geometrical parameter analysis was performed, and no significant differences were found with earlier reports containing similar mol-ecules. The magnetic properties were investigated in the temperature range 2.0-300 K, and the complex behaves as a quasi-magnetically isolated spin doublet with weak anti-ferromagnetic inter-actions.
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Affiliation(s)
- Mario Pacheco
- Area Quimica Inorganica, Facultad de Quimica, Universidad de la República, 11800, Montevideo, Uruguay
| | - Natalia Alvarez
- Area Quimica Inorganica, Facultad de Quimica, Universidad de la República, 11800, Montevideo, Uruguay
| | - Alicia Cuevas
- Area Quimica Inorganica, Facultad de Quimica, Universidad de la República, 11800, Montevideo, Uruguay
| | - Antonio Romerosa
- Area de Quimica Inorganica-CIESOL, Universidad de Almeria, 04120 Almeria, Spain
| | - Francesc Lloret
- Instituto de Ciencia Molecular, Universidad de Valencia, C/ Catedratico Jose, Beltran 2, 46980 Paterna, Valencia, Spain
| | - Carlos Kremer
- Area Quimica Inorganica, Facultad de Quimica, Universidad de la República, 11800, Montevideo, Uruguay
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Udvardy A, Szolnoki CT, Kováts É, Nyul D, Gál GT, Papp G, Joó F, Kathó Á. Water-soluble Ag(I)-based coordination polymers obtained by anion-directed self-assembly of various AgX salts and a phosphabetaine derived from 1,3,5-triaza-7-phophaadamantane. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120299] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Scalambra F, Sierra-Martin B, Serrano-Ruiz M, Fernandez-Barbero A, Romerosa A. First exfoliated Ru-Ru-Au organometallic polymer with layered structure. Chem Commun (Camb) 2020; 56:9441-9444. [PMID: 32662805 DOI: 10.1039/d0cc04325g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A new water soluble heterometallic polymeric complex [{(PTA)2CpRu-μ-CN-1κC:2κ2N-RuCp(PTA)2}-μ-{Au(CN)4}4]n·2H2O (1) is synthesized and characterized by single crystal X-ray diffraction. This complex self-assembles forming 3D polymeric structures with large scale hexagonal conformation. They also organize as 3D stacks of polymer sandwiches that can be exfoliated providing mono heterometallic-3D layers, as shown by electron microscopy. Regarding the polymer dynamics, quasi-elastic neutron scattering shows a transition from vibrational Debye-Waller behaviour to a more dynamically active state as a result of the loss of structural water molecules.
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Affiliation(s)
- Franco Scalambra
- Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain. and Inorganic Chemistry Lab-CIESOL, University of Almeria, 04120 Almeria, Spain
| | | | - Manuel Serrano-Ruiz
- Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain.
| | - Antonio Fernandez-Barbero
- Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain. and Institute of Applied Chemical Sciences, Universidad Autonoma de Chile, 8320000 Santiago, Chile
| | - Antonio Romerosa
- Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain. and Inorganic Chemistry Lab-CIESOL, University of Almeria, 04120 Almeria, Spain
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Battistin F, Vidal A, Cavigli P, Balducci G, Iengo E, Alessio E. Orthogonal Coordination Chemistry of PTA toward Ru(II) and Zn(II) (PTA = 1,3,5-Triaza-7-phosphaadamantane) for the Construction of 1D and 2D Metal-Mediated Porphyrin Networks. Inorg Chem 2020; 59:4068-4079. [PMID: 32100542 PMCID: PMC7997375 DOI: 10.1021/acs.inorgchem.0c00080] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
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This work demonstrates
that PTA (1,3,5-triaza-7-phosphaadamantane) behaves as an orthogonal
ligand between Ru(II) and Zn(II), since it selectively binds through
the P atom to ruthenium and through one or more of the N atoms to
zinc. This property of PTA was exploited for preparing the two monomeric
porphyrin adducts with axially bound PTA, [Ru(TPP)(PTA-κP)2] (1, TPP = meso-tetraphenylporphyrin) and [Zn(TPP)(PTA-κN)] (3). Next, we prepared a number of heterobimetallic
Ru/Zn porphyrin polymeric networks—and two discrete molecular
systems—mediated by P,N-bridging PTA in which
either both metals reside inside a porphyrin core, or one metal belongs
to a porphyrin, either Ru(TPP) or Zn(TPP), and the other to a complex
or salt of the complementary metal (i.e., cis,cis,trans-[RuCl2(CO)2(PTA-κP)2] (5), trans-[RuCl2(PTA-κP)4] (7), Zn(CH3COO)2, and ZnCl2). The molecular compounds 1, 3, trans-[{RuCl2(PTA-κ2P,N)4}{Zn(TPP)}4] (8), and [{Ru(TPP)(PTA-κP)(PTA-κ2P,N)}{ZnCl2(OH2)}] (11), as well as the polymeric species [{Ru(TPP)(PTA-κ2P,N)2}{Zn(TPP)}]∞ (4), cis,cis,trans-[{RuCl2(CO)2(PTA-κ2P,N)2}{Zn(TPP)}]∞ (6), trans-[{RuCl2(PTA-κ2P,N)4}{Zn(TPP)}2]∞ (9), and [{Ru(TPP)(PTA-κ3P,2N)2}{Zn9(CH3COO)16(CH3OH)2(OH)2}]∞ (10), were structurally characterized by single crystal X-ray diffraction.
Compounds 4, 6, 9, and 10 are the first examples of solid-state porphyrin networks
mediated by PTA. In 4, 6, 8, 9, and 11 the bridging PTA has the κ2P,N binding mode, whereas in the 2D polymeric
layers of 10 it has the triple-bridging mode κ3P,2N. The large number of
compounds with the six-coordinate Zn(TPP) (the three polymeric networks
of 4, 6 and 9, out of five
compounds) strongly suggests that the stereoelectronic features of
PTA are particularly well-suited for this relatively rare type of
coordination. Interestingly, the similar 1D polymeric chains 4 and 6 have different shapes (zigzag in 4 vs “Greek frame” in 6) because
the {trans-Ru(PTA-κ2P,N)2} fragment bridges two Zn(TPP) units with anti geometry in 4 and with syn geometry
in 6. Orthogonal “Greek frame” 1D chains
make the polymeric network of 9. Having firmly established
the binding preferences of PTA toward Ru(II) and Zn(II), we are confident
that in the future a variety of Ru/Zn solid-state networks can be
produced by changing the nature of the partners. In particular, there
are several inert Ru(II) compounds that feature two or more P-bonded
PTA ligands that might be exploited as connectors of well-defined
geometry for the rational design of solid-state networks with Zn–porphyrins
(or other Zn compounds). This work demonstrates,
through the X-ray structural characterization of several polymeric
Ru/Zn networks, that PTA (1,3,5-triaza-7-phosphaadamantane) behaves
as an orthogonal ligand between Ru(II) and Zn(II). In fact, PTA selectively
binds through the P atom to ruthenium and through one or more of the
N atoms to zinc.
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Affiliation(s)
- Federica Battistin
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - Alessio Vidal
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - Paolo Cavigli
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - Gabriele Balducci
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - Elisabetta Iengo
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - Enzo Alessio
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
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Sierra-Martin B, Serrano-Ruiz M, Scalambra F, Fernandez-Barbero A, Romerosa A. Novel Ruthenium-Silver PTA-Based Polymers and Their Behavior in Water. Polymers (Basel) 2019; 11:polym11081249. [PMID: 31357722 PMCID: PMC6724013 DOI: 10.3390/polym11081249] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 07/25/2019] [Indexed: 12/18/2022] Open
Abstract
New coordination polymers based on two metal-containing moieties Ru–Ag are synthesized: Na[RuCpX(PTA)-μ-(PTA)-1κP:2κ2N-AgX2]∞ (X = Cl (1), Br (2), I (3)). Characterization is performed by NMR, UV-visible and FT-IR spectroscopy, optical-electron microscopy, and elemental analyses (C, H, N, S). Light scattering is employed to characterize the colloidal particles growth by polymer self-assembling. These structures are stable over a broad range of pH and exhibit thermally-driven swelling, thus resembling a typical thermosensitive hydrogel.
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Affiliation(s)
| | - Manuel Serrano-Ruiz
- Inorganic Chemistry Lab-CIESOL, Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain
| | - Franco Scalambra
- Inorganic Chemistry Lab-CIESOL, Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain
| | - Antonio Fernandez-Barbero
- Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain
- Institute of Applied Chemical Sciences, Universidad Autonoma de Chile, 8320000 Santiago, Chile
| | - Antonio Romerosa
- Inorganic Chemistry Lab-CIESOL, Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain.
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Scalambra F, Rudić S, Romerosa A. Molecular Insights into Bulk and Porous κ2
P,N
-PTA Metal-Organic Polymers by Simultaneous Raman Spectroscopy and Inelastic Neutron Scattering. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201801283] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Franco Scalambra
- Áea de Química Inorgánica-CIESOL; Universidad de Almería; Carretera Sacramento s/n 04120 La Canada de San Urbano Spain
| | - Svemir Rudić
- ISIS Facility; STFC, Rutherford Appleton Laboratory; Chilton OX11 0QX Didcot UK
| | - Antonio Romerosa
- Áea de Química Inorgánica-CIESOL; Universidad de Almería; Carretera Sacramento s/n 04120 La Canada de San Urbano Spain
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Scalambra F, Serrano-Ruiz M, Romerosa A. Water driven formation of channels: unusual solid-state structural transformation of a heterometallic polymer. Dalton Trans 2018; 47:3588-3595. [DOI: 10.1039/c7dt04515h] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
We describe the synthesis of trans-{[(PTA)2CpRu-μ-CN-RuCp(PTA)2-μ-CoCl3]}n·(DMSO)n, and its crystal-to-crystal transformation to its cis isomer, with channels where water is nanoconfined, upon addition of water to the crystallization medium.
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Affiliation(s)
- Franco Scalambra
- Área de Química Inorgánica-CIESOL
- Universidad de Almería
- 04120, Almería
- Spain
| | | | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL
- Universidad de Almería
- 04120, Almería
- Spain
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