Gopakumar, T. G. et al. Electron-induced spin crossover of single molecules in a bilayer on gold. Angew. Chem. Int. Ed. 51, 6262–6266 (2012).ArticleÂ
CASÂ
Google ScholarÂ
Kumar, K. S. & Ruben, M. Sublimable Spin-Crossover Complexes: From Spin-State Switching to Molecular Devices. Angew. Chem. Int. ed. 60, 7502–7521 (2021).ArticleÂ
CASÂ
Google ScholarÂ
Coronado, E. Molecular magnetism: from chemical design to spin control in molecules, materials and devices. Nat. Rev. Mater. 5, 87–104 (2020).ArticleÂ
ADSÂ
Google ScholarÂ
Halcrow, M. A. Manipulating metal spin states for biomimetic, catalytic and molecular materials chemistry. Dalton Trans. 49, 15560–15567 (2020).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Gütlich, P. & Goodwin, H. A. Spin Crossover in Transition Metal Compounds I–III (Springer, Berlin, 2004).Halcrow, M. A. Spin-crossover materials. Properties and applications (Wiley, Chichester, 2013).Gütlich, P., Hauser, A. & Spiering, H. T. Thermal and optical switching of iron(II) complexes. Angew. Chem. Int. Ed. 33, 2024–2054 (1994).ArticleÂ
Google ScholarÂ
Gakiya-Teruya, M. et al. Asymmetric design of spin-crossover complexes to increase the volatility for surface deposition. J. Am. Chem. Soc. 143, 14563–14572 (2021).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Collet, E. & Guionneau, P. Structural analysis of spin-crossover materials: from molecules to materials. C. R. Chim. 21, 1133–1151 (2018).ArticleÂ
CASÂ
Google ScholarÂ
Enachescu, C., Nishino, M. & Miyashita, S. Theoretical descriptions of spin-transitions in bulk lattices. In Spin-crossover materials. Properties and applications, edited by M. A. Halcrow (Wiley, Chichester, 2013), pp. 455–474.Halcrow, M. A. Structure:function relationships in molecular spin-crossover complexes. Chem. Soc. Rev. 40, 4119–4142 (2011).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Pinkowicz, D. et al. Enforcing multifunctionality: a pressure-induced spin-crossover photomagnet. J. Am. Chem. Soc. 137, 8795–8802 (2015).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Matsumoto, T. et al. Programmable spin-state switching in a mixed-valence spin-crossover iron grid. Nat. Commun. 5, 3865 (2014).ArticleÂ
ADSÂ
CASÂ
PubMedÂ
Google ScholarÂ
Sciortino, N. F. et al. Hysteretic three-step spin crossover in a thermo- and photochromic 3D pillared Hofmann-type metal-organic framework. Angew. Chem. Int. Ed. 51, 10154–10158 (2012).ArticleÂ
CASÂ
Google ScholarÂ
Chen, Y.-C. et al. Light- and temperature-assisted spin state annealing: accessing the hidden multistability. Chem. Sci. 11, 3281–3289 (2020).ArticleÂ
ADSÂ
CASÂ
PubMedÂ
PubMed CentralÂ
Google ScholarÂ
Paradis, N., Chastanet, G. & Létard, J.-F. When stable and metastable HS states meet in spin-crossover compounds. Eur. J. Inorg. Chem. 2012, 3618–3624 (2012).ArticleÂ
CASÂ
Google ScholarÂ
Paradis, N. et al. Detailed investigation of the interplay between the thermal decay of the low temperature metastable HS state and the thermal hysteresis of spin-crossover solids. J. Phys. Chem. C. 119, 20039–20050 (2015).ArticleÂ
CASÂ
Google ScholarÂ
Kiehl, J. et al. Pronounced magnetic bistability in highly cooperative mononuclear Fe(Lnpdtz)2(NCX)2 complexes. Inorg. Chem. 61, 3141–3151 (2022).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Sun, X.-P. et al. Discovery of kinetic effect in a valence tautomeric cobalt-dioxolene complex. Inorg. Chem. 61, 4240–4245 (2022).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Pillet, S., Bendeif, E.-E., Bonnet, S., Shepherd, H. J. & Guionneau, P. Multimetastability, phototrapping, and thermal trapping of a metastable commensurate superstructure in a FeII spin-crossover compound. Phys. Rev. B 86; https://doi.org/10.1103/PhysRevB.86.064106 (2012).Nihei, M. et al. Multiple bistability and tristability with dual spin-state conversions in [Fe(dpp)2]Ni(mnt)2]2·MeNO2. J. Am. Chem. Soc. 132, 3553–3560 (2010).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Brooker, S. Spin crossover with thermal hysteresis: practicalities and lessons learnt. Chem. Soc. Rev. 44, 2880–2892 (2015).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Dankhoff, K. & Weber, B. Isostructural iron(III) spin crossover complexes with a tridentate Schiff base-like ligand: X-ray structures and magnetic properties. Dalton Trans. 48, 15376–15380 (2019).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Ye, Y. S. et al. Slow dynamics of the spin-crossover process in an apparent high-spin mononuclear FeII complex. Angew. Chem. Int. Ed. 58, 18888–18891 (2019).ArticleÂ
CASÂ
Google ScholarÂ
Holland, J. M. et al. Stereochemical effects on the spin-state transition shown by salts of [FeL2]2+ [L = 2,6-di(pyrazol-1-yl)pyridine]. J. Chem. Soc., Dalton Trans., 548–554; https://doi.org/10.1039/b108468m (2002).Halcrow, M. A. Iron(II) complexes of 2,6-di(pyrazol-1-yl)pyridines—A versatile system for spin-crossover research. Coord. Chem. Rev. 253, 2493–2514 (2009).ArticleÂ
CASÂ
Google ScholarÂ
Money, V. A. et al. Interplay between kinetically slow thermal spin-crossover and metastable high-spin state relaxation in an iron(II) complex with similar T1/2 and T(LIESST). Chem. Eur. J. 13, 5503–5514 (2007).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Vicente, A. I. et al. Dynamic spin interchange in a tridentate Fe(III) Schiff-base compound. Chem. Sci. 7, 4251–4258 (2016).ArticleÂ
CASÂ
PubMedÂ
PubMed CentralÂ
Google ScholarÂ
Shatruk, M., Phan, H., Chrisostomo, B. A. & Suleimenova, A. Symmetry-breaking structural phase transitions in spin crossover complexes. Coord. Chem. Rev. 289-290, 62–73 (2015).ArticleÂ
CASÂ
Google ScholarÂ
Imatomi, S., Sato, T., Hamamatsu, T., Kitashima, R. & Matsumoto, N. Spin-crossover behavior of isomorphous bi- and mononuclear iron(III) complexes. Bull. Chem. Soc. Jpn 80, 2375–2377 (2007).ArticleÂ
CASÂ
Google ScholarÂ
Steiner, T. The hydrogen bond in the solid state. Angew. Chem. Int. Ed. 41, 48–76 (2002).ArticleÂ
CASÂ
Google ScholarÂ
Weber, B., Bauer, W. & Obel, J. An iron(II) spin-crossover complex with a 70 K wide thermal hysteresis loop. Angew. Chem. Int. Ed. 47, 10098–10101 (2008).ArticleÂ
CASÂ
Google ScholarÂ
Timken, M. D., Hendrickson, D. N. & Sinn, E. Dynamics of spin-state interconversion and cooperativity for ferric spin-crossover complexes in the solid state. 3. Bis[N-(2-(benzylamino)ethyl)salicylaldiminato]iron(III) complexes. Inorg. Chem. 24, 3947–3955 (1985).Sertphon, D. et al. Anionic tuning of spin crossover in FeIII–quinolylsalicylaldiminate complexes. Eur. J. Inorg. Chem. 2013, 788–795 (2013).ArticleÂ
CASÂ
Google ScholarÂ
Schönfeld, S., Lochenie, C., Thoma, P. & Weber, B. 1D iron(II) spin crossover coordination polymers with 3,3’-azopyridine – kinetic trapping effects and spin transition above room temperature. CrystEngComm 17, 5389–5395 (2015).ArticleÂ
Google ScholarÂ
Weihermüller, J., Schlamp, S., Dittrich, B. & Weber, B. Kinetic trapping effects in amphiphilic iron(II) spin crossover compounds. Inorg. Chem. 58, 1278–1289 (2019).ArticleÂ
PubMedÂ
Google ScholarÂ
Boonprab, T. et al. The first observation of hidden hysteresis in an iron(III) spin-crossover complex. Angew. Chem. Int. Ed. 131, 11937–11941 (2019).ArticleÂ
ADSÂ
Google ScholarÂ
Tissot, A., Fertey, P., Guillot, R., Briois, V. & Boillot, M.-L. Structural, magnetic, and vibrational investigations of FeIII spin-crossover compounds [Fe(4-MeO-SalEen)2]X with X = NO3- and PF6-. Eur. J. Inorg. Chem. 2014, 101–109 (2014).ArticleÂ
CASÂ
Google ScholarÂ
Hayami, S. & Maeda, Y. Time-dependence of the magnetism of [Fe(pap)2]ClO4 and its solvent adducts; unexpected solid state effect in high-spin⇔low-spin state transition. Inorg. Chim. Acta 255, 181–184 (1997).ArticleÂ
CASÂ
Google ScholarÂ
Murnaghan, K. D. et al. Spin-state ordering on one sub-lattice of a mononuclear iron(III) spin crossover complex exhibiting LIESST and TIESST. Chem. Eur. J. 20, 5613–5618 (2014).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
DÃaz-Torres, R. et al. Spin crossover in iron(III) quinolylsalicylaldiminates: the curious case of Fe(qsal-F)2(Anion). Inorg. Chem. 59, 13784–13791 (2020).ArticleÂ
PubMedÂ
Google ScholarÂ
Müller, E. W., Spiering, H. & Gütlich, P. Spin transition in [Fe(phen)2(NCS)2] and [Fe(bipy)2(NCS)2]: hysteresis and effect of crystal quality. Chem. Phys. Lett. 93, 567–571 (1982).ArticleÂ
ADSÂ
Google ScholarÂ
Goldanskii, V. I. & Herber, R. H. Chemical applications of Mössbauer spectroscopy (Academic Press, London, 1968).Greenwood, N. N. & Gibb, T. C. Mössbauer Spectroscopy (Springer, Berlin, 2013).Blume, M. & Tjon, J. A. Mössbauer spectra in a fluctuating environment. Phys. Rev. 165, 446–456 (1968).ArticleÂ
ADSÂ
Google ScholarÂ
Harding, D. J., Harding, P. & Phonsri, W. Spin crossover in iron(III) complexes. Coord. Chem. Rev. 313, 38–61 (2016).ArticleÂ
CASÂ
Google ScholarÂ
Nihei, M., Shiga, T., Maeda, Y. & Osio, H. Spin crossover iron(III) complexes. Coord. Chem. Rev. 251, 2606–2621 (2007).ArticleÂ
CASÂ
Google ScholarÂ
van Koningsbruggen, P. J., Maeda, Y. & Oshio, H. Iron(III) Spin Crossover Compounds. In Spin Crossover in Transition Metal Compounds I, edited by P. Gütlich & H. A. Goodwin (Springer, Berlin, 2004), pp. 259–324.Gütlich, P., Bill, E. & Trautwein, A. Mössbauer spectroscopy and transition metal chemistry. Fundamentals and application (Springer, Berlin, 2011).Kulmaczewski, R. et al. Remarkable scan rate dependence for a highly constrained dinuclear iron(II) spin crossover complex with a wide thermal hysteresis loop. J. Am. Chem. Soc. 136, 878–881 (2014).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Schenker, S., Hauser, A. & Dyson, R. M. Intersystem crossing dynamics in the iron(III) spin-crossover compounds [Fe(acpa)2]PF6 and [Fe(Sal2tr)]PF6. Inorg. Chem. 35, 4676–4682 (1996).ArticleÂ
CASÂ
Google ScholarÂ
Buhks, E., Navon, G., Bixon, M. & Jortner, J. Spin conversion processes in solutions. J. Am. Chem. Soc. 102, 2918–2923 (1980).ArticleÂ
CASÂ
Google ScholarÂ
Hauser, A., Jeftić, J., Romstedt, H., Hinek, R. & Spiering, H. Cooperative phenomena and light-induced bistability in iron(II) spin-crossover compounds. Coord. Chem. Rev. 190-192, 471–491 (1999).ArticleÂ
CASÂ
Google ScholarÂ
Hauser, A. Cooperative effects on the HS→LS relaxation in the [Fe(ptz)6](BF4)2 spin-crossover system. Chem. Phys. Lett. 192, 65–70 (1992).ArticleÂ
ADSÂ
CASÂ
Google ScholarÂ
Delgado, T. et al. Very long-lived photogenerated high-spin phase of a multistable spin-crossover molecular material. J. Am. Chem. Soc. 140, 12870–12876 (2018).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Zhao, Q., Xue, J.-P., Liu, Z.-K., Yao, Z.-S. & Tao, J. Spin-crossover iron(II) long-chain complex with slow spin equilibrium at low temperatures. Dalton Trans. 50, 11106–11112 (2021).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Sunatsuki, Y. et al. An unprecedented homochiral mixed-valence spin-crossover compound. Angew. Chem. Int. Ed. 42, 1614–1618 (2003).ArticleÂ
CASÂ
Google ScholarÂ
Timken, M. D., Abdel-Mawgoud, A. M. & Hendrickson, D. N. Dynamics of spin-state interconversion and cooperativity for ferric spin-crossover complexes in the solid state. 6. Magnetic and spectroscopic characterizations of [Fe(3-OEt-SalAPA)2]X (X = ClO4-, or BPh4-). Inorg. Chem. 25, 160–164 (1986).Klug, C. M. et al. Anion dependence in the spin-crossover properties of a Fe(II) podand complex. Dalton Trans. 41, 12577–12585 (2012).ArticleÂ
CASÂ
PubMedÂ
Google ScholarÂ
Wu, S.-G. et al. Multiresponsive spin crossover driven by rotation of tetraphenylborate anion in an iron(III) complex. CCS Chem. 3, 453–459 (2021).ArticleÂ
ADSÂ
CASÂ
Google ScholarÂ
Maeda, Y., Tsutsumi, N. & Takashima, Y. Examples of fast and slow electronic relaxation between 6A and 2T. Inorg. Chem. 23, 2440–2447 (1984).ArticleÂ
CASÂ
Google ScholarÂ
Létard, J.-F. et al. Photomagnetism of a sym-cis-dithiocyanato iron(II) complex with a tetradentate N,N’-bis(2-pyridylmethyl)1,2-ethanediamine ligand. Chem. Eur. J. 18, 5924–5934 (2012).ArticleÂ
PubMedÂ
Google ScholarÂ
Kusz, J., Zubko, M., Fitch, A. & Gütlich, P. Isostructural phase transition in the spin crossover compound [Fe(dpp)2(NCS)2] · py. Z. Kristallogr. 226, 576–584 (2011).ArticleÂ
CASÂ
Google ScholarÂ
Nicolazzi, W. & Bousseksou, A. Thermodynamical aspects of the spin crossover phenomenon. C. R. Chim. 21, 1060–1074 (2018).ArticleÂ
CASÂ
Google ScholarÂ
Borys, A. M. An Illustrated Guide to Schlenk Line Techniques. Organometallics 42, 182–196 (2023).ArticleÂ
CASÂ
Google ScholarÂ
Regel, E. C-Acylierung von 5 gliedrigen N-Heterocyclen, II. Acylierung von 1-Acylimidazolen, Thiazolen und Oxazolen sowie Darstellung N-unsubstituierter C-Acylazole. Liebigs Ann. Chem. 1977, 159–168 (1977).ArticleÂ
Google ScholarÂ
Bastiaansen, L. A. M., Van Lier, P. M. & Godefroi, E. F. Imidazole-2-carboxaldehyde. Org. Synth. 60, 72 (1981).ArticleÂ
CASÂ
Google ScholarÂ
Bastiaansen, L. A. M. & Godefroi, E. F. 2-Aminomethylimidazole and imidazole-2-carboxaldehyde: two facile syntheses. J. Org. Chem. 43, 1603–1604 (1978).ArticleÂ
CASÂ
Google ScholarÂ
Crombie, L., Games, D. E. & James, A. W. G. Polyketo-enols and chelates. Chemistry of the formation of xanthophanic enol and its glutaconate and pyran intermediates. J. Chem. Soc., Perkin Trans. 1, 464; https://doi.org/10.1039/P19790000464 (1979).Claisen, L. Untersuchungen über die Oxymethylenverbindungen. (Zweite Abhandlung.). Liebigs Ann. Chem. 297, 1–98 (1897).ArticleÂ
CASÂ
Google ScholarÂ
Krause, L., Herbst-Irmer, R., Sheldrick, G. M. & Stalke, D. Comparison of silver and molybdenum microfocus X-ray sources for single-crystal structure determination. J. Appl. Cryst. 48, 3–10 (2015).ArticleÂ
ADSÂ
CASÂ
Google ScholarÂ
Sheldrick, G. M. SHELXT – integrated space-group and crystal-structure determination. Acta Cryst. A 71, 3–8 (2015).ArticleÂ
Google ScholarÂ
Sheldrick, G. M. A short history of SHELX. Acta Cryst. A 64, 112–122 (2008).ArticleÂ
CASÂ
Google ScholarÂ
Sheldrick, G. M. Crystal structure refinement with SHELXL. Acta Cryst. C. 71, 3–8 (2015).ArticleÂ
Google ScholarÂ
Dolomanov, O. V., Bourhis, L. J., Gildea, R. J., Howard, J. A. K. & Puschmann, H. OLEX2: a complete structure solution, refinement and analysis program. J. Appl. Crystallogr. 42, 339–341 (2009).ArticleÂ
ADSÂ
CASÂ
Google ScholarÂ
Farrugia, L. J. WinGX and ORTEP for Windows: an update. J. Appl. Crystallogr. 45, 849–854 (2012).ArticleÂ
ADSÂ
CASÂ
Google ScholarÂ
Macrae, C. F. et al. Mercury 4.0: from visualization to analysis, design and prediction. J. Appl. Crystallogr. 53, 226–235 (2020).ArticleÂ
ADSÂ
CASÂ
PubMedÂ
PubMed CentralÂ
Google ScholarÂ
Spek, A. L. Single-crystal structure validation with the program PLATON. J. Appl. Crystallogr. 36, 7–13 (2003).ArticleÂ
ADSÂ
CASÂ
Google ScholarÂ
Ketkaew, R. et al. OctaDist: a tool for calculating distortion parameters in spin crossover and coordination complexes. Dalton Trans. (Camb., Engl.: 2003) 50, 1086–1096 (2021).ArticleÂ
CASÂ
Google ScholarÂ
Spackman, M. A. & Jayatilaka, D. Hirshfeld surface analysis. CrystEngComm 11, 19–32 (2009).ArticleÂ
CASÂ
Google ScholarÂ
Spackman, P. R. et al. CrystalExplorer: a program for Hirshfeld surface analysis, visualization and quantitative analysis of molecular crystals. J. Appl. Crystallogr. 54, 1006–1011 (2021).ArticleÂ
ADSÂ
CASÂ
PubMedÂ
PubMed CentralÂ
Google ScholarÂ
Hatscher, S., Schilder, H., Lueken, H. & Urland, W. Practical guide to measurement and interpretation of magnetic properties (IUPAC Technical Report). Pure Appl. Chem. 77, 497–511 (2005).ArticleÂ
CASÂ
Google ScholarÂ
Bain, G. A. & Berry, J. F. Diamagnetic Corrections and Pascal’s Constants. J. Chem. Educ. 85, 532 (2008).ArticleÂ
CASÂ
Google ScholarÂ
Quantum Design. MPMS MultiVu (San Diego USA, 2004).Lagarec, K. & Rancourt, D. G. Mössbauer spectral analysis software for Windows (Department of Physics, University of Ottawa, Canada, 1998).Wolfram Research Inc. Mathematica (Champaign, USA, 2011).Fulmer, G. R. et al. NMR Chemical Shifts of Trace Impurities: Common Laboratory Solvents, Organics, and Gases in Deuterated Solvents Relevant to the Organometallic Chemist. Organometallics 29, 2176–2179 (2010).ArticleÂ
CASÂ
Google ScholarÂ
Schneider, C. A., Rasband, W. S. & Eliceiri, K. W. NIH Image to ImageJ: 25 years of image analysis. Nat. Methods 9, 671–675 (2012).ArticleÂ
CASÂ
PubMedÂ
PubMed CentralÂ
Google ScholarÂ