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Drosou M, Bhattacharjee S, Pantazis DA. Combined Multireference-Multiscale Approach to the Description of Photosynthetic Reaction Centers. J Chem Theory Comput 2024. [PMID: 39116215 DOI: 10.1021/acs.jctc.4c00578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
A first-principles description of the primary photochemical processes that drive photosynthesis and sustain life on our planet remains one of the grand challenges of modern science. Recent research established that explicit incorporation of protein electrostatics in excited-state calculations of photosynthetic pigments, achieved for example with quantum-mechanics/molecular-mechanics (QM/MM) approaches, is essential for a meaningful description of the properties and function of pigment-protein complexes. Although time-dependent density functional theory has been used productively so far in QM/MM approaches for the study of such systems, this methodology has limitations. Here we pursue for the first time a QM/MM description of the reaction center in the principal enzyme of oxygenic photosynthesis, Photosystem II, using multireference wave function theory for the high-level QM region. We identify best practices and establish guidelines regarding the rational choice of active space and appropriate state-averaging for the efficient and reliable use of complete active space self-consistent field (CASSCF) and the N-electron valence state perturbation theory (NEVPT2) in the prediction of low-lying excited states of chlorophyll and pheophytin pigments. Given that the Gouterman orbitals are inadequate as a minimal active space, we define specific minimal and extended active spaces for the NEVPT2 description of electronic states that fall within the Q and B bands. Subsequently, we apply our multireference-QM/MM protocol to the description of all pigments in the reaction center of Photosystem II. The calculations reproduce the electrochromic shifts induced by the protein matrix and the ordering of site energies consistent with the identity of the primary donor (ChlD1) and the experimentally known asymmetric and directional electron transfer. The optimized protocol sets the stage for future multireference treatments of multiple pigments, and hence for multireference studies of charge separation, while it is transferable to the study of any photoactive embedded tetrapyrrole system.
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Affiliation(s)
- Maria Drosou
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Sinjini Bhattacharjee
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Dimitrios A Pantazis
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
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2
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de Moraes MMF, Aoto YA. Multi- d-Occupancy as an Alternative Definition for the Double d-Shell Effect. J Phys Chem A 2023; 127:10075-10090. [PMID: 37983730 DOI: 10.1021/acs.jpca.3c04709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Despite the prevalence of first-row transition metal-containing compounds in virtually all areas of chemistry, the accurate modeling of these systems is a known challenge for the theoretical chemistry community. Such a challenge is shown in a myriad of facets; among them are difficulties in defining ground-state multiplicities, disagreement in the results from methods considered highly accurate, and convergence problems in calculations for excited states. These problems cause a scarcity of reliable theoretical data for transition metal-containing systems. In this work, we explore the double d-shell effect that plagues and makes the application of multireference methods to this type of system difficult. We propose an alternative definition for this effect based on the mixing among d-occupancy configurations or the multi-d-occupancy character of the wave function. Moreover, we present a protocol able to include this effect in multireference calculations using an active space smaller than that usually used in the literature. A molybdenum-copper model system and its copper subsystem are used as example study cases, in particular, the molybdenum-copper charge transfer of the former and the electron affinity of the latter. We have shown that our alternative definition can be used to analyze their reference wave functions qualitatively. Based on this qualitative description, it is possible to optimize an active space without a second d-shell able to obtain relative energies accurately. Seeing the double d-shell effect through the lens of a multi-d-occupancy character, it is possible to correctly describe the wave function, improve the accuracy of the relative energies, and reduce the computational cost of multireference calculations. That way, we believe that this alternative definition has the potential to improve the modeling of first-row transition metal-containing compounds both for their ground and excited electronic structures.
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Affiliation(s)
- Matheus Morato F de Moraes
- Center of Mathematics Computing and Cognition, Federal University of ABC (UFABC), Santo André, SP 09280-560, Brazil
| | - Yuri Alexandre Aoto
- Center of Mathematics Computing and Cognition, Federal University of ABC (UFABC), Santo André, SP 09280-560, Brazil
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3
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Tran LN, Neuscamman E. Exploring Ligand-to-Metal Charge-Transfer States in the Photo-Ferrioxalate System Using Excited-State Specific Optimization. J Phys Chem Lett 2023; 14:7454-7460. [PMID: 37579001 DOI: 10.1021/acs.jpclett.3c01308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2023]
Abstract
The photo-ferrioxalate system (PFS), [Fe(III)(C2O4)]3-, more than an exact chemical actinometer, has been extensively applied in wastewater and environment treatment. Despite many experimental efforts to improve clarity, important aspects of the mechanism of ferrioxalate photolysis are still under debate. In this paper, we employ the recently developed WΓ-CASSCF to investigate the ligand-to-metal charge-transfer states that are key to ferrioxalate photolysis. This investigation provides a qualitative picture of these states and key potential energy surface features related to the photolysis. Our theoretical results are consistent with the prompt charge-transfer picture seen in recent experiments and clarify some features that are not visible in experiments. Two ligand-to-metal charge-transfer states contribute to the photolysis of ferrioxalate, and the avoided crossing barrier between them is low compared with the initial photoexcitation energy. Our data also clarify that one Fe-O bond cleaves first, followed by the C-C bond and the other Fe-O bond.
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Affiliation(s)
- Lan Nguyen Tran
- Department of Physics, International University, Ho Chi Minh City 700000, Vietnam
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Eric Neuscamman
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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4
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Corrêa RLGQ, de Moraes MMF, de Oliveira KT, Aoto YA, Coutinho-Neto MD, Homem-de-Mello P. Diving into the optoelectronic properties of Cu(II) and Zn(II) curcumin complexes: a DFT and wavefunction benchmark. J Mol Model 2023; 29:166. [PMID: 37118617 DOI: 10.1007/s00894-023-05560-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/14/2023] [Indexed: 04/30/2023]
Abstract
CONTEXT Curcumin is a popular food additive around the world whose medicinal properties have been known since ancient times. The literature has recently highlighted several biological properties, but besides the health-related usages, its natural yellowish color may also be helpful for light-harvesting applications. This research aims to close a knowledge gap regarding the photophysical description of curcumin and its metallic complexes. METHODS We conducted benchmark experiments comparing NEVPT calculations with several DFT functionals (B3LYP, M06-L, M06-2X, CAM-B3LYP, and ωB97X-D) for describing the UV spectra of curcumin and its metallo-derivative, curcumin-copper(II). Once we determined the most suitable functional, we performed tests with different basis sets and conditions, such as solvation and redox state, to identify their impact on excited state properties. These results are also reported for the curcumin-zinc(II) derivative. We found that the accuracy of DFT functionals depends strongly on the nature of curcumin's excitations. Intra-ligand transitions dominate the absorption spectra of the complexes. Curcumin absorption is marginally affected by solvation and chelation, but when combined with redox processes, they may result in significant modifications. This is because copper cation changes its coordination geometry in response to redox conditions, changing the spectrum. We found that, compared to a NEVPT reference, B3LYP is the best functional for a general description of the compounds, despite not being appropriate for charge transfer transitions. M06-L was the best for LMCT transitions. However, compared with NEVPT2 and PNO-LCCSD(T)-F12 results, no functional achieved acceptable accuracy for MLCT transitions.
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Affiliation(s)
| | | | | | - Yuri Alexandre Aoto
- Center for Mathematics, Computation and Cognition (CMCC), Federal University of ABC (UFABC), Santo André, 09210-580, Brazil
| | | | - Paula Homem-de-Mello
- Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), Santo André, 09210-580, Brazil.
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5
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Otis L, Neuscamman E. Optimization Stability in Excited-State-Specific Variational Monte Carlo. J Chem Theory Comput 2023; 19:767-782. [PMID: 36662538 DOI: 10.1021/acs.jctc.2c00642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
We investigate the issue of optimization stability in variance-based state-specific variational Monte Carlo, discussing the roles of the objective function, the complexity of wave function ansatz, the amount of sampling effort, and the choice of minimization algorithm. Using a small cyanine dye molecule as a test case, we systematically perform minimizations using variants of the linear method as both a standalone algorithm and in a hybrid combination with accelerated descent. We demonstrate that adaptive step control is crucial for maintaining the linear method's stability when optimizing complicated wave functions and that the hybrid method enjoys both greater stability and minimization performance.
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Affiliation(s)
- Leon Otis
- Department of Physics, University of California Berkeley, Berkeley, California 94720, United States
| | - Eric Neuscamman
- Department of Chemistry, University of California Berkeley, Berkeley, California 94720, United States.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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6
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Otis L, Neuscamman E. A promising intersection of excited‐state‐specific methods from quantum chemistry and quantum Monte Carlo. WIRES COMPUTATIONAL MOLECULAR SCIENCE 2023. [DOI: 10.1002/wcms.1659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- Leon Otis
- Department of Physics University of California Berkeley Berkeley California USA
| | - Eric Neuscamman
- Department of Chemistry University of California Berkeley Berkeley California USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory Berkeley California USA
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7
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Teusch T, Klüner T. Photodesorption mechanism of water on WO 3(001) - a combined embedded cluster, computational intelligence and wave packet approach. Phys Chem Chem Phys 2020; 22:19267-19274. [PMID: 32815960 DOI: 10.1039/d0cp02809f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work we investigate the mechanism of photodesorption of water from a WO3(001) surface by theoretical calculations, applying an embedded cluster model. Using the CASSCF method, we have calculated both the ground state as well as the energetically preferred charge-transfer state in three degrees of freedom of the water molecule on the surface. The calculated potential energy surfaces were afterwards fitted with a neural network optimized by a genetic algorithm. A final quantum dynamic wave packet study provided insight into the photodesorption mechanism.
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Affiliation(s)
- Thomas Teusch
- Department of Chemistry, Carl von Ossietzky University Oldenburg, 26129 Oldenburg, Germany.
| | - Thorsten Klüner
- Department of Chemistry, Carl von Ossietzky University Oldenburg, 26129 Oldenburg, Germany.
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8
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Tran LN, Neuscamman E. Improving Excited-State Potential Energy Surfaces via Optimal Orbital Shapes. J Phys Chem A 2020; 124:8273-8279. [DOI: 10.1021/acs.jpca.0c07593] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Lan Nguyen Tran
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Ho Chi Minh City Institute of Physics, VAST, Ho Chi Minh City 700000, Vietnam
| | - Eric Neuscamman
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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9
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Kathir RK, de Graaf C, Broer R, Havenith RWA. Reduced Common Molecular Orbital Basis for Nonorthogonal Configuration Interaction. J Chem Theory Comput 2020; 16:2941-2951. [PMID: 32279493 PMCID: PMC7222100 DOI: 10.1021/acs.jctc.9b01144] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Electron and charge transfers are part of many vital processes in nature and technology. Ab initio descriptions of these processes provide useful insights that can be utilized for applications. A combination of the embedded cluster material model and nonorthogonal configuration interaction (NOCI), in which the cluster wave functions are expanded in many-electron basis functions (MEBFs) consisting of spin-adapted, antisymmetrized products of multiconfigurational wave functions of fragments (which are usually molecules) in the cluster, appears to provide a compromise between accuracy and calculation time. Additional advantages of this NOCI-Fragments approach are the chemically convenient interpretation of the wave function in terms of molecular states, and the direct accessibility of electronic coupling between diabatic states to describe energy and electron transfer processes. Bottlenecks in this method are the large number of two-electron integrals that have to be handled for the calculation of an electronic coupling matrix element and the enormous number of matrix elements over determinant pairs that have to be evaluated for the calculation of one matrix element between the MEBFs. We show here how we created a reduced common molecular orbital basis that is utilized to significantly reduce the number of two-electron integrals that need to be handled. The results obtained with this basis do not show any loss of accuracy in relevant quantities like electronic couplings and vertical excitation energies. We also show a significant reduction in computation time without loss in accuracy when matrix elements over determinant pairs with small weights are neglected in the NOCI. These improvements in the methodology render NOCI-Fragments to be also applicable to treat clusters of larger molecular systems with larger atomic basis sets and larger active spaces, as the computation time becomes dependent on the number of occupied orbitals and less dependent on the size of the active space.
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Affiliation(s)
- R K Kathir
- Theoretical Chemistry, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Coen de Graaf
- Department of Physical and Inorganic Chemistry, Universitat Rovira i Virgili, C. Marcel·lı́ Domingo 1, 43007 Tarragona, Spain.,Theoretical Chemistry Group, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.,ICREA, Passeig Lluı́s Companys 23, 08010 Barcelona, Spain
| | - Ria Broer
- Theoretical Chemistry Group, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Remco W A Havenith
- Theoretical Chemistry Group, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.,Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.,Ghent Quantum Chemistry Group, Department of Inorganic and Physical Chemistry, Ghent University, 9000 Gent, Belgium
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10
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Straatsma TP, Broer R, Faraji S, Havenith RWA, Suarez LEA, Kathir RK, Wibowo M, de Graaf C. GronOR: Massively parallel and GPU-accelerated non-orthogonal configuration interaction for large molecular systems. J Chem Phys 2020; 152:064111. [PMID: 32061226 DOI: 10.1063/1.5141358] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
GronOR is a program package for non-orthogonal configuration interaction calculations for an electronic wave function built in terms of anti-symmetrized products of multi-configuration molecular fragment wave functions. The two-electron integrals that have to be processed may be expressed in terms of atomic orbitals or in terms of an orbital basis determined from the molecular orbitals of the fragments. The code has been specifically designed for execution on distributed memory massively parallel and Graphics Processing Unit (GPU)-accelerated computer architectures, using an MPI+OpenACC/OpenMP programming approach. The task-based execution model used in the implementation allows for linear scaling with the number of nodes on the largest pre-exascale architectures available, provides hardware fault resiliency, and enables effective execution on systems with distinct central processing unit-only and GPU-accelerated partitions. The code interfaces with existing multi-configuration electronic structure codes that provide optimized molecular fragment orbitals, configuration interaction coefficients, and the required integrals. Algorithm and implementation details, parallel and accelerated performance benchmarks, and an analysis of the sensitivity of the accuracy of results and computational performance to thresholds used in the calculations are presented.
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Affiliation(s)
- T P Straatsma
- National Center for Computational Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6373, USA
| | - R Broer
- Theoretical Chemistry Group, Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
| | - S Faraji
- Theoretical Chemistry Group, Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
| | - R W A Havenith
- Theoretical Chemistry Group, Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
| | - L E Aguilar Suarez
- Theoretical Chemistry Group, Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
| | - R K Kathir
- Theoretical Chemistry Group, Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
| | - M Wibowo
- Theoretical Chemistry Group, Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
| | - C de Graaf
- Theoretical Chemistry Group, Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
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11
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Tran LN, Shea JAR, Neuscamman E. Tracking Excited States in Wave Function Optimization Using Density Matrices and Variational Principles. J Chem Theory Comput 2019; 15:4790-4803. [DOI: 10.1021/acs.jctc.9b00351] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Lan Nguyen Tran
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Ho Chi Minh City Institute of Physics, VAST, Ho Chi Minh City 700000, Vietnam
| | - Jacqueline A. R. Shea
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Eric Neuscamman
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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12
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Francés‐Monerris A, Gros PC, Assfeld X, Monari A, Pastore M. Toward Luminescent Iron Complexes: Unravelling the Photophysics by Computing Potential Energy Surfaces. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900100] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Antonio Francés‐Monerris
- Laboratoire de Physique et Chimie Théoriques (LPCT)Université de Lorraine, CNRS 54000 Nancy France
| | - Philippe C. Gros
- Laboratoire Lorrain de Chimie Moléculaire (L2CM)Université de Lorraine, CNRS 54000 Nancy France
| | - Xavier Assfeld
- Laboratoire de Physique et Chimie Théoriques (LPCT)Université de Lorraine, CNRS 54000 Nancy France
| | - Antonio Monari
- Laboratoire de Physique et Chimie Théoriques (LPCT)Université de Lorraine, CNRS 54000 Nancy France
| | - Mariachiara Pastore
- Laboratoire de Physique et Chimie Théoriques (LPCT)Université de Lorraine, CNRS 54000 Nancy France
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13
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Banasz R, Wałęsa-Chorab M. Polymeric complexes of transition metal ions as electrochromic materials: Synthesis and properties. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.03.009] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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14
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Magott M, Stefańczyk O, Sieklucka B, Pinkowicz D. Octacyanidotungstate(IV) Coordination Chains Demonstrate a Light-Induced Excited Spin State Trapping Behavior and Magnetic Exchange Photoswitching. Angew Chem Int Ed Engl 2017; 56:13283-13287. [PMID: 28770580 DOI: 10.1002/anie.201703934] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Revised: 07/09/2017] [Indexed: 11/07/2022]
Abstract
A huge increase in the magnetization of two coordination chains based on tetravalent octacyanidometalates (WIV and MoIV ) is observed on irradiation with 436 nm light, while no such behavior is observed for the NbIV analogue. A photomagnetic response based solely on [WIV (CN)8 ]4- is demonstrated for the first time. The observed behavior is attributed to the light-induced excited spin state trapping (LIESST) effect at the octacyanidometalate, and to the resulting magnetic exchange ON/OFF photoswitching between the MnII center and the photoinduced high-spin (S=1) WIV or MoIV centers.
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Affiliation(s)
- Michał Magott
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
| | - Olaf Stefańczyk
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Barbara Sieklucka
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
| | - Dawid Pinkowicz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
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15
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Magott M, Stefańczyk O, Sieklucka B, Pinkowicz D. Octacyanidotungstate(IV) Coordination Chains Demonstrate a Light-Induced Excited Spin State Trapping Behavior and Magnetic Exchange Photoswitching. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703934] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Michał Magott
- Faculty of Chemistry; Jagiellonian University; Gronostajowa 2 30-387 Kraków Poland
| | - Olaf Stefańczyk
- Department of Chemistry; School of Science; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Barbara Sieklucka
- Faculty of Chemistry; Jagiellonian University; Gronostajowa 2 30-387 Kraków Poland
| | - Dawid Pinkowicz
- Faculty of Chemistry; Jagiellonian University; Gronostajowa 2 30-387 Kraków Poland
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16
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First Principle Modelling of Materials and Processes in Dye-Sensitized Photoanodes for Solar Energy and Solar Fuels. COMPUTATION 2017. [DOI: 10.3390/computation5010005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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17
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Sivalingam K, Krupicka M, Auer AA, Neese F. Comparison of fully internally and strongly contracted multireference configuration interaction procedures. J Chem Phys 2016; 145:054104. [DOI: 10.1063/1.4959029] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Kantharuban Sivalingam
- Max-Planck Institute of Chemical Energy Conversion, Stiftstrasse 34, 45470 Mülheim an der Ruhr, Germany
| | - Martin Krupicka
- Max-Planck Institute of Chemical Energy Conversion, Stiftstrasse 34, 45470 Mülheim an der Ruhr, Germany
| | - Alexander A. Auer
- Max-Planck Institute of Chemical Energy Conversion, Stiftstrasse 34, 45470 Mülheim an der Ruhr, Germany
| | - Frank Neese
- Max-Planck Institute of Chemical Energy Conversion, Stiftstrasse 34, 45470 Mülheim an der Ruhr, Germany
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18
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Pastore M, De Angelis F, Angeli C. Optical absorption spectrum of the N3 solar cell sensitizer by second-order multireference perturbation theory. Theor Chem Acc 2016. [DOI: 10.1007/s00214-016-1868-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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19
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Sundararajan M, Neese F. Distal Histidine Modulates the Unusual O-Binding of Nitrite to Myoglobin: Evidence from the Quantum Chemical Analysis of EPR Parameters. Inorg Chem 2015; 54:7209-17. [DOI: 10.1021/acs.inorgchem.5b00557] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mahesh Sundararajan
- Theoretical Chemistry
Section, Bhabha Atomic Research Centre, Mumbai 400 085, India
| | - Frank Neese
- Max-Planck-Institut für Chemische Energiekonversion, Stiftstrasse 34-36, D-45470 Mülheim an der Ruhr, Germany
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20
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Tran VT, Tran QT, Hendrickx MFA. Geometric and Electronic Structures for MnS2–/0 Clusters by Interpreting the Anion Photoelectron Spectrum with Quantum Chemical Calculations. J Phys Chem A 2015; 119:5626-33. [DOI: 10.1021/acs.jpca.5b02896] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Van Tan Tran
- Theoretical
and Physical Chemistry Division, Dong Thap University, 783-Pham
Huu Lau, Cao Lanh City, Dong
Thap Vietnam
| | - Quoc Tri Tran
- Theoretical
and Physical Chemistry Division, Dong Thap University, 783-Pham
Huu Lau, Cao Lanh City, Dong
Thap Vietnam
| | - Marc F. A. Hendrickx
- Afdeling
Kwantumchemie en Fysicochemie, Departement Chemie, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001 Heverlee-Leuven, Belgium
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21
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Tran VT, Tran QT, Hendrickx MF. On the multi-reference character of the low-lying states of the MnS−/0 clusters by the NEVPT2 assignment of the anion photoelectron spectrum. Chem Phys Lett 2015. [DOI: 10.1016/j.cplett.2015.03.049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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22
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Domingo A, Angeli C, de Graaf C, Robert V. Electronic reorganization triggered by electron transfer: The intervalence charge transfer of a Fe3+/Fe2+bimetallic complex. J Comput Chem 2015; 36:861-9. [DOI: 10.1002/jcc.23871] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Revised: 12/17/2014] [Accepted: 01/15/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Alex Domingo
- Department of Chemistry; KU Leuven Celestijnenlaan 200F B-3001 Heverlee-Leuven Belgium
| | - Celestino Angeli
- Dipartimento di Scienze Chimiche e Farmaceutiche; Università di Ferrara; via Fossato di Mortara 17 44121 Ferrara Italy
| | - Coen de Graaf
- Departament de Química Física i Inorgànica; Universitat Rovira i Virgili; Marcel lí Domingo s/n 43007 Tarragona Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA); Passeig Lluís Companys 23 08010 Barcelona Spain
| | - Vincent Robert
- Laboratoire de Chimie Quantique; Institut de Chimie UMR 7177, Université de Strasbourg; 4 rue Blaise Pascal 67000 Strasbourg France
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23
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Joos JJ, Poelman D, Smet PF. Energy level modeling of lanthanide materials: review and uncertainty analysis. Phys Chem Chem Phys 2015; 17:19058-78. [DOI: 10.1039/c5cp02156a] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Empirical energy level models for describing lanthanide materials are reviewed and situated in a broader theoretical framework. The accuracy of determining experimental quantities through modeling is assessed.
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Affiliation(s)
- Jonas J. Joos
- LumiLab
- Department of Solid State Sciences
- Ghent University
- Ghent
- Belgium
| | - Dirk Poelman
- LumiLab
- Department of Solid State Sciences
- Ghent University
- Ghent
- Belgium
| | - Philippe F. Smet
- LumiLab
- Department of Solid State Sciences
- Ghent University
- Ghent
- Belgium
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24
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Meyer B, Domingo A, Krah T, Robert V. Charge transfer processes: the role of optimized molecular orbitals. Dalton Trans 2014; 43:11209-15. [DOI: 10.1039/c4dt00471j] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The influence of the molecular orbitals on charge transfer (CT) reactions is analyzed through wave function-based calculations.
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Affiliation(s)
- Benjamin Meyer
- Laboratoire de Chimie Quantique
- Institut de Chimie – UMR 7177
- Université de Strasbourg
- 67000 Strasbourg, France
| | - Alex Domingo
- Laboratoire de Chimie Quantique
- Institut de Chimie – UMR 7177
- Université de Strasbourg
- 67000 Strasbourg, France
| | - Tim Krah
- Laboratoire de Chimie Quantique
- Institut de Chimie – UMR 7177
- Université de Strasbourg
- 67000 Strasbourg, France
| | - Vincent Robert
- Laboratoire de Chimie Quantique
- Institut de Chimie – UMR 7177
- Université de Strasbourg
- 67000 Strasbourg, France
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25
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Malrieu JP, Caballol R, Calzado CJ, de Graaf C, Guihéry N. Magnetic interactions in molecules and highly correlated materials: physical content, analytical derivation, and rigorous extraction of magnetic Hamiltonians. Chem Rev 2013; 114:429-92. [PMID: 24102410 DOI: 10.1021/cr300500z] [Citation(s) in RCA: 282] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jean Paul Malrieu
- Laboratoire de Chimie et Physique Quantiques, Université de Toulouse 3 , 118 route de Narbonne, 31062 Toulouse, France
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26
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Formiga ALB, Vancoillie S, Pierloot K. Electronic Spectra of N-Heterocyclic Pentacyanoferrate(II) Complexes in Different Solvents, Studied by Multiconfigurational Perturbation Theory. Inorg Chem 2013; 52:10653-63. [DOI: 10.1021/ic401704r] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Steven Vancoillie
- Department
of Chemistry, University of Leuven, Celestijnenlaan 200F, B-3001 Heverlee, Belgium
| | - Kristine Pierloot
- Department
of Chemistry, University of Leuven, Celestijnenlaan 200F, B-3001 Heverlee, Belgium
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27
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Schapiro I, Sivalingam K, Neese F. Assessment of n-Electron Valence State Perturbation Theory for Vertical Excitation Energies. J Chem Theory Comput 2013; 9:3567-80. [DOI: 10.1021/ct400136y] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Igor Schapiro
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470 Mülheim an
der Ruhr, Germany
| | - Kantharuban Sivalingam
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470 Mülheim an
der Ruhr, Germany
| | - Frank Neese
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470 Mülheim an
der Ruhr, Germany
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28
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Schweinfurth D, Krzystek J, Schapiro I, Demeshko S, Klein J, Telser J, Ozarowski A, Su CY, Meyer F, Atanasov M, Neese F, Sarkar B. Electronic Structures of Octahedral Ni(II) Complexes with “Click” Derived Triazole Ligands: A Combined Structural, Magnetometric, Spectroscopic, and Theoretical Study. Inorg Chem 2013; 52:6880-92. [DOI: 10.1021/ic3026123] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- David Schweinfurth
- Institut für Chemie und Biochemie, Freie Universität
Berlin, Fabeckstraße 34-36, D-14195 Berlin, Germany
| | - J. Krzystek
- National High Magnetic Field Laboratory,
Florida State University, Tallahassee, Florida 32310, United States
| | - Igor Schapiro
- Max Planck Institute for Chemical
Energy Conversion, Stiftstraße 34-36, D-45470 Mülheim
an der Ruhr, Germany
| | - Serhiy Demeshko
- Institut
für Anorganische Chemie, Georg-August Universität Göttingen,
Tammanstraße 4, D-37077 Göttingen, Germany
| | - Johannes Klein
- Institut für Anorganische Chemie,
Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart,
Germany
| | - Joshua Telser
- Department of Biological,
Chemical and Physical Sciences, Roosevelt University, Chicago, Illinois
60605, United States
| | - Andrew Ozarowski
- National High Magnetic Field Laboratory,
Florida State University, Tallahassee, Florida 32310, United States
| | - Cheng-Yong Su
- Lehn
Institute of Functional Materials, School of Chemistry and Chemical
Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Franc Meyer
- Institut
für Anorganische Chemie, Georg-August Universität Göttingen,
Tammanstraße 4, D-37077 Göttingen, Germany
| | - Mihail Atanasov
- Max Planck Institute for Chemical
Energy Conversion, Stiftstraße 34-36, D-45470 Mülheim
an der Ruhr, Germany
- Institute of General and Inorganic Chemistry,
Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Frank Neese
- Max Planck Institute for Chemical
Energy Conversion, Stiftstraße 34-36, D-45470 Mülheim
an der Ruhr, Germany
| | - Biprajit Sarkar
- Institut für Chemie und Biochemie, Freie Universität
Berlin, Fabeckstraße 34-36, D-14195 Berlin, Germany
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