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Volumn 1, Issue 12, 2010, Pages 1830-1835

Ab initio molecular dynamics study of an aqueous solution of [Fe(bpy) 3](Cl)2 in the low-spin and in the high-spin states

Author keywords

[No Author keywords available]

Indexed keywords

AB INITIO MOLECULAR DYNAMICS; AQUEOUS SOLUTIONS; FE COMPLEXES; HIGH SPIN STATE; PHOTO-INDUCED; REACTION COORDINATES; SOLVATION SHELL; SPIN-SPIN; THERMAL FLUCTUATIONS; ULTRAFAST SPECTROSCOPY; WATER MOLECULE;

EID: 77953781288     PISSN: None     EISSN: 19487185     Source Type: Journal    
DOI: 10.1021/jz100548m     Document Type: Article
Times cited : (63)

References (35)
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    • The coordination number is the value of the running coordination number cn(r) at the radius of the first solvation shell, which is given by the minimum of the RDF after the first peak
    • The coordination number is the value of the running coordination number cn(r) at the radius of the first solvation shell, which is given by the minimum of the RDF after the first peak.
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    • For an accurate comparison of the LS and HS coordination numbers, the RDFs should be calculated with the same radial grid because the coordination number is sensitive to the determination of the radius of the first solvation shell. Using for the calculation of the HS Fe-O RDF the same 0.1 Å radial grid as that for the LS Fe-O RDF, the radius determined for the first solvation shell in the HS state remains unchanged at ∼6.3 Å. However, the calculated HS RDF becomes noisier because of the small simulation time accessible for the HS state. The larger simulation times accessible within a QM/MM approach for both spin states will allow us to increase the resolution of the RDFs, thus making their comparison more accurate
    • For an accurate comparison of the LS and HS coordination numbers, the RDFs should be calculated with the same radial grid because the coordination number is sensitive to the determination of the radius of the first solvation shell. Using for the calculation of the HS Fe-O RDF the same 0.1 Å radial grid as that for the LS Fe-O RDF, the radius determined for the first solvation shell in the HS state remains unchanged at ∼6.3 Å. However, the calculated HS RDF becomes noisier because of the small simulation time accessible for the HS state. The larger simulation times accessible within a QM/MM approach for both spin states will allow us to increase the resolution of the RDFs, thus making their comparison more accurate.
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