Distinctive and regular features of the IR spectra of transition metal tris(acetylacetonates)

Slabzhennikov, S. N.; Ryabchenko, O. B.; Kuarton, L. A.

doi:10.1134/s1070328408070130

Cited by 8 publications

(5 citation statements)

References 5 publications

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“…Band assignments using VOFF generally agree with those reported recently for [Cr(acac) 3 ] [57][58][59] and related edtatype complexes of chromium(III) [60]. Finally, vibrational frequencies calculated for [Cr(acac) 3 ] using the present VOFF are in accord with the published values [57], which offers a good prospect for the transferability of VOFF and a convenient tool to study normal modes of different conformations that may not be experimentally accessible.…”

Section: Vibrational Frequencies and Transferability Of Voffsupporting

confidence: 87%

Crystal structure and conformational analysis of s-cis-(acetylacetonato)(ethylenediamine-N,N′-diacetato)-chromium(III)

et al. 2011

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The crystal structure of [Cr(edda)(acac)] (edda = ethylediamine-N,N'-diacetate; acac = acetylacetonato) has been determined by a single crystal X-ray diffraction study at 150 K. The chromium ion is in a distorted octahedral environment coordinated by two N and two O atoms of chelating edda and two O atoms of acac, resulting in s-cis configuration. The complex crystallizes in the space group P2(1)/c of the monoclinic system in a cell of dimensions a = 10.2588(9), b = 15.801(3), c = 8.7015(11) Å, β =101.201(9)° and Z = 4. The mean Cr-N(edda), Cr-O(edda) and Cr-O(acac) bond distances are 2.0829(14), 1.9678(11) and 1.9477(11) Å while the angles O-Cr-O of edda and O-Cr-O of acac are 171.47(5) and 92.72(5)°, respectively. The crystal structure is stabilized by N-H···O hydrogen bonds linking [Cr(edda)(acac)] molecules in distinct linear strands. The visible electronic and IR spectroscopic properties are also discussed. An improved, physically more realistic force field, Vibrationally Optimized Force Field (VOFF), capable of reproducing structural and vibrational properties of [Cr(edda)(acac)] was developed and its transferability demonstrated on selected chromium(III) complexes with similar ligands.

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Section: Vibrational Frequencies and Transferability Of Voffsupporting

confidence: 87%

Crystal structure and conformational analysis of s-cis-(acetylacetonato)(ethylenediamine-N,N′-diacetato)-chromium(III)

et al. 2011

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“…The vibration at 928 cm –1 was due to C–C m stretching vibrations and the CC γ C, CC m H, OCC γ , and MOC bending vibrations. M–O stretching mode and MOC and OCC m bending modes were shown at 550 cm –1 …”

Section: Resultsmentioning

confidence: 93%

“…M-O stretching mode and MOC and OCC m bending modes were shown at 550 cm -1 . [28] The g-C 3 N 4 showed two diffraction peaks, one at 13°which due to the (100) diffraction peak and the other at 27°due to (002) diffraction peak. [29] The amorphous nature of g-C 3 N 4 is depicted by the broad XRD peaks.…”

Section: Structural Characterisationmentioning

confidence: 99%

A Novel [Fe(acac)₃] Interspersed g‐C₃N₄ Heterostructure for Environmentally Benign Visible‐Light‐Driven Oxidation of Alcohols

et al. 2018

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The present work describes facile synthesis of a novel Fe(acac)3 decorated g‐C3N4 heterostructure. Mixing of iron(III) complex with g‐C3N4 thorough simple ultrasonication leads to the formation of the heterostructure. The material was thoroughly characterized by FT‐IR, powder XRD, SEM, TEM, UV/Vis DRS and XPS analysis. The analytical results clearly indicate that the FeIII complex is uniformly interspersed with g‐C3N4. The results also suggest that there exists synergy between two components in the heterostructure for enhance catalytic performance. This novel material was used as heterogeneous catalyst for visible light driven oxidation of a number of alcohols by H2O2. The best ratio of the Fe(acac)3 and g‐C3N4 is determined with PL analysis. Cold LED light was used as source of visible light. Metal complex decorated g‐C3N4 heterostructured materials have been rarely used as catalysts for synthetically useful organic transformations. Thus present work on the use of this materials promises to open up new avenues in future growth in metal complex‐graphitic nitride based heterostructure nanocatalysis.

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“…Further to this, in our hands, the IR data (recorded on a Shimadzu Spirit IR spectrometer, using a diamond ATR attachment and analyzed using the software supplied with the spectrometer) did not match literature values (Table ) nor did it produce an interpretable pattern that linked ν CO to the metal. Therefore, in contrast to previous work where students did not carry out their own mass spectrometry, it was proposed that MS would provide more robust characterization. , Although MS is less commonly used, it has been employed in teaching laboratories for analytical purposes with a view to its use in a research setting. , …”

Section: Discussionmentioning

confidence: 99%

“…Therefore, in contrast to previous work where students did not carry out their own mass spectrometry, it was proposed that MS would provide more robust characterization. 12,31 Although MS is less commonly used, it has been employed in teaching laboratories for analytical purposes with a view to its use in a research setting. 32,33 Despite the fact that the theory of mass spectrometry is covered at pre-university level in the UK, it is an unfamiliar technique to most students in a practical setting.…”

Section: Mass Spectrometric Analysis Of Transition Metal Acetylaceton...mentioning

confidence: 99%

Hands-on Inquiry-Based Qualitative Identification of Metals in Coins Utilizing Atmospheric Pressure Chemical Ionization Mass Spectrometry

et al. 2022

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This paper describes the application of an accessible, benchtop mass spectrometer using an Atmospheric Solids Analysis Probe (ASAP) for easy sample introduction, coupled with Atmospheric Pressure Chemical Ionization (APCI) as a soft ionization technique, to the inquiry-based identification of the metal composition of alloys, including coins. Students experience the preparation of metal acetylacetonates via traditional salt metathesis and electrochemical methods. They are then encouraged to immediately apply these newly acquired skills to a novel research problem. The discovery aspect of the practical demonstrates opportunities to develop experimental design early in the undergraduate curriculum.

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Distinctive and regular features of the IR spectra of transition metal tris(acetylacetonates)

Cited by 8 publications

References 5 publications

Crystal structure and conformational analysis of s-cis-(acetylacetonato)(ethylenediamine-N,N′-diacetato)-chromium(III)

Crystal structure and conformational analysis of s-cis-(acetylacetonato)(ethylenediamine-N,N′-diacetato)-chromium(III)

A Novel [Fe(acac)₃] Interspersed g‐C₃N₄ Heterostructure for Environmentally Benign Visible‐Light‐Driven Oxidation of Alcohols

Hands-on Inquiry-Based Qualitative Identification of Metals in Coins Utilizing Atmospheric Pressure Chemical Ionization Mass Spectrometry

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Distinctive and regular features of the IR spectra of transition metal tris(acetylacetonates)

Cited by 8 publications

References 5 publications

Crystal structure and conformational analysis of s-cis-(acetylacetonato)(ethylenediamine-N,N′-diacetato)-chromium(III)

Crystal structure and conformational analysis of s-cis-(acetylacetonato)(ethylenediamine-N,N′-diacetato)-chromium(III)

A Novel [Fe(acac)3] Interspersed g‐C3N4 Heterostructure for Environmentally Benign Visible‐Light‐Driven Oxidation of Alcohols

Hands-on Inquiry-Based Qualitative Identification of Metals in Coins Utilizing Atmospheric Pressure Chemical Ionization Mass Spectrometry

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A Novel [Fe(acac)₃] Interspersed g‐C₃N₄ Heterostructure for Environmentally Benign Visible‐Light‐Driven Oxidation of Alcohols