0000009864 00000 n US$ 99. Show simple item record. US$ 39.95. 0000025291 00000 n Coexistence of framework Co2+ and non framework Co0 in CoAPO-5. /CropBox [0 0 595.2199707031 842] do not need to formally request permission to reproduce material contained in this Conditions giving known mixed Ge–Co carbonyl clusters were established, and a new high nuclearity cluster anion, [Ge 2 Co 10 (CO) 24] 2− was detected. 0000008774 00000 n Treatment of BiCo$\sb3$(CO)$\sb9$ with PPh$\sb3$ gives $\rm Bi\{Co(CO)\sb3PPh\sb3\}\sb3.$ $\rm Bi\{Co(CO)\sb4\}\sb3, BiCo\sb3(CO)\sb9$, and $\rm Sb\{Co(CO)\sb4\}\sb3$ all react with PhC$\sb2$Ph through an apparent radical mechanism to form Co$\sb2$(CO)$\sb6\{$PhC$\sb2$Ph$\}$ as the only infrared observable product. �%��/�7(�{�aO�w�UM�jʽ��ڐ�U�~�c f��8Y7��S��ݸ}��#q�R8��O���V�i>�t ƌ��[aT�.J�r1���ٚ��x�HR����+AS��%[����gw����a�}� �[gk��œe��0(u�Y])ծ�S��hIs���;ܲ /Contents 11 0 R of the whole article in a thesis or dissertation. /Rotate 0 The unstable antimony complex was determined to be Sb$\rm \{Co(CO)\sb4\}\sb3$ by the similarity of its infrared spectrum with that of known $\rm Bi\{Co(CO)\sb4\}\sb3$. /Contents 20 0 R 0000056572 00000 n The adsorption of Co2(CO)8 onto dehydrated NaY powder under a N2 atmosphere and into a tetrahydrofuran slurry of NaY under a CO/H2 atmosphere predominately yielded supported Co4(CO)12 and supported Co6(CO)16, respectively. The results of the research provide further indications of the potential of zeolite cages as microreactors for the preparation of metal clusters with controlled nuclearites. it in a third party non-RSC publication you must Vibrational Frequencies of Unsaturated Transition Metal Nitrosyls. 0000002433 00000 n C-centered cobalt carbonyl clusters bearing one unpaired elec-tron.12 No hyperfine structure associated with coupling to the Co (I = 7/2) or P (I = 1/2) atoms is evident in the spectra. Infrared and 23Na Double Rotation Nuclear Magnetic Resonance Studies for Intrazeolite Anchoring of Rhodium Carbonyl Clusters. /Length 23 0 R In all cases the Ref. article provided that the correct acknowledgement is given with the reproduced material. 0000032372 00000 n In Order to Read Online or Download Synthesis And Structural Characterization Of Phosphido And Arsenido Bridged Cobalt Carbonyl Clusters Full eBooks in PDF, EPUB, Tuebl and Mobi you need to create a Free account. 0000010892 00000 n /Resources 19 0 R 0000003600 00000 n Authors contributing to RSC publications (journal articles, books or book chapters) >> 0000008180 00000 n to access the full features of the site or access our. Corresponding reactions of [μ4-Si{Co2(CO)7}2] with [Co(CO)4]− were also investigated. Each contains a Group 14 element tetrahedrally surrounded by four trigonal bipyramidal Co(CO)$\sb4$ groups. These complexes are electron rich and do not conform to conventional bonding formalisms. Reducing BiCo$\sb3$(CO)$\sb9$ produces (Bi$\sb2$Co$\sb4$(CO)$\sb{11}$) $\sp-$ and (Co(CO)$\sb4\rbrack \sp-$. /MediaBox [0 0 595.2199707031 842] 0000010098 00000 n 0000005464 00000 n Synthesis And Structural Characterization Of Phosphido And Arsenido Bridged Cobalt Carbonyl Clusters In Order to Read Online or Download Synthesis And Structural Characterization Of Phosphido And Arsenido Bridged Cobalt Carbonyl Clusters Full eBooks in PDF, EPUB, Tuebl and Mobi you need to create a Free account. /Parent 2 0 R Conditions for its formation were optimised and it was subsequently isolated as its [Et4N]+ salt and characterised by single-crystal X-ray crystallography. /Count 5 The … 0000023209 00000 n The C(1) C(2) C(3) fragment is half way between acrylic and acetylene–carboxylic acid. /CropBox [0 0 595.2199707031 842] contained in this article in third party publications 3 0 obj /Version /1.4 /Rotate 0 Dicobalt octacarbonyl is the organometallic compound with composition Co2(CO)8. The reactivity is highest for the reactions with O2 and intermediate for CO, while the clusters are nearly inert toward N2. The molecular cobalt−carbonyl clusters and their decarbonylated products have been structurally characterized by in situ infrared, extended X-ray … 0000002655 00000 n The reaction of [μ4-Ge{Co2(CO)7}2] with [Co(CO)4]− has been monitored by electrospray mass spectrometry to detect the cluster anions generated. Please reconnect. * The molecular cobalt−carbonyl clusters and their decarbonylated products have been structurally characterized by in situ infrared, extended X-ray absorption fine structure (EXAFS), and diffuse reflectance spectroscopies and NO chemisorption. 0000007750 00000 n 0000013489 00000 n Reactions of Laser-Ablated Fe, Co, and Ni with NO:  Infrared Spectra and Density Functional Calculations of MNO+ and M(NO)x (M = Fe, Co, x = 1−3; M = Ni, x = 1, 2), and M(NO)x- (M = Co, Ni; x = 1, 2). Please note: If you switch to a different device, you may be asked to login again with only your ACS ID. Extended Huckel calculations agree with observed structural changes that upon reduction of the monoanion, the added electron enters an antibonding orbital primarily localized between two cobalt atoms bridged by a carbonyl. 0000027155 00000 n 0000027429 00000 n 0000013718 00000 n Reactions of CCo3 carbonyl clusters Co3(μ3-CR)(CO)9 with 2,4,6-trimethyl-1,3,5-trithiane (SMe3) have given Co3(μ3-CR)(μ3-SMe3)(CO)6 [R = H (1), CCSiMe3 (2)]. /Type /Page /CropBox [0 0 595.2199707031 842] /Rotate 0 Corresponding authors, a 0000017307 00000 n /Contents 14 0 R << The Ge2Co10 cluster core has a novel geometry with the two germanium atoms in semi-encapsulated positions, forming seven formal Ge–Co bonds. Kazu Okumura, Masakazu Nakanishi, Hiromitsu Takaba. Structures of cobalt(II)-exchanged zeolite X. Synthesis and properties of inclusion compounds: Zeolites containing encapsulated transition-metal complexes.

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