The dihedral angles between rings in the two ppy ligands are 5.2 (4)° and 5.5 (6)°. Check out our newly installed Bruker 400MHz Avance III HD NMR. X-Ray crystallography Suitable crystals of 1 and 2 were mounted on a Cryoloop ® with a lm of Paratone ® oil, and placed in a cold nitrogen stream on the Bruker-AXS Smart-APEX diffractometer. Both Cu and Mo X-ray sources are simultaneously equipped, ideal for both inorganic and organic samples. determinations were carried out on a Bruker Smart APEX CCD diffractometer.
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In comparison with bis(2-pyridylphenyl)(acetylacetonate) iridium (Ir(ppy)2(acac)) which was reported in the literature (Lamansky et al., 2001), this title complex displays longer Ir-N bond with the same cis-C, C trans-N, N chelate disposition. The D8 VENTURE and accompanying APEX III software are optimized for the collection and processing of single crystal X-ray diffraction data for crystal structure determination. NMR: Spectra were recorded on a Bruker AV 400 or a AV 600 spectrometer in the solvents indicated 1H and 13C chemical shifts ( ) are given in ppm relative to TMS, coupling constants (J) in Hz. Moreover, the Ir-C bond lengths are found to be shorter than the Ir-N bond lengths. MAT 8200 (70 eV), ESIMS: Finnigan MAT 95, accurate mass determinations: Bruker APEX III FT-MS (7 T magnet). In the title compound (I), all the bond lengths and angles fall within normal ranges. We report here the molecular structure of (I), (Fig. Accurate-mass spectra were recorded with a VG analytical 70250-SE double-focussing mass spectrometer using electron-impact ionisation (EI) at 70 eV, or a Bruker Apex III instrument using electrospray ionisation. VariGATR Grazing Angle Germanium-ATR accessory and MCT-A detector. ThermoFisher Scientific Nicolet iS50 FTIR Spectrometer with Harrick Scientific Products Inc. X-ray Powder Diffraction (XRD) Philips Empyrean. These Ir complexes with long excited-stated lifetimes and high luminescent efficiencies can be used in a variety of photonic applications such as photocatalysis and organic light-emitting diodes (Chin et al., 1995). X-ray Diffractometers: Bruker X8 APEX X-Ray Diffractometer.
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A reset link email will be sent with instructions on how to recover your. Single-crystal structures were measured at 296 K using a. Please type in your email address used for your Bruker account. Powder X-ray diraction patterns (PXRD) were obtained using a Bruker AXS D8 Advance powder diractometer. FT-IR spectra were recorded using KBr pellets in the range 4000400 cm1 on a Bruker Tensor 27 spectrophotometer. Transition-metal (Ir) complexes that display intense phosphorescence from metal-to-ligand charge transfer (MLCT) excited states have been widely investigated (Baldo et al., 2000 Pomestcheako et al., 2003 Chen et al., 2003). (C, H, N) was performed using a Vario EL III instrument.
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