For citations & permissions, please see: Citations & Permissions - Wiley Science Solutions*

*Links on SpectraBase are not permalinks.
[9,9']bifluorenylidene
SpectraBase Compound ID 3cjeuEchCMQ
InChI InChI=1S/C26H16/c1-5-13-21-17(9-1)18-10-2-6-14-22(18)25(21)26-23-15-7-3-11-19(23)20-12-4-8-16-24(20)26/h1-16H
InChIKey NVMYRXGXUBZAIU-UHFFFAOYSA-N
Mol Weight 328.41 g/mol
Molecular Formula C26H16
Exact Mass 328.125201 g/mol
Copyright Copyright © 2002-2025 Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum Chemical Concepts, A Wiley Division, Weinheim, Germany
Copyright Copyright © 2002-2025 Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum Chemical Concepts, A Wiley Division, Weinheim, Germany
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum T-68-5214-0
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum U1-1998-1018-9
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum QE-4-1848-14
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum J-59-5229-0
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum C-117-4475-10
Copyright Copyright © 2016-2025 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent CDCl3
Copyright Copyright © 2016-2025 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Copyright Copyright © 2016-2025 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent CDCl3
Copyright Copyright © 2016-2025 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent CDCl3
  • 9-(9H-fluoren-9-ylidene)-9H-fluorene
  • NVMYRXGXUBZAIU-UHFFFAOYSA-N
  • Tetrabenzo-[5.5]-fulvalene
  • 9H-Fluorene, 9-(9H-fluoren-9-ylidene)-
  • 9,9'-[Bis-(9H)-fluorenylidene]
  • Bifluorenylidene
  • Difluorenylidene
  • Tetrabenzfulvalene
  • Bis[fluorenylidene]
  • Dibiphenyleneethene
  • Diphenyleneethylene
  • Dibiphenyleneethylene
  • 9,9'-Difluorenylidene
  • 9,9'-bis(Fluorenylidene)
  • 9-Fluoren-9-ylidenefluorene
  • 1,2-Bis(biphenylene)ethylene
  • 9-(9-Fluorenylidene)fluorene
  • .delta.9,9'-bifluorene
Title Journal or Book Year
Dications of Fluorenylidenes. Electronic Effects on the Paratropicity/Antiaromaticity of 2,7-Disubstituted Fluorenyl Cations The Journal of Organic Chemistry 1998
Dications of Fluorenylidenes:  Conformational and Electronic Effects on the Paratropicity/Antiaromaticity of Fluorenyl Cations with Cyclic Substituents The Journal of Organic Chemistry 1997

This compound is available in the following databases:

KnowItAll GC-MS Library

Author: Wiley

The KnowItAll Mass Spectral Library offers a comprehensive collection of mass spectra, including the renowned Wiley Registry, and access to a wide range of compounds including pure organics, drugs, steroids, additives, geochemicals, petrochemicals, biomarkers, and more. Learn more.

Unknown Identification

Search your unknown spectrum against the world's largest collection of reference spectra

KnowItAll Campus Solutions

KnowItAll offers faculty and students at your school access to all the tools you need for spectral analysis and structure drawing & publishing! Plus, access the world's largest spectral library.