Pressure-induced phase transition of 1-butyl-3-methylimidazolium hexafluorophosphate [bmim][PF₆]

References

• Hamaguchi , H. and Ozawa , R. 2005 . Structure of ionic liquids and ionic liquid compounds: Are ionic liquids genuine liquids in the conventional sense? . Adv. Chem. Phys. , 131 : 85 – 104 .
   Web of Science ®Google Scholar
• Nishikawa , K. , Wang , S. and Tozaki , K. 2008 . Rhythmic melting and crystallizing of ionic liquid 1-butyl-3-methylimidazolium bromide . Chem. Phys. Lett. , 458 : 88 – 91 .
   Google Scholar
• Seki , S. , Hayamizu , K. , Tsuzaki , S. , Fujii , K. , Umebayashi , Y. , Mitsugi , T. , Kobayashi , T. , Ohno , Y. , Kobayashi , Y. , Mita , Y. , Miyashiro , H. and Ishiguro , S. 2009 . Relationship between center atom species (N, P) and ionic conductivity, density, self-diffusion coefficient of quaternary cation room-temperature ionic liquids . Phys. Chem. Chem. Phys. , 11 : 3509 – 3514 .
   PubMedGoogle Scholar
• Nishikawa , K. , Wang , S. , Endo , T. and Tozaki , K. 2009 . Melting and crystallization behaviors of ionic liquid, 1-isopropyl-3-methylimidazolium bromide, studies by using nanowatt-stabilized differential scanning calorimetry . Bull. Chem. Soc. Jpn , 82 : 806 – 812 .
   Google Scholar
• Su , L. , Li , L. , Hu , Y. , Yuan , C. , Shao , C. and Hong , S. 2009 . Phase transition of [Cn-mim][PF6] under high pressure up to 1.0 GPa . J. Chem. Phys. , 130 : 184503-1 – 4 .
   Google Scholar
• Su , L. , Li , M. , Zhu , X. , Wang , Z. , Chen , Z. , Li , F. , Zho , Q. and Hong , S. 2010 . In-situ crystallization of low-melting ionic liquid [BMIM][PF6] under high pressure up to 2 GPa . J. Phys. Chem. B , 114 : 5061 – 5065 .
   PubMed Web of Science ®Google Scholar
• Endo , T. , Kato , T. , Tozaki , K. and Nishikawa , K. 2010 . Phase behaviors of room temperature ionic liquid linked with cation conformational changes: 1-Butyl-3-methylimidazolium hexafluorophosphate . J. Phys. Chem. B , 114 : 407 – 411 .
   PubMedGoogle Scholar
• Mao , H. K. , Bell , P. M. , Shaner , J. W. and Steinberg , D. J. 1978 . Specific volume measurements of Cu, Mo, Pd, and Ag and calibration of the ruby R1 fluorescence pressure gauge from 0.06 to 1 Mbar . J. Appl. Phys. , 49 : 3276 – 3283 .
   Web of Science ®Google Scholar
• Ozawa , R. , Hayashi , S. , Saha , S. , Kobayashi , A. and Hamaguchi , H. 2003 . Rotational isomerism and structure of the 1-butyl-3-methylimidazolim cation in the ionic liquid state . Chem. Lett. , 32 : 948 – 949 .
   Web of Science ®Google Scholar
• Takekiyo , T. , Hatano , N. , Imai , Y. , Abe , H. and Yoshimura , Y. Alkyl-chain length dependence on the stability of pressure-induced conformational change of imidazolium-based ionic liquids . in preparation
   Google Scholar
• Taniguchi , Y. , Takaya , H. , Wong , P. T.T. and Whaley , E. 1981 . Effect of pressure on molecular conformations. II. Trans–gauche equilibrium of 1,2-dichloroethane and 1,2-dibromoethane . J. Chem. Phys. , 75 : 4815 – 4822 .
   Google Scholar
• Kato , M. and Taniguchi , Y. 1990 . Effect of pressure on conformational equilibria of liquid 1-chloropropane and 1-bromopropane . J. Chem. Phys. , 93 : 4345 – 4348 .
   Google Scholar
• Schoen , P. E. , Proest , R. G. , Sheridan , J. P. and Schnur , J. M. 1979 . Pressure induced changes in liquid alkane chain conformation . J. Chem. Phys. , 71 : 317 – 323 .
   Web of Science ®Google Scholar
• Kato , M. and Taniguchi , Y. 1991 . High pressure study on molecular conformational equilibria of n-pentane . J. Chem. Phys. , 94 : 4440 – 4445 .
   Google Scholar
• Taniguchi , Y. 1985 . Effect of pressure on rotational isomers in solution: Infrared and Raman spectroscopies . J. Mol. Struct., , 126 : 241 – 250 .
   Google Scholar
• Takekiyo , T. and Yoshimura , Y. 2007 . Raman spectroscopic study on the hydration structures of tetraethylammonium cation in water . J. Phys. Chem. A , 110 : 10829 – 10833 .
   Google Scholar