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Hiraoka, K.

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Hiraoka, K.; Kebarle, P., Condensation reactions involving carbonium ions in the gas phase synthesis of protonated acids in gaseous methane containing carbon monoxide and water vapor, J. Am. Chem. Soc., 1977, 99, 366. [all data]

Sharma, R.B.; Sharma, D.K.S.; Hiraoka, K.; Kebarle, P., Kinetics and equilibria of chloride transfer reactions. Stabilities of carbocations based on chloride and hydride transfer equilibria measurements, J. Am. Chem. Soc., 1985, 107, 3747. [all data]

Hiraoka, K.; Shoda, T.; Morise, K.; Yamabe, S.; Kawai, E.; Hirao, K., Stability and structure of cluster ions in the gas phase: Carbon dioxide with Cl^-, H₃O⁺, HCO₂⁺ and HCO⁺, J. Chem. Phys., 1986, 84, 2091. [all data]

Yamabe, S.; Furumiya, Y.; Hiraoka, K.; Morise, K., Theoretical Van't Hoff plots of gas phase ion equilibria of Cl- ion in water, methanol and acetonitrile, Chem. Phys. Lett., 1986, 131, 261. [all data]

Hiraoka, K.; Nasu, M.; Fujimaki, S., Gas-Phase Positive and Negative Ion - Molecule Reactions in NF3, J. Phys. Chem., 1995, 99, 15822. [all data]

Hiraoka, K.; Takimoto, H.; Morise, K.; Shoda, T.; Nakamura, S., Ion-Molecule Reactions in Gaseous Acetone, Bull. Chem. Soc. Japan, 1986, 59, 7, 2247, https://doi.org/10.1246/bcsj.59.2247 . [all data]

Hiraoka, K., Relation Between Gas Phase Stepwise and Bulk Solvation of Cl^- with Water and Aliphatic Alcohols, Bull. Chem. Soc. Japan, 1987, 60, 7, 2555, https://doi.org/10.1246/bcsj.60.2555 . [all data]

Hiraoka, K.; Mizuse, S., Gas-Phase Solvation of Cl- with H2O, CH3OH, C2H4OH, i-C3H7OH, n-C3H7OH, and t-C4H9OH, Chem. Phys., 1987, 118, 3, 457, https://doi.org/10.1016/0301-0104(87)85078-4 . [all data]

Hiraoka, K., Determination of the Stabilities of O₃^-(N₂)n, O₃^-(O₂)n, and O₄^-(N₂)n from Measurements of the Gas Phase Equilibria, Chem. Phys., 1988, 125, 2-3, 439, https://doi.org/10.1016/0301-0104(88)87096-4 . [all data]

Hiraoka, K.; Mizuse, S.; Yamabe, S., Determination of the Stabilities and Structures of X-(C6H6) Clusters (X = Cl, Br, and I), Chem. Phys. Lett., 1988, 147, 2-3, 174, https://doi.org/10.1016/0009-2614(88)85078-4 . [all data]

Hiraoka, K.; Mizure, S.; Yamabe, S.; Nakatsuji, Y., Gas Phase Clustering Reactions of CN^- and CH₂CN^- with MeCN, Chem. Phys. Lett., 1988, 148, 6, 497, https://doi.org/10.1016/0009-2614(88)80320-8 . [all data]

Hiraoka, K.; Fujimaki, S.; Aruga, K.; Yamabe, S., Bond Strengths of the Gas-Phase Cluster Ions X-(CS2)n (X = F, Cl, Br and I), Chem. Phys. Lett., 1993, 208, 5-6, 491, https://doi.org/10.1016/0009-2614(93)87178-6 . [all data]

Hiraoka, K.; Shimizu, A.; Minamitsu, A.; Nasu, M.; Fujimaki, S.; Yamabe, S., The small binding energies of the negative cluster ions: SF5-(SF6)1, SF6-(SF6)1 and F-(SF6)n (n=1 and 2), in the gas phase, Chem. Phys. Lett., 1995, 241, 5-6, 623, https://doi.org/10.1016/0009-2614(95)00676-U . [all data]

Hiraoka, K.; Iino, T.; Eguchi, D.; Mizuno, T.; Yamabe, S., Dimer formation of NO ligands in the gas-phase halide ion clusters X-(NO)(n) enhanced by a frontier orbital interaction, Chem. Phys. Lett., 2000, 323, 1-2, 155-159, https://doi.org/10.1016/S0009-2614(00)00503-0 . [all data]

Hiraoka, K.; Mochizuki, N.; Wada, A.; Okada, H.; Ichikawa, T.; Asakawa, D.; Yazawa, I., Gas-phase ion/molecule reactions in C2F4, Int. J. Mass Spectrom., 2008, 272, 1, 22-28, https://doi.org/10.1016/j.ijms.2007.12.013 . [all data]

Hiraoka, K.; Morise, K.; Nishijima, T.; Nakamura, S.; Nakazato, M.; Ohkuma, K., Gas Phase Ion Equilibria Studies of Protons and Chloride Ions in Propanol and Acetone, Int. J. Mass Spectrom. Ion Proc., 1986, 68, 1-2, 99, https://doi.org/10.1016/0168-1176(86)87071-9 . [all data]

Hiraoka, K.; Yamabe, S., Solvation of Halide Ions with CH3OH in the gas Phase, Int. J. Mass Spectrom. Ion Proc., 1991, 109, 133, https://doi.org/10.1016/0168-1176(91)85101-Q . [all data]

Wada, A.; Kikkawa, A.; Sugiyama, T.; Hiraoka, K., Thermochemical Stabilities of the Gas-phase Cluster Ions of Halide Ions with Rare Gas Atoms, Int. J. Mass Spectrom.., 2007, 267, 1-3, 284-287, https://doi.org/10.1016/j.ijms.2007.02.053 . [all data]

Hiraoka, K.; Mizuse, S.; Yamabe, S., A Determination of the Stability and Structure of F^-(C₆H₆) and F^-(C₆F₆) Clusters, J. Chem. Phys., 1987, 86, 7, 4102, https://doi.org/10.1063/1.451920 . [all data]

Hiraoka, K.; Mizuse, S.; Yamabe, S., Stability and Structure of Cluster Ions: Halide Ions with CO2, J. Chem. Phys., 1987, 87, 6, 3647, https://doi.org/10.1063/1.452962 . [all data]

Hiraoka, K., A Determination of the Stability of O₂⁺(O₂)n and O₂^-(O₂)n with n=1-8 from Measurements of the Gas Phase Ion Equilibria, J. Chem. Phys., 1888, 89, 5, 3190, https://doi.org/10.1063/1.454976 . [all data]

Hiraoka, K.; Yamabe, S., Formation of the Chelate Bonds in the Cluster O2(-)(CO2)n, CO3(-)(CO2)n, and NO2(-)(CO2)n, J. Chem. Phys., 1992, 97, 1, 643, https://doi.org/10.1063/1.463560 . [all data]

Hiraoka, K.; Nasu, M.; Oomori, D.; Minamitsu, A., Bond Energy Oscillation in the Cluster Ion NO+(NO)n, J. Chem. Phys., 1996, 105, 20, 9068, https://doi.org/10.1063/1.472740 . [all data]

Hiraoka, K.; Mizuno, T.; Eguchi, D.; Takao, K.; Iino, T.; Yamabe, S., Gas-phase ion/molecule reactions in octafluorocyclobutane, J. Chem. Phys., 2002, 116, 17, 7574-7582, https://doi.org/10.1063/1.1400787 . [all data]

Hiraoka, K.; Mizuse, S.; Yamabe, S., High Symmetric Structure of the Gas Phase Ion Cluster X^-..C₆F6 (X = Cl, Br, I), J. Phys. Chem., 1987, 91, 20, 5294, https://doi.org/10.1021/j100304a032 . [all data]

Hiraoka, K.; Mizuse, S.; Yamabe, S., Solvation of Halide Ions with H₂O and CH₃CN in the Gas Phase, J. Phys. Chem., 1988, 92, 13, 3943, https://doi.org/10.1021/j100324a051 . [all data]

Hiraoka, K.; Mizuse, S.; Yamabe, S., Stabilities and Structures of C6F6-(C6F6) and C6F6+(C6F6), J. Phys. Chem., 1990, 94, 9, 3689, https://doi.org/10.1021/j100372a061 . [all data]

Hiraoka, K.; Fujimaki, S.; Aruga, K.; Yamabe, S., Gas-phase clustering reactions of O2(-), NO-, and O- with N2O: Isomeric structures for (NO-N2O)(-), J. Phys. Chem., 1994, 98, 34, 8295, https://doi.org/10.1021/j100085a006 . [all data]

Hiraoka, K.; Fujimaki, S.; Aruga, K., Frontier-controlled Structures of the Gas Phas Clusters A+/-(CS2)n, A+/- = S2+, CS2+, S2-, and CS2-, J. Phys. Chem. (1994), 1994, 98, 7, 1802-1809, https://doi.org/10.1021/j100058a014 . [all data]

Hiraoka, K.; Nasu, M.; Minamitsu, A.; Shimizu, A.; Yamabe, S., On the structure and stability of gas-phase cluster ions SiF3+(CO)(n), SiF3OH2+(SiF4)(n), SiF4H+(SiF4)(n), and F- (SiF4)(n), J. Phys. Chem. A, 2000, 104, 36, 8353-8359, https://doi.org/10.1021/jp000525d . [all data]

Hiraoka, K.; Mizuno, T.; Iino, T.; Eguchi, D.; Yamabe, S., Characteristic changes of bond energies for gas-phase cluster ions of halide ions with methane and chloromethanes, J. Phys. Chem. A, 2001, 105, 20, 4887-4893, https://doi.org/10.1021/jp010143n . [all data]

Hiraoka, K.; Takao, K.; Lino, T.; Nakagawa, F.; Suyama, H.; Mizuno, T.; Yamabe, S., Gas-phase ion-molecule reactions in C3F6, J. Phys. Chem. A, 2002, 106, 4, 603-611, https://doi.org/10.1021/jp0116306 . [all data]

Hiraoka, K.; Fujita, K.; Ishida, M.; Ichikawa, T.; Okada, H.; Hiizumi, K.; Wada, A.; Takao, K.; Yamabe, S.; Tsuchida, N., Gas-phase Ion/Molecule Reactions in C5F8, J. Phys. Chem. A (2005), 1905, 109, 6, 1049-1056., https://doi.org/10.1021/jp040251k . [all data]

Hiraoka, K.; Grimsrud, E.P.; Kebarle, P., Gas Phase Ion Equilibria Studies of the Hydrogen Ion in Water - Dimethyl Ether and Methanol - Dimethyl Ether Mixtures, J. Am. Chem. Soc., 1974, 96, 11, 3359, https://doi.org/10.1021/ja00818a004 . [all data]

Hiraoka, K.; Kebarle, P., Stability and Structure of H3CO+ Formed from COH+ + H2 at Low Temperature, J. Chem. Phys., 1975, 63, 4, 1688, https://doi.org/10.1063/1.431499 . [all data]

Hiraoka, K.; Kebarle, P., A Determination of the Stabilities of H5+, H7+, H9+, and H11+ from Measurement of the Gas Phase Ion Equilibria Hn+ + H2 = H(n + 2)+ (n = 3, 5, 7, 9), J. Chem. Phys., 1975, 62, 6, 2267, https://doi.org/10.1063/1.430751 . [all data]

Hiraoka, K.; Kebarle, P., Energetics, Stabilities and Possible Structures of CH5+(CH4)n Clusters from Gas Phase Study of Equilibria CH5+(CH4)n - 1 + CH4 = CH5+(CH4)n for n = 1 - 5, J. Am. Chem. Soc., 1975, 97, 15, 4179, https://doi.org/10.1021/ja00848a005 . [all data]

Hiraoka, K.; Kebarle, P., Stabilities and Energetics of Pentacoordinated Carbonium Ions. The Isomeric C2H7+ Ions and Some Higher Analogues: C3H9+ and C4H11+, J. Am. Chem. Soc., 1976, 98, 20, 6119, https://doi.org/10.1021/ja00436a009 . [all data]

Hiraoka, K.; Kebarle, P., Condensation Reactions Involving Carbonium Ions and Lewis Bases in the Gas Phase. Hydration of the t - Butyl Cation, J. Am. Chem., 1977, 99, 2, 360, https://doi.org/10.1021/ja00444a008 . [all data]

Hiraoka, K.; Kebarle, P., Gas Phase Ion Equilibria Studies of the Proton in Hydrogen Sulfide and Hydrogen Sulfide - Water Mixtures. Stabilities of the Hydrogen Bonded Complexes H+(H2S)x(H2O)y, Can. J. Chem., 1977, 55, 1, 24, https://doi.org/10.1139/v77-005 . [all data]

Hiraoka, K.; Saluja, P.P.S.; Kebarle, P., Stabilities of Complexes (N2)nH+, (CO)nH+ and (O2)nH+ for n = 1 to 7 Based on Gas Phase Ion Equilibrium Measurements, Can. J. Chem., 1979, 57, 16, 2159, https://doi.org/10.1139/v79-346 . [all data]

Hiraoka, K.; Kebarle, P., Ion Molecule Reactions in Ethane. Thermochemistry and Structures of the Intermediate Complexes: C4H11+ and C4H10+ Formed in the Reactions of C2H5+ and C2H4+ with C2H6, Can. J. Chem., 1980, 58, 21, 2262, https://doi.org/10.1139/v80-364 . [all data]

Hiraoka, K.; Morise, K.; Shoda, T., Diffusion of Positive and Negative Ions in the Plasma Produced by Electron Impact, Int. J. Mass Spectrom. Ion Proc., 1985, 67, 1, 11, https://doi.org/10.1016/0168-1176(85)83034-2 . [all data]

Hiraoka, K.; Takimoto, H., Gas-Phase Stabilities of Symmetric Proton-Held Dimer Cations, J. Phys. Chem., 1986, 90, 22, 5910, https://doi.org/10.1021/j100280a090 . [all data]

Hiraoka, K.; Takimoto, H.; Morise, K., Gas-Phase Hydration Reactions of Protonated Alcohols. Energetics and Bulk Hydration of Cluster Ions, J. Am. Chem. Soc., 1986, 108, 19, 5683, https://doi.org/10.1021/ja00279a004 . [all data]

Hiraoka, K., A Determination of the Stabilities of H3+(H2)n with n=1-9 from Measurements of the gas-Phase Ion Equilibria H3+(H2)n-1 + H2 = H3+(H2)n, J. Chem. Phys., 1987, 87, 7, 4048, https://doi.org/10.1063/1.452909 . [all data]

Hiraoka, K.; Takimoto, H.; Yamabe, S., Stabilities and Structures in Cluster Ions of Five-Membered Heterocyclic Compounds Containing O, N and S Atoms, J. Am. Chem. Soc., 1987, 109, 24, 7346, https://doi.org/10.1021/ja00258a018 . [all data]

Hiraoka, K.; Nakajima, G., A Determination of the Stabilities of N2+(N2)n and O2+(N2)n with n = 1 - 11 from Measurements of the Gas - Phase Ion Equilibria, J. Chem. Phys., 1988, 88, 12, 7709, https://doi.org/10.1063/1.454285 . [all data]

Hiraoka, K.; Nakajima, G.; Shoda, S., Determination of the Stabilities of CO2+(CO2)n and O2+(CO2)n Clusters with n = 1 - 6, Chem. Phys. Lett., 1988, 146, 6, 535, https://doi.org/10.1016/0009-2614(88)87495-5 . [all data]

Hiraoka, K., A Determination of the Stabilities of O2+(O2)n and O2-(O2)n with n = 1 - 8 from Measurements of the Gas-Phase Ion Equilibria, J. Chem. Phys., 1988, 89, 5, 3190, https://doi.org/10.1063/1.454976 . [all data]

Hiraoka, K.; Mori, T., Thermochemical Stabilities of D3+(D2)n with n = 1 - 10, Chem. Phys. Lett., 1989, 157, 5, 467, https://doi.org/10.1016/0009-2614(89)87282-3 . [all data]

Hiraoka, K.; Mori, T., Formation and Stabilities of Cluster Ions Arn+, J. Chem. Phys., 1989, 90, 12, 7143, https://doi.org/10.1063/1.456245 . [all data]

Hiraoka, K.; Mori, T., Gas Phase Stabilities of the Cluster Ions H+(CO)2(CO)n, H+(N2)2(N2)n and H+(O2)2(O2)n with n = 1 - 14, Chem. Phys., 1989, 137, 1-3, 345, https://doi.org/10.1016/0301-0104(89)87119-8 . [all data]

Hiraoka, K.; Mori, T., Gas - Phase Stability and Structure of Cluster Ions CH5+(CH4)n with n = 1 - 9, Chem. Phys. Lett., 1989, 161, 2, 111, https://doi.org/10.1016/0009-2614(89)85040-7 . [all data]

Hiraoka, K.; Mori, T., Isotope Effect and Nature of Bonding in the Cluster Ions H3+(Ar)n and D3+(Ar)n, J. Chem. Phys., 1989, 91, 8, 4821, https://doi.org/10.1063/1.456720 . [all data]

Hiraoka, K.; Yamabe, S., How are Nitrogen Molecules Bound to NO2+ and NO+?, J. Chem. Phys., 1989, 90, 6, 3268, https://doi.org/10.1063/1.455880 . [all data]

Hiraoka, K.; Yamabe, S., Stabilities of the N3+(N2)n Cluster Ions with n = 1 - 11, Chem. Phys. Lett., 1989, 154, 2, 139, https://doi.org/10.1016/S0009-2614(89)87275-6 . [all data]

Hiraoka, K.; Mori, T., Stability of Rare - Gas Cluster Ions, J. Chem. Phys., 1990, 92, 7, 4408, https://doi.org/10.1063/1.457751 . [all data]

Hiraoka, K.; Fujimaki, S.; Aruga, K.; Yamabe, S., Stability and Structure of Benzene Dimer Cation (C6H6)2+, J. Chem. Phys., 1991, 95, 11, 8413, https://doi.org/10.1063/1.461270 . [all data]

Hiraoka, K.; Kudaka, I.; Yamabe, S., A Charge-Transfer Complex CH3+ Ar in the Gas Phase, Chem. Phys. Lett., 1991, 178, 1, 103, https://doi.org/10.1016/0009-2614(91)85060-A . [all data]

Hiraoka, K.; Kudaka, I.; Yamabe, S., Gas-Phase Solvation of CH5+ with H2, Chem. Phys. Lett., 1991, 184, 4, 271, https://doi.org/10.1016/0009-2614(91)85122-D . [all data]

Hiraoka, K.; Mori, T., On the formation of the Isomeric Cluster Ions (CO)n+, J. Chem. Phys., 1991, 94, 4, 2697, https://doi.org/10.1063/1.459844 . [all data]

Hiraoka, K.; Yamabe, S., Cluster Ions: Gas Phase Stabilities of NO+(O2)n and NO+(CO2)n with n = 1 - 5, J. Chem. Phys., 1991, 95, 9, 6800, https://doi.org/10.1063/1.461518 . [all data]

Hiraoka, K.; Mori, T.; Yamabe, S., Gas-Phase Solvation of N2+ with Ar Atoms - A Charge Switch in the Reaction N2+(Ar)...Ar+(N2), Chem. Phys. Lett., 1992, 189, 1, 7, https://doi.org/10.1016/0009-2614(92)85144-Y . [all data]

Hiraoka, K.; Aruga, K.; Fujimaki, S.; Yamabe, S., Comparative Study of the Gas Phase Bond Strengths of CO2 and N2O with the Halide Ions, J. Am. Soc. Mass Spectrom., 1993, 4, 1, 58, https://doi.org/10.1016/1044-0305(93)85043-W . [all data]

Hiraoka, K.; Fujimaki, S.; Aruga, K., Proton-Held Dimer and Trimer of Carbon Disulfide, Chem. Phys. Lett., 1993, 202, 1-2, 167, https://doi.org/10.1016/0009-2614(93)85367-W . [all data]

Hiraoka, K.; Mori, T.; Yamabe, S., The Gas-Phase Solvation of C2H5+, s-C3H7+ and s-C4H9+ with CH4. The Isomeric Structures of C2H5+ and C2H5+.CH4, Chem. Phys. Lett., 1993, 207, 2-3, 178, https://doi.org/10.1016/0009-2614(93)87011-Q . [all data]

Hiraoka, K.; Fujimaki, S.; Aruga, K.; Yamabe, S., Frontier-Controlled Structures of the Gas-Phase A+-(CS2)n Clusters ,A+- = S2+, CS2+, S2-, and CS2-, J. Phys. Chem., 1994, 98, 7, 1802, https://doi.org/10.1021/j100058a014 . [all data]

Hiraoka, K.; Fujimaki, S.; Aruga, K.; Sato, T.; Yamabe, S., Gas-Phase Solavtion of NO+, O2+, N2O+, and H3O+ with N2O, J. Chem. Phys., 1994, 101, 5, 4073, https://doi.org/10.1063/1.467524 . [all data]

Hiraoka, K.; Nasu, M.; Fujimaki, S.; Ignacio, E.W.; Yamabe, S., Weak Ion-Molecule Complexes of F-(CF4)n and CF3-(CF4)n, Chem Phys. Let., 1995, 245, 1, 14, https://doi.org/10.1016/0009-2614(95)00980-I . [all data]

Hiraoka, K.; Shimizu, A.; Minamitsu, A.; Nasu, M. Fujimaki, Gas-Phase Stability of Cluster Ions SFm+(SF6)n with m = 0-5 and n = 1-3, J. Am. Soc. Mass Spectrom., 1995, 6, 12, 1137, https://doi.org/10.1016/1044-0305(95)00583-8 . [all data]

Hiraoka, K.; Nasu, M.; Fujimaki, S.; Ignacio, E.W.; Yamabe, S., Gas-Phase Stability and Structure of the Cluster Ions CF3+(CO)n, CF3+(N2)n, CF3+((CF4)n, and CF4H+(CF4)n, J. Phys. Chem., 1996, 100, 13, 5245, https://doi.org/10.1021/jp9530010 . [all data]

Sharma, R.B.; Sen Sharma, D.K.; Hiraoka, K.; Kebarle, P., Kinetics and equilibria of chloride transfer reactions. Stabilities of carbocations based on chloride and hydride transfer equilibria measurements, J. Am. Chem. Soc., 1985, 107, 3747. [all data]