66. Domagała M, Grabowski SJ (2009) X-H…π and X-H…N hydrogen bonds—acetylene and
hydrogen cyanide as proton acceptors. Chem Phys 363:42–48
67. Nishio M, Hirota M, Umezawa Y (1998) The CH/π interaction, evidence, nature, and
consequences. Wiley-VCH, New York
68. Grabowski SJ, Ugalde JM (2010) Bond paths show preferable interactions: ab initio and
QTAIM studies on the X-H· · ·π hydrogen bond. J Phys Chem A 114:7223–7229
69. Szymczak JJ, Grabowski SJ, Roszak S, Leszczynski J (2004) H…σ interactions—an ab initio
and ‘atoms in molecules’ study. Chem Phys Lett 393:81–86
70. Grabowski SJ, Sokalski WA, Leszczynski J (2006) Can H…σ, π…H + …σ and σ…H + …σ
interactions be classified as H-bonded? Chem Phys Lett 432:33–39
71. Grabowski SJ (2007) Hydrogen bonds with π and σ electrons as the multicenter proton
acceptors: high level ab initio calculations. J Phys Chem A 111:3387–3393
72. Grabowski SJ (2013) Dihydrogen bond and X-H…σ interaction as sub-classes of hydrogen
bond. J Phys Org Chem 26:452–459
73. Jucks KW, Miller RE (1987) Infrared stark spectroscopy on the hydrogen-HF binary complex.
J Chem Phys 87:5629–5633
74. Moore DT, Miller RE (2003) Dynamics of hydrogen–HF complexes in helium nanodroplets.
J Chem Phys 118:9629–9636
75. Moore DT, Miller RE (2003) Solvation of HF by molecular hydrogen: helium nanodroplet
vibrational spectroscopy. J Phys Chem A 107:10805–10812
76. Moore DT, Miller RE (2004) Rotationally resolved infrared laser spectroscopy of (H 2 ) n -HF
and (D 2 ) n -HF (n = 2-6) in helium nanodroplets. J Phys Chem A 108:1930–1937
77. Bieske EJ, Nizkorodov SA, Bennett FR, Maier JP (1996) The infrared spectrum of the H2–
HCO1 complex. J Chem Phys 102:5152–5164
78. Urban J, Roszak S, Leszczynski J (2001) Shellvation of the ammonium cation by molecular
hydrogen: a theoretical study. Chem Phys Lett 346:512–518
79. Grabowski SJ, Alkorta I, Elguero J (2013) Complexes between dihydrogen and amine,
phosphine, and arsine derivatives. hydrogen bond versus pnictogen interaction. J Phys
Chem A 117:3243–3251
80. Richardson TB, de Gala S, Crabtree RH (1995) Unconventional hydrogen bonds:
intermolecular B-H…H-N interactions. J Am Chem Soc 117:12875–12876
81. Wessel J, Lee JC Jr, Peris E, Yap GPA, Fortin JB, Ricci JS, Sini G, Albinati A, Koetzle TF,
Eisenstein O, Rheingold AL, Crabtree RH (1995) An unconventional intermolecular
three-center N-H…H 2 Re hydrogen bond in crystalline [ReH 5 (PPh 3 ) 3 ]-indole-C 6 H 6 . Angew
Chem Int Ed Engl 34:2507–2509
82. Crabtree RH, Siegbahn PEM, Eisenstein O, Rheingold AL, Koetzle TFA (1996) A new
intermolecular interaction: unconventional hydrogen bonds with element-hydride bonds as
proton acceptor. Acc Chem Res 29:348–354
83. Crabtree RH, Eisenstein O, Sini G, Peris E (1998) New types of hydrogen bonds. J Organomet
Chem 567:7–11
84. Cybulski H, Pecul M, Sadlej J (2003) Characterization of dihydrogen-bonded D-H…H–A
complexes on the basis of infrared and magnetic resonance spectroscopic parameters. J Chem
Phys 119:5094–5104
85. Kubas GJ (2001) Metal dihydrogen and σ-bond complexes. Kluwer, Academic, New York
86. Stephan DW, Erker G (2010) Frustrated Lewis pairs: metal-free hydrogen activation and more.
Angew Chem Int Ed 49:46–76
87. Rokob TA, Bakó I, Stirling A, Hamza A, Pápai I (2013) Reactivity models of hydrogen
activation by frustrated Lewis pairs: synergistic electron transfers or polarization by electric
field? J Am Chem Soc 135:4425–4437
88. Todd A, Keith TK (2011) AIMAll (Version 11.08.23). Gristmill Software, Overland Park KS,
USA (aim.tkgristmill.com)
15 What Can Be Learnt from a Location of Bond Paths …
433
hydrogen cyanide as proton acceptors. Chem Phys 363:42–48
67. Nishio M, Hirota M, Umezawa Y (1998) The CH/π interaction, evidence, nature, and
consequences. Wiley-VCH, New York
68. Grabowski SJ, Ugalde JM (2010) Bond paths show preferable interactions: ab initio and
QTAIM studies on the X-H· · ·π hydrogen bond. J Phys Chem A 114:7223–7229
69. Szymczak JJ, Grabowski SJ, Roszak S, Leszczynski J (2004) H…σ interactions—an ab initio
and ‘atoms in molecules’ study. Chem Phys Lett 393:81–86
70. Grabowski SJ, Sokalski WA, Leszczynski J (2006) Can H…σ, π…H + …σ and σ…H + …σ
interactions be classified as H-bonded? Chem Phys Lett 432:33–39
71. Grabowski SJ (2007) Hydrogen bonds with π and σ electrons as the multicenter proton
acceptors: high level ab initio calculations. J Phys Chem A 111:3387–3393
72. Grabowski SJ (2013) Dihydrogen bond and X-H…σ interaction as sub-classes of hydrogen
bond. J Phys Org Chem 26:452–459
73. Jucks KW, Miller RE (1987) Infrared stark spectroscopy on the hydrogen-HF binary complex.
J Chem Phys 87:5629–5633
74. Moore DT, Miller RE (2003) Dynamics of hydrogen–HF complexes in helium nanodroplets.
J Chem Phys 118:9629–9636
75. Moore DT, Miller RE (2003) Solvation of HF by molecular hydrogen: helium nanodroplet
vibrational spectroscopy. J Phys Chem A 107:10805–10812
76. Moore DT, Miller RE (2004) Rotationally resolved infrared laser spectroscopy of (H 2 ) n -HF
and (D 2 ) n -HF (n = 2-6) in helium nanodroplets. J Phys Chem A 108:1930–1937
77. Bieske EJ, Nizkorodov SA, Bennett FR, Maier JP (1996) The infrared spectrum of the H2–
HCO1 complex. J Chem Phys 102:5152–5164
78. Urban J, Roszak S, Leszczynski J (2001) Shellvation of the ammonium cation by molecular
hydrogen: a theoretical study. Chem Phys Lett 346:512–518
79. Grabowski SJ, Alkorta I, Elguero J (2013) Complexes between dihydrogen and amine,
phosphine, and arsine derivatives. hydrogen bond versus pnictogen interaction. J Phys
Chem A 117:3243–3251
80. Richardson TB, de Gala S, Crabtree RH (1995) Unconventional hydrogen bonds:
intermolecular B-H…H-N interactions. J Am Chem Soc 117:12875–12876
81. Wessel J, Lee JC Jr, Peris E, Yap GPA, Fortin JB, Ricci JS, Sini G, Albinati A, Koetzle TF,
Eisenstein O, Rheingold AL, Crabtree RH (1995) An unconventional intermolecular
three-center N-H…H 2 Re hydrogen bond in crystalline [ReH 5 (PPh 3 ) 3 ]-indole-C 6 H 6 . Angew
Chem Int Ed Engl 34:2507–2509
82. Crabtree RH, Siegbahn PEM, Eisenstein O, Rheingold AL, Koetzle TFA (1996) A new
intermolecular interaction: unconventional hydrogen bonds with element-hydride bonds as
proton acceptor. Acc Chem Res 29:348–354
83. Crabtree RH, Eisenstein O, Sini G, Peris E (1998) New types of hydrogen bonds. J Organomet
Chem 567:7–11
84. Cybulski H, Pecul M, Sadlej J (2003) Characterization of dihydrogen-bonded D-H…H–A
complexes on the basis of infrared and magnetic resonance spectroscopic parameters. J Chem
Phys 119:5094–5104
85. Kubas GJ (2001) Metal dihydrogen and σ-bond complexes. Kluwer, Academic, New York
86. Stephan DW, Erker G (2010) Frustrated Lewis pairs: metal-free hydrogen activation and more.
Angew Chem Int Ed 49:46–76
87. Rokob TA, Bakó I, Stirling A, Hamza A, Pápai I (2013) Reactivity models of hydrogen
activation by frustrated Lewis pairs: synergistic electron transfers or polarization by electric
field? J Am Chem Soc 135:4425–4437
88. Todd A, Keith TK (2011) AIMAll (Version 11.08.23). Gristmill Software, Overland Park KS,
USA (aim.tkgristmill.com)
15 What Can Be Learnt from a Location of Bond Paths …
433