Theoretical study of the structure and stability of cage-substituted icosahedral closo-boranes, alanes, and gallanes M i M′12 − i H 12 2− (M, M′ = B, Al, and Ga; i = 0–12)

2011 ◽  
Vol 56 (11) ◽  
pp. 1775-1781 ◽  
Author(s):  
O. P. Charkin
2020 ◽  
Vol 124 (52) ◽  
pp. 28520-28530
Author(s):  
Katharina C. L. Bauerfeind ◽  
Ramona Roß ◽  
Thomas Bredow

2003 ◽  
Vol 633 (1) ◽  
pp. 57-65 ◽  
Author(s):  
Alvaro Cimas ◽  
Carmen Barrientos ◽  
Antonio Largo

1981 ◽  
Vol 46 (1) ◽  
pp. 31-39 ◽  
Author(s):  
Pavol Zahradník ◽  
Elena Ďurčíková ◽  
Jaroslav Leška

Semiempirical CNDO/2 method was used in the study of 23 quasiaromatic azulene analogues containing a hydrogen bridge A..H-D, where A and D denote O, NH, or S. The values of the stabilization energy, interaction energy, and changes of Wiberg's indexes suggest that the stability of the studied compounds is caused by a strong hydrogen bond as well as by a strong delocalization of the π-electron system. Derivatives in which A and D are O and NH are especially stable. Derivatives containing an oxo or thio group are preferred in tautomeric equilibriums.


1998 ◽  
Vol 287 (5-6) ◽  
pp. 620-626 ◽  
Author(s):  
J.R. Sambrano ◽  
J. Andrés ◽  
A. Beltrán ◽  
F. Sensato ◽  
E. Longo

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