4.2. Dissociative equilibria between 3- and 4-coordinate boron probed using 19F NMR shifts

DOI: 10.14469/hpc/10261 Metadata

Created: 2022-03-22 09:58

Last modified: 2022-06-08 12:21

Author: Henry Rzepa

License: Creative Commons: Public Domain Dedication 1.0

Funding: P81664: "catalytic dir amidation react".

Description

Gaussian 16 calculations of 19F NMR chemical shifts.

Member of collection / collaboration

DOIDescription
10.14469/hpc/8772 A computational tool to accurately and quickly predict 19F NMR shifts of molecules with fluorine-carbon and fluorine-boron bonds.

Members

DOIDescription
10.14469/hpc/10396 NMR Experimental data for difluoro(phenyl)borane
10.14469/hpc/10262 p-F-Ph-BF3 (-) 0.0 Cs d-aug-cc-pvdz
10.14469/hpc/10263 p-F-Ph-BF3 (-) 90.0 Cs d-aug-cc-pvdz
10.14469/hpc/10264 CFCl3 DMSO d-aug-cc-pvdz
10.14469/hpc/10265 p-F-Ph-BF3 (-) 90.0 Cs aug-cc-pvdz
10.14469/hpc/10266 p-F-Ph-BF3 (-) 0.0 Cs aug-cc-pvdz
10.14469/hpc/10273 97, diaxial, d-aug-cc-pvdz on F, aug-cc-pvdz on Si
10.14469/hpc/10274 PhBF2---thf syn G = -688.470846
10.14469/hpc/10279 UYELAN, 19F -56.4 19F expt Benzene -58.8 calc
10.14469/hpc/10283 NUJQUE, open form (-54.5) CDCl3 calc -88, -94.
10.14469/hpc/10285 ZICMIJ, -149.1, closed form CDCl3 calc -156.7, G = -934.313438
10.14469/hpc/10290 TAKWIO, -61.6, -52.8 C6D6 (open form only) calc -56.5, -60.8 and -13.1
10.14469/hpc/10291 PhBF2---thf in thf syn open G = -688.471430 DG = 5.9
10.14469/hpc/10293 CICPEM, open form, CDCl3 G = -890.104512
10.14469/hpc/10295 CICPEM, closed form, CDCl3 G = -890.142043 DG = 23.5
10.14469/hpc/10296 ZICMIJ, open form as inflexion point (hidden intermediate) G = -934.291585 DG = 13.7 19F = -81.2, -86.7
10.14469/hpc/10297 LOCNOJ closed, G = -1158.171541 F = -166.3
10.14469/hpc/10298 LOCNOJ open G = -1158.120089
10.14469/hpc/10299 CUJSEG, closed form, R=H, CDCl3, Cs symmetry 19F = -174.1 G = -1623.187374
10.14469/hpc/10300 Formic acid in formic acid G = -189.729859
10.14469/hpc/10301 acetic acid in acetic acid G = -229.021554
10.14469/hpc/10302 CFCl3 in chloroform
10.14469/hpc/10303 CFCl3 in acetonitrile
10.14469/hpc/10304 CFCl3 in formic acid
10.14469/hpc/10305 CFCl3 in acetic acid
10.14469/hpc/10306 PhBF2+formic acid, closed, G = -645.879151 19F -149.1, -154.1 = 151.6
10.14469/hpc/10307 PhBF2 in acetic acid
10.14469/hpc/10308 PhBF2 in formic acid
10.14469/hpc/10310 PhBF2+acetic acid, closed G = -685.174107 (+4.2)
10.14469/hpc/10312 Thiophene in thiophene G = -552.930385
10.14469/hpc/10313 PhBF2 in pyridine G = -456.159663
10.14469/hpc/10314 PhBF2 in thiophene G = -456.158297
10.14469/hpc/10315 Pyridine in pyridine G = -248.166807
10.14469/hpc/10316 PhBF2 in thiophene, closed
10.14469/hpc/10317 CFCl3 in thiophene
10.14469/hpc/10318 CFCl3 in pyridine
10.14469/hpc/10319 CFCl3 in acetonitrile
10.14469/hpc/10320 CFCl3 in chloroform
10.14469/hpc/10321 CFCl3 in thf
10.14469/hpc/10322 PhBF2+pyridine, closed, -168.2, -169.1 (-168.7) G = -704.290940
10.14469/hpc/10324 CUJSEG, open form, CDCl3, R=H G = -1623.122442
10.14469/hpc/10329 TAKWIO, in thf as solvent, G = -1935.764941
10.14469/hpc/10330 UYELAN, open, in thf G = -1317.971665 (thf G = -232.321333, total = -1,550.292998
10.14469/hpc/10334 TAKWIO, closed with thf in thf G = -2168.068514 (-2,168.086274 separate) DG = 11.1
10.14469/hpc/10335 UYELAN, closed with thf in thf G = -1550.279298 DG = 8.6
10.14469/hpc/10284 NUJQUE, closed form (-54.5) in CDCl3 -139.4 G = -795.885689
10.14469/hpc/10338 Sulfolane, G = -705.690341
10.14469/hpc/10339 PhBF2 in sulfolane, G = -456.159277 (sum = -1,161.849618)
10.14469/hpc/10340 PhBF2-sulfolane in sulfolane, G = -1161.844527 ( = +0.34)
10.14469/hpc/10288 Acetonitrile, C3v in acetonitrile G = -132.706481. Sum of individual separated components, -588.865732
10.14469/hpc/10281 PhBF2-acetonitrile in acetonitrile, bound 4-coordinate form, G = -588.860266 (separated -588.865732) DG = +3.4
10.14469/hpc/10289 PhBF2 in acetonitrile 3-coordinate form, G = -456.159251 Sum of individual separated components, -588.865732
10.14469/hpc/10294 PhBF2 in acetonitrile, as separated 3-coordinate supermolecule G = -588.858360 DG = 1.2 compared to closed form.
10.14469/hpc/10287 PhBF2 in thf G = -456.158729 Combined individual energies G = -688.480062
10.14469/hpc/10278 thf in thf G =-232.321333. Combined individual energies G = -688.480062
10.14469/hpc/10277 PhBF2---thf in thf syn closed G = -688.480827 (separated -688.480062) DG = -0.48 kcal/mol
10.14469/hpc/10286 PhBF2---thf in thf syn 3-coordinate supermolecule, G = -688.466399
10.14469/hpc/10389 BF3.OEt2 in pyridine. wB97XD/aug-cc-pvdz, B Isotropic =

Edit