Inter- vs. Intra-Molecular Hydrogen Bond in Complexes of Nitrophthalic Acids with Pyridine
Abstract
:1. Introduction
2. Results and Discussion
2.1. Strength of Hydrogen Bonds and Proton Dynamics in the Studied Complexes
2.2. Steric Analysis Based on X-ray Results of Studied Complexes
3. Materials and Methods
3.1. Compounds and Solvents
3.2. Single Crystal X-ray Structure Determination of Complexes
3.3. Raman and Infrared Measurements
3.4. Car-Parrinello Molecular Dynamics in the Gas and Crystalline Phases
3.5. DFT Calculations
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
Crystal Data | 4NFA-P | 3NFA-P |
---|---|---|
Empirical formula | C13H10N2O6 | C13H10N2O6 |
Formula weight | 290.23 | 290.23 |
Temperature | 100(2) K | 100(2) K |
Wavelength | 1.5418 Å | 1.5418 Å |
Crystal system | Triclinic | Monoclinic |
Space group | P-1(no.2) | P21/n(no.14) |
Unit cell dimensions | a = 8.2455(3) Å, α = 87.866(3)° b = 8.5378(3) Å, β = 84.095(2)° c = 8.5726(3) Å, γ = 88.541(3)° | a = 7.5861(4) Å b = 15.0232(4) Å, β = 104.863(5)° c = 11.3482(5) Å |
Volume | 599.74(4) Å3 | 1250.05(10) Å3 |
Z | 2 | 4 |
Density (calculated) | 1.607 Mg/m3 | 1.542 Mg/m3 |
Absorption coefficient | 1.116 mm−1 | 1.070 mm−1 |
F (000) | 300 | 600 |
Crystal size | 0.19 × 0.18 × 0.07 mm3 | 0.20 × 0.20 × 0.16 mm3 |
Theta range for data collection | 5.185 to 68.254° | 5.891 to 68.022° |
Reflections collected | 3931 | 4776 |
Independent reflections | 2155 [R(int) = 0.0673] | 2239 [R(int) = 0.0152] |
Completeness to theta = 68.254° | 98.2% | 98.9% |
Refinement method | Full-matrix least-squares on F2 | Full-matrix least-squares on F2 |
Data/restraints/parameters | 2155/0/198 | 2239/0/198 |
Goodness-of-fit on F2 | 1.033 | 1.019 |
Final R indices [I > 2sigma(I)] | R1 = 0.0770, wR2 = 0.1902 | R1 = 0.0286, wR2 = 0.0737 |
R indices (all data) | R1 = 0.1440, wR2 = 0.2342 | R1 = 0.0325, wR2 = 0.0767 |
Extinction coefficient | n/a | n/a |
Largest diff. peak and hole | 0.340 and −0.405 e. Å−3 | 0.225 and −0.256 e. Å−3 |
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State, T | Type HB | D-H | H⋅⋅⋅A | D⋅⋅⋅A | D-H⋅⋅⋅A | |
---|---|---|---|---|---|---|
complex | X-ray measurements | |||||
3NFA-P | solid, 100 K | inter O(1)−H(1O)⋅⋅⋅O4i (i = 1/2 + x, 3/2 − y, 1/2 + z) | 0.96(2) | 1.57(2) | 2.526(1) | 176(2) |
- | inter N(2)−H(2N)⋅⋅⋅O(4) | 0.93(2) | 1.74(2) | 2.659(1) | 173(2) | |
4NFA-P | - | intra O(1)−H(1O)⋅⋅⋅O(3) | 1.33(5) | 1.12(5) | 2.425(4) | 164(5) |
- | inter N(2)−H(2N)⋅⋅⋅O(2) | 0.85(5) | 1.85(5) | 2.699(5) | 176(3) | |
CPMD simulations | ||||||
3NFA-P | gas | inter O−H⋅⋅⋅N | 1.0504 | 1.6515 | 2.6725 | |
solid, 297 K | inter O−H⋅⋅⋅O | 1.1138 | 1.4208 | 2.5248 | ||
inter N−H⋅⋅⋅O | 1.7278 | 1.0679 | 2.7409 | |||
solid, 100 K | inter O−H⋅⋅⋅O | 1.0666 | 1.4649 | 2.5277 | ||
inter N−H⋅⋅⋅O | 1.6203 | 1.0716 | 2.6823 | |||
4NFA-P | gas | intra O−H⋅⋅⋅O | 1.0177 | 1.5933 | 2.5680 | |
inter N−H⋅⋅⋅O | 1.0962 | 1.5244 | 2.6065 | |||
solid, 297 K | intra O−H⋅⋅⋅O | 1.0882 | 1.3623 | 2.4392 | ||
inter N−H⋅⋅⋅O | 1.6717 | 1.0717 | 2.7176 | |||
solid, 100 K | intra O−H⋅⋅⋅O | 1.0776 | 1.3651 | 2.4352 | ||
inter N−H⋅⋅⋅O | 1.6301 | 1.0737 | 2.6941 |
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Jóźwiak, K.; Jezierska, A.; Panek, J.J.; Kochel, A.; Filarowski, A. Inter- vs. Intra-Molecular Hydrogen Bond in Complexes of Nitrophthalic Acids with Pyridine. Int. J. Mol. Sci. 2023, 24, 5248. https://doi.org/10.3390/ijms24065248
Jóźwiak K, Jezierska A, Panek JJ, Kochel A, Filarowski A. Inter- vs. Intra-Molecular Hydrogen Bond in Complexes of Nitrophthalic Acids with Pyridine. International Journal of Molecular Sciences. 2023; 24(6):5248. https://doi.org/10.3390/ijms24065248
Chicago/Turabian StyleJóźwiak, Kinga, Aneta Jezierska, Jarosław J. Panek, Andrzej Kochel, and Aleksander Filarowski. 2023. "Inter- vs. Intra-Molecular Hydrogen Bond in Complexes of Nitrophthalic Acids with Pyridine" International Journal of Molecular Sciences 24, no. 6: 5248. https://doi.org/10.3390/ijms24065248