Synthesis and Crystal Structures of Two Novel O, N-Containing Spiro Compounds
Abstract
:1. Introduction
2. Results and Discussion
2.1. Crystal Structures
2.2. Spectroscopic Properties
3. Experimental Section
3.1. Materials and Methods
3.2. Preparation of Two Spiro Compounds
3.3. Crystallography
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Selected Bond Lengths for 1 | Selected Bond Lengths for 2 | ||
C(11)–N(1) | 1.422(6) | N(2)–C(7) | 1.3248(18) |
N(1)–C(10) | 1.308(7) | N(2)–C(1) | 1.4023(18) |
C(10)–C(8) | 1.371(7) | C(9)–C(7) | 1.366(2) |
C(8)–C(9) | 1.437(8) | C(8)–C(9) | 1.445(2) |
C(8)–C(7) | 1.448(6) | C(9)–C(10) | 1.456(2) |
Cl(1)–C(14) | 1.735(5) | C(2)–N(1) | 1.4634(19) |
Selected Bond Angles for 1 | Selected Bond Angles for 2 | ||
C(10)–N(1)–C(11) | 124.4(4) | C(7)–N(2)–C(1) | 125.57(12) |
N(1)–C(10)–C(8) | 127.0(5) | N(2)–C(7)–C(9) | 125.05(14) |
C(16)–C(11)–C(12) | 119.3(5) | C(7)–C(9)–C(10) | 117.25(14) |
C(16)–C(11)–N(1) | 119.3(4) | C(8)–C(9)–C(10) | 120.39(14) |
C(10)–C(8)–C(9) | 116.7(4) | C(6)–C(1)–C(2) | 116.79(13) |
C(10)–C(8)–C(7) | 122.4(5) | C(6)–C(1)–N(2) | 121.34(13) |
C(9)–C(8)–C(7) | 119.6(5) | C(2)–C(1)–N(2) | 121.87(12) |
D–H···A | Symmetry | D–H (Å) | H···A (Å) | D···A (Å) | ∠D–H···A (°) |
---|---|---|---|---|---|
N(1)–H(1A)···O(2) 1 | intra | 0.86 | 2.168 | 2.783(6) | 128.3 |
N(1)–H(1A)···O(2) 1 | −2−x, 1−y, 1−z | 0.86 | 2.539 | 3.311(7) | 149.8 |
C(10)–H(10A)···O(1) 1 | intra | 0.93 | 2.420 | 2.767(7) | 102.0 |
C(10)–H(10A)···O(1) 1 | −1−x, −y, 1−z | 0.93 | 2.550 | 3.469(7) | 169.7 |
C(12)–H(12A)···O(1) 1 | −1−x, −y, 1−z | 0.93 | 2.346 | 3.188(7) | 150.4 |
C(16)–H(16A)···O(2) 1 | −2−x, 1−y, 1−z | 0.93 | 2.463 | 3.291(7) | 148.3 |
C(5)–H(5B)···Cg(3) a 1 | −2−x, −y, 1−z | 0.97 | 3.254 | 3.790 | 116.6 |
N(2)–H(2A)···O(2) 2 | intra | 0.86 | 2.041 | 2.6809(19) | 130.6 |
N(2)–H(2A)···O(4) 2 | intra | 0.86 | 2.103 | 2.7429(17) | 130.8 |
N(2)–H(2A)···N(1) 2 | intra | 0.86 | 2.582 | 2.911(2) | 125.2 |
C(2)–H(7A)···O(3) 2 | intra | 0.93 | 2.462 | 2.798(2) | 101.4 |
C(4)–H(4A)···O(1) 2 | x, 5/2−y, −1/2+z | 0.93 | 2.589 | 3.368(2) | 141.7 |
C(14)–H(4A)···O(3) 2 | 1−x, 1−y, −z | 0.97 | 2.562 | 3.465(3) | 154.9 |
Ring | Symmetry | Dihedral angels (°) | π···π (Å) | Centroid to centroid distances (Å) | |
Cg(2)···Cg(2) b 2 | 2−x, −y, −z | 0 | 3.701 | 3.465 |
Compounds | 1 | 2 |
---|---|---|
Empirical formula | C16H16ClNO4 | C16H16N2O6 |
Color/shape | yellow/block | yellow/block |
Formula weight | 321.75 | 332.31 |
Crystal system | triclinic | monoclinic |
Space group | P-1 | P21/c |
Unit cell dimensions | a = 5.9448(12) Å α = 100.28(3)° | a = 12.472(3) Å α = 90° |
b = 9.782(2) Å β = 100.66(3)° | b = 11.856(2) Å β = 99.83(3)° | |
c = 13.480(3) Å γ = 97.83(3)° | c = 10.643(2) Å γ = 90° | |
Volume | 746.3(3) Å3 | 1550.7(5) Å3 |
Z | 2 | 4 |
Density (calculated) | 1.432 g·cm−3 | 1.423 g·cm−3 |
Absorption coefficient | 0.274 mm−1 | 0.110 mm−1 |
F(000) | 336 | 696 |
Crystal size | 0.15 × 0.10 × 0.08 mm3 | 0.25 × 0.22 × 0.12 mm3 |
Theta range for data collection | 3.15°–25.25° | 3.25°–27.48° |
Limiting indices | −6 ≤ h ≤ 7, −11 ≤ k ≤ 11, −16 ≤ l ≤ 1 | −16 ≤ h ≤ 16, −15 ≤ k ≤ 15, −13 ≤ l ≤ 13 |
Reflections collected | 6027 | 14428 |
Independent reflections (Rint) | 2701 (0.0497) | 3552 (0.0379) |
Reflections observed (I > 2σ(I)) | 1007 | 2471 |
Refinement method | Full-matrix least-squares on F2 | Full-matrix least-squares on F2 |
Data/restraints/parameters | 2701/0/199 | 3552/0/217 |
Goodness-of-fit on F2 | 1.041 | 1.059 |
R1/wR2 (I > 2σ(I)) R1/wR2 (all data) | 0.0544 / 0.1538 0.1661 / 0.2587 | 0.0444 / 0.1187 0.0677 / 0.1345 |
Largest diff. peak and hole | 0.421 and −0.359 e Å−3 | 0.273 and −0.227 e Å−3 |
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Zeng, W.; Jiang, J. Synthesis and Crystal Structures of Two Novel O, N-Containing Spiro Compounds. Crystals 2016, 6, 69. https://doi.org/10.3390/cryst6060069
Zeng W, Jiang J. Synthesis and Crystal Structures of Two Novel O, N-Containing Spiro Compounds. Crystals. 2016; 6(6):69. https://doi.org/10.3390/cryst6060069
Chicago/Turabian StyleZeng, Wulan, and Jinhe Jiang. 2016. "Synthesis and Crystal Structures of Two Novel O, N-Containing Spiro Compounds" Crystals 6, no. 6: 69. https://doi.org/10.3390/cryst6060069