organic compounds
Naphthalene-1-carbaldehyde oxime
a325 Science Center, State University of New York at Fredonia, Fredonia, NY 14063, USA
*Correspondence e-mail: allan.cardenas@fredonia.edu
The title compound, C11H9NO, crystallizes with two molecules, A and B, with similar conformations (r.m.s. overlay fit = 0.030 Å) in the the C—C=N⋯O torsion angles are −177.8 (3) and −179.1 (3)°. In the crystal, molecules are linked by alternating O—H⋯N (A → B) and O—H⋯O (B → A) hydrogen bonds to generate [100] chains. A weak C—H⋯O interaction is also observed.
CCDC reference: 1588319
Structure description
Compounds containing the oxime ) and also as nitroxyl (HNO) donors (Sha et al., 2006). are generally reactive; however, conjugation leads to an increase in stability of this (Kömel, 2017), which is observed in the title compound that was studied as part of an undergraduate project devoted to single-crystal X-ray diffraction.
have been the subject of interest for many years due to many their functions as synthetic congeners or precursors, as substrates for bioconjugation reaction (Kömel & Kool, 2017The title compound crystallizes in the orthorhombic P212121. There are two molecules, A (containing N1) and B (containing N2) in the (Fig. 1). The bond distances for the oxime are 1.281 (4) and 1.399 (4) Å for C1=N1 and N1—O1, respectively (molecule A) and 1.278 (5) and 1.401 (4) Å for C12=N2 and N2—O2, respectively (molecule B). The angle for C=N—O is 111.0 (3) (molecule A) and 111.3 (3)° (molecule B). These values are comparable to those in the same molecule co-crystallized with tetrabutylammonium cations and fluoride anions (Rosen et al., 2013).
In the extended structure, O—H⋯N (A –> B) and O—H⋯O (B –> A) hydrogen bonds link the molecules into [100] chains (Table 1, Fig. 2). A weak C—H⋯O interaction is also observed.
Synthesis and crystallization
The title oxime was synthesized using the reported procedure of Rosen et al. (2013). Colourless needles were recrystallized from dichloromethane solution.
Refinement
Crystal data, data collection and structure . The absolute structure/chirality was indeterminate in the present refinement.
details are summarized in Table 2Structural data
CCDC reference: 1588319
https://doi.org/10.1107/S2414314617017205/hb4179sup1.cif
contains datablock I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2414314617017205/hb4179Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2414314617017205/hb4179Isup3.cml
Data collection: APEX2 (Bruker, 2016); cell
SAINT (Bruker, 2016); data reduction: SAINT (Bruker, 2016); program(s) used to solve structure: SHELXT (Sheldrick, 2015); program(s) used to refine structure: olex2.refine (Bourhis et al., 2015); molecular graphics: OLEX2 (Dolomanov et al., 2009); software used to prepare material for publication: OLEX2 (Dolomanov et al., 2009).C11H9NO | Dx = 1.309 Mg m−3 |
Mr = 171.20 | Mo Kα radiation, λ = 0.71073 Å |
Orthorhombic, P212121 | Cell parameters from 1679 reflections |
a = 6.0506 (8) Å | θ = 3.1–27.3° |
b = 13.7423 (18) Å | µ = 0.09 mm−1 |
c = 20.886 (3) Å | T = 150 K |
V = 1736.7 (4) Å3 | Needle, clear colourless |
Z = 8 | 0.50 × 0.10 × 0.10 mm |
F(000) = 720.3282 |
Bruker APEXII CCD diffractometer | Rint = 0.077 |
Absorption correction: multi-scan (SADABS; Bruker, 2016) | θmax = 26.0°, θmin = 3.3° |
Tmin = 0.678, Tmax = 0.746 | h = −7→7 |
8745 measured reflections | k = −18→16 |
3390 independent reflections | l = −26→27 |
2106 reflections with I > 2σ(I) |
Refinement on F2 | 36 constraints |
Least-squares matrix: full | Primary atom site location: dual |
R[F2 > 2σ(F2)] = 0.069 | All H-atom parameters refined |
wR(F2) = 0.139 | w = 1/[σ2(Fo2) + (0.0462P)2 + 0.5394P] where P = (Fo2 + 2Fc2)/3 |
S = 1.04 | (Δ/σ)max = 0.002 |
3390 reflections | Δρmax = 0.40 e Å−3 |
237 parameters | Δρmin = −0.46 e Å−3 |
0 restraints | Absolute structure: unk |
x | y | z | Uiso*/Ueq | ||
O1 | 0.8084 (5) | 0.74706 (19) | 0.04014 (14) | 0.0416 (8) | |
H1 | 0.823 (5) | 0.8017 (9) | 0.0227 (16) | 0.0624 (11)* | |
N1 | 0.6345 (5) | 0.7510 (2) | 0.08423 (14) | 0.0314 (8) | |
C1 | 0.5986 (7) | 0.6671 (3) | 0.10891 (17) | 0.0315 (10) | |
H1a | 0.6895 (7) | 0.6136 (3) | 0.09740 (17) | 0.0378 (12)* | |
C2 | 0.4174 (6) | 0.6533 (3) | 0.15500 (17) | 0.0256 (9) | |
C3 | 0.2503 (7) | 0.7215 (3) | 0.1597 (2) | 0.0355 (10) | |
H3 | 0.2534 (7) | 0.7774 (3) | 0.1330 (2) | 0.0426 (13)* | |
C4 | 0.0769 (7) | 0.7093 (3) | 0.2030 (2) | 0.0421 (11) | |
H4 | −0.0347 (7) | 0.7577 (3) | 0.2061 (2) | 0.0505 (14)* | |
C5 | 0.0664 (7) | 0.6287 (3) | 0.2408 (2) | 0.0415 (12) | |
H5 | −0.0535 (7) | 0.6211 (3) | 0.2698 (2) | 0.0498 (14)* | |
C6 | 0.2303 (7) | 0.5570 (3) | 0.23757 (16) | 0.0313 (10) | |
C7 | 0.2237 (7) | 0.4731 (3) | 0.27754 (18) | 0.0403 (11) | |
H7 | 0.1044 (7) | 0.4645 (3) | 0.30657 (18) | 0.0484 (14)* | |
C8 | 0.3859 (8) | 0.4055 (3) | 0.27451 (19) | 0.0452 (12) | |
H8 | 0.3778 (8) | 0.3495 (3) | 0.30107 (19) | 0.0543 (15)* | |
C9 | 0.5660 (7) | 0.4168 (3) | 0.23276 (18) | 0.0380 (11) | |
H9 | 0.6797 (7) | 0.3691 (3) | 0.23166 (18) | 0.0456 (13)* | |
C10 | 0.5776 (7) | 0.4967 (3) | 0.19358 (18) | 0.0301 (9) | |
H10 | 0.6994 (7) | 0.5036 (3) | 0.16521 (18) | 0.0361 (11)* | |
C11 | 0.4108 (6) | 0.5691 (3) | 0.19476 (17) | 0.0243 (9) | |
O2 | 0.5555 (5) | 0.92557 (18) | −0.04725 (14) | 0.0380 (7) | |
H2 | 0.507 (4) | 0.8683 (8) | −0.0472 (17) | 0.0570 (11)* | |
N2 | 0.7406 (5) | 0.9316 (2) | −0.00713 (14) | 0.0285 (8) | |
C12 | 0.7995 (6) | 1.0199 (3) | 0.00150 (17) | 0.0297 (9) | |
H12 | 0.7167 (6) | 1.0704 (3) | −0.01825 (17) | 0.0356 (11)* | |
C13 | 0.9902 (6) | 1.0455 (2) | 0.04078 (16) | 0.0244 (9) | |
C14 | 1.1498 (6) | 0.9772 (3) | 0.05384 (17) | 0.0286 (9) | |
H14 | 1.1352 (6) | 0.9136 (3) | 0.03645 (17) | 0.0343 (11)* | |
C15 | 1.3321 (7) | 0.9985 (3) | 0.09178 (17) | 0.0335 (10) | |
H15 | 1.4389 (7) | 0.9496 (3) | 0.10032 (17) | 0.0402 (12)* | |
C16 | 1.3585 (7) | 1.0891 (3) | 0.11676 (18) | 0.0359 (10) | |
H16 | 1.4837 (7) | 1.1031 (3) | 0.14262 (18) | 0.0431 (12)* | |
C17 | 1.2003 (6) | 1.1630 (3) | 0.10446 (16) | 0.0270 (9) | |
C18 | 1.2236 (7) | 1.2576 (3) | 0.13064 (17) | 0.0356 (11) | |
H18 | 1.3501 (7) | 1.2724 (3) | 0.15579 (17) | 0.0428 (13)* | |
C19 | 1.0696 (8) | 1.3274 (3) | 0.12058 (19) | 0.0383 (11) | |
H19 | 1.0872 (8) | 1.3900 (3) | 0.13919 (19) | 0.0460 (13)* | |
C20 | 0.8845 (8) | 1.3073 (3) | 0.08279 (18) | 0.0356 (11) | |
H20 | 0.7776 (8) | 1.3568 (3) | 0.07551 (18) | 0.0428 (13)* | |
C21 | 0.8553 (7) | 1.2169 (3) | 0.05604 (18) | 0.0322 (10) | |
H21 | 0.7290 (7) | 1.2043 (3) | 0.03031 (18) | 0.0386 (12)* | |
C22 | 1.0139 (6) | 1.1419 (3) | 0.06679 (16) | 0.0244 (9) |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0419 (17) | 0.0351 (17) | 0.0478 (17) | 0.0067 (16) | 0.0178 (16) | 0.0087 (14) |
N1 | 0.029 (2) | 0.036 (2) | 0.0295 (17) | 0.0005 (18) | 0.0009 (17) | 0.0025 (16) |
C1 | 0.035 (2) | 0.026 (2) | 0.034 (2) | 0.006 (2) | 0.003 (2) | 0.0017 (18) |
C2 | 0.023 (2) | 0.025 (2) | 0.029 (2) | −0.004 (2) | −0.0020 (19) | −0.0052 (17) |
C3 | 0.029 (2) | 0.032 (2) | 0.046 (2) | 0.001 (2) | −0.010 (2) | −0.005 (2) |
C4 | 0.025 (2) | 0.043 (3) | 0.059 (3) | 0.004 (2) | 0.001 (3) | −0.019 (2) |
C5 | 0.024 (2) | 0.051 (3) | 0.049 (3) | −0.011 (2) | 0.012 (2) | −0.023 (2) |
C6 | 0.027 (2) | 0.044 (3) | 0.023 (2) | −0.009 (2) | −0.0017 (19) | −0.0135 (19) |
C7 | 0.034 (3) | 0.055 (3) | 0.032 (2) | −0.024 (3) | 0.002 (2) | −0.002 (2) |
C8 | 0.050 (3) | 0.046 (3) | 0.040 (3) | −0.020 (3) | −0.018 (2) | 0.014 (2) |
C9 | 0.035 (3) | 0.036 (2) | 0.042 (2) | −0.009 (2) | −0.009 (2) | 0.006 (2) |
C10 | 0.024 (2) | 0.029 (2) | 0.037 (2) | −0.006 (2) | −0.002 (2) | 0.0026 (18) |
C11 | 0.022 (2) | 0.026 (2) | 0.0246 (19) | −0.0066 (19) | −0.0037 (19) | −0.0070 (17) |
O2 | 0.0285 (15) | 0.0326 (15) | 0.0530 (17) | −0.0075 (15) | −0.0088 (16) | −0.0036 (15) |
N2 | 0.0243 (18) | 0.0275 (18) | 0.0336 (17) | 0.0001 (16) | 0.0037 (17) | −0.0038 (15) |
C12 | 0.029 (2) | 0.027 (2) | 0.034 (2) | −0.0015 (19) | −0.002 (2) | −0.0004 (18) |
C13 | 0.029 (2) | 0.0231 (19) | 0.0207 (18) | −0.0050 (18) | 0.0014 (18) | 0.0042 (16) |
C14 | 0.029 (2) | 0.028 (2) | 0.029 (2) | 0.006 (2) | 0.002 (2) | 0.0020 (18) |
C15 | 0.029 (2) | 0.039 (3) | 0.033 (2) | 0.005 (2) | 0.000 (2) | 0.002 (2) |
C16 | 0.026 (2) | 0.054 (3) | 0.028 (2) | −0.001 (2) | −0.002 (2) | 0.005 (2) |
C17 | 0.022 (2) | 0.037 (2) | 0.0222 (19) | −0.0055 (19) | 0.0010 (19) | 0.0054 (18) |
C18 | 0.037 (3) | 0.043 (3) | 0.027 (2) | −0.010 (2) | −0.001 (2) | 0.000 (2) |
C19 | 0.053 (3) | 0.024 (2) | 0.038 (2) | −0.005 (2) | 0.005 (2) | −0.0056 (19) |
C20 | 0.041 (3) | 0.026 (2) | 0.039 (2) | 0.000 (2) | 0.004 (2) | −0.004 (2) |
C21 | 0.033 (3) | 0.034 (2) | 0.029 (2) | −0.005 (2) | −0.002 (2) | 0.0068 (19) |
C22 | 0.025 (2) | 0.025 (2) | 0.023 (2) | −0.0016 (18) | 0.0026 (17) | 0.0070 (16) |
O1—H1 | 0.839 (18) | O2—H2 | 0.840 (13) |
O1—N1 | 1.399 (4) | O2—N2 | 1.401 (4) |
N1—C1 | 1.281 (4) | N2—C12 | 1.277 (4) |
C1—H1a | 0.9500 (6) | C12—H12 | 0.951 (6) |
C1—C2 | 1.471 (5) | C12—C13 | 1.459 (5) |
C2—C3 | 1.381 (5) | C13—C14 | 1.374 (5) |
C2—C11 | 1.425 (5) | C13—C22 | 1.439 (5) |
C3—H3 | 0.9500 (6) | C14—H14 | 0.949 (6) |
C3—C4 | 1.395 (6) | C14—C15 | 1.389 (5) |
C4—H4 | 0.951 (6) | C15—H15 | 0.950 (6) |
C4—C5 | 1.362 (6) | C15—C16 | 1.359 (5) |
C5—H5 | 0.950 (6) | C16—H16 | 0.950 (6) |
C5—C6 | 1.401 (6) | C16—C17 | 1.418 (6) |
C6—C7 | 1.424 (6) | C17—C18 | 1.418 (5) |
C6—C11 | 1.421 (5) | C17—C22 | 1.405 (5) |
C7—H7 | 0.950 (6) | C18—H18 | 0.950 (6) |
C7—C8 | 1.352 (6) | C18—C19 | 1.353 (6) |
C8—H8 | 0.951 (6) | C19—H19 | 0.951 (6) |
C8—C9 | 1.404 (6) | C19—C20 | 1.398 (6) |
C9—H9 | 0.950 (6) | C20—H20 | 0.950 (6) |
C9—C10 | 1.371 (5) | C20—C21 | 1.374 (5) |
C10—H10 | 0.950 (6) | C21—H21 | 0.950 (6) |
C10—C11 | 1.418 (5) | C21—C22 | 1.426 (5) |
N1—O1—H1 | 109 (2) | N2—O2—H2 | 110 (2) |
C1—N1—O1 | 111.0 (3) | C12—N2—O2 | 111.3 (3) |
H1a—C1—N1 | 119.8 (2) | H12—C12—N2 | 119.0 (2) |
C2—C1—N1 | 120.4 (4) | C13—C12—N2 | 121.9 (4) |
C2—C1—H1a | 119.8 (2) | C13—C12—H12 | 119.0 (2) |
C3—C2—C1 | 120.3 (3) | C14—C13—C12 | 120.2 (3) |
C11—C2—C1 | 120.4 (3) | C22—C13—C12 | 120.9 (3) |
C11—C2—C3 | 119.3 (4) | C22—C13—C14 | 118.9 (3) |
H3—C3—C2 | 119.5 (2) | H14—C14—C13 | 119.1 (2) |
C4—C3—C2 | 121.0 (4) | C15—C14—C13 | 121.8 (4) |
C4—C3—H3 | 119.5 (3) | C15—C14—H14 | 119.1 (2) |
H4—C4—C3 | 119.7 (3) | H15—C15—C14 | 119.8 (2) |
C5—C4—C3 | 120.6 (4) | C16—C15—C14 | 120.4 (4) |
C5—C4—H4 | 119.7 (3) | C16—C15—H15 | 119.8 (3) |
H5—C5—C4 | 119.6 (3) | H16—C16—C15 | 119.8 (3) |
C6—C5—C4 | 120.7 (4) | C17—C16—C15 | 120.4 (4) |
C6—C5—H5 | 119.6 (2) | C17—C16—H16 | 119.8 (2) |
C7—C6—C5 | 121.4 (4) | C18—C17—C16 | 121.3 (4) |
C11—C6—C5 | 119.5 (4) | C22—C17—C16 | 119.7 (4) |
C11—C6—C7 | 119.0 (4) | C22—C17—C18 | 119.0 (4) |
H7—C7—C6 | 119.7 (3) | H18—C18—C17 | 119.3 (2) |
C8—C7—C6 | 120.5 (4) | C19—C18—C17 | 121.4 (4) |
C8—C7—H7 | 119.7 (3) | C19—C18—H18 | 119.3 (2) |
H8—C8—C7 | 119.5 (3) | H19—C19—C18 | 120.0 (2) |
C9—C8—C7 | 121.1 (4) | C20—C19—C18 | 120.0 (4) |
C9—C8—H8 | 119.5 (3) | C20—C19—H19 | 120.0 (2) |
H9—C9—C8 | 120.1 (3) | H20—C20—C19 | 119.6 (2) |
C10—C9—C8 | 119.9 (4) | C21—C20—C19 | 120.7 (4) |
C10—C9—H9 | 120.1 (3) | C21—C20—H20 | 119.6 (3) |
H10—C10—C9 | 119.5 (3) | H21—C21—C20 | 119.9 (3) |
C11—C10—C9 | 121.0 (4) | C22—C21—C20 | 120.2 (4) |
C11—C10—H10 | 119.5 (2) | C22—C21—H21 | 119.9 (2) |
C6—C11—C2 | 118.9 (3) | C17—C22—C13 | 118.8 (3) |
C10—C11—C2 | 122.7 (3) | C21—C22—C13 | 122.6 (3) |
C10—C11—C6 | 118.4 (3) | C21—C22—C17 | 118.6 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N2 | 0.84 (2) | 1.96 (2) | 2.752 (4) | 158 (3) |
O2—H2···O1i | 0.84 (1) | 2.00 (2) | 2.808 (4) | 163 (2) |
C1—H1A···O2ii | 0.95 (1) | 2.51 (1) | 3.305 (5) | 142 (1) |
Symmetry codes: (i) x−1/2, −y+3/2, −z; (ii) x+1/2, −y+3/2, −z. |
Funding information
The authors thank the Department of Chemistry and Biochemistry of the State University of New York at Fredonia for funding and use of the diffractometer.
References
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