organic compounds
1-Diazonaphthalen-2(1H)-one
aDepartment of Applied Chemistry, Kyushu Institute of Technology, 1-1 Sensuicho, Tobata, Kitakyushu 804-8550, Japan, and bInstitute for Materials Chemistry and Engineering, Kyushu University, 6-1, Kasugako-en, Kasuga 816-8580, Japan
*Correspondence e-mail: kita@che.kyutech.ac.jp
The molecule of the title compound, C10H6N2O, is nearly planar [maximum deviation = 0.030 (1) Å]. The CN2 moiety is almost linear, with a C—N—N angle of 175.50 (14)°. A single intermolecular C—H⋯O hydrogen bond is observed in the A π–π interaction is also observed with the shortest distance being 3.6832 (12) Å between the the centroids of the six-membered rings.
Related literature
For the synthesis, see: Kitamura et al. (2010). For the of related diazonaphthoquinones, see: Seidel et al. (1989); Ferreira et al. (2006). For an example of the utility of the diazonaphthoquinones, see Reiser et al. (1996).
Experimental
Crystal data
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Refinement
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Data collection: PROCESS-AUTO (Rigaku, 1998); cell PROCESS-AUTO; data reduction: CrystalStructure (Rigaku Americas and Rigaku, 2007); program(s) used to solve structure: SIR2002 (Burla et al., 2003); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997) and Mercury (Macrae et al., 2008); software used to prepare material for publication: CrystalStructure and publCIF (Westrip, 2010).
Supporting information
10.1107/S1600536811026377/pv2420sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811026377/pv2420Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536811026377/pv2420Isup3.cml
To a solution of 2-chloro-1,3-dimethylimidazolinium chloride (228 mg, 1.35 mmol) in acetonitrile (2 ml), sodium azide (99.4 mg, 1.5 mmol) and 15-crown-5 ether (0.06 ml, 0.3 mmol) were added at 253 K and the mixture was stirred for 30 min. 2-Naphthol (130 mg, 0.90 mmol) and triethylamine (0.25 ml, 1.8 mmol) in THF (4 ml) were added to the mixture, which was stirred for 20 min. The reaction was quenched with water, and organic materials were extracted three times with CH2Cl2. The combined extracts were washed with water and brine, and then, dried over anhydrous sodium sulfate. The solvent was removed in vacuo to afford crude compound. The crude material was purified by flash
(silica gel: hexane/ethyl acetate = 4/1) to give the title compound in 86% yield. Single-crystals suitable for X-ray crystallographic analysis were obtained by recrystallization from a mixture of hexane and ethyl acetate (5:1).H atoms were positioned geometrically and were refined in as riding mode on the parent atoms, with C–H distances of 0.95 Å and Uiso(H) = 1.2Ueq(C).
Data collection: PROCESS-AUTO (Rigaku, 1998); cell
PROCESS-AUTO (Rigaku, 1998); data reduction: CrystalStructure (Rigaku Americas and Rigaku, 2007); program(s) used to solve structure: SIR2002 (Burla et al., 2003); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997) and Mercury (Macrae et al., 2008); software used to prepare material for publication: CrystalStructure (Rigaku Americas and Rigaku, 2007) and publCIF (Westrip, 2010).C10H6N2O | F(000) = 704.00 |
Mr = 170.17 | Dx = 1.422 Mg m−3 |
Orthorhombic, Pbca | Cu Kα radiation, λ = 1.54187 Å |
Hall symbol: -P 2ac 2ab | Cell parameters from 17442 reflections |
a = 11.900 (2) Å | θ = 3.0–68.2° |
b = 9.1978 (15) Å | µ = 0.78 mm−1 |
c = 14.521 (3) Å | T = 123 K |
V = 1589.4 (5) Å3 | Prism, brown |
Z = 8 | 0.50 × 0.40 × 0.40 mm |
Rigaku R-AXIS RAPID diffractometer | 1359 reflections with F2 > 2σ(F2) |
Detector resolution: 5.00 pixels mm-1 | Rint = 0.018 |
ω scans | θmax = 68.2° |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | h = −14→14 |
Tmin = 0.566, Tmax = 0.731 | k = −10→10 |
18038 measured reflections | l = −17→17 |
1456 independent reflections |
Refinement on F2 | 0 restraints |
R[F2 > 2σ(F2)] = 0.044 | All H-atom parameters refined |
wR(F2) = 0.119 | w = 1/[σ2(Fo2) + (0.0661P)2 + 0.5878P] where P = (Fo2 + 2Fc2)/3 |
S = 1.08 | (Δ/σ)max < 0.001 |
1456 reflections | Δρmax = 0.29 e Å−3 |
119 parameters | Δρmin = −0.13 e Å−3 |
C10H6N2O | V = 1589.4 (5) Å3 |
Mr = 170.17 | Z = 8 |
Orthorhombic, Pbca | Cu Kα radiation |
a = 11.900 (2) Å | µ = 0.78 mm−1 |
b = 9.1978 (15) Å | T = 123 K |
c = 14.521 (3) Å | 0.50 × 0.40 × 0.40 mm |
Rigaku R-AXIS RAPID diffractometer | 1456 independent reflections |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | 1359 reflections with F2 > 2σ(F2) |
Tmin = 0.566, Tmax = 0.731 | Rint = 0.018 |
18038 measured reflections |
R[F2 > 2σ(F2)] = 0.044 | 0 restraints |
wR(F2) = 0.119 | All H-atom parameters refined |
S = 1.08 | Δρmax = 0.29 e Å−3 |
1456 reflections | Δρmin = −0.13 e Å−3 |
119 parameters |
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance mat- rix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes. |
Refinement. Refinement was performed using all reflections. The weighted R-factor (wR) and goodness of fit (S) are based on F2. R-factor (gt) are based on F. The threshold expression of F2 > 2.0 σ(F2) is used only for calculating R-factor (gt). |
x | y | z | Uiso*/Ueq | ||
O(1) | 0.41204 (11) | 1.07612 (13) | 0.22608 (7) | 0.0476 (3) | |
N(1) | 0.55271 (11) | 0.89513 (13) | 0.31064 (8) | 0.0327 (3) | |
N(2) | 0.63438 (13) | 0.87983 (16) | 0.27341 (9) | 0.0441 (3) | |
C(1) | 0.45523 (13) | 0.92398 (16) | 0.35238 (10) | 0.0336 (3) | |
C(2) | 0.38659 (14) | 1.02931 (17) | 0.30396 (11) | 0.0390 (4) | |
C(3) | 0.28687 (14) | 1.07339 (17) | 0.35513 (11) | 0.0406 (4) | |
C(4) | 0.26340 (13) | 1.01769 (18) | 0.43965 (12) | 0.0419 (4) | |
C(5) | 0.33263 (12) | 0.91102 (16) | 0.48560 (10) | 0.0344 (3) | |
C(6) | 0.30613 (13) | 0.85591 (18) | 0.57389 (11) | 0.0389 (4) | |
C(7) | 0.37387 (14) | 0.75293 (19) | 0.61482 (11) | 0.0395 (4) | |
C(8) | 0.46903 (13) | 0.70173 (19) | 0.56895 (11) | 0.0388 (4) | |
C(9) | 0.49762 (13) | 0.75479 (17) | 0.48334 (10) | 0.0343 (3) | |
C(10) | 0.43117 (12) | 0.85986 (16) | 0.44128 (10) | 0.0310 (3) | |
H(1) | 0.2371 | 1.1427 | 0.3288 | 0.049* | |
H(2) | 0.1977 | 1.0508 | 0.4703 | 0.050* | |
H(3) | 0.2412 | 0.8901 | 0.6052 | 0.047* | |
H(4) | 0.3558 | 0.7168 | 0.6743 | 0.047* | |
H(5) | 0.5146 | 0.6295 | 0.5971 | 0.047* | |
H(6) | 0.5629 | 0.7195 | 0.4530 | 0.041* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O(1) | 0.0703 (8) | 0.0379 (6) | 0.0347 (6) | 0.0036 (5) | −0.0079 (5) | 0.0033 (4) |
N(1) | 0.0406 (7) | 0.0295 (6) | 0.0279 (6) | −0.0016 (5) | 0.0014 (5) | 0.0001 (4) |
N(2) | 0.0509 (8) | 0.0411 (8) | 0.0403 (7) | −0.0027 (6) | 0.0117 (6) | 0.0025 (6) |
C(1) | 0.0362 (8) | 0.0325 (7) | 0.0320 (7) | −0.0001 (6) | −0.0012 (6) | −0.0042 (5) |
C(2) | 0.0501 (9) | 0.0313 (8) | 0.0355 (8) | −0.0008 (6) | −0.0102 (7) | −0.0042 (6) |
C(3) | 0.0414 (8) | 0.0361 (8) | 0.0442 (9) | 0.0067 (6) | −0.0124 (7) | −0.0073 (6) |
C(4) | 0.0327 (7) | 0.0423 (8) | 0.0506 (9) | 0.0021 (6) | −0.0036 (6) | −0.0167 (7) |
C(5) | 0.0317 (7) | 0.0345 (8) | 0.0371 (8) | −0.0045 (6) | −0.0059 (6) | −0.0105 (6) |
C(6) | 0.0305 (7) | 0.0483 (9) | 0.0379 (8) | −0.0096 (6) | 0.0041 (6) | −0.0150 (7) |
C(7) | 0.0428 (8) | 0.0484 (9) | 0.0274 (7) | −0.0132 (7) | 0.0011 (6) | −0.0029 (6) |
C(8) | 0.0388 (8) | 0.0428 (9) | 0.0349 (8) | −0.0056 (6) | −0.0043 (6) | 0.0004 (6) |
C(9) | 0.0300 (6) | 0.0384 (8) | 0.0344 (8) | −0.0019 (6) | −0.0001 (6) | −0.0027 (6) |
C(10) | 0.0308 (7) | 0.0336 (7) | 0.0288 (7) | −0.0074 (5) | −0.0015 (5) | −0.0071 (5) |
O(1)—C(2) | 1.2474 (19) | C(6)—C(7) | 1.378 (2) |
N(1)—N(2) | 1.1210 (19) | C(7)—C(8) | 1.396 (2) |
N(1)—C(1) | 1.3355 (19) | C(8)—C(9) | 1.378 (2) |
C(1)—C(2) | 1.449 (2) | C(9)—C(10) | 1.390 (2) |
C(1)—C(10) | 1.448 (2) | C(3)—H(1) | 0.950 |
C(2)—C(3) | 1.458 (2) | C(4)—H(2) | 0.950 |
C(3)—C(4) | 1.359 (2) | C(6)—H(3) | 0.950 |
C(4)—C(5) | 1.444 (2) | C(7)—H(4) | 0.950 |
C(5)—C(6) | 1.414 (2) | C(8)—H(5) | 0.950 |
C(5)—C(10) | 1.418 (2) | C(9)—H(6) | 0.950 |
N(2)—N(1)—C(1) | 175.50 (14) | C(1)—C(10)—C(5) | 115.66 (12) |
N(1)—C(1)—C(2) | 113.72 (13) | C(1)—C(10)—C(9) | 124.23 (13) |
N(1)—C(1)—C(10) | 119.70 (13) | C(5)—C(10)—C(9) | 120.11 (13) |
C(2)—C(1)—C(10) | 126.40 (13) | C(2)—C(3)—H(1) | 119.2 |
O(1)—C(2)—C(1) | 122.26 (14) | C(4)—C(3)—H(1) | 119.2 |
O(1)—C(2)—C(3) | 124.32 (14) | C(3)—C(4)—H(2) | 118.1 |
C(1)—C(2)—C(3) | 113.42 (13) | C(5)—C(4)—H(2) | 118.1 |
C(2)—C(3)—C(4) | 121.52 (14) | C(5)—C(6)—H(3) | 119.8 |
C(3)—C(4)—C(5) | 123.78 (14) | C(7)—C(6)—H(3) | 119.8 |
C(4)—C(5)—C(6) | 122.35 (13) | C(6)—C(7)—H(4) | 120.0 |
C(4)—C(5)—C(10) | 119.17 (13) | C(8)—C(7)—H(4) | 120.0 |
C(6)—C(5)—C(10) | 118.48 (13) | C(7)—C(8)—H(5) | 119.6 |
C(5)—C(6)—C(7) | 120.45 (14) | C(9)—C(8)—H(5) | 119.6 |
C(6)—C(7)—C(8) | 120.04 (14) | C(8)—C(9)—H(6) | 119.9 |
C(7)—C(8)—C(9) | 120.75 (15) | C(10)—C(9)—H(6) | 119.9 |
C(8)—C(9)—C(10) | 120.14 (14) | ||
N(2)—N(1)—C(1)—C(2) | 29.7 (19) | C(3)—C(4)—C(5)—C(6) | 179.60 (15) |
N(2)—N(1)—C(1)—C(10) | −145.8 (18) | C(3)—C(4)—C(5)—C(10) | −0.0 (2) |
N(1)—C(1)—C(2)—O(1) | 7.0 (2) | C(4)—C(5)—C(6)—C(7) | 179.26 (15) |
N(1)—C(1)—C(2)—C(3) | −173.04 (13) | C(4)—C(5)—C(10)—C(1) | 1.5 (2) |
N(1)—C(1)—C(10)—C(5) | 172.20 (13) | C(4)—C(5)—C(10)—C(9) | −178.53 (14) |
N(1)—C(1)—C(10)—C(9) | −7.8 (2) | C(6)—C(5)—C(10)—C(1) | −178.15 (13) |
C(2)—C(1)—C(10)—C(5) | −2.6 (2) | C(6)—C(5)—C(10)—C(9) | 1.8 (2) |
C(2)—C(1)—C(10)—C(9) | 177.38 (15) | C(10)—C(5)—C(6)—C(7) | −1.1 (2) |
C(10)—C(1)—C(2)—O(1) | −177.92 (14) | C(5)—C(6)—C(7)—C(8) | −0.3 (2) |
C(10)—C(1)—C(2)—C(3) | 2.1 (2) | C(6)—C(7)—C(8)—C(9) | 1.1 (2) |
O(1)—C(2)—C(3)—C(4) | 179.61 (15) | C(7)—C(8)—C(9)—C(10) | −0.4 (2) |
C(1)—C(2)—C(3)—C(4) | −0.4 (2) | C(8)—C(9)—C(10)—C(1) | 178.89 (14) |
C(2)—C(3)—C(4)—C(5) | −0.6 (2) | C(8)—C(9)—C(10)—C(5) | −1.1 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
C6—H3···O1i | 0.95 | 2.55 | 3.466 (2) | 162 |
Symmetry code: (i) −x+1/2, −y+2, z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C10H6N2O |
Mr | 170.17 |
Crystal system, space group | Orthorhombic, Pbca |
Temperature (K) | 123 |
a, b, c (Å) | 11.900 (2), 9.1978 (15), 14.521 (3) |
V (Å3) | 1589.4 (5) |
Z | 8 |
Radiation type | Cu Kα |
µ (mm−1) | 0.78 |
Crystal size (mm) | 0.50 × 0.40 × 0.40 |
Data collection | |
Diffractometer | Rigaku R-AXIS RAPID diffractometer |
Absorption correction | Multi-scan (ABSCOR; Higashi, 1995) |
Tmin, Tmax | 0.566, 0.731 |
No. of measured, independent and observed [F2 > 2σ(F2)] reflections | 18038, 1456, 1359 |
Rint | 0.018 |
(sin θ/λ)max (Å−1) | 0.602 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.044, 0.119, 1.08 |
No. of reflections | 1456 |
No. of parameters | 119 |
H-atom treatment | All H-atom parameters refined |
Δρmax, Δρmin (e Å−3) | 0.29, −0.13 |
Computer programs: PROCESS-AUTO (Rigaku, 1998), SIR2002 (Burla et al., 2003), SHELXL97 (Sheldrick, 2008), ORTEP-3 (Farrugia, 1997) and Mercury (Macrae et al., 2008), CrystalStructure (Rigaku Americas and Rigaku, 2007) and publCIF (Westrip, 2010).
D—H···A | D—H | H···A | D···A | D—H···A |
C6—H3···O1i | 0.95 | 2.55 | 3.466 (2) | 162 |
Symmetry code: (i) −x+1/2, −y+2, z+1/2. |
Acknowledgements
This work was supported by the Nagase Science Technology Foundation and a Grant-in-Aid from the Ministry of Education, Culture, Sports, Science, and Technology of Japan.
References
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1,2-Diazonaphthoquinone derivatives are unique cyclic α-diazocarobonyl compounds that can be drawn as diazonium naphtholate resonance forms, and are exclusively used photoresists such as novolak-diazonaphthoquinone resist (Reiser, et al., 1996). The reports on the X-ray structural data of diazonaphthoquinones are limitted (Seidel et al., 1989; Ferreira et al., 2006). We have synthesized the simplest diazonaphthoquinone, 1-diazo-1H-naphthalen-2-one, by the diazo-transfer reaction (Kitamura et al., 2010) and determined its crystal structure which is being reported in this article.
In the structure of the title compound (Fig. 1) the CN2 moiety is almost linear, with C1—N1—N2 = 175.50 (14)°. The bond length N1—N2 and C1—N2 are 1.1210 (19) and 1.3355 (19) Å. The keto C═O bond length is 1.2474 (19) Å, which is close to a double bond. These data suggest that the structure of the title compound is not diazonium naphtholate form in the solid state.
A single intermolecular hydrogen bond is observed C6—H3···O1i is observed in the crystal structure (Fig. 2). In addition, a π –π interaction is obserbed with the shotest distance 3.6832 (12) Å between the the centroids of the six memberd rings.