Literature DB >> 21754531

3-{2-[(3-Phenyl-quinoxalin-2-yl)-oxy]ethyl}-1,3-oxazolidin-2-one.

Ballo Daouda, Lydia Brelot, Mouhamadou Lamine Doumbia, El Mokhtar Essassi, Seik Weng Ng.   

Abstract

The asymmetric unit of the title compound, C(19)H(17)N(3)O(3), consists of two independent mol-ecules that are disposed about a pseudo-centre of inversion. The plane of the phenyl substituent is twisted by 38.1 (1)° [43.6 (1)° in the second mol-ecule] out of the plane of the quinoxaline ring system. The five-membered ring of the substituent at the 2-position adopts an envelope conformation; the 5-CH(2) atom representing the flap lies out of the plane defined by the other four atoms [deviation 0.264 (7) Å in the first mol-ecule and 0.291 (6) Å in the second]. The dihedral angle between the five-membered ring and the 4-phenyl ring is 84.9 (1)° while that between the five-membered ring and the 5-phenyl ring is 65.6 (1)°.

Entities:  

Year:  2011        PMID: 21754531      PMCID: PMC3089083          DOI: 10.1107/S1600536811014632

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For the crystal structure of 3-[2-(3-methyl­quinoxalin-2-yl­oxy)eth­yl]-1,3-oxazolidin-2-one, see: Ahoya et al. (2010 ▶).

Experimental

Crystal data

C19H17N3O3 M = 335.36 Orthorhombic, a = 10.1392 (4) Å b = 9.1398 (4) Å c = 34.8462 (15) Å V = 3229.2 (2) Å3 Z = 8 Mo Kα radiation μ = 0.10 mm−1 T = 173 K 0.40 × 0.35 × 0.30 mm

Data collection

Bruker X8 APEXII diffractometer 25550 measured reflections 4767 independent reflections 4101 reflections with I > 2σ(I) R int = 0.029

Refinement

R[F 2 > 2σ(F 2)] = 0.047 wR(F 2) = 0.123 S = 1.03 4767 reflections 451 parameters 1 restraint H-atom parameters constrained Δρmax = 0.32 e Å−3 Δρmin = −0.21 e Å−3 Absolute structure: 4149 Friedel pairs merged Data collection: APEX2 (Bruker, 2008 ▶); cell refinement: SAINT (Bruker, 2008 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: X-SEED (Barbour, 2001 ▶); software used to prepare material for publication: publCIF (Westrip, 2010 ▶). Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536811014632/bt5521sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536811014632/bt5521Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C19H17N3O3F(000) = 1408
Mr = 335.36Dx = 1.380 Mg m3
Orthorhombic, Pca21Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2c -2acCell parameters from 9872 reflections
a = 10.1392 (4) Åθ = 2.3–30.0°
b = 9.1398 (4) ŵ = 0.10 mm1
c = 34.8462 (15) ÅT = 173 K
V = 3229.2 (2) Å3Prism, colourless
Z = 80.40 × 0.35 × 0.30 mm
Bruker X8 APEXII diffractometer4101 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tubeRint = 0.029
graphiteθmax = 30.0°, θmin = 2.5°
φ and ω scansh = −14→14
25550 measured reflectionsk = −12→12
4767 independent reflectionsl = −49→47
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.047H-atom parameters constrained
wR(F2) = 0.123w = 1/[σ2(Fo2) + (0.0525P)2 + 1.9526P] where P = (Fo2 + 2Fc2)/3
S = 1.03(Δ/σ)max = 0.001
4767 reflectionsΔρmax = 0.32 e Å3
451 parametersΔρmin = −0.21 e Å3
1 restraintAbsolute structure: 4149 Friedel pairs merged
Primary atom site location: structure-invariant direct methods
xyzUiso*/Ueq
O10.3755 (2)0.6241 (2)0.49991 (7)0.0238 (4)
O20.1310 (2)0.3976 (3)0.55878 (9)0.0433 (6)
O30.2900 (3)0.3586 (3)0.60256 (7)0.0380 (6)
O40.3780 (2)0.8711 (2)0.79097 (7)0.0236 (5)
O50.6231 (2)1.1037 (3)0.73247 (9)0.0426 (6)
O60.4633 (2)1.1405 (3)0.68853 (7)0.0378 (6)
N10.5295 (2)0.7359 (3)0.46162 (7)0.0231 (5)
N20.4634 (3)1.0015 (3)0.49854 (11)0.0229 (7)
N30.3471 (2)0.3614 (3)0.54162 (8)0.0251 (5)
N40.2237 (2)0.7592 (3)0.82911 (7)0.0218 (5)
N50.2891 (3)0.4944 (3)0.79247 (12)0.0257 (7)
N60.4059 (2)1.1361 (3)0.74966 (8)0.0233 (5)
C10.5889 (3)0.8656 (4)0.45148 (9)0.0238 (7)
C20.6894 (3)0.8632 (4)0.42211 (8)0.0264 (7)
H20.71620.77390.41050.032*
C30.7450 (5)0.9938 (4)0.41148 (15)0.0316 (10)
H30.81220.99310.39250.038*
C40.7080 (3)1.1262 (5)0.42711 (10)0.0307 (8)
H40.74661.21470.41830.037*
C50.6123 (4)1.1283 (4)0.45641 (10)0.0293 (7)
H50.58761.21800.46810.035*
C60.5546 (3)0.9977 (3)0.46791 (10)0.0232 (8)
C70.4435 (3)0.7436 (3)0.48952 (8)0.0208 (5)
C80.4129 (2)0.8775 (3)0.50968 (8)0.0205 (5)
C90.3280 (3)0.8803 (3)0.54447 (8)0.0221 (5)
C100.3353 (3)0.7709 (4)0.57228 (8)0.0268 (6)
H100.38930.68750.56810.032*
C110.2637 (3)0.7835 (4)0.60623 (9)0.0333 (7)
H110.26880.70880.62510.040*
C120.1847 (3)0.9053 (4)0.61239 (9)0.0354 (8)
H120.13760.91540.63580.042*
C130.1748 (4)1.0128 (4)0.58411 (14)0.0321 (9)
H130.11691.09350.58750.038*
C140.2494 (5)1.0014 (3)0.55127 (15)0.0298 (10)
H140.24691.07810.53290.036*
C150.4161 (4)0.4879 (3)0.48313 (12)0.0251 (8)
H15A0.51030.46890.48880.030*
H15B0.40440.49070.45490.030*
C160.3308 (3)0.3702 (4)0.50051 (10)0.0271 (7)
H16A0.23720.39070.49450.033*
H16B0.35390.27470.48890.033*
C170.2459 (3)0.3749 (3)0.56612 (10)0.0295 (6)
C180.4324 (4)0.3412 (6)0.60200 (11)0.0493 (10)
H18A0.45970.25880.61860.059*
H18B0.47660.43150.61090.059*
C190.4661 (3)0.3101 (4)0.56046 (9)0.0269 (6)
H19A0.54470.36570.55200.032*
H19B0.48080.20440.55590.032*
C200.1637 (3)0.6307 (4)0.84002 (9)0.0209 (6)
C210.0673 (3)0.6295 (4)0.86756 (11)0.0289 (7)
H210.04130.71940.87900.035*
C220.0066 (5)0.5014 (4)0.87928 (13)0.0317 (11)
H22−0.05900.50170.89880.038*
C230.0464 (4)0.3684 (4)0.86090 (11)0.0327 (8)
H230.00460.27950.86810.039*
C240.1396 (4)0.3652 (4)0.83418 (13)0.0319 (8)
H240.16460.27420.82320.038*
C250.2034 (4)0.4973 (3)0.82158 (12)0.0237 (8)
C260.3085 (3)0.7517 (3)0.80137 (8)0.0205 (5)
C270.3400 (3)0.6188 (3)0.78065 (8)0.0215 (5)
C280.4249 (3)0.6163 (3)0.74596 (8)0.0216 (5)
C290.4178 (3)0.7269 (4)0.71840 (9)0.0277 (6)
H290.36360.81020.72270.033*
C300.4903 (3)0.7147 (4)0.68470 (9)0.0333 (7)
H300.48520.78970.66590.040*
C310.5706 (3)0.5932 (4)0.67837 (10)0.0352 (7)
H310.61950.58550.65520.042*
C320.5793 (5)0.4847 (4)0.70545 (15)0.0358 (10)
H320.63360.40170.70090.043*
C330.5080 (4)0.4961 (3)0.73990 (14)0.0237 (9)
H330.51620.42250.75900.028*
C340.3381 (4)1.0076 (3)0.80828 (14)0.0258 (8)
H34A0.35161.00420.83640.031*
H34B0.24351.02650.80320.031*
C350.4223 (3)1.1268 (3)0.79058 (9)0.0225 (6)
H35A0.39871.22200.80230.027*
H35B0.51621.10720.79650.027*
C360.5075 (3)1.1237 (3)0.72500 (10)0.0283 (6)
C370.3211 (4)1.1544 (5)0.68928 (11)0.0441 (9)
H37A0.27871.06230.68080.053*
H37B0.29181.23470.67220.053*
C380.2867 (3)1.1876 (3)0.73069 (9)0.0264 (6)
H38A0.27241.29360.73490.032*
H38B0.20781.13270.73920.032*
U11U22U33U12U13U23
O10.0227 (10)0.0214 (10)0.0272 (10)0.0002 (9)0.0067 (8)−0.0008 (8)
O20.0246 (10)0.0476 (15)0.0577 (16)0.0079 (10)0.0092 (11)0.0058 (13)
O30.0388 (13)0.0437 (14)0.0314 (12)0.0074 (11)0.0109 (10)0.0041 (11)
O40.0293 (11)0.0163 (9)0.0252 (10)−0.0016 (8)0.0032 (9)−0.0011 (8)
O50.0239 (11)0.0443 (14)0.0596 (17)0.0070 (10)0.0094 (11)0.0058 (13)
O60.0382 (13)0.0409 (14)0.0342 (12)0.0083 (11)0.0118 (10)0.0039 (11)
N10.0240 (10)0.0263 (12)0.0190 (10)0.0006 (9)0.0022 (8)0.0018 (9)
N20.0232 (16)0.0223 (15)0.0231 (15)−0.0025 (8)0.0064 (13)0.0012 (9)
N30.0206 (10)0.0283 (13)0.0263 (12)0.0009 (9)0.0006 (9)0.0047 (10)
N40.0238 (11)0.0215 (11)0.0201 (10)−0.0001 (9)−0.0031 (8)−0.0013 (9)
N50.0267 (17)0.0215 (16)0.0289 (17)0.0000 (9)−0.0015 (14)−0.0010 (9)
N60.0191 (10)0.0226 (11)0.0281 (12)0.0002 (9)0.0021 (9)0.0030 (10)
C10.0219 (13)0.0323 (17)0.0173 (12)−0.0003 (12)0.0013 (10)0.0039 (12)
C20.0294 (14)0.0388 (18)0.0109 (11)−0.0004 (13)0.0079 (11)−0.0013 (12)
C30.029 (2)0.041 (3)0.026 (2)−0.0077 (12)0.0040 (16)0.0064 (12)
C40.0256 (15)0.0408 (19)0.0256 (15)−0.0087 (14)0.0061 (12)0.0095 (14)
C50.0314 (16)0.0314 (17)0.0251 (15)−0.0041 (14)0.0011 (12)0.0051 (14)
C60.0150 (13)0.041 (2)0.0132 (14)−0.0022 (10)0.0051 (12)0.0045 (10)
C70.0210 (11)0.0216 (13)0.0199 (12)−0.0006 (10)−0.0003 (9)0.0022 (10)
C80.0177 (11)0.0246 (13)0.0191 (11)0.0001 (10)0.0002 (9)0.0003 (10)
C90.0193 (11)0.0236 (13)0.0234 (12)−0.0032 (10)0.0016 (9)−0.0031 (11)
C100.0263 (13)0.0334 (15)0.0207 (12)−0.0014 (12)0.0007 (10)0.0001 (12)
C110.0333 (15)0.0439 (18)0.0227 (13)−0.0083 (14)−0.0002 (11)0.0020 (14)
C120.0290 (15)0.052 (2)0.0250 (14)−0.0129 (14)0.0094 (12)−0.0111 (14)
C130.0248 (17)0.0318 (18)0.040 (2)−0.0047 (12)0.0084 (16)−0.0117 (14)
C140.0236 (17)0.032 (2)0.034 (3)−0.0045 (11)0.0093 (15)−0.0036 (12)
C150.035 (2)0.0204 (16)0.0197 (17)0.0014 (11)0.0060 (14)−0.0005 (10)
C160.0282 (15)0.0248 (15)0.0283 (14)−0.0025 (12)−0.0027 (12)0.0000 (13)
C170.0297 (14)0.0204 (13)0.0384 (16)0.0025 (12)0.0078 (12)0.0047 (13)
C180.0375 (18)0.082 (3)0.0287 (17)0.0145 (19)0.0006 (14)0.0080 (19)
C190.0222 (12)0.0308 (15)0.0278 (13)0.0016 (11)−0.0015 (11)0.0009 (12)
C200.0219 (13)0.0229 (14)0.0180 (12)−0.0011 (11)−0.0073 (10)−0.0006 (11)
C210.0255 (14)0.0301 (16)0.0311 (16)0.0009 (13)−0.0028 (12)−0.0037 (14)
C220.027 (2)0.051 (3)0.0172 (18)−0.0041 (13)−0.0003 (14)0.0041 (12)
C230.0376 (17)0.0300 (17)0.0305 (17)−0.0089 (14)−0.0037 (14)0.0071 (15)
C240.0309 (16)0.0213 (16)0.043 (2)−0.0030 (13)0.0021 (14)0.0012 (15)
C250.0278 (17)0.0116 (14)0.032 (2)−0.0009 (9)−0.0067 (15)0.0007 (9)
C260.0214 (11)0.0179 (12)0.0223 (12)0.0000 (10)−0.0047 (9)−0.0006 (10)
C270.0219 (12)0.0196 (12)0.0229 (12)−0.0001 (10)0.0015 (9)−0.0013 (10)
C280.0194 (11)0.0249 (13)0.0205 (12)−0.0026 (10)0.0016 (9)−0.0041 (11)
C290.0263 (13)0.0281 (14)0.0287 (14)0.0001 (12)−0.0017 (11)0.0003 (12)
C300.0342 (15)0.0446 (19)0.0210 (13)−0.0078 (14)0.0007 (11)0.0033 (14)
C310.0323 (16)0.046 (2)0.0279 (15)−0.0129 (14)0.0085 (12)−0.0145 (14)
C320.0286 (19)0.0362 (19)0.043 (2)−0.0036 (14)0.0104 (18)−0.0176 (16)
C330.0234 (17)0.0167 (16)0.031 (2)−0.0016 (9)−0.0030 (14)−0.0027 (10)
C340.0269 (18)0.0196 (16)0.0310 (19)0.0011 (10)−0.0013 (15)−0.0046 (11)
C350.0219 (13)0.0165 (12)0.0290 (14)−0.0025 (11)−0.0013 (11)−0.0021 (11)
C360.0278 (14)0.0212 (13)0.0358 (16)0.0032 (11)0.0082 (12)0.0026 (12)
C370.0394 (18)0.064 (3)0.0284 (16)0.0063 (17)−0.0006 (14)0.0040 (17)
C380.0216 (12)0.0284 (14)0.0293 (14)0.0007 (11)−0.0016 (11)−0.0013 (12)
O1—C71.342 (3)C13—H130.9500
O1—C151.436 (4)C14—H140.9500
O2—C171.210 (4)C15—C161.508 (5)
O3—C171.355 (4)C15—H15A0.9900
O3—C181.452 (5)C15—H15B0.9900
O4—C261.349 (4)C16—H16A0.9900
O4—C341.444 (4)C16—H16B0.9900
O5—C361.214 (4)C18—C191.514 (5)
O6—C361.356 (4)C18—H18A0.9900
O6—C371.448 (4)C18—H18B0.9900
N1—C71.308 (4)C19—H19A0.9900
N1—C11.376 (4)C19—H19B0.9900
N2—C81.303 (4)C20—C211.370 (5)
N2—C61.413 (5)C20—C251.436 (5)
N3—C171.341 (4)C21—C221.385 (5)
N3—C161.444 (4)C21—H210.9500
N3—C191.451 (4)C22—C231.432 (6)
N4—C261.295 (4)C22—H220.9500
N4—C201.376 (4)C23—C241.327 (6)
N5—C271.316 (4)C23—H230.9500
N5—C251.336 (5)C24—C251.438 (5)
N6—C361.347 (4)C24—H240.9500
N6—C351.438 (4)C26—C271.448 (4)
N6—C381.456 (4)C27—C281.484 (4)
C1—C61.380 (5)C28—C291.397 (4)
C1—C21.445 (4)C28—C331.401 (4)
C2—C31.372 (5)C29—C301.390 (4)
C2—H20.9500C29—H290.9500
C3—C41.379 (6)C30—C311.395 (5)
C3—H30.9500C30—H300.9500
C4—C51.409 (5)C31—C321.372 (6)
C4—H40.9500C31—H310.9500
C5—C61.389 (5)C32—C331.405 (7)
C5—H50.9500C32—H320.9500
C7—C81.445 (4)C33—H330.9500
C8—C91.487 (4)C34—C351.515 (5)
C9—C141.385 (5)C34—H34A0.9900
C9—C101.394 (4)C34—H34B0.9900
C10—C111.393 (4)C35—H35A0.9900
C10—H100.9500C35—H35B0.9900
C11—C121.388 (5)C37—C381.515 (5)
C11—H110.9500C37—H37A0.9900
C12—C131.396 (6)C37—H37B0.9900
C12—H120.9500C38—H38A0.9900
C13—C141.375 (7)C38—H38B0.9900
C7—O1—C15116.6 (2)H18A—C18—H18B108.8
C17—O3—C18109.1 (3)N3—C19—C18100.6 (3)
C26—O4—C34116.1 (3)N3—C19—H19A111.7
C36—O6—C37108.8 (2)C18—C19—H19A111.7
C7—N1—C1115.8 (3)N3—C19—H19B111.7
C8—N2—C6117.4 (3)C18—C19—H19B111.7
C17—N3—C16122.6 (3)H19A—C19—H19B109.4
C17—N3—C19112.2 (3)C21—C20—N4121.0 (3)
C16—N3—C19124.2 (3)C21—C20—C25120.4 (3)
C26—N4—C20117.0 (3)N4—C20—C25118.5 (3)
C27—N5—C25118.4 (3)C20—C21—C22122.1 (4)
C36—N6—C35122.6 (3)C20—C21—H21119.0
C36—N6—C38111.9 (3)C22—C21—H21119.0
C35—N6—C38124.4 (2)C21—C22—C23117.4 (4)
N1—C1—C6122.5 (3)C21—C22—H22121.3
N1—C1—C2118.5 (3)C23—C22—H22121.3
C6—C1—C2119.0 (3)C24—C23—C22122.2 (4)
C3—C2—C1117.9 (4)C24—C23—H23118.9
C3—C2—H2121.0C22—C23—H23118.9
C1—C2—H2121.0C23—C24—C25121.0 (4)
C2—C3—C4123.0 (4)C23—C24—H24119.5
C2—C3—H3118.5C25—C24—H24119.5
C4—C3—H3118.5N5—C25—C20122.6 (3)
C3—C4—C5119.1 (4)N5—C25—C24120.5 (3)
C3—C4—H4120.5C20—C25—C24116.8 (4)
C5—C4—H4120.5N4—C26—O4120.3 (3)
C6—C5—C4119.2 (4)N4—C26—C27124.3 (3)
C6—C5—H5120.4O4—C26—C27115.4 (2)
C4—C5—H5120.4N5—C27—C26118.8 (3)
C1—C6—C5121.7 (3)N5—C27—C28118.0 (3)
C1—C6—N2120.0 (3)C26—C27—C28123.2 (3)
C5—C6—N2118.2 (3)C29—C28—C33119.7 (3)
N1—C7—O1120.0 (3)C29—C28—C27121.2 (3)
N1—C7—C8123.4 (3)C33—C28—C27119.0 (3)
O1—C7—C8116.6 (2)C30—C29—C28119.7 (3)
N2—C8—C7120.5 (3)C30—C29—H29120.1
N2—C8—C9117.1 (3)C28—C29—H29120.1
C7—C8—C9122.4 (2)C29—C30—C31120.4 (3)
C14—C9—C10119.0 (3)C29—C30—H30119.8
C14—C9—C8119.1 (3)C31—C30—H30119.8
C10—C9—C8121.6 (3)C32—C31—C30120.3 (3)
C9—C10—C11120.2 (3)C32—C31—H31119.9
C9—C10—H10119.9C30—C31—H31119.9
C11—C10—H10119.9C31—C32—C33120.1 (4)
C12—C11—C10119.9 (3)C31—C32—H32120.0
C12—C11—H11120.1C33—C32—H32120.0
C10—C11—H11120.1C28—C33—C32119.8 (4)
C11—C12—C13119.8 (3)C28—C33—H33120.1
C11—C12—H12120.1C32—C33—H33120.1
C13—C12—H12120.1O4—C34—C35107.0 (3)
C14—C13—C12119.6 (4)O4—C34—H34A110.3
C14—C13—H13120.2C35—C34—H34A110.3
C12—C13—H13120.2O4—C34—H34B110.3
C13—C14—C9121.3 (4)C35—C34—H34B110.3
C13—C14—H14119.3H34A—C34—H34B108.6
C9—C14—H14119.3N6—C35—C34112.4 (3)
O1—C15—C16106.9 (3)N6—C35—H35A109.1
O1—C15—H15A110.3C34—C35—H35A109.1
C16—C15—H15A110.3N6—C35—H35B109.1
O1—C15—H15B110.3C34—C35—H35B109.1
C16—C15—H15B110.3H35A—C35—H35B107.9
H15A—C15—H15B108.6O5—C36—N6127.9 (3)
N3—C16—C15111.9 (3)O5—C36—O6122.5 (3)
N3—C16—H16A109.2N6—C36—O6109.6 (3)
C15—C16—H16A109.2O6—C37—C38105.3 (3)
N3—C16—H16B109.2O6—C37—H37A110.7
C15—C16—H16B109.2C38—C37—H37A110.7
H16A—C16—H16B107.9O6—C37—H37B110.7
O2—C17—N3128.2 (3)C38—C37—H37B110.7
O2—C17—O3122.3 (3)H37A—C37—H37B108.8
N3—C17—O3109.5 (3)N6—C38—C37100.1 (3)
O3—C18—C19105.0 (3)N6—C38—H38A111.7
O3—C18—H18A110.8C37—C38—H38A111.7
C19—C18—H18A110.8N6—C38—H38B111.7
O3—C18—H18B110.8C37—C38—H38B111.7
C19—C18—H18B110.8H38A—C38—H38B109.5
C7—N1—C1—C6−3.9 (5)C26—N4—C20—C21−176.2 (3)
C7—N1—C1—C2177.0 (3)C26—N4—C20—C253.1 (4)
N1—C1—C2—C3178.1 (4)N4—C20—C21—C22−179.3 (3)
C6—C1—C2—C3−1.0 (5)C25—C20—C21—C221.4 (5)
C1—C2—C3—C4−0.9 (7)C20—C21—C22—C23−1.2 (6)
C2—C3—C4—C52.5 (7)C21—C22—C23—C241.4 (6)
C3—C4—C5—C6−2.1 (5)C22—C23—C24—C25−1.6 (6)
N1—C1—C6—C5−177.8 (3)C27—N5—C25—C200.8 (5)
C2—C1—C6—C51.3 (5)C27—N5—C25—C24176.6 (4)
N1—C1—C6—N25.4 (5)C21—C20—C25—N5174.5 (3)
C2—C1—C6—N2−175.5 (3)N4—C20—C25—N5−4.9 (5)
C4—C5—C6—C10.2 (5)C21—C20—C25—C24−1.5 (5)
C4—C5—C6—N2177.1 (3)N4—C20—C25—C24179.2 (3)
C8—N2—C6—C1−1.2 (5)C23—C24—C25—N5−174.4 (4)
C8—N2—C6—C5−178.1 (4)C23—C24—C25—C201.7 (6)
C1—N1—C7—O1176.3 (3)C20—N4—C26—O4−175.3 (3)
C1—N1—C7—C8−1.5 (4)C20—N4—C26—C272.2 (4)
C15—O1—C7—N19.0 (4)C34—O4—C26—N4−8.9 (4)
C15—O1—C7—C8−173.0 (3)C34—O4—C26—C27173.4 (3)
C6—N2—C8—C7−4.0 (5)C25—N5—C27—C264.4 (5)
C6—N2—C8—C9173.8 (3)C25—N5—C27—C28−174.2 (3)
N1—C7—C8—N25.7 (4)N4—C26—C27—N5−6.3 (5)
O1—C7—C8—N2−172.3 (3)O4—C26—C27—N5171.2 (3)
N1—C7—C8—C9−172.0 (3)N4—C26—C27—C28172.2 (3)
O1—C7—C8—C910.1 (4)O4—C26—C27—C28−10.2 (4)
N2—C8—C9—C1434.6 (4)N5—C27—C28—C29140.0 (3)
C7—C8—C9—C14−147.7 (3)C26—C27—C28—C29−38.6 (4)
N2—C8—C9—C10−138.9 (3)N5—C27—C28—C33−36.4 (4)
C7—C8—C9—C1038.8 (4)C26—C27—C28—C33145.1 (3)
C14—C9—C10—C110.4 (5)C33—C28—C29—C301.8 (5)
C8—C9—C10—C11173.9 (3)C27—C28—C29—C30−174.4 (3)
C9—C10—C11—C120.0 (5)C28—C29—C30—C31−0.4 (5)
C10—C11—C12—C131.7 (5)C29—C30—C31—C32−0.3 (5)
C11—C12—C13—C14−3.8 (6)C30—C31—C32—C33−0.5 (6)
C12—C13—C14—C94.3 (7)C29—C28—C33—C32−2.7 (5)
C10—C9—C14—C13−2.6 (6)C27—C28—C33—C32173.7 (3)
C8—C9—C14—C13−176.3 (4)C31—C32—C33—C282.0 (6)
C7—O1—C15—C16177.1 (3)C26—O4—C34—C35−176.2 (3)
C17—N3—C16—C15123.2 (3)C36—N6—C35—C34−123.1 (3)
C19—N3—C16—C15−69.1 (4)C38—N6—C35—C3469.5 (4)
O1—C15—C16—N3−60.9 (4)O4—C34—C35—N660.0 (4)
C16—N3—C17—O2−1.2 (5)C35—N6—C36—O50.0 (5)
C19—N3—C17—O2−170.2 (3)C38—N6—C36—O5168.8 (3)
C16—N3—C17—O3178.6 (3)C35—N6—C36—O6−178.5 (3)
C19—N3—C17—O39.6 (4)C38—N6—C36—O6−9.7 (4)
C18—O3—C17—O2−176.8 (4)C37—O6—C36—O5177.0 (3)
C18—O3—C17—N33.4 (4)C37—O6—C36—N6−4.4 (4)
C17—O3—C18—C19−14.1 (4)C36—O6—C37—C3815.8 (4)
C17—N3—C19—C18−17.4 (4)C36—N6—C38—C3718.4 (4)
C16—N3—C19—C18173.9 (3)C35—N6—C38—C37−173.1 (3)
O3—C18—C19—N318.0 (4)O6—C37—C38—N6−19.7 (4)
  2 in total

1.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

2.  3-[2-(3-Methyl-quinoxalin-2-yl-oxy)eth-yl]-1,3-oxazolidin-2-one.

Authors:  Caleb Anothane Ahoya; Rachid Bouhfid; Ballo Daouda; El Mokhtar Essassi; Lahcen El Ammari
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-04-10
  2 in total
  1 in total

1.  6-Chloro-2-phenyl-3-(2-phenyl-ethyn-yl)quinoxaline.

Authors:  Xi-Lin Ouyang; Miao Ouyang; Shi-Wen Huang
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-05-16
  1 in total

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