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In the title compound, C14H15N5S, the indole ring system is nearly planar, with a dihedral angle of 2.74 (7)° between the two rings. The thia­diazole ring forms a dihedral angle of 5.44 (5)° with the indole ring system.

Supporting information

cif

Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536807016546/pk2013sup1.cif
Contains datablocks I, global

hkl

Structure factor file (CIF format) https://doi.org/10.1107/S1600536807016546/pk2013Isup2.hkl
Contains datablock I

CCDC reference: 647296

Key indicators

  • Single-crystal X-ray study
  • T = 294 K
  • Mean [sigma](C-C) = 0.003 Å
  • R factor = 0.061
  • wR factor = 0.153
  • Data-to-parameter ratio = 23.1

checkCIF/PLATON results

No syntax errors found



Alert level C PLAT322_ALERT_2_C Check Hybridisation of S1 in Main Residue . ?
0 ALERT level A = In general: serious problem 0 ALERT level B = Potentially serious problem 1 ALERT level C = Check and explain 0 ALERT level G = General alerts; check 0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 1 ALERT type 2 Indicator that the structure model may be wrong or deficient 0 ALERT type 3 Indicator that the structure quality may be low 0 ALERT type 4 Improvement, methodology, query or suggestion 0 ALERT type 5 Informative message, check

Computing details top

Data collection: CrystalClear (Rigaku/MSC, 2005); cell refinement: CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).

3-(5-Ethyl-1,3,4-thiadiazol-2-yldiazenyl)-1,2-dimethyl-1H-indole top
Crystal data top
C14H15N5SZ = 2
Mr = 285.38F(000) = 300
Triclinic, P1Dx = 1.346 Mg m3
Hall symbol: -P 1Mo Kα radiation, λ = 0.71073 Å
a = 8.1879 (1) ÅCell parameters from 2091 reflections
b = 8.2359 (2) Åθ = 2.5–30.5°
c = 10.5343 (3) ŵ = 0.23 mm1
α = 92.56 (1)°T = 294 K
β = 96.66 (2)°Block, red
γ = 92.31 (3)°0.30 × 0.20 × 0.15 mm
V = 704.14 (4) Å3
Data collection top
Rigaku R-AXIS RAPID-S
diffractometer
4281 independent reflections
Radiation source: fine-focus sealed tube2750 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.083
ω scansθmax = 30.5°, θmin = 2.5°
Absorption correction: multi-scan
(Blessing, 1995)
h = 1111
Tmin = 0.925, Tmax = 0.957k = 1110
21347 measured reflectionsl = 1515
Refinement top
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.061H-atom parameters constrained
wR(F2) = 0.153 w = 1/[σ2(Fo2) + (0.0538P)2 + 0.1509P]
where P = (Fo2 + 2Fc2)/3
S = 1.05(Δ/σ)max = 0.005
4281 reflectionsΔρmax = 0.32 e Å3
185 parametersΔρmin = 0.17 e Å3
0 restraintsExtinction correction: SHELXL97, Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4
Primary atom site location: structure-invariant direct methodsExtinction coefficient: 0.044 (5)
Special details top

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 matrix. 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 of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
S10.35795 (7)0.47784 (7)0.14751 (5)0.05606 (19)
N10.6839 (2)0.1154 (2)0.60753 (16)0.0506 (4)
N20.4408 (2)0.3401 (2)0.38787 (16)0.0514 (4)
N30.2974 (2)0.3968 (2)0.39154 (16)0.0543 (4)
N40.1164 (2)0.5575 (2)0.26850 (17)0.0596 (5)
N50.0932 (2)0.6298 (2)0.15182 (17)0.0573 (4)
C10.2498 (2)0.4761 (2)0.2796 (2)0.0520 (5)
C20.2073 (2)0.5987 (2)0.0798 (2)0.0507 (5)
C30.4996 (2)0.2593 (2)0.49279 (19)0.0492 (5)
C40.4334 (2)0.2240 (2)0.60986 (18)0.0472 (4)
C50.2916 (2)0.2628 (3)0.6654 (2)0.0549 (5)
H50.21120.32350.62240.066*
C60.2740 (3)0.2091 (3)0.7851 (2)0.0624 (6)
H60.18150.23610.82360.075*
C70.3908 (3)0.1159 (3)0.8496 (2)0.0655 (6)
H70.37400.08020.92980.079*
C80.5314 (3)0.0748 (3)0.7975 (2)0.0585 (5)
H80.60950.01160.84050.070*
C90.5512 (2)0.1318 (2)0.67849 (19)0.0489 (5)
C100.6548 (2)0.1941 (2)0.49755 (19)0.0509 (5)
C110.8324 (3)0.0308 (3)0.6482 (2)0.0637 (6)
H11A0.81810.08130.61850.096*
H11B0.85290.03760.73990.096*
H11C0.92410.08050.61300.096*
C120.7752 (3)0.2097 (3)0.4048 (2)0.0688 (6)
H12A0.87140.27090.44440.103*
H12B0.72730.26480.33210.103*
H12C0.80530.10340.37740.103*
C130.2093 (3)0.6648 (3)0.0502 (2)0.0587 (5)
H13A0.19120.57550.11410.070*
H13B0.31710.71520.05600.070*
C140.0792 (3)0.7893 (3)0.0797 (2)0.0682 (6)
H14A0.02800.74010.07450.102*
H14B0.08470.82610.16430.102*
H14C0.09890.88020.01870.102*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
S10.0482 (3)0.0616 (4)0.0592 (3)0.0122 (2)0.0058 (2)0.0045 (2)
N10.0446 (9)0.0519 (10)0.0547 (10)0.0074 (7)0.0025 (7)0.0009 (8)
N20.0536 (10)0.0475 (9)0.0516 (10)0.0030 (8)0.0006 (7)0.0002 (7)
N30.0547 (10)0.0527 (10)0.0537 (10)0.0041 (8)0.0014 (8)0.0020 (8)
N40.0573 (11)0.0669 (12)0.0560 (11)0.0149 (9)0.0079 (8)0.0068 (9)
N50.0520 (10)0.0651 (11)0.0559 (10)0.0127 (8)0.0057 (8)0.0074 (8)
C10.0493 (11)0.0511 (11)0.0549 (12)0.0042 (9)0.0034 (9)0.0001 (9)
C20.0452 (10)0.0514 (11)0.0546 (12)0.0042 (9)0.0024 (8)0.0001 (9)
C30.0492 (11)0.0469 (11)0.0505 (11)0.0046 (8)0.0028 (8)0.0021 (8)
C40.0448 (10)0.0468 (10)0.0484 (11)0.0030 (8)0.0000 (8)0.0025 (8)
C50.0444 (11)0.0589 (12)0.0605 (13)0.0054 (9)0.0026 (9)0.0016 (10)
C60.0529 (12)0.0713 (15)0.0641 (14)0.0015 (11)0.0144 (10)0.0019 (11)
C70.0636 (14)0.0781 (16)0.0557 (13)0.0031 (12)0.0111 (10)0.0082 (11)
C80.0570 (12)0.0636 (13)0.0542 (12)0.0033 (10)0.0016 (9)0.0078 (10)
C90.0463 (11)0.0507 (11)0.0482 (11)0.0025 (9)0.0014 (8)0.0012 (8)
C100.0492 (11)0.0509 (11)0.0517 (11)0.0025 (9)0.0048 (8)0.0036 (9)
C110.0517 (12)0.0689 (14)0.0704 (15)0.0172 (11)0.0019 (10)0.0014 (11)
C120.0643 (14)0.0780 (16)0.0668 (15)0.0067 (120.0181 (11)0.0032 (12)
C130.0564 (12)0.0662 (14)0.0543 (12)0.0057 (10)0.0073 (9)0.0082 (10)
C140.0638 (14)0.0762 (16)0.0666 (14)0.0139 (12)0.0065 (11)0.0197 (12)
Geometric parameters (Å, º) top
S1—C11.734 (2)C8—C71.380 (3)
S1—C21.726 (2)C8—H80.9300
N1—C91.396 (2)C9—C81.383 (3)
N1—C101.354 (3)C9—C41.406 (3)
N1—C111.456 (3)C10—C31.396 (3)
N2—N31.285 (2)C10—C121.472 (3)
N2—C31.365 (3)C11—H11A0.9600
N5—N41.386 (2)C11—H11B0.9600
N5—C21.296 (3)C11—H11C0.9600
C1—N41.301 (3)C12—H12A0.9600
C1—N31.397 (3)C12—H12B0.9600
C2—C131.497 (3)C12—H12C0.9600
C4—C51.402 (3)C13—H13A0.9700
C4—C31.440 (3)C13—H13B0.9700
C5—C61.376 (3)C14—C131.524 (3)
C5—H50.9300C14—H14A0.9600
C6—C71.386 (3)C14—H14B0.9600
C6—H60.9300C14—H14C0.9600
C7—H70.9300
C2—S1—C186.47 (10)C9—C8—H8121.5
C10—N1—C9109.47 (16)C8—C9—N1128.82 (19)
C10—N1—C11125.62 (18)C8—C9—C4122.75 (19)
C9—N1—C11124.89 (18)N1—C9—C4108.41 (18)
N3—N2—C3115.21 (18)N1—C10—C3108.65 (18)
N2—N3—C1110.19 (18)N1—C10—C12123.36 (19)
C1—N4—N5111.57 (18)C3—C10—C12127.9 (2)
C2—N5—N4112.95 (17)N1—C11—H11A109.5
N4—C1—N3120.6 (2)N1—C11—H11B109.5
N4—C1—S1114.66 (16)H11A—C11—H11B109.5
N3—C1—S1124.77 (16)N1—C11—H11C109.5
N5—C2—C13122.63 (19)H11A—C11—H11C109.5
N5—C2—S1114.34 (16)H11B—C11—H11C109.5
C13—C2—S1123.02 (16)C10—C12—H12A109.5
N2—C3—C10119.27 (19)C10—C12—H12B109.5
N2—C3—C4132.91 (18)H12A—C12—H12B109.5
C10—C3—C4107.82 (17)C10—C12—H12C109.5
C5—C4—C9118.71 (19)H12A—C12—H12C109.5
C5—C4—C3135.68 (19)H12B—C12—H12C109.5
C9—C4—C3105.59 (17)C2—C13—C14112.98 (19)
C6—C5—C4118.4 (2)C2—C13—H13A109.0
C6—C5—H5120.8C14—C13—H13A109.0
C4—C5—H5120.8C2—C13—H13B109.0
C5—C6—C7121.6 (2)C14—C13—H13B109.0
C5—C6—H6119.2H13A—C13—H13B107.8
C7—C6—H6119.2C13—C14—H14A109.5
C8—C7—C6121.5 (2)C13—C14—H14B109.5
C8—C7—H7119.3H14A—C14—H14B109.5
C6—C7—H7119.3C13—C14—H14C109.5
C7—C8—C9117.0 (2)H14A—C14—H14C109.5
C7—C8—H8121.5H14B—C14—H14C109.5
C2—S1—C1—N40.52 (17)N5—C2—C13—C148.1 (3)
C2—S1—C1—N3178.99 (18)S1—C2—C13—C14170.75 (16)
C1—S1—C2—N50.01 (17)C5—C4—C3—N23.9 (4)
C1—S1—C2—C13178.94 (19)C9—C4—C3—N2178.1 (2)
C10—N1—C9—C8178.1 (2)C5—C4—C3—C10175.6 (2)
C11—N1—C9—C80.1 (3)C9—C4—C3—C102.4 (2)
C10—N1—C9—C40.3 (2)C9—C4—C5—C60.1 (3)
C11—N1—C9—C4178.50 (18)C3—C4—C5—C6177.7 (2)
C9—N1—C10—C31.8 (2)C4—C5—C6—C71.3 (3)
C11—N1—C10—C3179.99 (18)C5—C6—C7—C81.0 (4)
C9—N1—C10—C12175.86 (19)C9—C8—C7—C60.4 (3)
C11—N1—C10—C122.3 (3)C8—C9—C4—C51.4 (3)
C3—N2—N3—C1179.83 (16)N1—C9—C4—C5177.13 (17)
N3—N2—C3—C10179.76 (17)C8—C9—C4—C3179.78 (19)
N3—N2—C3—C40.3 (3)N1—C9—C4—C31.3 (2)
N4—N5—C2—C13179.42 (18)N1—C9—C8—C7176.5 (2)
N4—N5—C2—S10.5 (2)C4—C9—C8—C71.7 (3)
C2—N5—N4—C10.9 (3)N1—C10—C3—N2177.81 (17)
N4—C1—N3—N2172.73 (18)C12—C10—C3—N24.7 (3)
S1—C1—N3—N26.7 (2)N1—C10—C3—C42.6 (2)
N3—C1—N4—N5178.66 (17)C12—C10—C3—C4174.9 (2)
S1—C1—N4—N50.9 (2)
 

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