Literature DB >> 22606121

4-[Bis(4-fluoro-phen-yl)meth-yl]piperazin-1-ium 2-hy-droxy-benzoate 2-hy-droxy-benzoic acid monosolvate.

A S Dayananda, H S Yathirajan, Ulrich Flörke.   

Abstract

The title compound, C(17)H(19)F(2)N(2) (+)·C(7)H(5)O(3) (-)·C(7)H(6)O(3), is a co-crystal from 4-[bis-(4-fluoro-phen-yl)meth-yl]piperazin-1-ium, salicylate anion and salicylic acid in a 1:1:1 ratio. In addition to an intra-molecular O-H⋯O hydrogen bond, the crystal packing shows hydrogen bonds between the piperazinium cation and salicylate anion (N-H⋯O), as well as between the salicylic acid mol-ecule and anion (O-H⋯O), giving rise to a three-dimensional network.

Entities:  

Year:  2012        PMID: 22606121      PMCID: PMC3344118          DOI: 10.1107/S1600536812012329

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


Related literature

For the biological activity of piperazines, see: Bogatcheva et al. (2006 ▶); Brockunier et al. (2004 ▶). For related structures, see: Betz et al. (2011a ▶,b ▶); Fun et al. (2011 ▶); Jebamony & Thomas Muthiah (1998 ▶).

Experimental

Crystal data

C17H19F2N2 +·C7H5O3 −·C7H6O3 M = 564.57 Monoclinic, a = 33.157 (4) Å b = 10.3007 (14) Å c = 20.105 (3) Å β = 124.447 (2)° V = 5662.6 (13) Å3 Z = 8 Mo Kα radiation μ = 0.10 mm−1 T = 130 K 0.39 × 0.37 × 0.20 mm

Data collection

Bruker SMART APEX diffractometer Absorption correction: multi-scan (SADABS; Sheldrick, 2004 ▶) T min = 0.962, T max = 0.980 26180 measured reflections 6761 independent reflections 4481 reflections with I > 2σ(I) R int = 0.045

Refinement

R[F 2 > 2σ(F 2)] = 0.047 wR(F 2) = 0.138 S = 0.86 6761 reflections 373 parameters H-atom parameters constrained Δρmax = 0.27 e Å−3 Δρmin = −0.21 e Å−3 Data collection: SMART (Bruker, 2002 ▶); cell refinement: SAINT (Bruker, 2002 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and local programs. Crystal structure: contains datablock(s) I, global. DOI: 10.1107/S1600536812012329/bt5853sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536812012329/bt5853Isup2.hkl Supplementary material file. DOI: 10.1107/S1600536812012329/bt5853Isup3.cml Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C17H19F2N2+·C7H5O3·C7H6O3F(000) = 2368
Mr = 564.57Dx = 1.324 Mg m3
Monoclinic, C2/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -C 2ycCell parameters from 3289 reflections
a = 33.157 (4) Åθ = 2.2–21.4°
b = 10.3007 (14) ŵ = 0.10 mm1
c = 20.105 (3) ÅT = 130 K
β = 124.447 (2)°Prism, colourless
V = 5662.6 (13) Å30.39 × 0.37 × 0.20 mm
Z = 8
Bruker SMART APEX diffractometer6761 independent reflections
Radiation source: sealed tube4481 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.045
φ and ω scansθmax = 27.9°, θmin = 1.5°
Absorption correction: multi-scan (SADABS; Sheldrick, 2004)h = −43→43
Tmin = 0.962, Tmax = 0.980k = −13→13
26180 measured reflectionsl = −26→23
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.047Hydrogen site location: difference Fourier map
wR(F2) = 0.138H-atom parameters constrained
S = 0.86w = 1/[σ2(Fo2) + (0.0737P)2 + 5.3951P] where P = (Fo2 + 2Fc2)/3
6761 reflections(Δ/σ)max < 0.001
373 parametersΔρmax = 0.27 e Å3
0 restraintsΔρmin = −0.21 e Å3
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.
xyzUiso*/Ueq
F1−0.02784 (6)0.43978 (13)0.29760 (8)0.0704 (5)
F20.09200 (5)1.15292 (13)0.19161 (7)0.0558 (4)
N10.13141 (5)0.87077 (13)0.50424 (8)0.0238 (3)
N20.20766 (5)0.90714 (14)0.67270 (8)0.0280 (3)
H2C0.19560.97160.68860.034*
H2D0.23810.88410.71660.034*
C10.08253 (6)0.89679 (16)0.42988 (10)0.0252 (4)
H1A0.06430.95430.44440.030*
C20.12578 (6)0.82397 (16)0.56757 (10)0.0263 (4)
H2A0.10490.74540.54820.032*
H2B0.10910.89130.57890.032*
C30.17451 (6)0.79218 (16)0.64442 (10)0.0281 (4)
H3A0.16950.76590.68660.034*
H3B0.18980.71850.63470.034*
C40.21198 (6)0.95705 (17)0.60753 (10)0.0290 (4)
H4A0.22810.89110.59430.035*
H4B0.23251.03630.62640.035*
C50.16196 (6)0.98805 (16)0.53291 (10)0.0263 (4)
H5A0.14621.05610.54560.032*
H5B0.16531.02150.49010.032*
C310.08625 (6)0.96641 (16)0.36695 (10)0.0259 (4)
C320.06248 (7)1.08357 (19)0.33563 (11)0.0345 (4)
H32A0.04491.12130.35510.041*
C330.06396 (7)1.1470 (2)0.27582 (12)0.0415 (5)
H33A0.04731.22690.25380.050*
C340.08997 (7)1.0914 (2)0.24974 (11)0.0370 (5)
C350.11481 (7)0.9764 (2)0.28002 (11)0.0362 (4)
H35A0.13320.94110.26140.043*
C360.11238 (7)0.91335 (18)0.33841 (11)0.0319 (4)
H36A0.12880.83280.35930.038*
C410.05368 (6)0.77155 (17)0.39516 (10)0.0275 (4)
C420.07650 (7)0.65443 (17)0.40271 (11)0.0338 (4)
H42A0.11110.65110.43110.041*
C430.04914 (8)0.54192 (19)0.36909 (12)0.0431 (5)
H43A0.06450.46130.37380.052*
C44−0.00086 (9)0.5509 (2)0.32877 (12)0.0473 (6)
C45−0.02476 (8)0.6645 (2)0.31923 (12)0.0449 (5)
H45A−0.05940.66720.29040.054*
C460.00301 (7)0.7753 (2)0.35278 (11)0.0350 (4)
H46A−0.01280.85560.34680.042*
O110.26379 (5)0.42053 (13)0.65952 (8)0.0436 (4)
O120.26128 (5)0.62897 (12)0.62845 (8)0.0369 (3)
H120.27970.63540.67890.055*
O130.21326 (9)0.25463 (17)0.54577 (11)0.0899 (7)
H130.23070.28180.59350.135*
C100.24981 (7)0.50656 (17)0.60834 (11)0.0309 (4)
C110.21896 (6)0.48031 (18)0.52110 (11)0.0319 (4)
C120.20593 (7)0.5776 (2)0.46407 (11)0.0357 (4)
H12A0.21710.66380.48160.043*
C130.17710 (7)0.5505 (2)0.38262 (12)0.0450 (5)
H13A0.16850.61750.34430.054*
C140.16096 (9)0.4253 (3)0.35743 (14)0.0609 (7)
H14A0.14100.40640.30140.073*
C150.17332 (11)0.3276 (3)0.41204 (16)0.0743 (9)
H15A0.16210.24160.39370.089*
C160.20226 (9)0.3541 (2)0.49448 (14)0.0554 (6)
O210.30573 (5)0.85892 (12)0.77852 (8)0.0380 (3)
O220.31737 (5)0.64556 (11)0.78271 (7)0.0335 (3)
O230.37289 (5)1.00850 (13)0.88348 (10)0.0485 (4)
H230.34470.98760.84460.073*
C200.33227 (6)0.75940 (16)0.80967 (10)0.0272 (4)
C210.38365 (6)0.77746 (16)0.88016 (10)0.0256 (4)
C220.40114 (7)0.90104 (17)0.91386 (11)0.0314 (4)
C230.44917 (7)0.9159 (2)0.98053 (12)0.0381 (5)
H23B0.46100.99971.00300.046*
C240.47949 (7)0.8101 (2)1.01393 (12)0.0400 (5)
H24A0.51200.82081.06010.048*
C250.46300 (7)0.6875 (2)0.98067 (12)0.0380 (5)
H25A0.48410.61461.00350.046*
C260.41582 (7)0.67260 (17)0.91448 (11)0.0306 (4)
H26A0.40480.58870.89150.037*
U11U22U33U12U13U23
F10.0875 (10)0.0534 (8)0.0425 (7)−0.0436 (8)0.0201 (7)−0.0115 (6)
F20.0613 (8)0.0717 (9)0.0370 (7)−0.0058 (7)0.0295 (6)0.0173 (6)
N10.0243 (7)0.0247 (7)0.0190 (7)−0.0016 (6)0.0102 (6)0.0004 (5)
N20.0287 (8)0.0272 (7)0.0188 (7)0.0012 (6)0.0079 (6)0.0005 (6)
C10.0269 (9)0.0257 (8)0.0221 (8)0.0015 (7)0.0134 (7)0.0001 (6)
C20.0296 (9)0.0250 (8)0.0219 (8)−0.0019 (7)0.0132 (7)−0.0005 (7)
C30.0335 (9)0.0244 (8)0.0224 (8)−0.0003 (7)0.0133 (8)0.0020 (7)
C40.0276 (9)0.0308 (9)0.0232 (8)−0.0037 (7)0.0112 (7)0.0004 (7)
C50.0276 (9)0.0263 (8)0.0208 (8)−0.0039 (7)0.0111 (7)0.0004 (7)
C310.0226 (8)0.0293 (9)0.0191 (8)−0.0023 (7)0.0078 (7)−0.0013 (7)
C320.0316 (10)0.0382 (10)0.0322 (10)0.0060 (8)0.0171 (8)0.0085 (8)
C330.0377 (11)0.0425 (11)0.0383 (11)0.0061 (9)0.0179 (9)0.0157 (9)
C340.0335 (10)0.0495 (11)0.0216 (9)−0.0097 (9)0.0117 (8)0.0054 (8)
C350.0369 (10)0.0474 (11)0.0267 (9)−0.0055 (9)0.0195 (8)−0.0059 (8)
C360.0347 (10)0.0328 (9)0.0258 (9)0.0016 (8)0.0157 (8)−0.0005 (7)
C410.0298 (9)0.0322 (9)0.0193 (8)−0.0040 (7)0.0132 (7)−0.0013 (7)
C420.0386 (10)0.0320 (9)0.0262 (9)−0.0031 (8)0.0157 (8)−0.0021 (7)
C430.0633 (14)0.0299 (10)0.0306 (10)−0.0069 (9)0.0231 (10)−0.0032 (8)
C440.0568 (14)0.0462 (12)0.0247 (10)−0.0298 (11)0.0145 (10)−0.0085 (9)
C450.0367 (11)0.0589 (14)0.0285 (10)−0.0172 (10)0.0120 (9)−0.0008 (9)
C460.0299 (10)0.0447 (11)0.0250 (9)−0.0051 (8)0.0123 (8)0.0000 (8)
O110.0574 (9)0.0336 (7)0.0321 (7)−0.0096 (7)0.0208 (7)0.0002 (6)
O120.0432 (8)0.0277 (6)0.0261 (7)0.0005 (6)0.0114 (6)−0.0047 (5)
O130.1187 (18)0.0419 (10)0.0549 (11)−0.0374 (10)0.0165 (12)−0.0063 (9)
C100.0319 (9)0.0304 (9)0.0298 (9)−0.0035 (7)0.0171 (8)−0.0025 (7)
C110.0275 (9)0.0357 (10)0.0283 (9)−0.0049 (8)0.0134 (8)−0.0058 (8)
C120.0312 (10)0.0410 (10)0.0318 (10)−0.0009 (8)0.0159 (8)−0.0032 (8)
C130.0361 (11)0.0642 (14)0.0292 (10)0.0020 (10)0.0152 (9)−0.0013 (10)
C140.0469 (13)0.0823 (19)0.0323 (12)−0.0077 (13)0.0097 (11)−0.0219 (12)
C150.0783 (19)0.0596 (16)0.0462 (15)−0.0229 (14)0.0119 (14)−0.0231 (13)
C160.0601 (15)0.0418 (12)0.0397 (12)−0.0186 (11)0.0134 (11)−0.0099 (10)
O210.0328 (7)0.0314 (7)0.0348 (7)0.0038 (6)0.0102 (6)0.0002 (6)
O220.0393 (7)0.0266 (6)0.0256 (6)−0.0061 (5)0.0131 (6)−0.0041 (5)
O230.0414 (8)0.0256 (7)0.0559 (10)0.0013 (6)0.0139 (7)−0.0105 (6)
C200.0317 (9)0.0265 (8)0.0225 (8)−0.0013 (7)0.0149 (8)−0.0006 (7)
C210.0292 (9)0.0251 (8)0.0218 (8)−0.0022 (7)0.0140 (7)−0.0011 (7)
C220.0341 (10)0.0278 (9)0.0308 (10)−0.0012 (7)0.0174 (8)−0.0048 (7)
C230.0363 (11)0.0398 (11)0.0339 (10)−0.0105 (9)0.0173 (9)−0.0124 (8)
C240.0288 (10)0.0555 (12)0.0269 (10)−0.0068 (9)0.0105 (8)−0.0028 (9)
C250.0356 (11)0.0412 (11)0.0344 (10)0.0079 (9)0.0182 (9)0.0094 (9)
C260.0362 (10)0.0269 (9)0.0282 (9)−0.0016 (7)0.0180 (8)0.0005 (7)
F1—C441.368 (2)C43—H43A0.9500
F2—C341.364 (2)C44—C451.364 (3)
N1—C51.469 (2)C45—C461.379 (3)
N1—C21.469 (2)C45—H45A0.9500
N1—C11.481 (2)C46—H46A0.9500
N2—C41.488 (2)O11—C101.233 (2)
N2—C31.492 (2)O12—C101.313 (2)
N2—H2C0.9200O12—H120.8400
N2—H2D0.9200O13—C161.349 (3)
C1—C411.520 (2)O13—H130.8400
C1—C311.519 (2)C10—C111.472 (3)
C1—H1A1.0000C11—C161.396 (3)
C2—C31.510 (2)C11—C121.395 (3)
C2—H2A0.9900C12—C131.379 (3)
C2—H2B0.9900C12—H12A0.9500
C3—H3A0.9900C13—C141.379 (3)
C3—H3B0.9900C13—H13A0.9500
C4—C51.513 (2)C14—C151.370 (4)
C4—H4A0.9900C14—H14A0.9500
C4—H4B0.9900C15—C161.394 (3)
C5—H5A0.9900C15—H15A0.9500
C5—H5B0.9900O21—C201.262 (2)
C31—C321.383 (2)O22—C201.269 (2)
C31—C361.393 (2)O23—C221.352 (2)
C32—C331.393 (3)O23—H230.8400
C32—H32A0.9500C20—C211.488 (2)
C33—C341.363 (3)C21—C261.396 (2)
C33—H33A0.9500C21—C221.404 (2)
C34—C351.373 (3)C22—C231.393 (3)
C35—C361.383 (3)C23—C241.373 (3)
C35—H35A0.9500C23—H23B0.9500
C36—H36A0.9500C24—C251.388 (3)
C41—C421.386 (3)C24—H24A0.9500
C41—C461.389 (3)C25—C261.373 (3)
C42—C431.389 (3)C25—H25A0.9500
C42—H42A0.9500C26—H26A0.9500
C43—C441.376 (3)
C5—N1—C2109.10 (13)C41—C42—C43120.49 (19)
C5—N1—C1111.43 (12)C41—C42—H42A119.8
C2—N1—C1109.35 (13)C43—C42—H42A119.8
C4—N2—C3110.84 (13)C44—C43—C42117.9 (2)
C4—N2—H2C109.5C44—C43—H43A121.1
C3—N2—H2C109.5C42—C43—H43A121.1
C4—N2—H2D109.5C45—C44—F1118.4 (2)
C3—N2—H2D109.5C45—C44—C43123.46 (18)
H2C—N2—H2D108.1F1—C44—C43118.1 (2)
N1—C1—C41110.80 (13)C44—C45—C46117.8 (2)
N1—C1—C31111.61 (14)C44—C45—H45A121.1
C41—C1—C31110.16 (13)C46—C45—H45A121.1
N1—C1—H1A108.0C45—C46—C41121.2 (2)
C41—C1—H1A108.0C45—C46—H46A119.4
C31—C1—H1A108.0C41—C46—H46A119.4
N1—C2—C3111.77 (14)C10—O12—H12109.5
N1—C2—H2A109.3C16—O13—H13109.5
C3—C2—H2A109.3O11—C10—O12121.78 (16)
N1—C2—H2B109.3O11—C10—C11122.85 (17)
C3—C2—H2B109.3O12—C10—C11115.37 (16)
H2A—C2—H2B107.9C16—C11—C12118.86 (18)
N2—C3—C2110.42 (13)C16—C11—C10119.05 (18)
N2—C3—H3A109.6C12—C11—C10122.08 (17)
C2—C3—H3A109.6C13—C12—C11121.03 (19)
N2—C3—H3B109.6C13—C12—H12A119.5
C2—C3—H3B109.6C11—C12—H12A119.5
H3A—C3—H3B108.1C14—C13—C12119.3 (2)
N2—C4—C5110.40 (14)C14—C13—H13A120.3
N2—C4—H4A109.6C12—C13—H13A120.3
C5—C4—H4A109.6C13—C14—C15121.0 (2)
N2—C4—H4B109.6C13—C14—H14A119.5
C5—C4—H4B109.6C15—C14—H14A119.5
H4A—C4—H4B108.1C14—C15—C16120.1 (2)
N1—C5—C4109.97 (13)C14—C15—H15A119.9
N1—C5—H5A109.7C16—C15—H15A119.9
C4—C5—H5A109.7O13—C16—C15117.8 (2)
N1—C5—H5B109.7O13—C16—C11122.5 (2)
C4—C5—H5B109.7C15—C16—C11119.7 (2)
H5A—C5—H5B108.2C22—O23—H23109.5
C32—C31—C36118.80 (16)O21—C20—O22123.02 (16)
C32—C31—C1119.83 (16)O21—C20—C21118.18 (15)
C36—C31—C1121.36 (15)O22—C20—C21118.80 (15)
C31—C32—C33120.86 (18)C26—C21—C22118.14 (16)
C31—C32—H32A119.6C26—C21—C20121.14 (15)
C33—C32—H32A119.6C22—C21—C20120.72 (15)
C34—C33—C32118.29 (18)O23—C22—C23117.87 (16)
C34—C33—H33A120.9O23—C22—C21122.19 (16)
C32—C33—H33A120.9C23—C22—C21119.94 (17)
F2—C34—C35118.22 (19)C24—C23—C22120.37 (18)
F2—C34—C33118.89 (18)C24—C23—H23B119.8
C35—C34—C33122.89 (18)C22—C23—H23B119.8
C34—C35—C36118.25 (18)C23—C24—C25120.42 (18)
C34—C35—H35A120.9C23—C24—H24A119.8
C36—C35—H35A120.9C25—C24—H24A119.8
C35—C36—C31120.89 (17)C26—C25—C24119.40 (18)
C35—C36—H36A119.6C26—C25—H25A120.3
C31—C36—H36A119.6C24—C25—H25A120.3
C42—C41—C46119.15 (17)C25—C26—C21121.71 (17)
C42—C41—C1121.71 (16)C25—C26—H26A119.1
C46—C41—C1119.11 (16)C21—C26—H26A119.1
C5—N1—C1—C41172.94 (14)F1—C44—C45—C46178.36 (17)
C2—N1—C1—C41−66.37 (17)C43—C44—C45—C46−0.8 (3)
C5—N1—C1—C3149.78 (18)C44—C45—C46—C41−0.2 (3)
C2—N1—C1—C31170.47 (13)C42—C41—C46—C450.9 (3)
C5—N1—C2—C3−59.47 (17)C1—C41—C46—C45179.10 (17)
C1—N1—C2—C3178.43 (13)O11—C10—C11—C163.9 (3)
C4—N2—C3—C2−53.61 (19)O12—C10—C11—C16−175.59 (19)
N1—C2—C3—N255.98 (18)O11—C10—C11—C12−176.00 (18)
C3—N2—C4—C555.80 (18)O12—C10—C11—C124.6 (3)
C2—N1—C5—C460.67 (18)C16—C11—C12—C13−0.1 (3)
C1—N1—C5—C4−178.49 (14)C10—C11—C12—C13179.79 (18)
N2—C4—C5—N1−59.57 (18)C11—C12—C13—C140.0 (3)
N1—C1—C31—C32−123.99 (17)C12—C13—C14—C15−0.3 (4)
C41—C1—C31—C32112.49 (18)C13—C14—C15—C160.6 (5)
N1—C1—C31—C3657.4 (2)C14—C15—C16—O13179.8 (3)
C41—C1—C31—C36−66.1 (2)C14—C15—C16—C11−0.6 (5)
C36—C31—C32—C330.9 (3)C12—C11—C16—O13180.0 (2)
C1—C31—C32—C33−177.75 (17)C10—C11—C16—O130.1 (4)
C31—C32—C33—C34−0.8 (3)C12—C11—C16—C150.3 (4)
C32—C33—C34—F2−179.56 (17)C10—C11—C16—C15−179.5 (2)
C32—C33—C34—C35−0.3 (3)O21—C20—C21—C26−176.14 (16)
F2—C34—C35—C36−179.38 (16)O22—C20—C21—C262.6 (3)
C33—C34—C35—C361.3 (3)O21—C20—C21—C223.7 (3)
C34—C35—C36—C31−1.3 (3)O22—C20—C21—C22−177.59 (16)
C32—C31—C36—C350.2 (3)C26—C21—C22—O23178.55 (17)
C1—C31—C36—C35178.82 (16)C20—C21—C22—O23−1.3 (3)
N1—C1—C41—C42−32.2 (2)C26—C21—C22—C23−1.0 (3)
C31—C1—C41—C4291.76 (19)C20—C21—C22—C23179.13 (17)
N1—C1—C41—C46149.63 (16)O23—C22—C23—C24179.95 (18)
C31—C1—C41—C46−86.38 (19)C21—C22—C23—C24−0.5 (3)
C46—C41—C42—C43−0.7 (3)C22—C23—C24—C251.4 (3)
C1—C41—C42—C43−178.80 (16)C23—C24—C25—C26−0.7 (3)
C41—C42—C43—C44−0.3 (3)C24—C25—C26—C21−0.8 (3)
C42—C43—C44—C451.0 (3)C22—C21—C26—C251.7 (3)
C42—C43—C44—F1−178.13 (17)C20—C21—C26—C25−178.48 (17)
D—H···AD—HH···AD···AD—H···A
N2—H2C···O22i0.922.002.892 (2)162
N2—H2D···O210.921.872.742 (2)158
O12—H12···O220.841.732.5654 (18)179
O13—H13···O110.841.832.574 (2)146
O23—H23···O210.841.802.544 (2)146
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
N2—H2C⋯O22i0.922.002.892 (2)162
N2—H2D⋯O210.921.872.742 (2)158
O12—H12⋯O220.841.732.5654 (18)179
O13—H13⋯O110.841.832.574 (2)146
O23—H23⋯O210.841.802.544 (2)146

Symmetry code: (i) .

  6 in total

1.  Identification of new diamine scaffolds with activity against Mycobacterium tuberculosis.

Authors:  Elena Bogatcheva; Colleen Hanrahan; Boris Nikonenko; Rowena Samala; Ping Chen; Jacqueline Gearhart; Francis Barbosa; Leo Einck; Carol A Nacy; Marina Protopopova
Journal:  J Med Chem       Date:  2006-06-01       Impact factor: 7.446

2.  A short history of SHELX.

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

3.  Substituted piperazines as novel dipeptidyl peptidase IV inhibitors.

Authors:  Linda L Brockunier; Jiafang He; Lawrence F Colwell; Bahanu Habulihaz; Huaibing He; Barbara Leiting; Kathryn A Lyons; Frank Marsilio; Reshma A Patel; Yohannes Teffera; Joseph K Wu; Nancy A Thornberry; Ann E Weber; Emma R Parmee
Journal:  Bioorg Med Chem Lett       Date:  2004-09-20       Impact factor: 2.823

4.  Cyclo-benzaprinium salicylate.

Authors:  Hoong-Kun Fun; Chin Sing Yeap; M S Siddegowda; H S Yathirajan; B Narayana
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2011-06-04

5.  4-[Bis(4-fluorophenyl)methyl]piperazin-1-ium picrate.

Authors:  Richard Betz; Thomas Gerber; Eric Hosten; Alaloor S Dayananda; Hemmige S Yathirajan; Badiadka Narayana
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2011-09-14

6.  4-[Bis(4-fluorophenyl)methyl]piperazin-1-ium 2-(2-phenylethyl)benzoate.

Authors:  Richard Betz; Thomas Gerber; Eric Hosten; Alaloor S Dayananda; Hemmige S Yathirajan
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2011-09-30
  6 in total
  2 in total

1.  4-(2-Meth-oxy-phen-yl)piperazin-1-ium 6-chloro-5-isopropyl-2,4-dioxopyrimidin-1-ide.

Authors:  Fatmah A M Al-Omary; Hazem A Ghabbour; Ali A El-Emam; C S Chidan Kumar; Hoong-Kun Fun
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2014-02-05

2.  1-{4-[Bis(4-fluoro-phen-yl)meth-yl]piperazin-1-yl}ethanone.

Authors:  A S Dayananda; H S Yathirajan; Amanda C Keeley; Jerry P Jasinski
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-06-27
  2 in total

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