organic compounds
Bis(1,10-phenanthrolin-1-ium) 9,10-dioxo-9,10-dihydroanthracene-1,5-disulfonate hexahydrate
aDepartment of Chemistry, Baicheng Normal College, Baicheng, Jilin 137000, People's Republic of China
The title hydrated molecular salt, 2C12H9N2+·C14H6O8S22−·6H2O, consists of 1,10-phenanthrolinium (phen-H+) cations, anthraquinone-1,5-disulfonate (AQDS2−) anions, which occupy a centre of inversion, and water molecules of crystallization. In the crystal, a supramolecular network structure is formed via N—H⋯O and O—H⋯O hydrogen bonds and weak C—H⋯O and π–π stacking interactions [centroid–centroid distances = 3.651 (6) and 3.545 (8) Å].
Related literature
For examples of multiple binding of 1,5-naphthalenedisulfonate, see: Gao et al. (2005); Voogt & Blanch (2005). For the of o-phenanthroline, see: Nishigaki et al. (1978). For the changes in protonated o-phenanthroline, see: Shriver et al. (1994). For weakly N—H⋯O hydrogen-bonded sulfonate ligands, see: Onoda et al. (2001). For graph-set analysis of hydrogen-bond patterns, see: Bernstein et al. (1995).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2003); cell SAINT (Bruker, 2001); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008) and DIAMOND (Brandenburg & Berndt, 1999); software used to prepare material for publication: SHELXL97 and PLATON (Spek, 2009).
Supporting information
10.1107/S1600536810053456/si2318sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536810053456/si2318Isup2.hkl
A mixture of disodium anthraquinone-1,5-disulfonate (0.2 mmol, 82.4 mg), FeCl3.6H2O (0.2 mmol, 54.06 mg), 1,10-phenanthroline (0.2 mmol, 39.64 mg), and H2O (10 mL) was sealed in a 23 ml teflonlined stainless steel vessel under autogenous pressure; the vessel was heated to 150°C for 4 days and then cooled to room temperature at a rate of 2.6°C/h. The reaction mixture was filtered and yellow block-shaped crystals were collected by slow evaporation of the solvent.
H atoms were located in difference maps, but were subsequently placed in calculated positions and treated as riding, with C···H = 0.930Å and N···H = 0.860 Å. All H atoms were allocated displacement parameters related to those of their parent atoms [Uiso(H) = 1.2Ueq(C, N)].
Data collection: APEX2 (Bruker, 2003); cell
SAINT (Bruker, 2001); data reduction: SAINT (Bruker, 2001); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008) and DIAMOND (Brandenburg & Berndt, 1999); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009).Fig. 1. The molecular structure of (I) drawn with 30% probability displacement ellipsoids.[symmetry code: 2 – x, 1 – y, 1 – z.] | |
Fig. 2. A perspective view of the two-dimensional structure. Hydrogen bonds and π-π stacking interactions are indicated by dashed lines. H atoms not involved in the hydrogen bonds shown have been omitted. |
2C12H9N2+·C14H6O8S22−·6H2O | Z = 1 |
Mr = 836.83 | F(000) = 436 |
Triclinic, P1 | Dx = 1.494 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 10.0439 (6) Å | Cell parameters from 3063 reflections |
b = 10.1978 (6) Å | θ = 2.4–27.6° |
c = 11.1070 (6) Å | µ = 0.22 mm−1 |
α = 111.591 (1)° | T = 296 K |
β = 98.848 (1)° | Block, yellow |
γ = 111.234 (1)° | 0.24 × 0.22 × 0.20 mm |
V = 930.34 (9) Å3 |
Bruker APEXII CCD area-detector diffractometer | 3499 independent reflections |
Radiation source: fine-focus sealed tube | 2964 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.009 |
ϕ and ω scans | θmax = 25.7°, θmin = 2.1° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −12→9 |
Tmin = 0.782, Tmax = 1.000 | k = −11→12 |
5035 measured reflections | l = −11→13 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.047 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.100 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | w = 1/[σ2(Fo2) + (0.P)2 + 1.1P] where P = (Fo2 + 2Fc2)/3 |
3499 reflections | (Δ/σ)max < 0.001 |
265 parameters | Δρmax = 0.42 e Å−3 |
0 restraints | Δρmin = −0.39 e Å−3 |
2C12H9N2+·C14H6O8S22−·6H2O | γ = 111.234 (1)° |
Mr = 836.83 | V = 930.34 (9) Å3 |
Triclinic, P1 | Z = 1 |
a = 10.0439 (6) Å | Mo Kα radiation |
b = 10.1978 (6) Å | µ = 0.22 mm−1 |
c = 11.1070 (6) Å | T = 296 K |
α = 111.591 (1)° | 0.24 × 0.22 × 0.20 mm |
β = 98.848 (1)° |
Bruker APEXII CCD area-detector diffractometer | 3499 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 2964 reflections with I > 2σ(I) |
Tmin = 0.782, Tmax = 1.000 | Rint = 0.009 |
5035 measured reflections |
R[F2 > 2σ(F2)] = 0.047 | 0 restraints |
wR(F2) = 0.100 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | Δρmax = 0.42 e Å−3 |
3499 reflections | Δρmin = −0.39 e Å−3 |
265 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 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. |
x | y | z | Uiso*/Ueq | Occ. (<1) | |
N1 | 0.7261 (2) | 0.6318 (3) | 0.6490 (2) | 0.0508 (5) | |
H1A | 0.777 (3) | 0.583 (3) | 0.616 (3) | 0.061* | |
N2 | 0.7525 (2) | 0.5796 (3) | 0.3953 (2) | 0.0529 (5) | |
C1 | 0.6554 (3) | 0.6801 (3) | 0.5725 (3) | 0.0473 (6) | |
C2 | 0.7199 (3) | 0.6540 (3) | 0.7734 (3) | 0.0614 (7) | |
H2A | 0.7702 | 0.6189 | 0.8220 | 0.074* | |
C3 | 0.6388 (4) | 0.7293 (4) | 0.8305 (3) | 0.0678 (8) | |
H3A | 0.6351 | 0.7461 | 0.9179 | 0.081* | |
C4 | 0.5642 (3) | 0.7788 (3) | 0.7575 (3) | 0.0654 (8) | |
H4A | 0.5086 | 0.8285 | 0.7953 | 0.078* | |
C5 | 0.5701 (3) | 0.7558 (3) | 0.6260 (3) | 0.0547 (7) | |
C6 | 0.4937 (3) | 0.8035 (3) | 0.5441 (4) | 0.0657 (8) | |
H6 | 0.4366 | 0.8533 | 0.5779 | 0.079* | |
C7 | 0.5030 (3) | 0.7776 (3) | 0.4189 (4) | 0.0661 (8) | |
H7 | 0.4522 | 0.8101 | 0.3678 | 0.079* | |
C8 | 0.5896 (3) | 0.7008 (3) | 0.3618 (3) | 0.0536 (7) | |
C9 | 0.6022 (3) | 0.6695 (3) | 0.2310 (3) | 0.0643 (8) | |
H9A | 0.5532 | 0.6992 | 0.1756 | 0.077* | |
C10 | 0.6866 (4) | 0.5954 (4) | 0.1856 (3) | 0.0652 (8) | |
H10A | 0.6953 | 0.5735 | 0.0990 | 0.078* | |
C11 | 0.7599 (3) | 0.5531 (4) | 0.2714 (3) | 0.0610 (7) | |
H11A | 0.8174 | 0.5030 | 0.2392 | 0.073* | |
C12 | 0.6670 (3) | 0.6521 (3) | 0.4392 (3) | 0.0469 (6) | |
S1 | 0.78814 (8) | 0.11641 (9) | 0.22241 (7) | 0.05292 (19) | |
O1 | 0.6380 (2) | 0.0104 (3) | 0.2065 (3) | 0.0829 (7) | |
O2 | 0.8478 (2) | 0.2720 (2) | 0.3366 (2) | 0.0633 (5) | |
O3 | 0.8023 (3) | 0.1250 (4) | 0.0977 (2) | 0.1002 (9) | |
O4 | 0.7954 (2) | 0.1068 (3) | 0.4845 (2) | 0.0661 (6) | |
C13 | 0.9069 (3) | 0.0280 (3) | 0.2540 (2) | 0.0395 (5) | |
C14 | 0.9501 (2) | 0.0149 (3) | 0.3743 (2) | 0.0346 (5) | |
C15 | 0.8932 (3) | 0.0643 (3) | 0.4908 (2) | 0.0383 (5) | |
C16 | 1.0474 (2) | −0.0535 (3) | 0.3832 (2) | 0.0365 (5) | |
C17 | 1.0957 (3) | −0.1127 (3) | 0.2735 (3) | 0.0506 (6) | |
H17 | 1.1599 | −0.1583 | 0.2805 | 0.061* | |
C18 | 1.0489 (3) | −0.1042 (4) | 0.1554 (3) | 0.0602 (8) | |
H18 | 1.0788 | −0.1465 | 0.0812 | 0.072* | |
C19 | 0.9570 (3) | −0.0324 (3) | 0.1471 (3) | 0.0524 (6) | |
H19 | 0.9281 | −0.0245 | 0.0674 | 0.063* | |
O5 | 0.8925 (2) | 0.4707 (2) | 0.6231 (2) | 0.0661 (6) | |
H5A | 0.9758 | 0.5440 | 0.6439 | 0.099* | |
H5B | 0.8657 | 0.3892 | 0.5524 | 0.099* | |
O6 | 0.6538 (3) | 0.2203 (3) | 0.9409 (3) | 0.1278 (13) | |
H6A | 0.6893 | 0.1913 | 0.9919 | 0.192* | |
H6B | 0.5678 | 0.1470 | 0.9015 | 0.192* | |
O7 | 0.8515 (4) | 0.4711 (3) | 0.9125 (3) | 0.1289 (12) | |
H7A | 0.7860 | 0.3911 | 0.9080 | 0.193* | |
H7B | 0.9314 | 0.4878 | 0.9619 | 0.193* | 0.50 |
H7C | 0.8613 | 0.4715 | 0.8406 | 0.193* | 0.50 |
U11 | U22 | U33 | U12 | U13 | U23 | |
N1 | 0.0456 (13) | 0.0436 (12) | 0.0565 (14) | 0.0198 (10) | 0.0116 (10) | 0.0190 (11) |
N2 | 0.0491 (13) | 0.0509 (13) | 0.0583 (14) | 0.0265 (11) | 0.0134 (11) | 0.0228 (11) |
C1 | 0.0359 (13) | 0.0337 (12) | 0.0602 (16) | 0.0118 (10) | 0.0078 (11) | 0.0169 (12) |
C2 | 0.0577 (18) | 0.0542 (17) | 0.0579 (18) | 0.0174 (14) | 0.0096 (14) | 0.0233 (14) |
C3 | 0.0648 (19) | 0.0566 (18) | 0.0622 (19) | 0.0178 (16) | 0.0222 (16) | 0.0171 (15) |
C4 | 0.0542 (17) | 0.0481 (16) | 0.077 (2) | 0.0190 (14) | 0.0266 (16) | 0.0151 (15) |
C5 | 0.0419 (14) | 0.0389 (14) | 0.0711 (19) | 0.0155 (12) | 0.0154 (13) | 0.0173 (13) |
C6 | 0.0515 (17) | 0.0521 (17) | 0.094 (2) | 0.0305 (14) | 0.0218 (16) | 0.0285 (17) |
C7 | 0.0518 (17) | 0.0539 (17) | 0.095 (2) | 0.0287 (14) | 0.0111 (16) | 0.0376 (17) |
C8 | 0.0426 (14) | 0.0402 (14) | 0.0718 (19) | 0.0154 (12) | 0.0078 (13) | 0.0275 (13) |
C9 | 0.0605 (18) | 0.0559 (17) | 0.076 (2) | 0.0212 (15) | 0.0093 (15) | 0.0398 (16) |
C10 | 0.0660 (19) | 0.0627 (19) | 0.0659 (19) | 0.0239 (16) | 0.0191 (15) | 0.0350 (16) |
C11 | 0.0562 (17) | 0.0614 (18) | 0.0654 (19) | 0.0291 (15) | 0.0193 (14) | 0.0271 (15) |
C12 | 0.0368 (13) | 0.0355 (13) | 0.0595 (16) | 0.0132 (11) | 0.0079 (11) | 0.0196 (12) |
S1 | 0.0617 (4) | 0.0595 (4) | 0.0475 (4) | 0.0369 (4) | 0.0117 (3) | 0.0279 (3) |
O1 | 0.0439 (12) | 0.0733 (15) | 0.1110 (19) | 0.0275 (11) | 0.0012 (12) | 0.0309 (14) |
O2 | 0.0819 (14) | 0.0497 (11) | 0.0684 (13) | 0.0355 (11) | 0.0266 (11) | 0.0308 (10) |
O3 | 0.161 (3) | 0.153 (3) | 0.0635 (14) | 0.122 (2) | 0.0502 (16) | 0.0712 (16) |
O4 | 0.0783 (14) | 0.1073 (17) | 0.0764 (14) | 0.0750 (14) | 0.0483 (12) | 0.0644 (13) |
C13 | 0.0372 (12) | 0.0404 (12) | 0.0392 (12) | 0.0173 (10) | 0.0100 (10) | 0.0182 (10) |
C14 | 0.0320 (11) | 0.0330 (11) | 0.0369 (12) | 0.0143 (9) | 0.0106 (9) | 0.0151 (9) |
C15 | 0.0385 (12) | 0.0396 (12) | 0.0464 (13) | 0.0227 (10) | 0.0181 (10) | 0.0229 (11) |
C16 | 0.0356 (12) | 0.0370 (12) | 0.0375 (12) | 0.0179 (10) | 0.0138 (9) | 0.0160 (10) |
C17 | 0.0522 (15) | 0.0625 (17) | 0.0479 (15) | 0.0370 (14) | 0.0225 (12) | 0.0228 (13) |
C18 | 0.0671 (19) | 0.083 (2) | 0.0429 (15) | 0.0455 (17) | 0.0283 (14) | 0.0256 (15) |
C19 | 0.0560 (16) | 0.0664 (18) | 0.0388 (13) | 0.0302 (14) | 0.0160 (12) | 0.0258 (13) |
O5 | 0.0582 (12) | 0.0608 (12) | 0.0744 (14) | 0.0309 (10) | 0.0177 (10) | 0.0243 (11) |
O6 | 0.0916 (19) | 0.0847 (18) | 0.170 (3) | 0.0179 (15) | −0.0330 (19) | 0.074 (2) |
O7 | 0.123 (2) | 0.091 (2) | 0.150 (3) | 0.0416 (19) | −0.005 (2) | 0.061 (2) |
N1—C2 | 1.330 (4) | S1—O1 | 1.439 (2) |
N1—C1 | 1.359 (3) | S1—O2 | 1.443 (2) |
N1—H1A | 0.87 (3) | S1—O3 | 1.445 (2) |
N2—C11 | 1.320 (4) | S1—C13 | 1.801 (2) |
N2—C12 | 1.359 (3) | O4—C15 | 1.211 (3) |
C1—C5 | 1.408 (4) | C13—C19 | 1.384 (3) |
C1—C12 | 1.433 (4) | C13—C14 | 1.409 (3) |
C2—C3 | 1.382 (4) | C14—C16 | 1.402 (3) |
C2—H2A | 0.9300 | C14—C15 | 1.487 (3) |
C3—C4 | 1.364 (4) | C15—C16i | 1.494 (3) |
C3—H3A | 0.9300 | C16—C17 | 1.391 (3) |
C4—C5 | 1.406 (4) | C16—C15i | 1.494 (3) |
C4—H4A | 0.9300 | C17—C18 | 1.369 (4) |
C5—C6 | 1.427 (4) | C17—H17 | 0.9300 |
C6—C7 | 1.341 (4) | C18—C19 | 1.381 (4) |
C6—H6 | 0.9300 | C18—H18 | 0.9300 |
C7—C8 | 1.439 (4) | C19—H19 | 0.9300 |
C7—H7 | 0.9300 | O5—H5A | 0.8200 |
C8—C9 | 1.405 (4) | O5—H5B | 0.8200 |
C8—C12 | 1.406 (3) | O6—H6A | 0.8201 |
C9—C10 | 1.363 (4) | O6—H6B | 0.8200 |
C9—H9A | 0.9300 | O7—H7A | 0.8199 |
C10—C11 | 1.398 (4) | O7—H7B | 0.8200 |
C10—H10A | 0.9300 | O7—H7C | 0.8200 |
C11—H11A | 0.9300 | ||
C2—N1—C1 | 123.0 (3) | C10—C11—H11A | 117.9 |
C2—N1—H1A | 117.5 (19) | N2—C12—C8 | 123.9 (3) |
C1—N1—H1A | 119.5 (19) | N2—C12—C1 | 117.7 (2) |
C11—N2—C12 | 116.6 (2) | C8—C12—C1 | 118.4 (2) |
N1—C1—C5 | 118.8 (3) | O1—S1—O2 | 113.37 (14) |
N1—C1—C12 | 120.0 (2) | O1—S1—O3 | 113.36 (17) |
C5—C1—C12 | 121.2 (2) | O2—S1—O3 | 111.51 (15) |
N1—C2—C3 | 120.1 (3) | O1—S1—C13 | 106.06 (12) |
N1—C2—H2A | 119.9 | O2—S1—C13 | 108.18 (11) |
C3—C2—H2A | 119.9 | O3—S1—C13 | 103.59 (12) |
C4—C3—C2 | 119.3 (3) | C19—C13—C14 | 119.0 (2) |
C4—C3—H3A | 120.3 | C19—C13—S1 | 114.84 (18) |
C2—C3—H3A | 120.3 | C14—C13—S1 | 126.17 (18) |
C3—C4—C5 | 121.0 (3) | C16—C14—C13 | 118.6 (2) |
C3—C4—H4A | 119.5 | C16—C14—C15 | 117.95 (19) |
C5—C4—H4A | 119.5 | C13—C14—C15 | 123.4 (2) |
C4—C5—C1 | 117.7 (3) | O4—C15—C14 | 122.0 (2) |
C4—C5—C6 | 123.7 (3) | O4—C15—C16i | 118.9 (2) |
C1—C5—C6 | 118.6 (3) | C14—C15—C16i | 119.07 (19) |
C7—C6—C5 | 121.0 (3) | C17—C16—C14 | 120.7 (2) |
C7—C6—H6 | 119.5 | C17—C16—C15i | 116.5 (2) |
C5—C6—H6 | 119.5 | C14—C16—C15i | 122.7 (2) |
C6—C7—C8 | 121.6 (3) | C18—C17—C16 | 120.1 (2) |
C6—C7—H7 | 119.2 | C18—C17—H17 | 119.9 |
C8—C7—H7 | 119.2 | C16—C17—H17 | 119.9 |
C9—C8—C12 | 116.7 (3) | C17—C18—C19 | 119.7 (2) |
C9—C8—C7 | 124.0 (3) | C17—C18—H18 | 120.2 |
C12—C8—C7 | 119.3 (3) | C19—C18—H18 | 120.2 |
C10—C9—C8 | 119.8 (3) | C18—C19—C13 | 121.8 (2) |
C10—C9—H9A | 120.1 | C18—C19—H19 | 119.1 |
C8—C9—H9A | 120.1 | C13—C19—H19 | 119.1 |
C9—C10—C11 | 118.9 (3) | H5A—O5—H5B | 117.0 |
C9—C10—H10A | 120.5 | H6A—O6—H6B | 100.6 |
C11—C10—H10A | 120.5 | H7A—O7—H7B | 106.1 |
N2—C11—C10 | 124.1 (3) | H7A—O7—H7C | 118.2 |
N2—C11—H11A | 117.9 | H7B—O7—H7C | 109.6 |
C2—N1—C1—C5 | −0.7 (4) | C5—C1—C12—N2 | 179.5 (2) |
C2—N1—C1—C12 | 180.0 (2) | N1—C1—C12—C8 | 178.7 (2) |
C1—N1—C2—C3 | 0.0 (4) | C5—C1—C12—C8 | −0.6 (4) |
N1—C2—C3—C4 | 0.7 (4) | O1—S1—C13—C19 | 109.1 (2) |
C2—C3—C4—C5 | −0.7 (4) | O2—S1—C13—C19 | −129.0 (2) |
C3—C4—C5—C1 | 0.0 (4) | O3—S1—C13—C19 | −10.6 (2) |
C3—C4—C5—C6 | 179.5 (3) | O1—S1—C13—C14 | −70.5 (2) |
N1—C1—C5—C4 | 0.7 (4) | O2—S1—C13—C14 | 51.5 (2) |
C12—C1—C5—C4 | 180.0 (2) | O3—S1—C13—C14 | 169.9 (2) |
N1—C1—C5—C6 | −178.8 (2) | C19—C13—C14—C16 | 2.4 (3) |
C12—C1—C5—C6 | 0.5 (4) | S1—C13—C14—C16 | −178.08 (17) |
C4—C5—C6—C7 | −179.7 (3) | C19—C13—C14—C15 | −175.1 (2) |
C1—C5—C6—C7 | −0.2 (4) | S1—C13—C14—C15 | 4.4 (3) |
C5—C6—C7—C8 | 0.1 (5) | C16—C14—C15—O4 | −171.1 (2) |
C6—C7—C8—C9 | 179.4 (3) | C13—C14—C15—O4 | 6.4 (4) |
C6—C7—C8—C12 | −0.3 (4) | C16—C14—C15—C16i | 5.7 (3) |
C12—C8—C9—C10 | 0.0 (4) | C13—C14—C15—C16i | −176.7 (2) |
C7—C8—C9—C10 | −179.7 (3) | C13—C14—C16—C17 | −2.4 (3) |
C8—C9—C10—C11 | −0.4 (4) | C15—C14—C16—C17 | 175.3 (2) |
C12—N2—C11—C10 | 0.3 (4) | C13—C14—C16—C15i | 176.4 (2) |
C9—C10—C11—N2 | 0.3 (5) | C15—C14—C16—C15i | −5.9 (4) |
C11—N2—C12—C8 | −0.8 (4) | C14—C16—C17—C18 | 0.3 (4) |
C11—N2—C12—C1 | 179.1 (2) | C15i—C16—C17—C18 | −178.6 (2) |
C9—C8—C12—N2 | 0.7 (4) | C16—C17—C18—C19 | 1.8 (4) |
C7—C8—C12—N2 | −179.6 (2) | C17—C18—C19—C13 | −1.8 (5) |
C9—C8—C12—C1 | −179.2 (2) | C14—C13—C19—C18 | −0.4 (4) |
C7—C8—C12—C1 | 0.5 (4) | S1—C13—C19—C18 | −179.9 (2) |
N1—C1—C12—N2 | −1.3 (3) |
Symmetry code: (i) −x+2, −y, −z+1. |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···O5 | 0.87 (3) | 1.91 (3) | 2.713 (3) | 153 (3) |
O5—H5A···O2ii | 0.82 | 1.97 | 2.776 (3) | 168 |
O5—H5B···O2 | 0.82 | 2.19 | 2.931 (3) | 150 |
O5—H5B···O4 | 0.82 | 2.48 | 3.131 (3) | 138 |
O6—H6A···O3iii | 0.82 | 1.96 | 2.775 (3) | 170 |
O6—H6B···O1iv | 0.82 | 1.92 | 2.739 (3) | 172 |
O7—H7A···O6 | 0.82 | 1.97 | 2.774 (4) | 167 |
O7—H7B···O7v | 0.82 | 2.20 | 3.021 (6) | 178 |
O7—H7C···O5 | 0.82 | 2.48 | 3.301 (4) | 179 |
C2—H2A···O7 | 0.93 | 2.39 | 3.300 (4) | 167 |
C4—H4A···O1vi | 0.93 | 2.58 | 3.418 (4) | 151 |
C6—H6···O4vi | 0.93 | 2.54 | 3.350 (3) | 145 |
C18—H18···O3vii | 0.93 | 2.51 | 3.357 (4) | 152 |
Symmetry codes: (ii) −x+2, −y+1, −z+1; (iii) x, y, z+1; (iv) −x+1, −y, −z+1; (v) −x+2, −y+1, −z+2; (vi) −x+1, −y+1, −z+1; (vii) −x+2, −y, −z. |
Experimental details
Crystal data | |
Chemical formula | 2C12H9N2+·C14H6O8S22−·6H2O |
Mr | 836.83 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 296 |
a, b, c (Å) | 10.0439 (6), 10.1978 (6), 11.1070 (6) |
α, β, γ (°) | 111.591 (1), 98.848 (1), 111.234 (1) |
V (Å3) | 930.34 (9) |
Z | 1 |
Radiation type | Mo Kα |
µ (mm−1) | 0.22 |
Crystal size (mm) | 0.24 × 0.22 × 0.20 |
Data collection | |
Diffractometer | Bruker APEXII CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.782, 1.000 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 5035, 3499, 2964 |
Rint | 0.009 |
(sin θ/λ)max (Å−1) | 0.609 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.047, 0.100, 1.06 |
No. of reflections | 3499 |
No. of parameters | 265 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.42, −0.39 |
Computer programs: APEX2 (Bruker, 2003), SAINT (Bruker, 2001), SHELXS97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008) and DIAMOND (Brandenburg & Berndt, 1999), SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···O5 | 0.87 (3) | 1.91 (3) | 2.713 (3) | 153 (3) |
O5—H5A···O2i | 0.82 | 1.97 | 2.776 (3) | 168 |
O5—H5B···O2 | 0.82 | 2.19 | 2.931 (3) | 150 |
O5—H5B···O4 | 0.82 | 2.48 | 3.131 (3) | 138 |
O6—H6A···O3ii | 0.82 | 1.96 | 2.775 (3) | 170 |
O6—H6B···O1iii | 0.82 | 1.92 | 2.739 (3) | 172 |
O7—H7A···O6 | 0.82 | 1.97 | 2.774 (4) | 167 |
O7—H7B···O7iv | 0.82 | 2.20 | 3.021 (6) | 178 |
O7—H7C···O5 | 0.82 | 2.48 | 3.301 (4) | 179 |
C2—H2A···O7 | 0.93 | 2.39 | 3.300 (4) | 167 |
C4—H4A···O1v | 0.93 | 2.58 | 3.418 (4) | 151 |
C6—H6···O4v | 0.93 | 2.54 | 3.350 (3) | 145 |
C18—H18···O3vi | 0.93 | 2.51 | 3.357 (4) | 152 |
Symmetry codes: (i) −x+2, −y+1, −z+1; (ii) x, y, z+1; (iii) −x+1, −y, −z+1; (iv) −x+2, −y+1, −z+2; (v) −x+1, −y+1, −z+1; (vi) −x+2, −y, −z. |
Acknowledgements
The author gratefully acknowledges financial support from the Youth Fund of Baicheng Normal College.
References
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The anthraquinone-1,5-disulfonate (AQDS 2-) possesses six sulfonate O atoms and has been also employed either as a counter ion, forming extensive hydrogen-bonding interaction with water molecules or as a ligand with multiple binding sites available to construct coordination polymers with varying dimensionalities (Gao et al., 2005; Voogt & Blanch, 2005). Hydrogen bonding patterns involving sulfonate in biological systems and metal complexes are of current interest (Onoda et al., 2001). In the molecular structure of the title cocrystal, (phen-H+)2(AQDS2-).6H2O (I), the dianion exhibits crystallographic inversion symmetry (Fig. 1). A supramolecular network structure is formed via N—H···O and O—H···O hydrogen bonds, and weak C—H···O and π-π stacking interactions (Fig. 2 and Table 1) support the stability of the crystal packing.
The phen-H+ cation is planar, with deviations of the non-H atoms from the least-squares plane of less than 0.021 (1) Å in the phen-H+ cation consisting of N1, N2, C1 to C12. The angle between the planar cation and planar anion in the asymmetric unit is 2.133 (3)°. Compared with the neutral base, 1,10-phenanthroline (Nishigaki et al., 1978), the bond distances in the phen-H+ cations show no significant differences, but some internal bond angles vary significantly, at the protonated N1 atom angle C2—N1—C1 = 123.1 (3)° and angle at neutral N2, C11—N2—C12 = 116.6 (3)°, which makes a difference of 6.5 (3)°. This is due to the formation of N—H bonds, which have a less repulsive effect on the N—C bonds than the lone electron pair (Shriver et al., 1994).
The phen-H+ cations and AQDS 2- anions are held together by weak hydrogen bonds C6—H6···O4v. Such adjacent units are assembled into 1-D chain through π-π stacking interactions between the adjacent phen-H+ rings (Fig. 2). Cg3···Cg4v distance is 3.651 (6) Å, the perpendicular distance between the inversion-related planes (therefore the dihedral angle is zero) is 3.395 (6) Å. Cg3 is the centroid of the ring (N1, C2, C3, C4, C5, C1), Cg4 is the centroid of the ring (N2, C12, C8, C9, C10, C11), and the symmetry code v = 1 - x, 1 - y, 1 - z. Additionally, the adjacent 1-D chains are extended into a two-dimensional structure also by π-π stacking interaction between the anthraquinone ring and phen-H+ ring. Cg2···Cg4iii distance is 3.545 (8) Å, Cg2 is the centroid of the ring (C15, C14, C16, C15A, C14A, C16A), and the symmetry code iii = 1 - x, - y, 1 - z.
Meanwhile, the lattice water molecules are anchored on the layer via hydrogen bonds (O5—H5A···O2i, O5—H5B···O2), resulting in the hydrogen-bonded ring motifs of R42 (8) (Bernstein et al., 1995). Such rings are linked to phen-H+ cations by hydrogen bond N1—H1A···O5. Dimeric water molecules are linked via O7—H7A···O6, and are connected to the sulfonate oxygen O3 atom by O6—H6A···O3ii (Fig. 2). The hydrogen-bond geometries and symmetry codes are listed in Table 1. In conclusion, this work indicates that anthraquinone-1,5-disulfonate is also a good participant in hydrogen-bonding and π-π stacking networks for the formation of acid-base molecular cocrystals.