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Acta Cryst. (2009). E65, m1055-m1056    [ doi:10.1107/S1600536809030670 ]

Bis[2-(2-pyridylmethyleneamino)benzenesulfonato-[kappa]3N,N',O]manganese(II) dihydrate

C.-Q. Zhao, M. Ou-Yang, X.-R. Huang and Y.-M. Jiang

Abstract top

The title complex, [Mn(C12H9N2O3S)2]·2H2O, is isotypic with the previously reported ZnII and CdII species. The complex was prepared by the reaction of the potassium salt of 2-(2-pyridylmethyleneamino)benzenesulfonic acid with MnCl2·6H2O in methanol. The complex displays twofold symmetry, with the ligands coordinated in a tridentate meridional-like arrangement through pyridyl N, imine N, and sulfonate O atoms. The metal center has a strongly distorted octahedral coordination geometry. The uncoordinated water molecules and the complexes participate in a hydrogen-bonding network, forming a two-dimensional structure parallel to the ab plane.

Comment top

In the past decades, Schiff-base complexes containing sulfonate have received much attention owing to the diverse coordination modes and bridging ability (Zhang et al., 2005; Li et al., 2007; Ou-Yang et al., 2009). Herein, we prepared a mononuclear Mn(II) complex, which is isostructural with [Zn(Paba)2].2 H2O and [Cd(Paba)2].2 H2O, whose structures were described in details (Cai et al., 2008; Ou-Yang et al., 2008). The six-coordinated MnII ion lies on a twofold axis, and two deprotonated PabaH anions coordinate to Mn in a meridional arrangement as N,N',O-tridentate donor ligands. The coordination mode of the complex is similar to that observed in other complexes with N,N',O-tridentate donor ligands (Li et al., 2007, 2008; Correia et al., 2003).

The O—H donor groups from the lattice water molecules and the SO acceptor groups of the Paba ligands participate in the hydrogen bonding through which the complex completes a two-dimensional network parallel to the ab plane (Fig. 2).

Related literature top

For the synthesis of the ligand, see: Casella & Gullotti (1986). For the structures of the ZnII and CdII analogues, see: Cai et al. (2008); Ou-Yang et al. (2008). For related Schiff bases complexes, see: Correia et al. (2003); Li et al. (2007, 2008); Ou-Yang et al. (2009); Zhang et al. (2005).

Experimental top

The potassium salt of 2-(2-pyridylmethyleneamino)benzenesulfonic acid (PabaK) was synthesized according to the literature methods (Casella & Gullotti, 1986). The ligand PabaK (1 mmol, 0.30 g) was dissolved in methanol (10 ml). To this solution, MnCl2 6 H2O (0.5 mmol, 0.12 g) was added, and the resulting mixture was stirred at 333 K for 4 h. Then the mixture was filtrated and the filtrate was left to stand at room temperature. Yellow crystals suitable for X-ray diffraction were obtained after a week in a yield of 55%. Elemental analysis: found C 46.87, H 4.04, N 9.05, S 10.42%; calc. C 46.94, H 3.59, N 9.13, S 10.43%.

Refinement top

C-bonded H atoms were positioned geometrically with C—H distances of 0.93 Å, and treated as riding atoms, with Uiso(H) = 1.2 Ueq(carrier C). Water H atoms were placed in fixed positions and assigned Uiso values of 1.5 Ueq of the water O atom.

Computing details top

Data collection: SMART (Bruker, 2004); cell refinement: SAINT (Bruker, 2004); data reduction: SAINT (Bruker, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).

Figures top
[Figure 1] Fig. 1. The molecular structure of the title complex, showing the atom-numbering scheme. The water molecule and all H atoms have been omitted for clarity. Symmetry code for 'A' labelled atoms: 2 - x, y, 1/2 - z.
[Figure 2] Fig. 2. Packing of the title complex, showing the two-dimensional network in the ab plane, linked via hydrogen bonds (dashed lines).
Bis[2-(2-pyridylmethyleneamino)benzenesulfonato-\ κ3N,N',O]manganese(II) dihydrate top
Crystal data top
[Mn(C12H9N2O3S)2]·2H2OF(000) = 1260
Mr = 613.52Dx = 1.565 Mg m−3
Orthorhombic, PbcnMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2n 2abCell parameters from 4677 reflections
a = 20.041 (10) Åθ = 2.5–28.5°
b = 7.918 (4) ŵ = 0.72 mm−1
c = 16.409 (8) ÅT = 296 K
V = 2604 (2) Å3Block, yellow
Z = 40.49 × 0.34 × 0.21 mm
Data collection top
SMART APEX CCD
diffractometer		1950 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tubeRint = 0.028
graphiteθmax = 25.1°, θmin = 2.5°
φ and ω scansh = −21→23
13313 measured reflectionsk = −9→9
2320 independent reflectionsl = −19→19
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.032Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.092H-atom parameters constrained
S = 1.01 w = 1/[σ2(Fo2) + (0.0512P)2 + 1.5899P]
where P = (Fo2 + 2Fc2)/3
2320 reflections(Δ/σ)max < 0.001
177 parametersΔρmax = 0.47 e Å−3
0 restraintsΔρmin = −0.41 e Å−3
Crystal data top
[Mn(C12H9N2O3S)2]·2H2OV = 2604 (2) Å3
Mr = 613.52Z = 4
Orthorhombic, PbcnMo Kα radiation
a = 20.041 (10) ŵ = 0.72 mm−1
b = 7.918 (4) ÅT = 296 K
c = 16.409 (8) Å0.49 × 0.34 × 0.21 mm
Data collection top
SMART APEX CCD
diffractometer		1950 reflections with I > 2σ(I)
13313 measured reflectionsRint = 0.028
2320 independent reflectionsθmax = 25.1°
Refinement top
R[F2 > 2σ(F2)] = 0.032H-atom parameters constrained
wR(F2) = 0.092Δρmax = 0.47 e Å−3
S = 1.01Δρmin = −0.41 e Å−3
2320 reflectionsAbsolute structure: ?
177 parametersFlack parameter: ?
0 restraintsRogers parameter: ?
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
Mn11.00000.18060 (6)0.25000.02835 (15)
S10.87380 (3)0.32706 (7)0.33859 (3)0.03333 (17)
O10.94725 (8)0.3323 (2)0.33645 (9)0.0381 (4)
O20.84921 (9)0.1575 (2)0.32866 (10)0.0508 (5)
O30.84826 (8)0.4155 (2)0.40879 (9)0.0466 (4)
N10.99221 (9)−0.0275 (2)0.15711 (11)0.0352 (4)
N20.90694 (8)0.2347 (2)0.16781 (10)0.0303 (4)
C11.03597 (13)−0.1521 (3)0.14852 (14)0.0444 (6)
H11.0708−0.16010.18580.053*
C21.03222 (15)−0.2704 (3)0.08686 (15)0.0495 (6)
H21.0641−0.35530.08260.059*
C30.98074 (14)−0.2607 (3)0.03207 (16)0.0503 (6)
H30.9767−0.3399−0.00950.060*
C40.93496 (13)−0.1310 (3)0.03971 (14)0.0440 (6)
H40.8998−0.12100.00310.053*
C50.94222 (11)−0.0165 (3)0.10256 (12)0.0329 (5)
C60.89698 (11)0.1272 (3)0.11156 (13)0.0360 (5)
H60.86100.14000.07620.043*
C70.86610 (10)0.3806 (3)0.17345 (12)0.0321 (5)
C80.84533 (12)0.4702 (3)0.10524 (14)0.0440 (6)
H80.85600.43110.05340.053*
C90.80902 (13)0.6167 (4)0.11399 (15)0.0536 (7)
H90.79500.67540.06800.064*
C100.79326 (14)0.6770 (4)0.19056 (17)0.0542 (7)
H100.76950.77720.19600.065*
C110.81279 (12)0.5887 (3)0.25907 (14)0.0432 (6)
H110.80140.62830.31060.052*
C120.84920 (10)0.4420 (3)0.25118 (11)0.0319 (5)
O40.79877 (12)−0.0889 (4)0.44087 (15)0.1140 (12)
H1W0.7570−0.08690.43200.171*
H2W0.8166−0.04980.39880.171*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Mn10.0279 (3)0.0336 (3)0.0235 (2)0.000−0.00482 (17)0.000
S10.0326 (3)0.0437 (3)0.0236 (3)0.0002 (2)0.0001 (2)0.0008 (2)
O10.0316 (8)0.0540 (10)0.0287 (8)0.0050 (7)−0.0044 (6)−0.0070 (7)
O20.0606 (12)0.0486 (11)0.0431 (10)−0.0120 (9)−0.0038 (8)0.0083 (8)
O30.0434 (9)0.0699 (12)0.0267 (8)0.0085 (8)0.0051 (7)−0.0043 (8)
N10.0409 (10)0.0350 (10)0.0297 (9)0.0024 (8)−0.0067 (8)−0.0015 (8)
N20.0280 (9)0.0384 (10)0.0245 (8)0.0003 (8)−0.0007 (7)−0.0004 (7)
C10.0503 (15)0.0428 (14)0.0401 (13)0.0087 (12)−0.0108 (11)−0.0008 (10)
C20.0684 (17)0.0356 (13)0.0445 (14)0.0116 (12)−0.0024 (13)−0.0030 (11)
C30.0721 (18)0.0382 (13)0.0406 (13)0.0020 (13)−0.0054 (13)−0.0095 (11)
C40.0510 (15)0.0466 (14)0.0345 (12)−0.0044 (11)−0.0110 (11)−0.0076 (10)
C50.0350 (11)0.0369 (12)0.0269 (10)−0.0033 (9)−0.0028 (9)−0.0003 (9)
C60.0318 (11)0.0488 (13)0.0273 (11)−0.0008 (10)−0.0067 (9)−0.0017 (10)
C70.0243 (11)0.0435 (13)0.0284 (10)0.0018 (9)−0.0006 (8)0.0017 (9)
C80.0398 (13)0.0621 (16)0.0302 (11)0.0098 (12)0.0019 (10)0.0066 (11)
C90.0495 (15)0.0690 (18)0.0421 (14)0.0200 (14)0.0001 (12)0.0159 (13)
C100.0497 (16)0.0556 (17)0.0574 (16)0.0213 (13)0.0015 (13)0.0089 (13)
C110.0380 (13)0.0517 (15)0.0398 (13)0.0107 (11)0.0045 (10)−0.0024 (11)
C120.0257 (11)0.0415 (12)0.0284 (11)−0.0003 (9)0.0002 (8)0.0014 (9)
O40.0640 (15)0.182 (3)0.0956 (19)−0.0353 (17)−0.0233 (13)0.075 (2)
Geometric parameters (Å, °) top
Mn1—O12.1382 (16)C3—C41.383 (4)
Mn1—O1i2.1382 (16)C3—H30.9300
Mn1—N12.250 (2)C4—C51.381 (3)
Mn1—N1i2.250 (2)C4—H40.9300
Mn1—N2i2.3412 (19)C5—C61.463 (3)
Mn1—N22.3412 (19)C6—H60.9300
S1—O21.4395 (19)C7—C81.389 (3)
S1—O31.4420 (17)C7—C121.406 (3)
S1—O11.4729 (18)C8—C91.376 (4)
S1—C121.769 (2)C8—H80.9300
N1—C11.327 (3)C9—C101.381 (4)
N1—C51.346 (3)C9—H90.9300
N2—C61.271 (3)C10—C111.380 (3)
N2—C71.418 (3)C10—H100.9300
C1—C21.381 (3)C11—C121.378 (3)
C1—H10.9300C11—H110.9300
C2—C31.371 (4)O4—H1W0.8495
C2—H20.9300O4—H2W0.8364
O1—Mn1—O1i111.67 (10)C1—C2—H2120.6
O1—Mn1—N1145.73 (6)C2—C3—C4118.8 (2)
O1i—Mn1—N189.79 (7)C2—C3—H3120.6
O1—Mn1—N1i89.79 (7)C4—C3—H3120.6
O1i—Mn1—N1i145.73 (6)C5—C4—C3119.0 (2)
N1—Mn1—N1i85.83 (10)C5—C4—H4120.5
O1—Mn1—N2i84.77 (6)C3—C4—H4120.5
O1i—Mn1—N2i83.42 (7)N1—C5—C4122.2 (2)
N1—Mn1—N2i125.42 (7)N1—C5—C6116.40 (18)
N1i—Mn1—N2i71.86 (7)C4—C5—C6121.4 (2)
O1—Mn1—N283.42 (6)N2—C6—C5119.80 (19)
O1i—Mn1—N284.77 (6)N2—C6—H6120.1
N1—Mn1—N271.86 (7)C5—C6—H6120.1
N1i—Mn1—N2125.42 (7)C8—C7—C12118.8 (2)
N2i—Mn1—N2158.90 (9)C8—C7—N2122.43 (19)
O2—S1—O3114.95 (11)C12—C7—N2118.65 (18)
O2—S1—O1111.44 (11)C9—C8—C7120.3 (2)
O3—S1—O1111.11 (9)C9—C8—H8119.8
O2—S1—C12107.02 (10)C7—C8—H8119.8
O3—S1—C12107.40 (11)C8—C9—C10120.5 (2)
O1—S1—C12104.18 (9)C8—C9—H9119.8
S1—O1—Mn1119.62 (9)C10—C9—H9119.8
C1—N1—C5117.98 (19)C11—C10—C9120.1 (2)
C1—N1—Mn1124.77 (15)C11—C10—H10120.0
C5—N1—Mn1117.04 (14)C9—C10—H10120.0
C6—N2—C7120.13 (18)C12—C11—C10120.0 (2)
C6—N2—Mn1114.88 (15)C12—C11—H11120.0
C7—N2—Mn1124.83 (13)C10—C11—H11120.0
N1—C1—C2123.1 (2)C11—C12—C7120.3 (2)
N1—C1—H1118.5C11—C12—S1120.34 (16)
C2—C1—H1118.5C7—C12—S1119.38 (17)
C3—C2—C1118.9 (2)H1W—O4—H2W105.8
C3—C2—H2120.6
O2—S1—O1—Mn141.05 (13)C2—C3—C4—C5−0.5 (4)
O3—S1—O1—Mn1170.64 (10)C1—N1—C5—C40.9 (3)
C12—S1—O1—Mn1−74.01 (13)Mn1—N1—C5—C4175.90 (17)
O1i—Mn1—O1—S1115.14 (11)C1—N1—C5—C6−177.0 (2)
N1—Mn1—O1—S1−10.02 (18)Mn1—N1—C5—C6−2.0 (2)
N1i—Mn1—O1—S1−92.28 (11)C3—C4—C5—N1−0.5 (4)
N2i—Mn1—O1—S1−164.08 (11)C3—C4—C5—C6177.4 (2)
N2—Mn1—O1—S133.44 (10)C7—N2—C6—C5175.63 (19)
O1—Mn1—N1—C1−137.89 (18)Mn1—N2—C6—C50.1 (3)
O1i—Mn1—N1—C191.6 (2)N1—C5—C6—N21.3 (3)
N1i—Mn1—N1—C1−54.42 (17)C4—C5—C6—N2−176.7 (2)
N2i—Mn1—N1—C19.8 (2)C6—N2—C7—C8−40.0 (3)
N2—Mn1—N1—C1176.1 (2)Mn1—N2—C7—C8135.02 (19)
O1—Mn1—N1—C547.5 (2)C6—N2—C7—C12143.7 (2)
O1i—Mn1—N1—C5−83.05 (16)Mn1—N2—C7—C12−41.3 (3)
N1i—Mn1—N1—C5130.97 (18)C12—C7—C8—C90.2 (4)
N2i—Mn1—N1—C5−164.81 (14)N2—C7—C8—C9−176.1 (2)
N2—Mn1—N1—C51.52 (15)C7—C8—C9—C100.5 (4)
O1—Mn1—N2—C6−156.78 (16)C8—C9—C10—C11−1.3 (4)
O1i—Mn1—N2—C690.65 (16)C9—C10—C11—C121.3 (4)
N1—Mn1—N2—C6−0.84 (15)C10—C11—C12—C7−0.6 (4)
N1i—Mn1—N2—C6−71.75 (17)C10—C11—C12—S1−179.4 (2)
N2i—Mn1—N2—C6146.83 (16)C8—C7—C12—C11−0.1 (3)
O1—Mn1—N2—C727.95 (16)N2—C7—C12—C11176.3 (2)
O1i—Mn1—N2—C7−84.62 (16)C8—C7—C12—S1178.73 (17)
N1—Mn1—N2—C7−176.11 (17)N2—C7—C12—S1−4.8 (3)
N1i—Mn1—N2—C7112.98 (16)O2—S1—C12—C11124.5 (2)
N2i—Mn1—N2—C7−28.44 (15)O3—S1—C12—C110.6 (2)
C5—N1—C1—C2−0.4 (4)O1—S1—C12—C11−117.32 (19)
Mn1—N1—C1—C2−174.95 (19)O2—S1—C12—C7−54.3 (2)
N1—C1—C2—C3−0.6 (4)O3—S1—C12—C7−178.25 (17)
C1—C2—C3—C41.0 (4)O1—S1—C12—C763.82 (19)
Symmetry codes: (i) −x+2, y, −z+1/2.
Hydrogen-bond geometry (Å, °) top
D—H···AD—HH···AD···AD—H···A
O4—H1W···O3ii0.852.142.993 (3)179
O4—H2W···O20.842.112.866 (3)151
Symmetry codes: (ii) −x+3/2, y−1/2, z.
Table 1
Hydrogen-bond geometry (Å, °) top
D—H···AD—HH···AD···AD—H···A
O4—H1W···O3i0.852.142.993 (3)179
O4—H2W···O20.842.112.866 (3)151
Symmetry codes: (i) −x+3/2, y−1/2, z.
Acknowledgements top

This work was funded by the Guangxi Science Foundation of the Guangxi Zhuang Autonomous Region of the People's Republic of China (grant No. 0731053).

references
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