metal-organic compounds
Poly[tetrabutyltetrakis(μ2-hydrogen phenylphosphonato)ditin(IV)]
aLaboratoire de Chimie Minérale et Analytique, Département de Chimie, Faculté des Sciences et Techniques-Université Cheikh Anta Diop, Dakar, Senegal, and bDepartment of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, England
*Correspondence e-mail: diasseam@yahoo.fr
In the title compound, [Sn2(C4H9)4(C6H6PO3)4]n, the basic unit is a dimer containing two symmetry-related SnIV atoms bridged by two hydrogenphenylphosphonate anions. This fragment is located about an inversion center, and each SnIV atom is linked to two other hydrogenphenylphosphonate anions, giving a layered structure parallel to (010). The coordination geometry for the SnIV atoms is close to octahedral. The layers are connected via O—H⋯O hydrogen bonds, generating a three-dimensional network. One butyl group is disordered over two sets of sites, with occupancies of 0.49 (2) and 0.51 (2).
Related literature
For medicinal applications of SnIV compounds, see: Evans & Karpel (1985). For the biocidal activity of organotin compounds, see: Molloy et al. (1981). For background to the search for new organotin compounds, see: Holmes et al. (1988); Hadjikakou & Hadjiliadis (2009). For work in this field carried out by the authors, see: Diassé-Sarr et al. (1997); Sall et al. (1992); Boye & Diassé-Sarr (2007); Diop et al. (2011).
Experimental
Crystal data
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Refinement
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Data collection: COLLECT (Nonius, 1998); cell DENZO and SCALEPACK (Otwinowski & Minor, 1997); data reduction: DENZO and SCALEPACK; program(s) used to solve structure: SIR97 (Altomare et al., 1999); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).
Supporting information
10.1107/S1600536812040834/bh2452sup1.cif
contains datablocks I, New_Global_Publ_Block. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812040834/bh2452Isup2.hkl
The title compound has been synthesized by allowing PhPO3H2 (0.2 g) to react with SnBu2Cl2 (0.1 g) in ethanol (1/1 ratio). The mixture was stirred for two hours and submitted to a slow solvent evaporation at room temperature, giving, after some days, regular colorless crystals suitable for X-ray work (m.p. 463 K).
One butyl group was found to be disordered: atoms C14, C15 and C16 are disordered with C14A, C15A, C16A, and occupancy factors converged to 0.49 (2) and 0.51 (2), respectively. Hydroxyl H atoms (H3, H6, H9 and H12) were found in a difference map and refined freely, although with restrained bond lengths. Other H atoms were placed in idealized positions and refined as riding to their carrier C atoms, with C—H = 0.95 (aromatic CH), 0.98 (methyl CH3) or 0.99 Å (methylene CH2 groups). Isotropic displacement parameters for H atoms were calculated as Uiso(H) = xUeq(carrier atom); x = 1.2 or 1.5.
Data collection: COLLECT (Nonius, 1998); cell
DENZO and SCALEPACK (Otwinowski & Minor, 1997); data reduction: DENZO and SCALEPACK (Otwinowski & Minor, 1997); program(s) used to solve structure: SIR97 (Altomare et al., 1999); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).Fig. 1. Three dimensional structure showing the hydrogen bonds as dotted lines. | |
Fig. 2. A part of the crystal structure. |
[Sn2(C4H9)4(C6H6PO3)4] | Z = 2 |
Mr = 1094.14 | F(000) = 1112 |
Triclinic, P1 | Dx = 1.586 Mg m−3 |
Hall symbol: -P 1 | Melting point: 463 K |
a = 11.0258 (3) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 13.8500 (4) Å | Cell parameters from 31068 reflections |
c = 16.0177 (4) Å | θ = 2.9–27.5° |
α = 74.074 (1)° | µ = 1.29 mm−1 |
β = 89.742 (1)° | T = 150 K |
γ = 77.291 (1)° | Plate, colourless |
V = 2290.44 (11) Å3 | 0.30 × 0.25 × 0.10 mm |
Nonius Kappa CCD diffractometer | 10394 independent reflections |
Radiation source: fine-focus sealed tube | 8145 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.060 |
525 1.1 degree images with ϕ and ω scans | θmax = 27.5°, θmin = 3.1° |
Absorption correction: multi-scan (SORTAV; Blessing, 1995) | h = −14→14 |
Tmin = 0.699, Tmax = 0.882 | k = −17→17 |
35391 measured reflections | l = −20→20 |
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)] = 0.053 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.142 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.05 | w = 1/[σ2(Fo2) + (0.0765P)2 + 5.2512P] where P = (Fo2 + 2Fc2)/3 |
10394 reflections | (Δ/σ)max = 0.001 |
570 parameters | Δρmax = 2.73 e Å−3 |
4 restraints | Δρmin = −1.93 e Å−3 |
0 constraints |
[Sn2(C4H9)4(C6H6PO3)4] | γ = 77.291 (1)° |
Mr = 1094.14 | V = 2290.44 (11) Å3 |
Triclinic, P1 | Z = 2 |
a = 11.0258 (3) Å | Mo Kα radiation |
b = 13.8500 (4) Å | µ = 1.29 mm−1 |
c = 16.0177 (4) Å | T = 150 K |
α = 74.074 (1)° | 0.30 × 0.25 × 0.10 mm |
β = 89.742 (1)° |
Nonius Kappa CCD diffractometer | 10394 independent reflections |
Absorption correction: multi-scan (SORTAV; Blessing, 1995) | 8145 reflections with I > 2σ(I) |
Tmin = 0.699, Tmax = 0.882 | Rint = 0.060 |
35391 measured reflections |
R[F2 > 2σ(F2)] = 0.053 | 4 restraints |
wR(F2) = 0.142 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.05 | Δρmax = 2.73 e Å−3 |
10394 reflections | Δρmin = −1.93 e Å−3 |
570 parameters |
x | y | z | Uiso*/Ueq | Occ. (<1) | |
Sn1 | 0.60466 (3) | −0.00706 (2) | 0.145389 (18) | 0.01988 (10) | |
Sn2 | 1.09960 (3) | 0.00860 (2) | 0.353582 (18) | 0.02054 (10) | |
P1 | 0.66865 (10) | 0.05723 (9) | −0.07463 (7) | 0.0202 (2) | |
P2 | 0.89510 (10) | 0.05951 (9) | 0.16939 (7) | 0.0211 (2) | |
P3 | 0.80107 (10) | 0.05415 (10) | 0.42447 (7) | 0.0216 (2) | |
P4 | 1.42610 (11) | −0.06359 (10) | 0.32974 (7) | 0.0225 (2) | |
O1 | 0.7119 (3) | 0.0116 (3) | 0.0204 (2) | 0.0240 (7) | |
O2 | 0.5310 (3) | 0.0664 (3) | −0.0920 (2) | 0.0252 (7) | |
O3 | 0.7537 (3) | −0.0124 (2) | −0.1238 (2) | 0.0257 (7) | |
H3 | 0.732 (6) | 0.007 (5) | −0.1791 (16) | 0.06 (2)* | |
O4 | 0.7698 (3) | 0.0443 (3) | 0.2040 (2) | 0.0251 (7) | |
O5 | 1.0042 (3) | 0.0149 (3) | 0.2355 (2) | 0.0274 (7) | |
O6 | 0.9268 (3) | 0.0072 (3) | 0.0935 (2) | 0.0298 (8) | |
H6 | 0.856 (3) | 0.003 (4) | 0.074 (4) | 0.036* | |
O7 | 0.9299 (3) | 0.0723 (3) | 0.4037 (2) | 0.0276 (7) | |
O8 | 0.7875 (3) | 0.0056 (3) | 0.5202 (2) | 0.0261 (7) | |
O9 | 0.7634 (3) | −0.0200 (3) | 0.3762 (2) | 0.0288 (8) | |
H9 | 0.774 (5) | −0.014 (4) | 0.3214 (15) | 0.035* | |
O10 | 1.2932 (3) | −0.0490 (3) | 0.2950 (2) | 0.0256 (7) | |
O11 | 1.5111 (3) | −0.0171 (3) | 0.2644 (2) | 0.0265 (7) | |
O12 | 1.4275 (3) | −0.0133 (3) | 0.4068 (2) | 0.0306 (8) | |
H12 | 1.358 (3) | −0.004 (5) | 0.435 (4) | 0.047 (18)* | |
C1 | 0.5157 (4) | 0.1500 (4) | 0.0917 (3) | 0.0272 (10) | |
H1A | 0.5813 | 0.1896 | 0.0779 | 0.033* | |
H1B | 0.4719 | 0.1565 | 0.0360 | 0.033* | |
C2 | 0.4232 (5) | 0.2014 (4) | 0.1454 (4) | 0.0394 (13) | |
H2A | 0.4679 | 0.2043 | 0.1977 | 0.047* | |
H2B | 0.3617 | 0.1588 | 0.1650 | 0.047* | |
C3 | 0.3536 (6) | 0.3111 (5) | 0.0954 (4) | 0.0504 (16) | |
H3A | 0.3141 | 0.3091 | 0.0407 | 0.060* | |
H3B | 0.2866 | 0.3363 | 0.1308 | 0.060* | |
C4 | 0.4383 (7) | 0.3856 (5) | 0.0741 (5) | 0.063 (2) | |
H4A | 0.4819 | 0.3845 | 0.1276 | 0.094* | |
H4B | 0.3887 | 0.4553 | 0.0469 | 0.094* | |
H4C | 0.4994 | 0.3652 | 0.0338 | 0.094* | |
C5 | 0.7103 (5) | −0.1601 (4) | 0.1952 (3) | 0.0286 (10) | |
H5A | 0.7751 | −0.1597 | 0.2376 | 0.034* | |
H5B | 0.6544 | −0.2022 | 0.2277 | 0.034* | |
C6 | 0.7747 (5) | −0.2147 (4) | 0.1303 (4) | 0.0369 (12) | |
H6A | 0.7135 | −0.2072 | 0.0825 | 0.044* | |
H6B | 0.8418 | −0.1809 | 0.1046 | 0.044* | |
C7 | 0.8300 (5) | −0.3290 (4) | 0.1724 (4) | 0.0430 (14) | |
H7A | 0.8868 | −0.3559 | 0.1318 | 0.052* | |
H7B | 0.8805 | −0.3361 | 0.2256 | 0.052* | |
C8 | 0.7361 (6) | −0.3947 (5) | 0.1965 (5) | 0.0573 (18) | |
H8A | 0.6862 | −0.3749 | 0.2424 | 0.086* | |
H8B | 0.7797 | −0.4674 | 0.2174 | 0.086* | |
H8C | 0.6815 | −0.3847 | 0.1453 | 0.086* | |
C9 | 1.0962 (5) | −0.1487 (4) | 0.4105 (3) | 0.0289 (10) | |
H9A | 1.1828 | −0.1878 | 0.4289 | 0.035* | |
H9B | 1.0491 | −0.1531 | 0.4636 | 0.035* | |
C10 | 1.0403 (6) | −0.2029 (4) | 0.3545 (4) | 0.0444 (14) | |
H10A | 1.0965 | −0.2124 | 0.3076 | 0.053* | |
H10B | 0.9595 | −0.1585 | 0.3269 | 0.053* | |
C11 | 1.0199 (8) | −0.3085 (6) | 0.4069 (5) | 0.066 (2) | |
H11A | 0.9689 | −0.2995 | 0.4564 | 0.080* | |
H11B | 0.9724 | −0.3351 | 0.3693 | 0.080* | |
C12 | 1.1337 (10) | −0.3830 (7) | 0.4396 (8) | 0.102 (4) | |
H12A | 1.1834 | −0.3942 | 0.3908 | 0.153* | |
H12B | 1.1147 | −0.4482 | 0.4728 | 0.153* | |
H12C | 1.1807 | −0.3577 | 0.4775 | 0.153* | |
C13 | 1.1316 (5) | 0.1580 (4) | 0.3025 (3) | 0.0323 (11) | |
H13A | 1.2230 | 0.1497 | 0.3013 | 0.039* | 0.49 (2) |
H13B | 1.0985 | 0.1822 | 0.2412 | 0.039* | 0.49 (2) |
H13C | 1.2090 | 0.1515 | 0.2709 | 0.039* | 0.51 (2) |
H13D | 1.0626 | 0.1984 | 0.2591 | 0.039* | 0.51 (2) |
C14 | 1.087 (2) | 0.2390 (14) | 0.3390 (18) | 0.061 (7) | 0.49 (2) |
H14A | 1.1296 | 0.2207 | 0.3974 | 0.073* | 0.49 (2) |
H14B | 0.9974 | 0.2431 | 0.3474 | 0.073* | 0.49 (2) |
C15 | 1.1017 (17) | 0.3441 (13) | 0.2907 (13) | 0.040 (4) | 0.49 (2) |
H15A | 1.0524 | 0.3655 | 0.2346 | 0.048* | 0.49 (2) |
H15B | 1.1903 | 0.3390 | 0.2773 | 0.048* | 0.49 (2) |
C16 | 1.064 (3) | 0.4296 (12) | 0.3353 (15) | 0.083 (8) | 0.49 (2) |
H16A | 0.9727 | 0.4530 | 0.3307 | 0.125* | 0.49 (2) |
H16B | 1.1009 | 0.4875 | 0.3070 | 0.125* | 0.49 (2) |
H16C | 1.0929 | 0.4031 | 0.3967 | 0.125* | 0.49 (2) |
C14A | 1.1434 (16) | 0.2205 (13) | 0.3656 (10) | 0.037 (4) | 0.51 (2) |
H14C | 1.0743 | 0.2165 | 0.4051 | 0.044* | 0.51 (2) |
H14D | 1.2223 | 0.1882 | 0.4015 | 0.044* | 0.51 (2) |
C15A | 1.1416 (17) | 0.3335 (14) | 0.3234 (14) | 0.043 (4) | 0.51 (2) |
H15C | 1.1809 | 0.3599 | 0.3653 | 0.051* | 0.51 (2) |
H15D | 1.1932 | 0.3384 | 0.2723 | 0.051* | 0.51 (2) |
C16A | 1.0160 (13) | 0.4011 (14) | 0.2946 (13) | 0.065 (6) | 0.51 (2) |
H16D | 0.9770 | 0.3774 | 0.2515 | 0.097* | 0.51 (2) |
H16E | 1.0237 | 0.4722 | 0.2686 | 0.097* | 0.51 (2) |
H16F | 0.9644 | 0.3986 | 0.3448 | 0.097* | 0.51 (2) |
C18 | 0.8176 (5) | 0.1993 (4) | −0.1217 (4) | 0.0385 (13) | |
H18 | 0.8864 | 0.1415 | −0.1097 | 0.046* | |
C19 | 0.8366 (6) | 0.2982 (5) | −0.1480 (5) | 0.0550 (18) | |
H19 | 0.9190 | 0.3083 | −0.1539 | 0.066* | |
C20 | 0.7368 (6) | 0.3827 (5) | −0.1659 (4) | 0.0501 (16) | |
H20 | 0.7509 | 0.4504 | −0.1846 | 0.060* | |
C21 | 0.6185 (6) | 0.3688 (4) | −0.1567 (4) | 0.0464 (15) | |
H21 | 0.5503 | 0.4270 | −0.1684 | 0.056* | |
C22 | 0.5972 (5) | 0.2706 (4) | −0.1305 (4) | 0.0363 (12) | |
H22 | 0.5143 | 0.2616 | −0.1246 | 0.044* | |
C23 | 0.6961 (4) | 0.1852 (4) | −0.1128 (3) | 0.0230 (9) | |
C24 | 0.8867 (5) | 0.1947 (4) | 0.1239 (3) | 0.0286 (10) | |
C25 | 0.7865 (5) | 0.2678 (4) | 0.1385 (4) | 0.0388 (13) | |
H25 | 0.7199 | 0.2465 | 0.1709 | 0.047* | |
C26 | 0.7844 (6) | 0.3719 (5) | 0.1056 (5) | 0.0556 (18) | |
H26 | 0.7146 | 0.4220 | 0.1136 | 0.067* | |
C27 | 0.8827 (7) | 0.4030 (5) | 0.0614 (5) | 0.0571 (18) | |
H27 | 0.8820 | 0.4743 | 0.0405 | 0.068* | |
C28 | 0.9822 (6) | 0.3304 (5) | 0.0477 (4) | 0.0528 (17) | |
H28 | 1.0495 | 0.3522 | 0.0165 | 0.063* | |
C29 | 0.9856 (5) | 0.2271 (5) | 0.0784 (4) | 0.0402 (13) | |
H29 | 1.0550 | 0.1778 | 0.0687 | 0.048* | |
C30 | 0.6932 (4) | 0.1762 (4) | 0.3882 (3) | 0.0264 (10) | |
C31 | 0.7309 (6) | 0.2674 (4) | 0.3687 (4) | 0.0451 (14) | |
H31 | 0.8171 | 0.2667 | 0.3726 | 0.054* | |
C32 | 0.6441 (8) | 0.3607 (5) | 0.3434 (5) | 0.066 (2) | |
H32 | 0.6707 | 0.4237 | 0.3295 | 0.079* | |
C33 | 0.5190 (7) | 0.3615 (5) | 0.3384 (5) | 0.060 (2) | |
H33 | 0.4595 | 0.4254 | 0.3207 | 0.072* | |
C34 | 0.4804 (6) | 0.2714 (5) | 0.3586 (5) | 0.0534 (17) | |
H34 | 0.3939 | 0.2729 | 0.3553 | 0.064* | |
C35 | 0.5654 (5) | 0.1783 (5) | 0.3838 (4) | 0.0386 (13) | |
H35 | 0.5378 | 0.1157 | 0.3981 | 0.046* | |
C36 | 1.4922 (4) | −0.1989 (4) | 0.3735 (3) | 0.0288 (10) | |
C37 | 1.4313 (5) | −0.2721 (4) | 0.3611 (4) | 0.0389 (13) | |
H37 | 1.3520 | −0.2509 | 0.3304 | 0.047* | |
C38 | 1.4865 (6) | −0.3759 (5) | 0.3935 (4) | 0.0491 (15) | |
H38 | 1.4442 | −0.4261 | 0.3860 | 0.059* | |
C39 | 1.6026 (6) | −0.4071 (5) | 0.4366 (4) | 0.0530 (17) | |
H39 | 1.6402 | −0.4784 | 0.4583 | 0.064* | |
C40 | 1.6642 (6) | −0.3346 (5) | 0.4481 (4) | 0.0511 (16) | |
H40 | 1.7441 | −0.3563 | 0.4779 | 0.061* | |
C41 | 1.6103 (5) | −0.2309 (5) | 0.4165 (4) | 0.0400 (13) | |
H41 | 1.6534 | −0.1813 | 0.4239 | 0.048* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Sn1 | 0.01548 (16) | 0.02907 (18) | 0.01582 (16) | −0.00556 (12) | 0.00436 (11) | −0.00712 (12) |
Sn2 | 0.01641 (16) | 0.03061 (18) | 0.01525 (16) | −0.00626 (12) | 0.00486 (11) | −0.00684 (12) |
P1 | 0.0162 (5) | 0.0304 (6) | 0.0150 (5) | −0.0061 (4) | 0.0047 (4) | −0.0075 (5) |
P2 | 0.0178 (5) | 0.0315 (6) | 0.0146 (5) | −0.0058 (5) | 0.0038 (4) | −0.0071 (5) |
P3 | 0.0176 (5) | 0.0327 (6) | 0.0160 (5) | −0.0066 (5) | 0.0052 (4) | −0.0086 (5) |
P4 | 0.0197 (5) | 0.0338 (6) | 0.0146 (5) | −0.0073 (5) | 0.0058 (4) | −0.0068 (5) |
O1 | 0.0211 (16) | 0.0335 (17) | 0.0171 (15) | −0.0070 (13) | 0.0038 (12) | −0.0060 (13) |
O2 | 0.0196 (15) | 0.0360 (18) | 0.0211 (16) | −0.0056 (13) | 0.0002 (13) | −0.0104 (14) |
O3 | 0.0261 (17) | 0.0300 (18) | 0.0194 (16) | −0.0001 (14) | 0.0019 (13) | −0.0091 (14) |
O4 | 0.0200 (16) | 0.0384 (19) | 0.0189 (16) | −0.0096 (14) | 0.0054 (12) | −0.0093 (14) |
O5 | 0.0247 (17) | 0.0393 (19) | 0.0187 (16) | −0.0078 (14) | 0.0039 (13) | −0.0086 (14) |
O6 | 0.0268 (18) | 0.043 (2) | 0.0231 (17) | −0.0060 (16) | 0.0053 (14) | −0.0168 (15) |
O7 | 0.0203 (16) | 0.0413 (19) | 0.0243 (17) | −0.0092 (14) | 0.0130 (13) | −0.0127 (15) |
O8 | 0.0205 (16) | 0.0383 (19) | 0.0174 (15) | −0.0051 (14) | 0.0072 (12) | −0.0058 (13) |
O9 | 0.0354 (19) | 0.0348 (19) | 0.0202 (16) | −0.0114 (15) | 0.0101 (14) | −0.0116 (15) |
O10 | 0.0209 (16) | 0.0365 (19) | 0.0205 (16) | −0.0073 (14) | 0.0056 (13) | −0.0092 (14) |
O11 | 0.0243 (16) | 0.0390 (19) | 0.0168 (16) | −0.0081 (14) | 0.0115 (13) | −0.0083 (14) |
O12 | 0.0263 (18) | 0.048 (2) | 0.0225 (17) | −0.0125 (16) | 0.0069 (14) | −0.0147 (15) |
C1 | 0.026 (2) | 0.031 (3) | 0.022 (2) | −0.0052 (19) | 0.0074 (19) | −0.0047 (19) |
C2 | 0.045 (3) | 0.032 (3) | 0.036 (3) | −0.002 (2) | 0.019 (2) | −0.008 (2) |
C3 | 0.048 (4) | 0.045 (3) | 0.052 (4) | 0.002 (3) | 0.019 (3) | −0.014 (3) |
C4 | 0.071 (5) | 0.038 (4) | 0.076 (5) | −0.006 (3) | 0.013 (4) | −0.013 (3) |
C5 | 0.029 (2) | 0.035 (3) | 0.021 (2) | −0.006 (2) | 0.0024 (19) | −0.007 (2) |
C6 | 0.031 (3) | 0.040 (3) | 0.040 (3) | −0.007 (2) | 0.013 (2) | −0.013 (2) |
C7 | 0.036 (3) | 0.038 (3) | 0.054 (4) | −0.003 (2) | 0.011 (3) | −0.016 (3) |
C8 | 0.050 (4) | 0.043 (4) | 0.080 (5) | −0.011 (3) | 0.018 (4) | −0.018 (3) |
C9 | 0.030 (3) | 0.033 (3) | 0.023 (2) | −0.009 (2) | 0.0009 (19) | −0.006 (2) |
C10 | 0.060 (4) | 0.038 (3) | 0.040 (3) | −0.018 (3) | −0.002 (3) | −0.013 (3) |
C11 | 0.072 (5) | 0.062 (5) | 0.070 (5) | −0.027 (4) | 0.001 (4) | −0.018 (4) |
C12 | 0.104 (8) | 0.062 (5) | 0.131 (9) | −0.022 (5) | −0.028 (7) | −0.009 (6) |
C13 | 0.038 (3) | 0.037 (3) | 0.022 (2) | −0.013 (2) | 0.004 (2) | −0.004 (2) |
C14 | 0.053 (12) | 0.043 (9) | 0.095 (18) | −0.022 (9) | 0.049 (12) | −0.024 (10) |
C15 | 0.031 (9) | 0.031 (7) | 0.057 (11) | −0.002 (7) | −0.008 (6) | −0.012 (7) |
C16 | 0.14 (2) | 0.044 (9) | 0.082 (14) | −0.030 (10) | 0.035 (13) | −0.040 (9) |
C14A | 0.032 (8) | 0.049 (8) | 0.033 (7) | −0.014 (7) | −0.001 (6) | −0.012 (6) |
C15A | 0.033 (9) | 0.044 (8) | 0.059 (12) | −0.018 (8) | 0.016 (7) | −0.020 (9) |
C16A | 0.039 (8) | 0.061 (11) | 0.081 (13) | −0.005 (7) | 0.010 (7) | −0.004 (9) |
C18 | 0.026 (3) | 0.044 (3) | 0.046 (3) | −0.013 (2) | 0.006 (2) | −0.010 (3) |
C19 | 0.040 (3) | 0.052 (4) | 0.075 (5) | −0.027 (3) | 0.013 (3) | −0.009 (3) |
C20 | 0.063 (4) | 0.037 (3) | 0.055 (4) | −0.024 (3) | 0.014 (3) | −0.009 (3) |
C21 | 0.049 (4) | 0.033 (3) | 0.053 (4) | −0.008 (3) | 0.008 (3) | −0.006 (3) |
C22 | 0.028 (3) | 0.037 (3) | 0.041 (3) | −0.006 (2) | 0.007 (2) | −0.007 (2) |
C23 | 0.022 (2) | 0.030 (2) | 0.019 (2) | −0.0102 (18) | 0.0042 (17) | −0.0079 (18) |
C24 | 0.028 (2) | 0.032 (3) | 0.026 (2) | −0.010 (2) | −0.0024 (19) | −0.005 (2) |
C25 | 0.031 (3) | 0.038 (3) | 0.050 (3) | −0.010 (2) | 0.005 (2) | −0.014 (3) |
C26 | 0.050 (4) | 0.034 (3) | 0.080 (5) | −0.003 (3) | −0.004 (3) | −0.017 (3) |
C27 | 0.064 (4) | 0.036 (3) | 0.070 (5) | −0.022 (3) | 0.002 (4) | −0.005 (3) |
C28 | 0.056 (4) | 0.052 (4) | 0.050 (4) | −0.026 (3) | 0.010 (3) | −0.002 (3) |
C29 | 0.038 (3) | 0.043 (3) | 0.037 (3) | −0.012 (2) | 0.009 (2) | −0.004 (2) |
C30 | 0.026 (2) | 0.033 (3) | 0.019 (2) | −0.0016 (19) | 0.0037 (18) | −0.0097 (19) |
C31 | 0.041 (3) | 0.036 (3) | 0.057 (4) | −0.013 (3) | 0.007 (3) | −0.008 (3) |
C32 | 0.086 (6) | 0.033 (3) | 0.073 (5) | −0.011 (3) | 0.013 (4) | −0.009 (3) |
C33 | 0.066 (5) | 0.044 (4) | 0.053 (4) | 0.024 (3) | −0.010 (3) | −0.014 (3) |
C34 | 0.039 (3) | 0.050 (4) | 0.063 (4) | 0.009 (3) | −0.009 (3) | −0.017 (3) |
C35 | 0.028 (3) | 0.044 (3) | 0.045 (3) | −0.006 (2) | 0.000 (2) | −0.015 (3) |
C36 | 0.027 (2) | 0.037 (3) | 0.020 (2) | −0.007 (2) | 0.0071 (19) | −0.006 (2) |
C37 | 0.035 (3) | 0.041 (3) | 0.040 (3) | −0.007 (2) | 0.006 (2) | −0.012 (2) |
C38 | 0.054 (4) | 0.032 (3) | 0.059 (4) | −0.013 (3) | 0.011 (3) | −0.007 (3) |
C39 | 0.057 (4) | 0.037 (3) | 0.050 (4) | 0.005 (3) | 0.012 (3) | −0.001 (3) |
C40 | 0.044 (3) | 0.051 (4) | 0.042 (3) | 0.002 (3) | 0.000 (3) | 0.004 (3) |
C41 | 0.040 (3) | 0.043 (3) | 0.031 (3) | −0.006 (2) | 0.002 (2) | −0.002 (2) |
Sn1—C1 | 2.116 (5) | C12—H12C | 0.9800 |
Sn1—C5 | 2.117 (5) | C13—C14 | 1.398 (19) |
Sn1—O2i | 2.140 (3) | C13—C14A | 1.522 (16) |
Sn1—O11ii | 2.149 (3) | C13—H13A | 0.9900 |
Sn1—O1 | 2.303 (3) | C13—H13B | 0.9900 |
Sn1—O4 | 2.378 (3) | C13—H13C | 0.9900 |
Sn2—C13 | 2.113 (5) | C13—H13D | 0.9900 |
Sn2—C9 | 2.127 (5) | C14—C15 | 1.49 (3) |
Sn2—O7 | 2.138 (3) | C14—H14A | 0.9900 |
Sn2—O5 | 2.139 (3) | C14—H14B | 0.9900 |
Sn2—O8iii | 2.317 (3) | C15—C16 | 1.53 (3) |
Sn2—O10 | 2.391 (3) | C15—H15A | 0.9900 |
P1—O1 | 1.513 (3) | C15—H15B | 0.9900 |
P1—O2 | 1.516 (3) | C16—H16A | 0.9800 |
P1—O3 | 1.563 (3) | C16—H16B | 0.9800 |
P1—C23 | 1.802 (5) | C16—H16C | 0.9800 |
P2—O5 | 1.509 (3) | C14A—C15A | 1.52 (2) |
P2—O4 | 1.522 (3) | C14A—H14C | 0.9900 |
P2—O6 | 1.580 (4) | C14A—H14D | 0.9900 |
P2—C24 | 1.795 (5) | C15A—C16A | 1.49 (2) |
P3—O7 | 1.517 (3) | C15A—H15C | 0.9900 |
P3—O8 | 1.518 (3) | C15A—H15D | 0.9900 |
P3—O9 | 1.566 (4) | C16A—H16D | 0.9800 |
P3—C30 | 1.786 (5) | C16A—H16E | 0.9800 |
P4—O11 | 1.508 (3) | C16A—H16F | 0.9800 |
P4—O10 | 1.521 (3) | C18—C19 | 1.380 (8) |
P4—O12 | 1.577 (4) | C18—C23 | 1.398 (7) |
P4—C36 | 1.794 (5) | C18—H18 | 0.9500 |
O2—Sn1i | 2.140 (3) | C19—C20 | 1.383 (9) |
O3—H3 | 0.87 (2) | C19—H19 | 0.9500 |
O6—H6 | 0.861 (19) | C20—C21 | 1.361 (9) |
O8—Sn2iii | 2.317 (3) | C20—H20 | 0.9500 |
O9—H9 | 0.867 (19) | C21—C22 | 1.382 (8) |
O11—Sn1iv | 2.149 (3) | C21—H21 | 0.9500 |
O12—H12 | 0.88 (2) | C22—C23 | 1.385 (7) |
C1—C2 | 1.514 (7) | C22—H22 | 0.9500 |
C1—H1A | 0.9900 | C24—C25 | 1.391 (7) |
C1—H1B | 0.9900 | C24—C29 | 1.397 (7) |
C2—C3 | 1.537 (8) | C25—C26 | 1.388 (8) |
C2—H2A | 0.9900 | C25—H25 | 0.9500 |
C2—H2B | 0.9900 | C26—C27 | 1.376 (10) |
C3—C4 | 1.511 (9) | C26—H26 | 0.9500 |
C3—H3A | 0.9900 | C27—C28 | 1.377 (10) |
C3—H3B | 0.9900 | C27—H27 | 0.9500 |
C4—H4A | 0.9800 | C28—C29 | 1.371 (8) |
C4—H4B | 0.9800 | C28—H28 | 0.9500 |
C4—H4C | 0.9800 | C29—H29 | 0.9500 |
C5—C6 | 1.531 (7) | C30—C31 | 1.371 (7) |
C5—H5A | 0.9900 | C30—C35 | 1.405 (7) |
C5—H5B | 0.9900 | C31—C32 | 1.386 (9) |
C6—C7 | 1.525 (8) | C31—H31 | 0.9500 |
C6—H6A | 0.9900 | C32—C33 | 1.379 (11) |
C6—H6B | 0.9900 | C32—H32 | 0.9500 |
C7—C8 | 1.506 (9) | C33—C34 | 1.362 (10) |
C7—H7A | 0.9900 | C33—H33 | 0.9500 |
C7—H7B | 0.9900 | C34—C35 | 1.375 (8) |
C8—H8A | 0.9800 | C34—H34 | 0.9500 |
C8—H8B | 0.9800 | C35—H35 | 0.9500 |
C8—H8C | 0.9800 | C36—C37 | 1.389 (8) |
C9—C10 | 1.524 (7) | C36—C41 | 1.398 (7) |
C9—H9A | 0.9900 | C37—C38 | 1.385 (8) |
C9—H9B | 0.9900 | C37—H37 | 0.9500 |
C10—C11 | 1.537 (9) | C38—C39 | 1.379 (9) |
C10—H10A | 0.9900 | C38—H38 | 0.9500 |
C10—H10B | 0.9900 | C39—C40 | 1.381 (10) |
C11—C12 | 1.433 (11) | C39—H39 | 0.9500 |
C11—H11A | 0.9900 | C40—C41 | 1.378 (8) |
C11—H11B | 0.9900 | C40—H40 | 0.9500 |
C12—H12A | 0.9800 | C41—H41 | 0.9500 |
C12—H12B | 0.9800 | ||
C1—Sn1—C5 | 174.37 (18) | C12—C11—H11B | 108.9 |
C1—Sn1—O2i | 95.48 (16) | C10—C11—H11B | 108.9 |
C5—Sn1—O2i | 88.55 (16) | H11A—C11—H11B | 107.7 |
C1—Sn1—O11ii | 92.86 (15) | C11—C12—H12A | 109.5 |
C5—Sn1—O11ii | 90.93 (16) | C11—C12—H12B | 109.5 |
O2i—Sn1—O11ii | 91.82 (12) | H12A—C12—H12B | 109.5 |
C1—Sn1—O1 | 85.51 (15) | C11—C12—H12C | 109.5 |
C5—Sn1—O1 | 90.44 (15) | H12A—C12—H12C | 109.5 |
O2i—Sn1—O1 | 91.96 (12) | H12B—C12—H12C | 109.5 |
O11ii—Sn1—O1 | 176.01 (12) | C14—C13—Sn2 | 123.2 (8) |
C1—Sn1—O4 | 89.40 (16) | C14A—C13—Sn2 | 118.2 (7) |
C5—Sn1—O4 | 86.40 (16) | C14—C13—H13A | 106.5 |
O2i—Sn1—O4 | 174.42 (12) | C14A—C13—H13A | 83.6 |
O11ii—Sn1—O4 | 90.65 (12) | Sn2—C13—H13A | 106.5 |
O1—Sn1—O4 | 85.70 (11) | C14—C13—H13B | 106.5 |
C13—Sn2—C9 | 171.5 (2) | C14A—C13—H13B | 129.2 |
C13—Sn2—O7 | 90.09 (17) | Sn2—C13—H13B | 106.5 |
C9—Sn2—O7 | 96.29 (16) | H13A—C13—H13B | 106.5 |
C13—Sn2—O5 | 92.65 (17) | C14—C13—H13C | 123.3 |
C9—Sn2—O5 | 92.77 (16) | C14A—C13—H13C | 107.8 |
O7—Sn2—O5 | 91.74 (12) | Sn2—C13—H13C | 107.8 |
C13—Sn2—O8iii | 88.59 (16) | H13B—C13—H13C | 78.2 |
C9—Sn2—O8iii | 85.65 (15) | C14—C13—H13D | 80.8 |
O7—Sn2—O8iii | 91.44 (12) | C14A—C13—H13D | 107.8 |
O5—Sn2—O8iii | 176.59 (12) | Sn2—C13—H13D | 107.8 |
C13—Sn2—O10 | 85.28 (17) | H13A—C13—H13D | 132.2 |
C9—Sn2—O10 | 88.24 (16) | H13C—C13—H13D | 107.1 |
O7—Sn2—O10 | 175.30 (12) | C13—C14—C15 | 118.2 (15) |
O5—Sn2—O10 | 89.30 (12) | C13—C14—H14A | 107.8 |
O8iii—Sn2—O10 | 87.63 (11) | C15—C14—H14A | 107.8 |
O1—P1—O2 | 113.49 (18) | C13—C14—H14B | 107.8 |
O1—P1—O3 | 105.59 (18) | C15—C14—H14B | 107.8 |
O2—P1—O3 | 113.04 (19) | H14A—C14—H14B | 107.1 |
O1—P1—C23 | 109.6 (2) | C14—C15—C16 | 117.4 (16) |
O2—P1—C23 | 107.0 (2) | C14—C15—H15A | 108.0 |
O3—P1—C23 | 107.9 (2) | C16—C15—H15A | 108.0 |
O5—P2—O4 | 115.01 (18) | C14—C15—H15B | 108.0 |
O5—P2—O6 | 106.31 (19) | C16—C15—H15B | 108.0 |
O4—P2—O6 | 110.19 (19) | H15A—C15—H15B | 107.2 |
O5—P2—C24 | 108.7 (2) | C15A—C14A—C13 | 115.1 (12) |
O4—P2—C24 | 109.3 (2) | C15A—C14A—H14C | 108.5 |
O6—P2—C24 | 106.9 (2) | C13—C14A—H14C | 108.5 |
O7—P3—O8 | 113.94 (19) | C15A—C14A—H14D | 108.5 |
O7—P3—O9 | 112.23 (19) | C13—C14A—H14D | 108.5 |
O8—P3—O9 | 105.37 (19) | H14C—C14A—H14D | 107.5 |
O7—P3—C30 | 107.3 (2) | C16A—C15A—C14A | 115.1 (13) |
O8—P3—C30 | 109.8 (2) | C16A—C15A—H15C | 108.5 |
O9—P3—C30 | 108.1 (2) | C14A—C15A—H15C | 108.5 |
O11—P4—O10 | 115.26 (18) | C16A—C15A—H15D | 108.5 |
O11—P4—O12 | 106.10 (19) | C14A—C15A—H15D | 108.5 |
O10—P4—O12 | 110.47 (19) | H15C—C15A—H15D | 107.5 |
O11—P4—C36 | 108.9 (2) | C15A—C16A—H16D | 109.5 |
O10—P4—C36 | 108.9 (2) | C15A—C16A—H16E | 109.5 |
O12—P4—C36 | 106.9 (2) | H16D—C16A—H16E | 109.5 |
P1—O1—Sn1 | 131.87 (18) | C15A—C16A—H16F | 109.5 |
P1—O2—Sn1i | 145.6 (2) | H16D—C16A—H16F | 109.5 |
P1—O3—H3 | 111 (5) | H16E—C16A—H16F | 109.5 |
P2—O4—Sn1 | 131.42 (18) | C19—C18—C23 | 119.2 (5) |
P2—O5—Sn2 | 151.1 (2) | C19—C18—H18 | 120.4 |
P2—O6—H6 | 105 (4) | C23—C18—H18 | 120.4 |
P3—O7—Sn2 | 141.8 (2) | C18—C19—C20 | 120.7 (6) |
P3—O8—Sn2iii | 133.47 (19) | C18—C19—H19 | 119.6 |
P3—O9—H9 | 123 (4) | C20—C19—H19 | 119.6 |
P4—O10—Sn2 | 130.14 (19) | C21—C20—C19 | 120.0 (6) |
P4—O11—Sn1iv | 151.1 (2) | C21—C20—H20 | 120.0 |
P4—O12—H12 | 117 (4) | C19—C20—H20 | 120.0 |
C2—C1—Sn1 | 118.2 (3) | C20—C21—C22 | 120.3 (6) |
C2—C1—H1A | 107.8 | C20—C21—H21 | 119.8 |
Sn1—C1—H1A | 107.8 | C22—C21—H21 | 119.8 |
C2—C1—H1B | 107.8 | C21—C22—C23 | 120.3 (5) |
Sn1—C1—H1B | 107.8 | C21—C22—H22 | 119.8 |
H1A—C1—H1B | 107.1 | C23—C22—H22 | 119.8 |
C1—C2—C3 | 113.3 (4) | C22—C23—C18 | 119.4 (5) |
C1—C2—H2A | 108.9 | C22—C23—P1 | 120.3 (4) |
C3—C2—H2A | 108.9 | C18—C23—P1 | 120.2 (4) |
C1—C2—H2B | 108.9 | C25—C24—C29 | 119.5 (5) |
C3—C2—H2B | 108.9 | C25—C24—P2 | 120.6 (4) |
H2A—C2—H2B | 107.7 | C29—C24—P2 | 119.7 (4) |
C4—C3—C2 | 112.6 (5) | C26—C25—C24 | 119.6 (5) |
C4—C3—H3A | 109.1 | C26—C25—H25 | 120.2 |
C2—C3—H3A | 109.1 | C24—C25—H25 | 120.2 |
C4—C3—H3B | 109.1 | C27—C26—C25 | 120.4 (6) |
C2—C3—H3B | 109.1 | C27—C26—H26 | 119.8 |
H3A—C3—H3B | 107.8 | C25—C26—H26 | 119.8 |
C3—C4—H4A | 109.5 | C26—C27—C28 | 119.8 (6) |
C3—C4—H4B | 109.5 | C26—C27—H27 | 120.1 |
H4A—C4—H4B | 109.5 | C28—C27—H27 | 120.1 |
C3—C4—H4C | 109.5 | C29—C28—C27 | 121.0 (6) |
H4A—C4—H4C | 109.5 | C29—C28—H28 | 119.5 |
H4B—C4—H4C | 109.5 | C27—C28—H28 | 119.5 |
C6—C5—Sn1 | 117.8 (3) | C28—C29—C24 | 119.7 (6) |
C6—C5—H5A | 107.9 | C28—C29—H29 | 120.1 |
Sn1—C5—H5A | 107.9 | C24—C29—H29 | 120.2 |
C6—C5—H5B | 107.9 | C31—C30—C35 | 119.2 (5) |
Sn1—C5—H5B | 107.9 | C31—C30—P3 | 122.1 (4) |
H5A—C5—H5B | 107.2 | C35—C30—P3 | 118.6 (4) |
C7—C6—C5 | 112.4 (5) | C30—C31—C32 | 120.4 (6) |
C7—C6—H6A | 109.1 | C30—C31—H31 | 119.8 |
C5—C6—H6A | 109.1 | C32—C31—H31 | 119.8 |
C7—C6—H6B | 109.1 | C33—C32—C31 | 119.7 (6) |
C5—C6—H6B | 109.1 | C33—C32—H32 | 120.2 |
H6A—C6—H6B | 107.9 | C31—C32—H32 | 120.2 |
C8—C7—C6 | 115.0 (5) | C34—C33—C32 | 120.4 (6) |
C8—C7—H7A | 108.5 | C34—C33—H33 | 119.8 |
C6—C7—H7A | 108.5 | C32—C33—H33 | 119.8 |
C8—C7—H7B | 108.5 | C33—C34—C35 | 120.6 (6) |
C6—C7—H7B | 108.5 | C33—C34—H34 | 119.7 |
H7A—C7—H7B | 107.5 | C35—C34—H34 | 119.7 |
C7—C8—H8A | 109.5 | C34—C35—C30 | 119.7 (6) |
C7—C8—H8B | 109.5 | C34—C35—H35 | 120.2 |
H8A—C8—H8B | 109.5 | C30—C35—H35 | 120.2 |
C7—C8—H8C | 109.5 | C37—C36—C41 | 119.5 (5) |
H8A—C8—H8C | 109.5 | C37—C36—P4 | 121.2 (4) |
H8B—C8—H8C | 109.5 | C41—C36—P4 | 119.2 (4) |
C10—C9—Sn2 | 117.3 (3) | C38—C37—C36 | 119.7 (5) |
C10—C9—H9A | 108.0 | C38—C37—H37 | 120.1 |
Sn2—C9—H9A | 108.0 | C36—C37—H37 | 120.1 |
C10—C9—H9B | 108.0 | C39—C38—C37 | 120.4 (6) |
Sn2—C9—H9B | 108.0 | C39—C38—H38 | 119.8 |
H9A—C9—H9B | 107.2 | C37—C38—H38 | 119.8 |
C9—C10—C11 | 112.7 (5) | C38—C39—C40 | 120.0 (6) |
C9—C10—H10A | 109.0 | C38—C39—H39 | 120.0 |
C11—C10—H10A | 109.0 | C40—C39—H39 | 120.0 |
C9—C10—H10B | 109.0 | C41—C40—C39 | 120.3 (6) |
C11—C10—H10B | 109.0 | C41—C40—H40 | 119.9 |
H10A—C10—H10B | 107.8 | C39—C40—H40 | 119.9 |
C12—C11—C10 | 113.3 (7) | C40—C41—C36 | 119.9 (6) |
C12—C11—H11A | 108.9 | C40—C41—H41 | 120.0 |
C10—C11—H11A | 108.9 | C36—C41—H41 | 120.0 |
Symmetry codes: (i) −x+1, −y, −z; (ii) x−1, y, z; (iii) −x+2, −y, −z+1; (iv) x+1, y, z. |
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H3···O10v | 0.87 (2) | 1.80 (1) | 2.656 (5) | 172 (6) |
O6—H6···O1 | 0.86 (2) | 1.77 (1) | 2.628 (5) | 172 (6) |
O9—H9···O4 | 0.87 (2) | 1.83 (2) | 2.662 (5) | 159 (6) |
O12—H12···O8iii | 0.88 (2) | 1.78 (2) | 2.633 (5) | 168 (6) |
Symmetry codes: (iii) −x+2, −y, −z+1; (v) −x+2, −y, −z. |
Experimental details
Crystal data | |
Chemical formula | [Sn2(C4H9)4(C6H6PO3)4] |
Mr | 1094.14 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 150 |
a, b, c (Å) | 11.0258 (3), 13.8500 (4), 16.0177 (4) |
α, β, γ (°) | 74.074 (1), 89.742 (1), 77.291 (1) |
V (Å3) | 2290.44 (11) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 1.29 |
Crystal size (mm) | 0.30 × 0.25 × 0.10 |
Data collection | |
Diffractometer | Nonius Kappa CCD diffractometer |
Absorption correction | Multi-scan (SORTAV; Blessing, 1995) |
Tmin, Tmax | 0.699, 0.882 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 35391, 10394, 8145 |
Rint | 0.060 |
(sin θ/λ)max (Å−1) | 0.649 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.053, 0.142, 1.05 |
No. of reflections | 10394 |
No. of parameters | 570 |
No. of restraints | 4 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 2.73, −1.93 |
Computer programs: COLLECT (Nonius, 1998), DENZO and SCALEPACK (Otwinowski & Minor, 1997), SIR97 (Altomare et al., 1999), SHELXL97 (Sheldrick, 2008), ORTEP-3 (Farrugia, 1997), WinGX (Farrugia, 1999).
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H3···O10i | 0.87 (2) | 1.797 (14) | 2.656 (5) | 172 (6) |
O6—H6···O1 | 0.86 (2) | 1.770 (14) | 2.628 (5) | 172 (6) |
O9—H9···O4 | 0.87 (2) | 1.83 (2) | 2.662 (5) | 159 (6) |
O12—H12···O8ii | 0.88 (2) | 1.777 (17) | 2.633 (5) | 168 (6) |
Symmetry codes: (i) −x+2, −y, −z; (ii) −x+2, −y, −z+1. |
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
The interest to synthesize new organotin derivatives is related to their various applications in different fields: agrochemicals, surface disinfectants and marine antifouling paints, etc. (Evans & Karpel, 1985); thus many groups have been involved in the search for new organotin compounds (Holmes et al., 1988; Hadjikakou & Hadjiliadis, 2009). Our group has yet published some papers dealing with SnBu2, SnMe3 and SnPh3-residues containing derivatives (Diassé-Sarr et al., 1997; Sall et al., 1992; Boye & Diassé-Sarr, 2007). In continuation of this work, we have initiated here the study of the interactions between PhPO3H2 and SnBu2Cl2 which yielded Sn2Bu4(PhPO3H)4 . The phosphorous acids are very important in in vivo systems. Phosphorous acids are known for their biocidal activities, as some organotin compounds (Molloy et al., 1981). Combining them seems worthy for having specific derivations allowing a positive combination of that property. This explains our focus on that type of compounds.
The asymmetric unit of the title compound contains two dibutyltin(IV) units and four hydrogen phenylphosphonates, leading to [SnBu2(PhPO3H)2]2 formula (Fig. 1). The structure consists to two equivalents Sn1 atoms bridged by two hydrogenophenylphosphonates, generating a dimer. This fragment is located on a inversion center. Each Sn1 atom is linked to two others dimers based on Sn2 atoms, via other bridging hydrogenophenylphosphonates (P2, P3, P4), generating a 2D polymer. Hydrogen bonds O—H···O involving the P—OH groups of the hydrogenophenylphosphonates give a 3D crystal structure (fig. 2).
The hydrogen bonds lead to almost equal P—O bond distances [P1—O1: 1.513 (3) Å, P1—O2: 1.516 (3) Å, different of the P—OH bond: P1—O3: 1.563 (3) Å], as reported for dicyclohexylammonium trimethylbis(hydrogen phenylphosphonato)-stannate(IV) (Diop et al., 2011). The geometry around the P atom is a distorted tetrahedron [O1—P1—O2: 113.49 (18)°, O1—P1—C23: 109.6 (2)°]. The sum of the O—Sn—O angles is 360.13° for Sn1 and the C1—Sn1—C5 angle value of 174.37 (18)° indicates some deviation from ideal trans octahedral arrangement around the SnIV ions.