Startseite Naturwissenschaften The crystal structure of monocarbonyl-2-carboxypyridinato-κ2N,O-triphenylphosphine-rhodium(I) acetonitrile solvate, C26H20.50N1.50O3PRh
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The crystal structure of monocarbonyl-2-carboxypyridinato-κ2N,O-triphenylphosphine-rhodium(I) acetonitrile solvate, C26H20.50N1.50O3PRh

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Veröffentlicht/Copyright: 9. November 2023

Abstract

C26H20.50N1.50O3PRh, monoclinic, C2/c (no. 15), a = 30.5215(9) Å, b = 8.7529(2) Å, c = 22.4219(11) Å, β = 132.137(1), V = 4441.9(3) Å3, Z = 8, Rgt(F) = 0.0305, wRref(F2) = 0.0615, T = 100 K.

CCDC no.: 2303787

Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal: Yellow prism
Size: 0.27 × 0.16 × 0.07 mm
Wavelength:

μ:
Mo Kα radiation (0.71073 Å)

0.87 mm−1
Diffractometer, scan mode:

θmax, completeness:
Bruker D8 Venture 4K Kappa Photon III,

28.6°, >99 %
N(hkl)measured, N(hkl)unique, Rint: 26405, 5483, 0.038
Criterion for Iobs, N(hkl)gt: Iobs > 2 σ(Iobs), 4951
N(param)refined: 296
Programs: SHELX [1], Bruker [2], Olex2 [3], Diamond [4]
Table 2:

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).

Atom x y z Uiso*/Ueq
C1 0.81872 (10) 0.4047 (3) 0.62648 (13) 0.0153 (4)
H1 0.837763 0.347957 0.674450 0.018*
C2 0.85249 (10) 0.5006 (3) 0.62218 (14) 0.0174 (5)
H2 0.893922 0.508779 0.666021 0.021*
C3 0.82481 (11) 0.5841 (3) 0.55304 (14) 0.0184 (5)
H3 0.846476 0.654318 0.549031 0.022*
C4 0.76381 (10) 0.5635 (3) 0.48841 (14) 0.0169 (5)
H4 0.744073 0.617541 0.439508 0.020*
C5 0.73279 (10) 0.4648 (2) 0.49623 (13) 0.0126 (4)
C6 0.66681 (10) 0.4328 (3) 0.42786 (13) 0.0151 (4)
C7 0.75118 (10) 0.2124 (3) 0.66684 (13) 0.0150 (4)
C8 0.55065 (9) 0.2210 (2) 0.45739 (12) 0.0112 (4)
C9 0.53199 (10) 0.2017 (2) 0.38178 (13) 0.0130 (4)
H9 0.556804 0.151090 0.376540 0.016*
C10 0.47660 (10) 0.2567 (3) 0.31319 (13) 0.0162 (4)
H10 0.464233 0.242286 0.261801 0.019*
C11 0.43953 (10) 0.3318 (3) 0.31884 (14) 0.0172 (5)
H11 0.402264 0.369502 0.272007 0.021*
C12 0.45759 (10) 0.3508 (3) 0.39321 (14) 0.0183 (5)
H12 0.432560 0.401487 0.398004 0.022*
C13 0.51286 (10) 0.2958 (2) 0.46237 (13) 0.0151 (4)
H13 0.524720 0.309757 0.513470 0.018*
C14 0.62103 (10) −0.0532 (2) 0.53614 (13) 0.0115 (4)
C15 0.67291 (11) −0.1380 (3) 0.59380 (14) 0.0165 (5)
H15 0.708259 −0.087089 0.637389 0.020*
C16 0.67252 (12) −0.2956 (3) 0.58706 (15) 0.0210 (5)
H16 0.707592 −0.352592 0.625892 0.025*
C17 0.62051 (12) −0.3703 (3) 0.52314 (15) 0.0219 (5)
H17 0.620605 −0.477991 0.518071 0.026*
C18 0.56823 (11) −0.2880 (3) 0.46644 (15) 0.0203 (5)
H18 0.532773 −0.339758 0.423804 0.024*
C19 0.56853 (10) −0.1297 (3) 0.47295 (14) 0.0172 (5)
H19 0.533186 −0.073306 0.434598 0.021*
C20 0.62651 (9) 0.1837 (2) 0.62738 (12) 0.0115 (4)
C21 0.65422 (10) 0.3133 (2) 0.67615 (13) 0.0131 (4)
H21 0.674813 0.381447 0.669352 0.016*
C22 0.65155 (10) 0.3418 (3) 0.73390 (13) 0.0145 (4)
H22 0.670851 0.428687 0.767809 0.017*
C23 0.62063 (10) 0.2433 (3) 0.74239 (13) 0.0164 (4)
H23 0.618001 0.264431 0.781466 0.020*
C24 0.59342 (10) 0.1141 (3) 0.69464 (13) 0.0173 (5)
H24 0.572650 0.046900 0.701491 0.021*
C25 0.59645 (10) 0.0833 (3) 0.63745 (13) 0.0143 (4)
H25 0.578217 −0.005711 0.605016 0.017*
C26 0.500000 0.5957 (4) 0.250000 0.0335 (9)
H26Aa 0.524930 0.558337 0.305399 0.050*
H26Ba 0.515531 0.558337 0.226075 0.050*
H26Ca 0.459539 0.558337 0.218526 0.050*
C27 0.500000 0.7608 (4) 0.250000 0.0202 (7)
N1 0.75958 (8) 0.3880 (2) 0.56519 (11) 0.0121 (4)
N2 0.500000 0.8911 (4) 0.250000 0.0268 (7)
O1 0.64029 (7) 0.490 (2) 0.36194 (10) 0.0231 (4)
O2 0.64361 (7) 0.34217 (18) 0.44512 (9) 0.0151 (3)
O3 0.78578 (8) 0.1820 (2) 0.73428 (10) 0.0239 (4)
P1 0.62483 (2) 0.15424 (6) 0.54650 (3) 0.00971 (11)
Rh1 0.69905 (2) 0.26665 (2) 0.56228 (2) 0.01013 (5)
  1. aOccupancy: 0.5

1 Source of materials

The complex was synthesized starting with the reduction of hydrated RhCl3 in DMF which was refluxed for approximately 20 min to give a yellow solution of di-μ-chloro-tetracarbonyldirhodium(I), [RhCl(CO)2]2 [5], [6], [7].

The addition of an equivalent amount of pyridine-2-carboxylic acid (picH) to the aforementioned yellow solution followed by addition of ice water to precipitate the dicarbonylrhodium(I) complex, [Rh I (pic)(CO)2].

[Rh(pic)(CO)(PPh3)] was synthesized by dissolving [Rh(pic)(CO)2] (0.023 g, 0.078 mmol) in 5 cm3 of acetone. Triphenylphosphine (0.0239 g, 0.078 mmol) was added to the aforementioned solution with stirring. Some ice water was added dropwise to precipitate the product. Yellow prism crystals were obtained from recrystallization in acetonitrile.

2 Experimental details

All H-atoms were positioned on geometrically idealized positions and refined using the riding model with fixed C–H distances for aromatic C–H of 0.93 Å(C–H) [Uiso (H) = 1.2 Ueq], for methyl C–H of 0.96 Å (C–H) [Uiso(H) = 1.5 Ueq]. The graphics were obtained using the DIAMOND [4] program with 50 % probability ellipsoids for all non-hydrogen atoms. The highest peak is located 0.89 Å from P1 and the deepest hole is situated 0.71 Å from C 23. Some hydrogen atoms in the figure are omitted for clarity.

3 Comment

The synthesis of Rh(I) and Rh(III) complexes have been discussed intensively, and a massive number of studies involve the synthesis of the precursor complex [Rh(L,L′–BID)(CO)2], of which one of the carbonyl ligands may be substituted by tertiary phosphine ligands to form [Rh(L,L′–BID)(CO) (PX3)], L,LN′–BID denotes monocharged bidentate ligands with different donor atoms such as O,O′, O,N, O,S, and N,S, with PX3 demonstrating different neutral monodentate phosphine ligands. In this study the complex [Rh(pic)(CO) (PPh3)] (pic- = picolinic acid) has been synthesized as part of a study to gain a better understanding of the electronic and steric influence of the phosphine ligands on the oxidative addition of iodomethane [8], [9], [10], [11], [12], [13]. The coordination mode in the title complex is similar to the complexes reported previously [14]. Leipoldt et al. [15] had determined a structure similar to the title complex.

A distortion from the ideal square planar geometry in the title structure, as well as in the complex published by Leipoldt et al. is evidenced by the angles around the coordination polyhedron, which differ from 90°. The P1–Rh1–O2, P1–Rh1–C7, and O2–Rh1–N1 bond angles of 93.4(1), 90.4(2) and 80.2(2) for the title structure and the P1–Rh1–O1, P1–Rh1–C2 and O1–Rh1–N1 bond angles of 90.9(1), 93.5(3) and 78.9(2) for the complex by Leipoldt et al. The Rh1–P1, Rh1–O2 and Rh1–N1 bond distances of 2.269(1) Å, 2.028(1) Å and 2.093(0) Å respectively for the title structure, Rh1–P1, Rh1–O1 and Rh1–N1 of 2.262(2) Å, 2.066(7) Å and 2.088(6) Å respectively for the complex by Leipoldt et al. The structure crystallizes with an acetonitrile solvate molecule in the crystal lattice while the structure by Leipoldt et al. crystallizes with methanol solvate. The title structure has been collected at 100 K while the structure by Leipoldt et al. was collected at 298 K. Leipoldt showed that the complex crystallized in the triclinic system with Z = 2, while for the title structure the space group has been determined as the monoclinic C2/c with Z = 8.

The lengthening of Rh1–N1 compared to Rh1–O2 in the title structure and Rh1–N1 and Rh1–O1 for the complex by Leipoldt is due to the strong trans influence of the P atom.


Corresponding author: Mohammed A. Elmakki, Department of Chemistry, University of the Free State, 9301, Bloemfontein, South Africa, E-mail:

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Competing interests: The authors declare no conflicts of interest regarding this article.

  3. Research funding: The authors acknowledge funding under the Swiss–South Africa joint research program (SSAJRP) from the SANRF (A. Roodt: UID: 107802) as well as from the Competitive Program for Rated Researchers of the SANRF (A. Roodt: UID: 111698), from the South African Department of Science Innovation (DSI) and the Department of Science and Technology (DST) respectively, “Department of Science and Innovation, Republic of South Africa” and “Department of Science and Technology, Republic of South Africa”.

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Received: 2023-10-11
Accepted: 2023-10-26
Published Online: 2023-11-09
Published in Print: 2024-02-26

© 2023 the author(s), published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 International License.

Artikel in diesem Heft

  1. Frontmatter
  2. New Crystal Structures
  3. Crystal structure of poly[diaqua-(μ4-3,3′-di(1H-1,2,4-triazol-1-yl)-[1,1′-biphenyl]-4,4′-dicarboxylate-N:N′:O:O′)cadmium(II)], C18H14N6O6Cd
  4. Crystal structure of (8R,8′S,13S,13′R)-8,8′-bis(hydroxymethyl)-9,9′,10,10′-tetramethoxy-5,5′,6,6′,8,8′,13,13′-octahydro-[13,13′-bi[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinoline]-7,7′-diium chloride-methanol (1/2), C46H58N2O14Cl2
  5. The crystal structure of 8-methoxy-2,2-diphenyl-tosyl-1,2-dihydro-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ig]quinoline, C29H25BN2O3S
  6. Crystal structure of aqua-(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-κ4N,N′,N″,N‴)copper(II) 5-carboxyisophthalate tetrahydrate, C25H50N4CuO11
  7. The crystal structure of 1-(naphthalen-2-ylsulfonyl)-2,2-diphenyl-1,2-dihydro-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ij]quinoline, C31H23BN2O2S
  8. Crystal structure of iodido-(η6-benzene) (1-(pyridin-2-yl)-N-(p-fluoro-methanamine)-κ2N,Nʹ)ruthenium(II) hexaflourophosphate, (C18H15F7IN2RuP)
  9. The crystal structure of 1-(3-oxo-1-phenyl-3-(p-tolyl) propylidene)-1,3-dihydro-2H-inden-2-one, C25H20O2
  10. Crystal structure of tricyclohexyl[4-(4H-1,2,4-triazol-4-yl)-benzoato-κO]tin(IV), C27H39N3O2Sn
  11. Crystal structure of [triaqua-(8-carboxymethoxy-quinoline-2-carboxylate-κ4N,O,O,O)cadmium(II)]monohydrate, C12H15NO9Cd
  12. Crystal structure of ethyl 2-((4-(3,5-dimethylisoxazol-4-yl)-2,6-difluorophenyl)amino)benzoate, C20H18F2N2O3
  13. The crystal structure of 2-(hydroxymethyl)-2-(4H-1,2,4-triazol-4-yl)propane-1,3-diol, C6H11N3O3
  14. The crystal structure of 1,2-bis(2,4-dinitrophenyl) hydrazine, C12H8N6O8
  15. Crystal structure of 1-(2,6-dichloro-4-(3,5-dimethylisoxazol-4-yl)phenyl)-1,2-dihydro-4H-benzo[d][1,3]oxazin-4-one, C19H14Cl2N2O3
  16. The crystal structure of 5-amino-5-oxo-4-(1-oxo-4-(2-oxopyrrolidin-1-yl)isoindolin-2-yl)pentanoic acid, C17H19N3O5
  17. Crystal structure of N2,N6-bis(2-(((Z)-5-bromo-2-hydroxybenzylidene)amino) phenyl)pyridine-2,6-dicarboxamide, C33H23Br2N5O4
  18. The crystal structure of (E)-2-methoxy-6-(((5-methyl-1,3,4-thiadiazol-2-yl)imino)methyl)phenol, C11H11N3O2S
  19. The crystal structure of 3-((tert-butyldiphenylsilyl)methyl)-5,5-diphenyl-6-(p-tolyl) tetrahydro-2H-pyran-2-one, C41H42O2Si
  20. Crystal structure of 9-fluoro-4-(6-methoxypyridin-3-yl)-5,6-dihydrobenzo[h]quinazolin-2-amine, C18H15FN4O
  21. The crystal structure of 2-bromo-5-(4-cyanophenoxy)benzyl 1-methyl-1,2,5,6-tetrahydropyridine-3-carboxylate, C21H19BrN2O3
  22. Crystal structure of 3,3′-(1,4-phenylenebis(methylene))bis(1-isopropyl-1H-imidazol-3-ium) bis(hexafluorophosphate(V)), C10H14F6N2P
  23. The crystal structure of 2,2-di(thiophen-3-yl)-1-tosyl-1,2-dihydro-2λ4,3λ4-[1,3,2]diazaborolo[4,5,1-ig]quinoline, C24H19BN2O2S3
  24. Crystal structure of 5-bromo-1-(2-iodobenzoyl)-1H-indole-3-carbaldehyde, C16H9BrINO2
  25. The crystal structure of monocarbonyl-2-carboxypyridinato-κ2N,O-triphenylphosphine-rhodium(I) acetonitrile solvate, C26H20.50N1.50O3PRh
  26. Crystal structure of dichlorido-tetrakis(1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol-κ1N)manganese(II), C60H68O4N12Cl10Mn
  27. Crystal structure of 3-(tert-butyldiphenylsilyl)-1-(2,6-dichlorophenyl)-2,2-diphenylpropan-1-ol, C37H36Cl2OSi
  28. Crystal structure of langite from Mine du Pradet (France)
  29. The crystal structure of 5′-(furan-2-yl)-3′-((4-methylphenyl)sulfonamido)-3′,4′,5′,6′-tetrahydro-[1,1′:3′,1″-terphenyl]-4′-carboxylic acid, C30H27NO5S
  30. Synthesis and crystal structure of bis{2-(((4-acetophenone)imino)methyl)-4-fluorophenolato-κ2N,O}zinc(II), C30H22F2N2O4Zn
  31. The crystal structure of poly[(tripyridine-κ3N,N′,N″) μ3-(pyridine-3,4-dicarboxylate-κ3N:O:O′) manganese(II)], C22H22N4O8Mn
  32. The crystal structure of (E)-4-chloro-N′-(1-(4-hydroxyphenyl)propylidene)benzohydrazide, C16H15ClN2O2
  33. Synthesis and crystal structure of bis{2-(tert-butyl)-6-((E)-((4-((E)-1-(methoxyimino) ethyl)phenyl)imino)methyl)phenolato-κ2N,O}cobalt(II), C40H46CoN4O4
  34. Crystal structure of tetraaqua-[(1-(carboxymethyl)-1H-pyrazole-3-carboxylato-κ2N,O)cobalt(II)], C6H12CoN2O8
  35. (6R,7S)-2,3,13-trimethoxy-6,7-dimethyl-5,6,7,8-tetrahydrobenzo[3′,4′]cycloocta [1′,2′:4,5]benzo[1,2-d][1,3]dioxol-1-ol, C22H26O6
  36. Crystal structure of 2-((2,6-dichloro-4-(3,5-dimethylisoxazol-4-yl)phenyl)amino)benzoic acid, C18H14Cl2N2O3
  37. Crystal structure of (5aS,6aS,8aR,9R,11aS, 11bS,13R,13aS)-1,1,8a,11a-tetramethyl-9-((S)-1-((S)-5-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)ethyl)-3-oxo-1,7,8,8a,9,10,11,11a,11b,12,13,13a-dodecahydro-3H,6H-cyclopenta[5,6]cyclopropa[1,8a]naphtho[2,1-c]oxepin-13-yl acetate, C32H44O6
  38. Crystal structure of catena-poly[triaqua-(μ2-1-(4-carboxylatophenyl)-4-oxo-1,4-dihydropyridazine-3-carboxylato-O,O′:O″)cobalt(II)], C12H12N2O8Co
  39. Crystal structure of 3-[(furan-2-ylmethyl)-amino]-2-(2,3,4,5-tetrafluoro-benzoyl)-acrylic acid ethyl ester, C17H13F4NO4
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  41. Crystal structure of 4-bromo-2-(4-chlorophenyl)-1-methyl-5-(trifluoromethyl)-1H-pyrrole-3-carbonitrile, C13H7BrClF3N2
  42. The crystal structure of triaqua-(8-carboxymethoxy-quinoline-2-carboxylate-κ3N,O,O)nickel(II) monohydrate, C12H15NO9Ni
  43. Crystal structure of dihydroxy(2,4,6-triisopro-pylphenyl)telluronium trifluoromethanesulfonate, C16H25F3O5STe
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  45. The crystal structure of 1,3,5-tris(dibromomethyl)benzene, C9H6Br6
  46. Crystal structure of (Z)-3-(4-methoxyphenyl)-4-(5-methyl-1-phenyl-1H-1,2,3-triazol-4-yl)-N-phenylthiazol-2(3H)-imine, C25H21N5OS
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