metal-organic compounds
(3-{[2,6-Bis(1-methylethyl)phenyl]imino-κN}-1-phenylbut-1-en-1-olato-κO)dimethylaluminium
aSchool of Science, Beijing University of Chemical Technology, PO Box 144, Beisanhuandong Road 15, Chaoyang District, 100029 Beijing, People's Republic of China, and bKey Laboratory for Synthetic Resin, Petrochemical Research Institute, PetroChina Company Limited, Block E, Jingxinyuan A, No. 25 Beiwucun Road, Haidian District, Beijing 100195, People's Republic of China
*Correspondence e-mail: hjhao@mail.buct.edu.cn
The molecular structure of the title compound, [Al(CH3)2(C22H26NO)], displays a monomer with the AlIII atom in a distorted tetrahedral environment defined by two methyl groups and the N and O atoms of the chelating ketiminate anion. The O—Al—N bite angle of the chelating ligand is 94.14 (9)°. The O—C—C—C—N backbone of the ligand is nearly coplanar (r.m.s. deviation = 0.029 Å) and the Al atom deviates significantly from the mean plane by 0.525 (3) Å. In the crystal, weak intermolecular C—H⋯O interactions are observed.
Related literature
For the structures of related aluminium complexes, see: Yu et al. (2002). For the structures of nickel, palladium, iron and zinc complexes with related bidentate β-ketoiminate ligands, see: He et al. (2003); Li et al. (2005); Benito-Garagorri et al. (2005); Granum et al. (2011). For a description of the Cambridge Structural Database, see: Allen (2002).
Experimental
Crystal data
|
Refinement
|
|
Data collection: SMART (Bruker, 1998); cell SMART and SAINT (Bruker, 1998); 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); software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S1600536812005880/zq2142sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812005880/zq2142Isup3.hkl
Supporting information file. DOI: 10.1107/S1600536812005880/zq2142Isup4.cdx
All the operations were carried out by using Schlenk techniques or in a drybox under dinitrogen atmosphere. The ketiminate ligand [PhC(O)CHCMeNHAr] (0.645 g, 2.00 mmol) was dissolved in 30 ml of toluene. To this solution, AlMe3 (1.1 ml, 2.0 M in toluene, 2.2 mmol) was added dropwise at room temperature and the resulting solution was stirred for 3 h. After the removal of all volatiles, the residue was dissolved in hexane and stored at 0 °C for 12 h to afford colorless crystals (0.67 g, 90%), which were suitable for a X-ray diffraction analysis.
All hydrogen positions were calculated after each cycle of
using a riding model, with C—H = 0.93Å and Uiso(H) = 1.2Ueq(C) for aromatic H atoms, with C—H = 0.98Å and Uiso(H) = 1.2Ueq(C) for methine H atoms, and with C—H = 0.96Å and Uiso(H) = 1.5Ueq(C) for methyl H atoms.The bidentate β-ketoiminate ligand, {[2,6-bis(1-methylethyl)phenyl]imino}pent-2-en-2-olate, is well known in the literature in transition-metal complexes (see Granum, et al., 2011, and references therein) while the phenyl derivative used in the title compound, {[2,6-bis(1-methylethyl)phenyl]imino}-1-phenylbut-1-en-1-olate, is only reported in the Cambridge Structural Database (Allen, 2002) for two Ni complexes (He et al., 2003; Li et al., 2005) and one Pd complex (Benito-Garagorri et al., 2005).
The molecular structure of the title compound, C24H32AlNO, displays a monomer with the Al atom in a distorted tetrahedral environment defined by two methyl groups and the N and O atoms of the chelating ketiminate ligand. (Yu, et al., 2002). The Al—O1, Al1—N1 (Table 1), C1—C8, and C8—C9 bond lengths of 1.7853 (10), 1.947 (2), 1.360 (3) and1.417 (3) Å, respectively, are very similar to those in related aluminium compounds (Yu et al., 2002). The biting angle of the ligand, O1—Al1—N1, is 94.14 (9)°. The backbone of the ligand, O1–C1–C8–C9–N1, is nearly coplanar (r.m.s. deviation = 0.029 Å) and the Al atom significantly deviates from the mean plane by 0.525 (3) Å. In the
weak intermolecular C–H···O are observed (Table 2).For the structures of related aluminium complexes, see: Yu et al. (2002). For the structures of iron and zinc [Comment section says Ni and Pd; please clarify] complexes with related bidentate β-ketoiminate ligands, see: He et al. (2003); Li et al. (2005); Granum et al. (2011); Benito-Garagorri et al. (2005). For a description of the Cambridge Structural Database, see: Allen (2002).
Data collection: SMART (Bruker, 1998); cell
SMART and SAINT (Bruker, 1998); data reduction: SAINT (Bruker, 1998); 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).Fig. 1. The molecular structure of the title compound with displacement ellipsoids drawn at the 30% probability level. |
[Al(CH3)2(C22H26NO)] | F(000) = 816 |
Mr = 377.49 | Dx = 1.105 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 960 reflections |
a = 15.231 (4) Å | θ = 2.5–22.1° |
b = 9.994 (3) Å | µ = 0.10 mm−1 |
c = 15.289 (4) Å | T = 293 K |
β = 102.889 (5)° | Colourless, colourless |
V = 2268.7 (10) Å3 | 0.20 × 0.18 × 0.12 mm |
Z = 4 |
Bruker SMART CCD area-detector diffractometer | 4662 independent reflections |
Radiation source: fine-focus sealed tube | 2308 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.071 |
phi and ω scans | θmax = 26.5°, θmin = 1.4° |
Absorption correction: multi-scan SADABS (Bruker, 1998) | h = −19→15 |
Tmin = 0.973, Tmax = 0.988 | k = −12→12 |
12801 measured reflections | l = −19→19 |
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)] = 0.062 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.142 | H-atom parameters constrained |
S = 0.99 | w = 1/[σ2(Fo2) + (0.0554P)2 + 0.1518P] where P = (Fo2 + 2Fc2)/3 |
4662 reflections | (Δ/σ)max = 0.002 |
251 parameters | Δρmax = 0.18 e Å−3 |
0 restraints | Δρmin = −0.18 e Å−3 |
[Al(CH3)2(C22H26NO)] | V = 2268.7 (10) Å3 |
Mr = 377.49 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 15.231 (4) Å | µ = 0.10 mm−1 |
b = 9.994 (3) Å | T = 293 K |
c = 15.289 (4) Å | 0.20 × 0.18 × 0.12 mm |
β = 102.889 (5)° |
Bruker SMART CCD area-detector diffractometer | 4662 independent reflections |
Absorption correction: multi-scan SADABS (Bruker, 1998) | 2308 reflections with I > 2σ(I) |
Tmin = 0.973, Tmax = 0.988 | Rint = 0.071 |
12801 measured reflections |
R[F2 > 2σ(F2)] = 0.062 | 0 restraints |
wR(F2) = 0.142 | H-atom parameters constrained |
S = 0.99 | Δρmax = 0.18 e Å−3 |
4662 reflections | Δρmin = −0.18 e Å−3 |
251 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 | ||
Al1 | 0.72813 (6) | 0.07289 (8) | 0.08417 (5) | 0.0456 (3) | |
O1 | 0.66287 (12) | −0.00347 (19) | 0.15410 (12) | 0.0557 (5) | |
N1 | 0.79222 (13) | 0.1912 (2) | 0.17815 (13) | 0.0380 (5) | |
C1 | 0.68754 (17) | −0.0199 (3) | 0.24069 (18) | 0.0409 (7) | |
C2 | 0.63259 (19) | −0.1183 (3) | 0.27835 (19) | 0.0431 (7) | |
C3 | 0.6553 (2) | −0.1596 (3) | 0.3665 (2) | 0.0639 (9) | |
H3 | 0.7068 | −0.1255 | 0.4045 | 0.077* | |
C4 | 0.6024 (3) | −0.2510 (3) | 0.3991 (2) | 0.0732 (10) | |
H4 | 0.6184 | −0.2784 | 0.4587 | 0.088* | |
C5 | 0.5262 (2) | −0.3012 (3) | 0.3435 (3) | 0.0678 (10) | |
H5 | 0.4901 | −0.3618 | 0.3655 | 0.081* | |
C6 | 0.5035 (2) | −0.2623 (3) | 0.2560 (3) | 0.0662 (9) | |
H6 | 0.4522 | −0.2971 | 0.2180 | 0.079* | |
C7 | 0.5564 (2) | −0.1714 (3) | 0.2236 (2) | 0.0572 (8) | |
H7 | 0.5404 | −0.1456 | 0.1637 | 0.069* | |
C8 | 0.75586 (18) | 0.0519 (3) | 0.29209 (17) | 0.0456 (7) | |
H8 | 0.7741 | 0.0273 | 0.3521 | 0.055* | |
C9 | 0.80191 (17) | 0.1606 (3) | 0.26307 (18) | 0.0415 (7) | |
C10 | 0.8627 (2) | 0.2406 (3) | 0.33578 (18) | 0.0608 (9) | |
H10A | 0.9177 | 0.1922 | 0.3576 | 0.091* | |
H10B | 0.8331 | 0.2554 | 0.3842 | 0.091* | |
H10C | 0.8760 | 0.3251 | 0.3119 | 0.091* | |
C11 | 0.82742 (18) | 0.3144 (3) | 0.14972 (16) | 0.0396 (7) | |
C12 | 0.76949 (18) | 0.4247 (3) | 0.13277 (17) | 0.0441 (7) | |
C13 | 0.67952 (19) | 0.4276 (3) | 0.1588 (2) | 0.0565 (8) | |
H13 | 0.6605 | 0.3347 | 0.1635 | 0.068* | |
C14 | 0.6892 (2) | 0.4919 (4) | 0.2512 (2) | 0.0892 (12) | |
H14A | 0.7336 | 0.4442 | 0.2943 | 0.134* | |
H14B | 0.6324 | 0.4886 | 0.2685 | 0.134* | |
H14C | 0.7076 | 0.5835 | 0.2487 | 0.134* | |
C15 | 0.6056 (2) | 0.4978 (4) | 0.0913 (2) | 0.0863 (11) | |
H15A | 0.6172 | 0.5923 | 0.0928 | 0.129* | |
H15B | 0.5485 | 0.4815 | 0.1062 | 0.129* | |
H15C | 0.6043 | 0.4640 | 0.0322 | 0.129* | |
C16 | 0.7996 (2) | 0.5371 (3) | 0.09505 (19) | 0.0603 (9) | |
H16 | 0.7624 | 0.6118 | 0.0831 | 0.072* | |
C17 | 0.8826 (2) | 0.5407 (3) | 0.0750 (2) | 0.0692 (10) | |
H17 | 0.9008 | 0.6164 | 0.0483 | 0.083* | |
C18 | 0.9385 (2) | 0.4338 (3) | 0.0939 (2) | 0.0617 (9) | |
H18 | 0.9953 | 0.4384 | 0.0809 | 0.074* | |
C19 | 0.91372 (19) | 0.3177 (3) | 0.13219 (17) | 0.0459 (7) | |
C20 | 0.9802 (2) | 0.2053 (3) | 0.1555 (2) | 0.0604 (9) | |
H20 | 0.9510 | 0.1321 | 0.1808 | 0.072* | |
C21 | 1.0103 (3) | 0.1520 (4) | 0.0738 (2) | 0.0964 (13) | |
H21A | 0.9584 | 0.1289 | 0.0280 | 0.145* | |
H21B | 1.0470 | 0.0739 | 0.0903 | 0.145* | |
H21C | 1.0445 | 0.2194 | 0.0515 | 0.145* | |
C22 | 1.0629 (2) | 0.2489 (4) | 0.2259 (3) | 0.1135 (15) | |
H22A | 1.0966 | 0.3132 | 0.2001 | 0.170* | |
H22B | 1.1001 | 0.1724 | 0.2460 | 0.170* | |
H22C | 1.0441 | 0.2884 | 0.2760 | 0.170* | |
C23 | 0.8091 (2) | −0.0611 (3) | 0.0531 (2) | 0.0842 (11) | |
H23A | 0.8551 | −0.0821 | 0.1052 | 0.126* | |
H23B | 0.8364 | −0.0265 | 0.0069 | 0.126* | |
H23C | 0.7756 | −0.1405 | 0.0319 | 0.126* | |
C24 | 0.6516 (2) | 0.1673 (3) | −0.01497 (19) | 0.0738 (10) | |
H24A | 0.6279 | 0.1052 | −0.0622 | 0.111* | |
H24B | 0.6862 | 0.2346 | −0.0369 | 0.111* | |
H24C | 0.6028 | 0.2090 | 0.0052 | 0.111* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Al1 | 0.0502 (5) | 0.0460 (5) | 0.0408 (5) | −0.0029 (4) | 0.0106 (4) | −0.0022 (4) |
O1 | 0.0552 (13) | 0.0653 (13) | 0.0444 (12) | −0.0169 (10) | 0.0061 (10) | 0.0040 (10) |
N1 | 0.0396 (13) | 0.0369 (13) | 0.0384 (13) | 0.0003 (10) | 0.0109 (10) | 0.0035 (10) |
C1 | 0.0380 (16) | 0.0405 (16) | 0.0437 (17) | 0.0039 (13) | 0.0079 (14) | 0.0043 (13) |
C2 | 0.0416 (17) | 0.0389 (16) | 0.0508 (18) | 0.0000 (13) | 0.0148 (15) | 0.0014 (14) |
C3 | 0.072 (2) | 0.062 (2) | 0.058 (2) | −0.0226 (18) | 0.0151 (18) | 0.0045 (17) |
C4 | 0.092 (3) | 0.067 (2) | 0.068 (2) | −0.015 (2) | 0.033 (2) | 0.0093 (18) |
C5 | 0.068 (2) | 0.052 (2) | 0.095 (3) | −0.0082 (18) | 0.043 (2) | 0.003 (2) |
C6 | 0.046 (2) | 0.061 (2) | 0.091 (3) | −0.0111 (17) | 0.0165 (19) | 0.0031 (19) |
C7 | 0.048 (2) | 0.057 (2) | 0.066 (2) | −0.0031 (16) | 0.0128 (17) | 0.0041 (16) |
C8 | 0.0488 (18) | 0.0498 (18) | 0.0369 (16) | −0.0022 (15) | 0.0067 (14) | 0.0091 (13) |
C9 | 0.0399 (17) | 0.0406 (16) | 0.0435 (18) | 0.0003 (13) | 0.0083 (13) | 0.0027 (13) |
C10 | 0.067 (2) | 0.065 (2) | 0.0466 (18) | −0.0177 (18) | 0.0033 (16) | −0.0002 (15) |
C11 | 0.0438 (18) | 0.0382 (17) | 0.0372 (16) | −0.0033 (13) | 0.0099 (13) | −0.0001 (12) |
C12 | 0.0498 (18) | 0.0394 (16) | 0.0441 (16) | −0.0032 (15) | 0.0122 (14) | −0.0003 (14) |
C13 | 0.054 (2) | 0.0423 (17) | 0.076 (2) | 0.0048 (16) | 0.0201 (17) | 0.0100 (16) |
C14 | 0.092 (3) | 0.110 (3) | 0.076 (2) | 0.031 (2) | 0.040 (2) | −0.001 (2) |
C15 | 0.066 (2) | 0.084 (3) | 0.107 (3) | 0.021 (2) | 0.015 (2) | 0.015 (2) |
C16 | 0.075 (2) | 0.043 (2) | 0.065 (2) | 0.0018 (16) | 0.0207 (19) | 0.0063 (15) |
C17 | 0.084 (3) | 0.055 (2) | 0.077 (2) | −0.013 (2) | 0.037 (2) | 0.0131 (18) |
C18 | 0.060 (2) | 0.063 (2) | 0.070 (2) | −0.0121 (19) | 0.0315 (18) | 0.0002 (18) |
C19 | 0.0466 (18) | 0.0487 (19) | 0.0436 (17) | −0.0028 (15) | 0.0129 (14) | 0.0008 (14) |
C20 | 0.0451 (19) | 0.068 (2) | 0.072 (2) | 0.0035 (17) | 0.0217 (17) | 0.0097 (18) |
C21 | 0.106 (3) | 0.094 (3) | 0.106 (3) | 0.029 (3) | 0.058 (3) | 0.006 (2) |
C22 | 0.060 (3) | 0.150 (4) | 0.116 (3) | 0.001 (3) | −0.010 (2) | 0.017 (3) |
C23 | 0.080 (3) | 0.075 (2) | 0.100 (3) | 0.004 (2) | 0.025 (2) | −0.027 (2) |
C24 | 0.092 (3) | 0.076 (2) | 0.048 (2) | 0.006 (2) | 0.0041 (18) | −0.0002 (17) |
Al1—O1 | 1.7853 (19) | C13—C14 | 1.528 (4) |
Al1—C24 | 1.939 (3) | C13—H13 | 0.9800 |
Al1—N1 | 1.947 (2) | C14—H14A | 0.9600 |
Al1—C23 | 1.949 (3) | C14—H14B | 0.9600 |
O1—C1 | 1.303 (3) | C14—H14C | 0.9600 |
N1—C9 | 1.310 (3) | C15—H15A | 0.9600 |
N1—C11 | 1.447 (3) | C15—H15B | 0.9600 |
C1—C8 | 1.360 (3) | C15—H15C | 0.9600 |
C1—C2 | 1.488 (3) | C16—C17 | 1.367 (4) |
C2—C7 | 1.377 (4) | C16—H16 | 0.9300 |
C2—C3 | 1.377 (4) | C17—C18 | 1.357 (4) |
C3—C4 | 1.384 (4) | C17—H17 | 0.9300 |
C3—H3 | 0.9300 | C18—C19 | 1.390 (4) |
C4—C5 | 1.371 (4) | C18—H18 | 0.9300 |
C4—H4 | 0.9300 | C19—C20 | 1.501 (4) |
C5—C6 | 1.362 (4) | C20—C21 | 1.519 (4) |
C5—H5 | 0.9300 | C20—C22 | 1.527 (4) |
C6—C7 | 1.377 (4) | C20—H20 | 0.9800 |
C6—H6 | 0.9300 | C21—H21A | 0.9600 |
C7—H7 | 0.9300 | C21—H21B | 0.9600 |
C8—C9 | 1.417 (3) | C21—H21C | 0.9600 |
C8—H8 | 0.9300 | C22—H22A | 0.9600 |
C9—C10 | 1.508 (4) | C22—H22B | 0.9600 |
C10—H10A | 0.9600 | C22—H22C | 0.9600 |
C10—H10B | 0.9600 | C23—H23A | 0.9600 |
C10—H10C | 0.9600 | C23—H23B | 0.9600 |
C11—C19 | 1.399 (3) | C23—H23C | 0.9600 |
C11—C12 | 1.400 (4) | C24—H24A | 0.9600 |
C12—C16 | 1.386 (4) | C24—H24B | 0.9600 |
C12—C13 | 1.510 (4) | C24—H24C | 0.9600 |
C13—C15 | 1.519 (4) | ||
O1—Al1—C24 | 111.00 (13) | C13—C14—H14A | 109.5 |
O1—Al1—N1 | 94.14 (9) | C13—C14—H14B | 109.5 |
C24—Al1—N1 | 113.34 (12) | H14A—C14—H14B | 109.5 |
O1—Al1—C23 | 108.60 (13) | C13—C14—H14C | 109.5 |
C24—Al1—C23 | 116.53 (15) | H14A—C14—H14C | 109.5 |
N1—Al1—C23 | 110.90 (13) | H14B—C14—H14C | 109.5 |
C1—O1—Al1 | 126.10 (18) | C13—C15—H15A | 109.5 |
C9—N1—C11 | 122.0 (2) | C13—C15—H15B | 109.5 |
C9—N1—Al1 | 121.08 (18) | H15A—C15—H15B | 109.5 |
C11—N1—Al1 | 116.95 (16) | C13—C15—H15C | 109.5 |
O1—C1—C8 | 122.0 (2) | H15A—C15—H15C | 109.5 |
O1—C1—C2 | 114.6 (2) | H15B—C15—H15C | 109.5 |
C8—C1—C2 | 123.3 (2) | C17—C16—C12 | 121.5 (3) |
C7—C2—C3 | 118.3 (3) | C17—C16—H16 | 119.2 |
C7—C2—C1 | 119.3 (3) | C12—C16—H16 | 119.2 |
C3—C2—C1 | 122.4 (3) | C18—C17—C16 | 120.0 (3) |
C2—C3—C4 | 120.7 (3) | C18—C17—H17 | 120.0 |
C2—C3—H3 | 119.6 | C16—C17—H17 | 120.0 |
C4—C3—H3 | 119.6 | C17—C18—C19 | 122.1 (3) |
C5—C4—C3 | 119.9 (3) | C17—C18—H18 | 119.0 |
C5—C4—H4 | 120.0 | C19—C18—H18 | 119.0 |
C3—C4—H4 | 120.0 | C18—C19—C11 | 117.1 (3) |
C6—C5—C4 | 119.9 (3) | C18—C19—C20 | 119.5 (3) |
C6—C5—H5 | 120.0 | C11—C19—C20 | 123.4 (2) |
C4—C5—H5 | 120.0 | C19—C20—C21 | 112.3 (3) |
C5—C6—C7 | 120.1 (3) | C19—C20—C22 | 111.1 (3) |
C5—C6—H6 | 120.0 | C21—C20—C22 | 109.1 (3) |
C7—C6—H6 | 120.0 | C19—C20—H20 | 108.1 |
C2—C7—C6 | 121.1 (3) | C21—C20—H20 | 108.1 |
C2—C7—H7 | 119.5 | C22—C20—H20 | 108.1 |
C6—C7—H7 | 119.5 | C20—C21—H21A | 109.5 |
C1—C8—C9 | 126.3 (2) | C20—C21—H21B | 109.5 |
C1—C8—H8 | 116.9 | H21A—C21—H21B | 109.5 |
C9—C8—H8 | 116.9 | C20—C21—H21C | 109.5 |
N1—C9—C8 | 122.4 (2) | H21A—C21—H21C | 109.5 |
N1—C9—C10 | 121.4 (2) | H21B—C21—H21C | 109.5 |
C8—C9—C10 | 116.2 (2) | C20—C22—H22A | 109.5 |
C9—C10—H10A | 109.5 | C20—C22—H22B | 109.5 |
C9—C10—H10B | 109.5 | H22A—C22—H22B | 109.5 |
H10A—C10—H10B | 109.5 | C20—C22—H22C | 109.5 |
C9—C10—H10C | 109.5 | H22A—C22—H22C | 109.5 |
H10A—C10—H10C | 109.5 | H22B—C22—H22C | 109.5 |
H10B—C10—H10C | 109.5 | Al1—C23—H23A | 109.5 |
C19—C11—C12 | 121.8 (2) | Al1—C23—H23B | 109.5 |
C19—C11—N1 | 120.3 (2) | H23A—C23—H23B | 109.5 |
C12—C11—N1 | 117.7 (2) | Al1—C23—H23C | 109.5 |
C16—C12—C11 | 117.5 (2) | H23A—C23—H23C | 109.5 |
C16—C12—C13 | 119.9 (3) | H23B—C23—H23C | 109.5 |
C11—C12—C13 | 122.5 (2) | Al1—C24—H24A | 109.5 |
C12—C13—C15 | 114.1 (2) | Al1—C24—H24B | 109.5 |
C12—C13—C14 | 110.2 (3) | H24A—C24—H24B | 109.5 |
C15—C13—C14 | 109.7 (3) | Al1—C24—H24C | 109.5 |
C12—C13—H13 | 107.5 | H24A—C24—H24C | 109.5 |
C15—C13—H13 | 107.5 | H24B—C24—H24C | 109.5 |
C14—C13—H13 | 107.5 | ||
C24—Al1—O1—C1 | −146.8 (2) | C1—C8—C9—N1 | −10.8 (4) |
N1—Al1—O1—C1 | −29.8 (2) | C1—C8—C9—C10 | 168.7 (3) |
C23—Al1—O1—C1 | 83.9 (2) | C9—N1—C11—C19 | 92.0 (3) |
O1—Al1—N1—C9 | 24.7 (2) | Al1—N1—C11—C19 | −88.7 (3) |
C24—Al1—N1—C9 | 139.7 (2) | C9—N1—C11—C12 | −93.7 (3) |
C23—Al1—N1—C9 | −87.0 (2) | Al1—N1—C11—C12 | 85.6 (2) |
O1—Al1—N1—C11 | −154.67 (18) | C19—C11—C12—C16 | 2.0 (4) |
C24—Al1—N1—C11 | −39.7 (2) | N1—C11—C12—C16 | −172.2 (2) |
C23—Al1—N1—C11 | 93.6 (2) | C19—C11—C12—C13 | −174.4 (2) |
Al1—O1—C1—C8 | 18.8 (4) | N1—C11—C12—C13 | 11.4 (4) |
Al1—O1—C1—C2 | −163.72 (17) | C16—C12—C13—C15 | 41.1 (4) |
O1—C1—C2—C7 | −7.2 (4) | C11—C12—C13—C15 | −142.6 (3) |
C8—C1—C2—C7 | 170.2 (3) | C16—C12—C13—C14 | −82.9 (3) |
O1—C1—C2—C3 | 172.3 (3) | C11—C12—C13—C14 | 93.4 (3) |
C8—C1—C2—C3 | −10.3 (4) | C11—C12—C16—C17 | 0.0 (4) |
C7—C2—C3—C4 | −0.6 (4) | C13—C12—C16—C17 | 176.5 (3) |
C1—C2—C3—C4 | 179.8 (3) | C12—C16—C17—C18 | −1.6 (5) |
C2—C3—C4—C5 | −0.2 (5) | C16—C17—C18—C19 | 1.2 (5) |
C3—C4—C5—C6 | 0.9 (5) | C17—C18—C19—C11 | 0.7 (4) |
C4—C5—C6—C7 | −0.8 (5) | C17—C18—C19—C20 | −177.2 (3) |
C3—C2—C7—C6 | 0.8 (4) | C12—C11—C19—C18 | −2.3 (4) |
C1—C2—C7—C6 | −179.7 (3) | N1—C11—C19—C18 | 171.7 (2) |
C5—C6—C7—C2 | −0.1 (5) | C12—C11—C19—C20 | 175.5 (3) |
O1—C1—C8—C9 | 7.3 (4) | N1—C11—C19—C20 | −10.5 (4) |
C2—C1—C8—C9 | −170.0 (2) | C18—C19—C20—C21 | −60.2 (4) |
C11—N1—C9—C8 | 169.6 (2) | C11—C19—C20—C21 | 122.0 (3) |
Al1—N1—C9—C8 | −9.7 (3) | C18—C19—C20—C22 | 62.2 (4) |
C11—N1—C9—C10 | −9.9 (4) | C11—C19—C20—C22 | −115.5 (3) |
Al1—N1—C9—C10 | 170.84 (19) |
D—H···A | D—H | H···A | D···A | D—H···A |
C5—H5···O1i | 0.93 | 2.69 | 3.525 (2) | 151 |
Symmetry code: (i) −x+1, y−1/2, −z+1/2. |
Experimental details
Crystal data | |
Chemical formula | [Al(CH3)2(C22H26NO)] |
Mr | 377.49 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 293 |
a, b, c (Å) | 15.231 (4), 9.994 (3), 15.289 (4) |
β (°) | 102.889 (5) |
V (Å3) | 2268.7 (10) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.10 |
Crystal size (mm) | 0.20 × 0.18 × 0.12 |
Data collection | |
Diffractometer | Bruker SMART CCD area-detector |
Absorption correction | Multi-scan SADABS (Bruker, 1998) |
Tmin, Tmax | 0.973, 0.988 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 12801, 4662, 2308 |
Rint | 0.071 |
(sin θ/λ)max (Å−1) | 0.627 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.062, 0.142, 0.99 |
No. of reflections | 4662 |
No. of parameters | 251 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.18, −0.18 |
Computer programs: SMART (Bruker, 1998), SMART and SAINT (Bruker, 1998), SAINT (Bruker, 1998), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
Al1—O1 | 1.7853 (19) | Al1—N1 | 1.947 (2) |
Al1—C24 | 1.939 (3) | Al1—C23 | 1.949 (3) |
O1—Al1—C24 | 111.00 (13) | O1—Al1—C23 | 108.60 (13) |
O1—Al1—N1 | 94.14 (9) | C24—Al1—C23 | 116.53 (15) |
C24—Al1—N1 | 113.34 (12) | N1—Al1—C23 | 110.90 (13) |
D—H···A | D—H | H···A | D···A | D—H···A |
C5—H5···O1i | 0.93 | 2.685 | 3.525 (2) | 151 |
Symmetry code: (i) −x+1, y−1/2, −z+1/2. |
Acknowledgements
The authors thank Dr Haibin Song for the structural determination. This work is financed by PetroChina (contract No. 09-YK-05-19).
References
Allen, F. H. (2002). Acta Cryst. B58, 380–388. Web of Science CSD CrossRef CAS IUCr Journals Google Scholar
Benito-Garagorri, D., Kirchner, K. & Mereiter, K. (2005). Private communication (refcode NAWKOM). CCDC, Union Road, Cambridge, England. Google Scholar
Bruker (1998). SMART, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
Granum, D. M., Riedel, P. J., Crawford, J. A., Mahle, T. K., Wyss, C. M., Begej, A. K., Arulsamy, N., Pierce, B. S. & Mehn, M. P. (2011). Dalton Trans. 40, 5881–5890. Web of Science CSD CrossRef CAS PubMed Google Scholar
He, X., Yao, Y., Luo, X., Zhang, J., Liu, Y., Zhang, L. & Wu, Q. (2003). Organometallics, 22, 4952–4957. Web of Science CSD CrossRef CAS Google Scholar
Li, X.-F., Li, Y.-G., Li, Y.-S., Chen, Y.-X. & Hu, N.-H. (2005). Organometallics, 24, 2502–2510. Web of Science CSD CrossRef CAS Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
Yu, R.-C., Hung, C.-H., Huang, J.-H., Lee, H.-Y. & Chen, J.-T. (2002). Inorg. Chem. 41, 6450–6455. Web of Science CSD CrossRef PubMed CAS Google Scholar
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 bidentate β-ketoiminate ligand, {[2,6-bis(1-methylethyl)phenyl]imino}pent-2-en-2-olate, is well known in the literature in transition-metal complexes (see Granum, et al., 2011, and references therein) while the phenyl derivative used in the title compound, {[2,6-bis(1-methylethyl)phenyl]imino}-1-phenylbut-1-en-1-olate, is only reported in the Cambridge Structural Database (Allen, 2002) for two Ni complexes (He et al., 2003; Li et al., 2005) and one Pd complex (Benito-Garagorri et al., 2005).
The molecular structure of the title compound, C24H32AlNO, displays a monomer with the Al atom in a distorted tetrahedral environment defined by two methyl groups and the N and O atoms of the chelating ketiminate ligand. (Yu, et al., 2002). The Al—O1, Al1—N1 (Table 1), C1—C8, and C8—C9 bond lengths of 1.7853 (10), 1.947 (2), 1.360 (3) and1.417 (3) Å, respectively, are very similar to those in related aluminium compounds (Yu et al., 2002). The biting angle of the ligand, O1—Al1—N1, is 94.14 (9)°. The backbone of the ligand, O1–C1–C8–C9–N1, is nearly coplanar (r.m.s. deviation = 0.029 Å) and the Al atom significantly deviates from the mean plane by 0.525 (3) Å. In the crystal structure, weak intermolecular C–H···O are observed (Table 2).