

Supporting information
![]() | Crystallographic Information File (CIF) https://doi.org/10.1107/S160053680706477X/bq2047sup1.cif |
![]() | Structure factor file (CIF format) https://doi.org/10.1107/S160053680706477X/bq2047Isup2.hkl |
CCDC reference: 674504
Key indicators
- Single-crystal X-ray study
- T = 299 K
- Mean
(C-C) = 0.005 Å
- Disorder in main residue
- R factor = 0.076
- wR factor = 0.231
- Data-to-parameter ratio = 15.4
checkCIF/PLATON results
No syntax errors found
Alert level A PLAT220_ALERT_2_A Large Non-Solvent C Ueq(max)/Ueq(min) ... 7.96 Ratio
Author Response: It's the esterified group disorder over two sites. |
PLAT222_ALERT_3_A Large Non-Solvent H Ueq(max)/Ueq(min) ... 8.05 Ratio
Author Response: It's the esterified group disorder over two sites. |
PLAT241_ALERT_2_A Check High Ueq as Compared to Neighbors for C16
Author Response: It's the esterified group disorder over two sites. |
PLAT241_ALERT_2_A Check High Ueq as Compared to Neighbors for C28'
Author Response: It's the esterified group disorder over two sites. |
PLAT242_ALERT_2_A Check Low Ueq as Compared to Neighbors for O5
Author Response: It's the esterified group disorder over two sites. |
PLAT242_ALERT_2_A Check Low Ueq as Compared to Neighbors for O8'
Author Response: It's the esterified group disorder over two sites. |
PLAT412_ALERT_2_A Short Intra XH3 .. XHn H16A .. H29F .. 1.44 Ang.
Author Response: It's the esterified group disorder over two sites. |
PLAT412_ALERT_2_A Short Intra XH3 .. XHn H16B .. H29F .. 1.54 Ang.
Author Response: It's the esterified group disorder over two sites. |
Alert level B PLAT230_ALERT_2_B Hirshfeld Test Diff for O5 - C16 .. 14.47 su PLAT230_ALERT_2_B Hirshfeld Test Diff for C16 - C17 .. 9.17 su PLAT413_ALERT_2_B Short Inter XH3 .. XHn H17A .. H29A .. 1.99 Ang. PLAT432_ALERT_2_B Short Inter X...Y Contact O2 .. C17 .. 2.90 Ang.
Alert level C PLAT194_ALERT_1_C Missing _cell_measurement_reflns_used datum .... ? PLAT195_ALERT_1_C Missing _cell_measurement_theta_max datum .... ? PLAT196_ALERT_1_C Missing _cell_measurement_theta_min datum .... ? PLAT220_ALERT_2_C Large Non-Solvent O Ueq(max)/Ueq(min) ... 3.30 Ratio
Author Response: It's the esterified group disorder over two sites. |
PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C15
Author Response: It's the esterified group disorder over two sites. |
PLAT301_ALERT_3_C Main Residue Disorder ......................... 7.00 Perc. PLAT320_ALERT_2_C Check Hybridisation of C16 in Main Residue . ? PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds (x 1000) Ang ... 5 PLAT779_ALERT_2_C Suspect or Irrelevant (Bond) Angle in CIF ...... 34.60 Deg. O8 -C27 -O8' 1.555 1.555 1.555
Alert level G PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 12
8 ALERT level A = In general: serious problem 4 ALERT level B = Potentially serious problem 9 ALERT level C = Check and explain 1 ALERT level G = General alerts; check 3 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 15 ALERT type 2 Indicator that the structure model may be wrong or deficient 4 ALERT type 3 Indicator that the structure quality may be low 0 ALERT type 4 Improvement, methodology, query or suggestion 0 ALERT type 5 Informative message, check
To a solution of 2-(2-formylphenoxy)acetic acid (1.80 g, 10 mmol) in absolute ethanol (40 ml), a suspension of 2,6-dipicolinoyhydrazine in the same solvent (50 ml) was added at 323 K. The mixture was left to react at reflux for 18 h, then the white needle product was filtered, washed with hot ethanol (20 ml portion) three times and dried in vacuum. Crystals suitable for X-ray diffraction were obtained from acetone-methanol (1:1 v/v) over a period of about three weeks, and unexpecting the carboxyl from the 2-(2-formylphenoxy)acetic acid was esterified in the ethanol solvent.
After their location in the difference map, all H-atoms were fixed geometrically at ideal positions and allowed to ride on the parent C or N atoms with C—H = 0.93Å and N—H = 0.86Å and Uiso(H)= 1.2Ueq(C and N). The esterified group is disorder over two sites. So, the site-occupancy factors for the two orientations were refined as 0.905 / 0.095. The SHELX restrains AFIX, FLAT and ISOR were applied.
The tridentate ligands with 2,6-dipicolinoyhydrazone have been intensively studied due to the interesting coordination mode. (Chen et al., 1997; Thompson, 2002; Zhao et al., 2004). We report here the synthesis and crystal structure of a novel tridentate ligand, the title compound (I) (Fig. 1).
The molecular structure contains one pyridine ring and two substitutional benzene rings. The dihedral angles between the pyridine and benzene planes are 6.50 (13)° for C8—C13 and 26.43 (16)° for C20—C25.
The crystal packing is governed by intermolecular hydrogen bonds interactions. Each molecular can serve as donor and acceptor to form the N–H–O hydrogen bonds with two other neighboring molecules, forming chains parallel to the a axis (Fig. 2; Table 1).
For related literature, see: Chen et al. (1997); Thompson (2002); Zhao et al. (2004).
Data collection: SMART (Bruker, 2001); cell refinement: SAINT-Plus (Bruker, 2001); data reduction: SAINT-Plus (Bruker, 2001); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Sheldrick, 2001); software used to prepare material for publication: SHELXTL (Sheldrick, 2001).
C29H29N5O8 | Z = 4 |
Mr = 575.57 | F(000) = 1208 |
Monoclinic, P21/n | Dx = 1.362 Mg m−3 |
Hall symbol: -P 2yn | Mo Kα radiation, λ = 0.71073 Å |
a = 11.5485 (6) Å | µ = 0.10 mm−1 |
b = 21.6606 (11) Å | T = 299 K |
c = 12.3596 (9) Å | Block, colorless |
β = 114.779 (1)° | 0.32 × 0.10 × 0.10 mm |
V = 2807.1 (3) Å3 |
Bruker SMART CCD area-detector diffractometer | 4136 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.032 |
Graphite monochromator | θmax = 27.0°, θmin = 1.9° |
phi and ω scans | h = −14→14 |
23685 measured reflections | k = −27→27 |
6101 independent reflections | l = −15→15 |
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)] = 0.076 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.231 | H-atom parameters constrained |
S = 1.04 | w = 1/[σ2(Fo2) + (0.1307P)2 + 0.5522P] where P = (Fo2 + 2Fc2)/3 |
6101 reflections | (Δ/σ)max < 0.001 |
396 parameters | Δρmax = 0.40 e Å−3 |
12 restraints | Δρmin = −0.52 e Å−3 |
C29H29N5O8 | V = 2807.1 (3) Å3 |
Mr = 575.57 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 11.5485 (6) Å | µ = 0.10 mm−1 |
b = 21.6606 (11) Å | T = 299 K |
c = 12.3596 (9) Å | 0.32 × 0.10 × 0.10 mm |
β = 114.779 (1)° |
Bruker SMART CCD area-detector diffractometer | 4136 reflections with I > 2σ(I) |
23685 measured reflections | Rint = 0.032 |
6101 independent reflections |
R[F2 > 2σ(F2)] = 0.076 | 12 restraints |
wR(F2) = 0.231 | H-atom parameters constrained |
S = 1.04 | Δρmax = 0.40 e Å−3 |
6101 reflections | Δρmin = −0.52 e Å−3 |
396 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) | |
C1 | 0.4448 (2) | −0.07839 (10) | 1.0814 (2) | 0.0440 (5) | |
C2 | 0.3444 (3) | −0.09691 (12) | 1.1079 (2) | 0.0539 (6) | |
H2 | 0.3247 | −0.0755 | 1.1632 | 0.065* | |
C3 | 0.2749 (3) | −0.14779 (13) | 1.0499 (3) | 0.0633 (7) | |
H3 | 0.2074 | −0.1617 | 1.0658 | 0.076* | |
C4 | 0.3065 (3) | −0.17779 (12) | 0.9680 (3) | 0.0605 (7) | |
H4 | 0.2622 | −0.2129 | 0.9291 | 0.073* | |
C5 | 0.4054 (3) | −0.15491 (11) | 0.9445 (2) | 0.0506 (6) | |
C6 | 0.5243 (2) | −0.02429 (11) | 1.1467 (2) | 0.0453 (5) | |
C7 | 0.8231 (2) | 0.02966 (12) | 1.1877 (2) | 0.0497 (6) | |
H7 | 0.8370 | 0.0019 | 1.1370 | 0.060* | |
C8 | 0.9182 (3) | 0.07674 (11) | 1.2480 (2) | 0.0496 (6) | |
C9 | 0.9095 (3) | 0.11453 (14) | 1.3352 (3) | 0.0642 (7) | |
H9 | 0.8419 | 0.1094 | 1.3566 | 0.077* | |
C10 | 0.9998 (3) | 0.15966 (15) | 1.3905 (3) | 0.0721 (8) | |
H10 | 0.9925 | 0.1848 | 1.4484 | 0.087* | |
C11 | 1.1004 (3) | 0.16721 (14) | 1.3596 (2) | 0.0641 (7) | |
H11 | 1.1616 | 0.1973 | 1.3974 | 0.077* | |
C12 | 1.1111 (3) | 0.13062 (13) | 1.2734 (2) | 0.0577 (7) | |
H12 | 1.1789 | 0.1363 | 1.2524 | 0.069* | |
C13 | 1.0217 (2) | 0.08554 (12) | 1.2180 (2) | 0.0499 (6) | |
C14 | 1.1296 (3) | 0.05037 (14) | 1.1008 (3) | 0.0640 (7) | |
H14A | 1.1350 | 0.0124 | 1.0615 | 0.077* | |
H14B | 1.2078 | 0.0546 | 1.1727 | 0.077* | |
C15 | 1.1167 (3) | 0.10434 (17) | 1.0195 (3) | 0.0712 (8) | |
C16 | 1.1906 (13) | 0.1507 (5) | 0.8951 (12) | 0.351 (9) | |
H16A | 1.0988 | 0.1557 | 0.8546 | 0.421* | |
H16B | 1.2167 | 0.1310 | 0.8384 | 0.421* | |
C17 | 1.2435 (8) | 0.2131 (3) | 0.9119 (7) | 0.170 (3) | |
H17A | 1.3109 | 0.2167 | 0.9905 | 0.255* | |
H17B | 1.1777 | 0.2425 | 0.9025 | 0.255* | |
H17C | 1.2766 | 0.2211 | 0.8538 | 0.255* | |
C18 | 0.4322 (3) | −0.18466 (12) | 0.8482 (3) | 0.0622 (7) | |
C19 | 0.5350 (3) | −0.12858 (14) | 0.6412 (3) | 0.0598 (7) | |
H19 | 0.5493 | −0.0881 | 0.6690 | 0.072* | |
C20 | 0.5563 (3) | −0.14547 (14) | 0.5363 (2) | 0.0620 (7) | |
C21 | 0.5237 (3) | −0.20391 (16) | 0.4848 (3) | 0.0759 (9) | |
H21 | 0.4880 | −0.2327 | 0.5177 | 0.091* | |
C22 | 0.5437 (4) | −0.21969 (19) | 0.3858 (3) | 0.0829 (10) | |
H22 | 0.5205 | −0.2586 | 0.3517 | 0.100* | |
C23 | 0.5977 (4) | −0.17794 (19) | 0.3382 (3) | 0.0875 (12) | |
H23 | 0.6115 | −0.1887 | 0.2718 | 0.105* | |
C24 | 0.6317 (4) | −0.12035 (17) | 0.3872 (3) | 0.0819 (10) | |
H24 | 0.6685 | −0.0923 | 0.3540 | 0.098* | |
C25 | 0.6114 (3) | −0.10395 (14) | 0.4863 (2) | 0.0665 (8) | |
C26 | 0.7136 (5) | −0.00699 (17) | 0.5070 (3) | 0.0916 (12) | |
H26A | 0.6602 | 0.0095 | 0.4288 | 0.110* | |
H26B | 0.7864 | −0.0274 | 0.5029 | 0.110* | |
C27 | 0.7567 (4) | 0.04350 (17) | 0.5975 (3) | 0.0922 (12) | |
O5 | 1.2125 (3) | 0.10572 (13) | 0.9880 (3) | 0.0981 (9) | |
C28 | 0.8947 (11) | 0.1314 (4) | 0.6564 (9) | 0.231 (8) | 0.905 (13) |
H28A | 0.9670 | 0.1425 | 0.6399 | 0.278* | 0.905 (13) |
H28B | 0.9264 | 0.1098 | 0.7320 | 0.278* | 0.905 (13) |
C29 | 0.8259 (13) | 0.1885 (5) | 0.6639 (14) | 0.306 (9) | 0.905 (13) |
H29A | 0.8077 | 0.2135 | 0.5945 | 0.459* | 0.905 (13) |
H29B | 0.8784 | 0.2114 | 0.7339 | 0.459* | 0.905 (13) |
H29C | 0.7476 | 0.1774 | 0.6683 | 0.459* | 0.905 (13) |
O8 | 0.8081 (10) | 0.0907 (3) | 0.5612 (5) | 0.155 (3) | 0.905 (13) |
O8' | 0.8681 (14) | 0.0661 (10) | 0.589 (2) | 0.047 (7)* | 0.095 (13) |
C28' | 0.896 (5) | 0.1302 (12) | 0.605 (10) | 0.23 (7)* | 0.095 (13) |
H28C | 0.8669 | 0.1504 | 0.6593 | 0.277* | 0.095 (13) |
H28D | 0.8721 | 0.1532 | 0.5319 | 0.277* | 0.095 (13) |
C29' | 1.038 (3) | 0.111 (6) | 0.664 (13) | 0.30 (7)* | 0.095 (13) |
H29D | 1.0792 | 0.1245 | 0.6148 | 0.453* | 0.095 (13) |
H29E | 1.0438 | 0.0668 | 0.6715 | 0.453* | 0.095 (13) |
H29F | 1.0786 | 0.1295 | 0.7411 | 0.453* | 0.095 (13) |
N1 | 0.47564 (19) | −0.10620 (9) | 1.00079 (17) | 0.0458 (5) | |
N2 | 0.6383 (2) | −0.02049 (9) | 1.14131 (17) | 0.0475 (5) | |
H2A | 0.6588 | −0.0466 | 1.0999 | 0.057* | |
N3 | 0.7217 (2) | 0.02594 (9) | 1.20320 (17) | 0.0485 (5) | |
N4 | 0.4772 (2) | −0.14655 (10) | 0.7900 (2) | 0.0606 (6) | |
H4A | 0.4935 | −0.1087 | 0.8119 | 0.073* | |
N5 | 0.4975 (2) | −0.16823 (11) | 0.6943 (2) | 0.0645 (6) | |
O1 | 0.48826 (19) | 0.01162 (8) | 1.20160 (18) | 0.0624 (5) | |
O2 | 0.4086 (3) | −0.23957 (10) | 0.8248 (2) | 0.0996 (9) | |
O3 | 1.02504 (19) | 0.04682 (9) | 1.13173 (18) | 0.0656 (5) | |
O4 | 1.0338 (3) | 0.14056 (15) | 0.9878 (3) | 0.1093 (10) | |
O6 | 0.6451 (3) | −0.04805 (10) | 0.5434 (2) | 0.0817 (7) | |
O7 | 0.7445 (4) | 0.04619 (14) | 0.6864 (3) | 0.1194 (11) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0488 (14) | 0.0403 (11) | 0.0461 (12) | 0.0015 (10) | 0.0229 (11) | 0.0034 (9) |
C2 | 0.0552 (16) | 0.0564 (14) | 0.0615 (15) | 0.0004 (12) | 0.0357 (13) | 0.0032 (12) |
C3 | 0.0571 (17) | 0.0625 (16) | 0.0783 (18) | −0.0119 (13) | 0.0362 (15) | 0.0049 (14) |
C4 | 0.0641 (18) | 0.0484 (14) | 0.0702 (17) | −0.0156 (12) | 0.0294 (15) | −0.0037 (13) |
C5 | 0.0544 (15) | 0.0410 (12) | 0.0551 (14) | −0.0033 (11) | 0.0218 (12) | −0.0011 (10) |
C6 | 0.0559 (15) | 0.0435 (12) | 0.0435 (11) | −0.0011 (11) | 0.0276 (11) | 0.0004 (10) |
C7 | 0.0554 (16) | 0.0532 (13) | 0.0437 (12) | −0.0045 (11) | 0.0241 (12) | −0.0040 (10) |
C8 | 0.0541 (16) | 0.0523 (13) | 0.0404 (12) | −0.0062 (11) | 0.0179 (11) | −0.0022 (10) |
C9 | 0.0680 (19) | 0.0727 (18) | 0.0581 (15) | −0.0111 (15) | 0.0326 (14) | −0.0141 (14) |
C10 | 0.081 (2) | 0.0769 (19) | 0.0575 (16) | −0.0147 (16) | 0.0282 (16) | −0.0250 (15) |
C11 | 0.0633 (19) | 0.0597 (16) | 0.0570 (15) | −0.0138 (13) | 0.0132 (14) | −0.0102 (13) |
C12 | 0.0525 (16) | 0.0636 (16) | 0.0526 (14) | −0.0087 (13) | 0.0175 (12) | −0.0044 (12) |
C13 | 0.0470 (15) | 0.0558 (14) | 0.0430 (12) | −0.0035 (11) | 0.0150 (11) | −0.0027 (11) |
C14 | 0.0549 (17) | 0.0726 (18) | 0.0733 (18) | −0.0041 (14) | 0.0354 (15) | −0.0145 (15) |
C15 | 0.067 (2) | 0.087 (2) | 0.0686 (18) | −0.0041 (18) | 0.0376 (17) | −0.0082 (17) |
C16 | 0.193 (11) | 0.44 (3) | 0.43 (3) | −0.015 (16) | 0.141 (14) | 0.00 (2) |
C17 | 0.174 (7) | 0.146 (5) | 0.196 (7) | 0.031 (5) | 0.084 (6) | 0.079 (5) |
C18 | 0.074 (2) | 0.0473 (14) | 0.0674 (17) | −0.0043 (13) | 0.0313 (15) | −0.0132 (13) |
C19 | 0.0563 (17) | 0.0623 (16) | 0.0621 (15) | −0.0010 (13) | 0.0260 (14) | −0.0172 (13) |
C20 | 0.0576 (17) | 0.0735 (18) | 0.0513 (14) | 0.0163 (14) | 0.0194 (13) | −0.0088 (13) |
C21 | 0.068 (2) | 0.086 (2) | 0.0734 (19) | 0.0007 (16) | 0.0289 (16) | −0.0301 (17) |
C22 | 0.079 (2) | 0.094 (2) | 0.0650 (19) | 0.0171 (19) | 0.0195 (18) | −0.0254 (18) |
C23 | 0.107 (3) | 0.106 (3) | 0.0428 (15) | 0.044 (2) | 0.0248 (17) | −0.0030 (17) |
C24 | 0.112 (3) | 0.086 (2) | 0.0483 (15) | 0.035 (2) | 0.0341 (17) | 0.0146 (16) |
C25 | 0.083 (2) | 0.0669 (17) | 0.0476 (14) | 0.0270 (16) | 0.0255 (14) | 0.0058 (13) |
C26 | 0.147 (4) | 0.081 (2) | 0.0652 (19) | 0.010 (2) | 0.063 (2) | 0.0169 (17) |
C27 | 0.137 (4) | 0.083 (2) | 0.077 (2) | 0.000 (2) | 0.065 (2) | 0.0156 (18) |
O5 | 0.0941 (19) | 0.0998 (18) | 0.129 (2) | 0.0022 (15) | 0.0749 (19) | 0.0165 (16) |
C28 | 0.39 (2) | 0.184 (9) | 0.194 (9) | −0.151 (12) | 0.190 (13) | −0.057 (8) |
C29 | 0.231 (14) | 0.303 (19) | 0.37 (2) | 0.035 (14) | 0.113 (15) | 0.096 (17) |
O8 | 0.246 (7) | 0.139 (4) | 0.126 (4) | −0.065 (5) | 0.123 (5) | −0.012 (3) |
N1 | 0.0486 (12) | 0.0415 (10) | 0.0518 (11) | −0.0030 (9) | 0.0254 (10) | −0.0039 (9) |
N2 | 0.0548 (13) | 0.0465 (10) | 0.0472 (10) | −0.0079 (9) | 0.0272 (10) | −0.0092 (9) |
N3 | 0.0526 (13) | 0.0501 (11) | 0.0452 (10) | −0.0082 (9) | 0.0230 (9) | −0.0063 (9) |
N4 | 0.0723 (16) | 0.0505 (12) | 0.0698 (14) | −0.0116 (11) | 0.0404 (13) | −0.0221 (11) |
N5 | 0.0727 (17) | 0.0625 (14) | 0.0621 (13) | −0.0029 (12) | 0.0319 (13) | −0.0205 (12) |
O1 | 0.0775 (13) | 0.0528 (10) | 0.0756 (12) | −0.0095 (9) | 0.0504 (11) | −0.0167 (9) |
O2 | 0.162 (3) | 0.0512 (12) | 0.1062 (18) | −0.0229 (14) | 0.0769 (19) | −0.0250 (12) |
O3 | 0.0621 (12) | 0.0755 (12) | 0.0701 (12) | −0.0208 (10) | 0.0384 (10) | −0.0258 (10) |
O4 | 0.108 (2) | 0.129 (2) | 0.109 (2) | 0.0452 (19) | 0.0635 (18) | 0.0369 (18) |
O6 | 0.126 (2) | 0.0663 (13) | 0.0724 (13) | 0.0102 (13) | 0.0610 (14) | 0.0051 (11) |
O7 | 0.193 (3) | 0.106 (2) | 0.0978 (19) | −0.028 (2) | 0.099 (2) | −0.0171 (15) |
C1—N1 | 1.334 (3) | C18—N4 | 1.336 (4) |
C1—C2 | 1.389 (3) | C19—N5 | 1.263 (4) |
C1—C6 | 1.498 (3) | C19—C20 | 1.463 (4) |
C2—C3 | 1.375 (4) | C19—H19 | 0.9300 |
C2—H2 | 0.9300 | C20—C25 | 1.388 (4) |
C3—C4 | 1.374 (4) | C20—C21 | 1.396 (4) |
C3—H3 | 0.9300 | C21—C22 | 1.380 (4) |
C4—C5 | 1.383 (4) | C21—H21 | 0.9300 |
C4—H4 | 0.9300 | C22—C23 | 1.363 (6) |
C5—N1 | 1.335 (3) | C22—H22 | 0.9300 |
C5—C18 | 1.496 (4) | C23—C24 | 1.370 (5) |
C6—O1 | 1.215 (3) | C23—H23 | 0.9300 |
C6—N2 | 1.348 (3) | C24—C25 | 1.386 (4) |
C7—N3 | 1.267 (3) | C24—H24 | 0.9300 |
C7—C8 | 1.455 (4) | C25—O6 | 1.373 (4) |
C7—H7 | 0.9300 | C26—O6 | 1.385 (4) |
C8—C9 | 1.390 (4) | C26—C27 | 1.493 (5) |
C8—C13 | 1.404 (4) | C26—H26A | 0.9700 |
C9—C10 | 1.383 (4) | C26—H26B | 0.9700 |
C9—H9 | 0.9300 | C27—O7 | 1.167 (4) |
C10—C11 | 1.377 (4) | C27—O8 | 1.349 (5) |
C10—H10 | 0.9300 | C27—O8' | 1.419 (10) |
C11—C12 | 1.375 (4) | C28—O8 | 1.475 (7) |
C11—H11 | 0.9300 | C28—C29 | 1.494 (9) |
C12—C13 | 1.377 (4) | C28—H28A | 0.9700 |
C12—H12 | 0.9300 | C28—H28B | 0.9700 |
C13—O3 | 1.370 (3) | C29—H29A | 0.9600 |
C14—O3 | 1.413 (3) | C29—H29B | 0.9600 |
C14—C15 | 1.508 (5) | C29—H29C | 0.9600 |
C14—H14A | 0.9700 | O8'—C28' | 1.420 (10) |
C14—H14B | 0.9700 | C28'—C29' | 1.540 (11) |
C15—O4 | 1.171 (4) | C28'—H28C | 0.9700 |
C15—O5 | 1.318 (4) | C28'—H28D | 0.9700 |
C16—O5 | 1.447 (9) | C29'—H29D | 0.9600 |
C16—C17 | 1.460 (9) | C29'—H29E | 0.9600 |
C16—H16A | 0.9700 | C29'—H29F | 0.9600 |
C16—H16B | 0.9700 | N2—N3 | 1.381 (3) |
C17—H17A | 0.9600 | N2—H2A | 0.8600 |
C17—H17B | 0.9600 | N4—N5 | 1.380 (3) |
C17—H17C | 0.9600 | N4—H4A | 0.8600 |
C18—O2 | 1.228 (3) | ||
N1—C1—C2 | 123.8 (2) | N5—C19—H19 | 119.6 |
N1—C1—C6 | 117.4 (2) | C20—C19—H19 | 119.6 |
C2—C1—C6 | 118.9 (2) | C25—C20—C21 | 118.1 (3) |
C3—C2—C1 | 118.1 (2) | C25—C20—C19 | 120.7 (3) |
C3—C2—H2 | 120.9 | C21—C20—C19 | 121.2 (3) |
C1—C2—H2 | 120.9 | C22—C21—C20 | 121.1 (4) |
C4—C3—C2 | 119.0 (2) | C22—C21—H21 | 119.5 |
C4—C3—H3 | 120.5 | C20—C21—H21 | 119.5 |
C2—C3—H3 | 120.5 | C23—C22—C21 | 119.6 (3) |
C3—C4—C5 | 118.9 (2) | C23—C22—H22 | 120.2 |
C3—C4—H4 | 120.6 | C21—C22—H22 | 120.2 |
C5—C4—H4 | 120.6 | C22—C23—C24 | 120.8 (3) |
N1—C5—C4 | 123.3 (2) | C22—C23—H23 | 119.6 |
N1—C5—C18 | 118.1 (2) | C24—C23—H23 | 119.6 |
C4—C5—C18 | 118.5 (2) | C23—C24—C25 | 120.0 (4) |
O1—C6—N2 | 123.9 (2) | C23—C24—H24 | 120.0 |
O1—C6—C1 | 121.7 (2) | C25—C24—H24 | 120.0 |
N2—C6—C1 | 114.32 (19) | O6—C25—C24 | 124.3 (3) |
N3—C7—C8 | 121.0 (2) | O6—C25—C20 | 115.2 (2) |
N3—C7—H7 | 119.5 | C24—C25—C20 | 120.5 (3) |
C8—C7—H7 | 119.5 | O6—C26—C27 | 106.5 (3) |
C9—C8—C13 | 118.1 (2) | O6—C26—H26A | 110.4 |
C9—C8—C7 | 121.7 (2) | C27—C26—H26A | 110.4 |
C13—C8—C7 | 120.2 (2) | O6—C26—H26B | 110.4 |
C10—C9—C8 | 121.0 (3) | C27—C26—H26B | 110.4 |
C10—C9—H9 | 119.5 | H26A—C26—H26B | 108.6 |
C8—C9—H9 | 119.5 | O7—C27—O8 | 121.3 (4) |
C11—C10—C9 | 119.7 (3) | O7—C27—O8' | 121.4 (10) |
C11—C10—H10 | 120.2 | O8—C27—O8' | 34.6 (7) |
C9—C10—H10 | 120.2 | O7—C27—C26 | 127.5 (3) |
C12—C11—C10 | 120.5 (3) | O8—C27—C26 | 111.2 (3) |
C12—C11—H11 | 119.7 | O8'—C27—C26 | 103.2 (10) |
C10—C11—H11 | 119.7 | C15—O5—C16 | 111.2 (6) |
C11—C12—C13 | 120.1 (3) | O8—C28—C29 | 110.2 (9) |
C11—C12—H12 | 120.0 | O8—C28—H28A | 109.6 |
C13—C12—H12 | 120.0 | C29—C28—H28A | 109.6 |
O3—C13—C12 | 124.1 (2) | O8—C28—H28B | 109.6 |
O3—C13—C8 | 115.3 (2) | C29—C28—H28B | 109.6 |
C12—C13—C8 | 120.6 (2) | H28A—C28—H28B | 108.1 |
O3—C14—C15 | 111.4 (3) | C27—O8—C28 | 115.7 (5) |
O3—C14—H14A | 109.3 | C27—O8'—C28' | 119.3 (13) |
C15—C14—H14A | 109.3 | O8'—C28'—C29' | 86 (2) |
O3—C14—H14B | 109.3 | O8'—C28'—H28C | 114.2 |
C15—C14—H14B | 109.3 | C29'—C28'—H28C | 114.2 |
H14A—C14—H14B | 108.0 | O8'—C28'—H28D | 114.2 |
O4—C15—O5 | 123.8 (3) | C29'—C28'—H28D | 114.2 |
O4—C15—C14 | 125.6 (3) | H28C—C28'—H28D | 111.4 |
O5—C15—C14 | 110.7 (3) | C28'—C29'—H29D | 109.5 |
O5—C16—C17 | 125.9 (10) | C28'—C29'—H29E | 109.5 |
O5—C16—H16A | 105.8 | H29D—C29'—H29E | 109.5 |
C17—C16—H16A | 105.8 | C28'—C29'—H29F | 109.5 |
O5—C16—H16B | 105.8 | H29D—C29'—H29F | 109.5 |
C17—C16—H16B | 105.8 | H29E—C29'—H29F | 109.5 |
H16A—C16—H16B | 106.2 | C1—N1—C5 | 116.9 (2) |
C16—C17—H17A | 109.5 | C6—N2—N3 | 119.08 (19) |
C16—C17—H17B | 109.5 | C6—N2—H2A | 120.5 |
H17A—C17—H17B | 109.5 | N3—N2—H2A | 120.5 |
C16—C17—H17C | 109.5 | C7—N3—N2 | 115.9 (2) |
H17A—C17—H17C | 109.5 | C18—N4—N5 | 119.7 (2) |
H17B—C17—H17C | 109.5 | C18—N4—H4A | 120.1 |
O2—C18—N4 | 124.7 (3) | N5—N4—H4A | 120.1 |
O2—C18—C5 | 120.4 (3) | C19—N5—N4 | 115.6 (2) |
N4—C18—C5 | 114.8 (2) | C13—O3—C14 | 118.9 (2) |
N5—C19—C20 | 120.8 (3) | C25—O6—C26 | 118.5 (2) |
N1—C1—C2—C3 | 1.8 (4) | C23—C24—C25—C20 | −0.2 (5) |
C6—C1—C2—C3 | −178.0 (2) | C21—C20—C25—O6 | −177.9 (3) |
C1—C2—C3—C4 | −0.5 (4) | C19—C20—C25—O6 | 1.1 (4) |
C2—C3—C4—C5 | −1.6 (4) | C21—C20—C25—C24 | 0.7 (4) |
C3—C4—C5—N1 | 2.7 (4) | C19—C20—C25—C24 | 179.7 (3) |
C3—C4—C5—C18 | −175.0 (3) | O6—C26—C27—O7 | 5.4 (7) |
N1—C1—C6—O1 | 163.9 (2) | O6—C26—C27—O8 | −170.8 (6) |
C2—C1—C6—O1 | −16.3 (4) | O6—C26—C27—O8' | 153.9 (10) |
N1—C1—C6—N2 | −17.8 (3) | O4—C15—O5—C16 | −9.6 (8) |
C2—C1—C6—N2 | 162.0 (2) | C14—C15—O5—C16 | 170.5 (6) |
N3—C7—C8—C9 | 7.8 (4) | C17—C16—O5—C15 | 99.1 (12) |
N3—C7—C8—C13 | −171.5 (2) | O7—C27—O8—C28 | 25.2 (11) |
C13—C8—C9—C10 | 0.2 (4) | O8'—C27—O8—C28 | −75.9 (19) |
C7—C8—C9—C10 | −179.1 (3) | C26—C27—O8—C28 | −158.4 (7) |
C8—C9—C10—C11 | −0.4 (5) | C29—C28—O8—C27 | −99.3 (11) |
C9—C10—C11—C12 | 0.6 (5) | O7—C27—O8'—C28' | −64 (6) |
C10—C11—C12—C13 | −0.7 (4) | O8—C27—O8'—C28' | 37 (5) |
C11—C12—C13—O3 | −179.7 (3) | C26—C27—O8'—C28' | 145 (5) |
C11—C12—C13—C8 | 0.5 (4) | C27—O8'—C28'—C29' | 146 (7) |
C9—C8—C13—O3 | 179.9 (2) | C2—C1—N1—C5 | −0.8 (4) |
C7—C8—C13—O3 | −0.8 (4) | C6—C1—N1—C5 | 179.0 (2) |
C9—C8—C13—C12 | −0.3 (4) | C4—C5—N1—C1 | −1.5 (4) |
C7—C8—C13—C12 | 179.0 (2) | C18—C5—N1—C1 | 176.2 (2) |
O3—C14—C15—O4 | 2.4 (5) | O1—C6—N2—N3 | 1.3 (4) |
O3—C14—C15—O5 | −177.7 (3) | C1—C6—N2—N3 | −176.90 (19) |
N1—C5—C18—O2 | 152.8 (3) | C8—C7—N3—N2 | 179.9 (2) |
C4—C5—C18—O2 | −29.3 (4) | C6—N2—N3—C7 | −175.1 (2) |
N1—C5—C18—N4 | −29.8 (4) | O2—C18—N4—N5 | 1.4 (5) |
C4—C5—C18—N4 | 148.0 (3) | C5—C18—N4—N5 | −175.8 (2) |
N5—C19—C20—C25 | −172.5 (3) | C20—C19—N5—N4 | −178.2 (2) |
N5—C19—C20—C21 | 6.6 (5) | C18—N4—N5—C19 | 177.1 (3) |
C25—C20—C21—C22 | −1.0 (5) | C12—C13—O3—C14 | 3.5 (4) |
C19—C20—C21—C22 | 179.9 (3) | C8—C13—O3—C14 | −176.6 (2) |
C20—C21—C22—C23 | 0.9 (5) | C15—C14—O3—C13 | −78.7 (3) |
C21—C22—C23—C24 | −0.3 (5) | C24—C25—O6—C26 | −5.8 (5) |
C22—C23—C24—C25 | 0.0 (5) | C20—C25—O6—C26 | 172.7 (3) |
C23—C24—C25—O6 | 178.3 (3) | C27—C26—O6—C25 | −169.8 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2A···O5i | 0.86 | 2.53 | 3.353 (3) | 161 |
C2—H2···O7ii | 0.93 | 2.40 | 3.304 (4) | 165 |
C17—H17C···O2iii | 0.96 | 2.49 | 2.896 (8) | 105 |
N2—H2A···N1 | 0.86 | 2.34 | 2.694 (3) | 105 |
Symmetry codes: (i) −x+2, −y, −z+2; (ii) −x+1, −y, −z+2; (iii) −x+3/2, y+1/2, −z+3/2. |
Experimental details
Crystal data | |
Chemical formula | C29H29N5O8 |
Mr | 575.57 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 299 |
a, b, c (Å) | 11.5485 (6), 21.6606 (11), 12.3596 (9) |
β (°) | 114.779 (1) |
V (Å3) | 2807.1 (3) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.10 |
Crystal size (mm) | 0.32 × 0.10 × 0.10 |
Data collection | |
Diffractometer | Bruker SMART CCD area-detector |
Absorption correction | – |
No. of measured, independent and observed [I > 2σ(I)] reflections | 23685, 6101, 4136 |
Rint | 0.032 |
(sin θ/λ)max (Å−1) | 0.639 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.076, 0.231, 1.04 |
No. of reflections | 6101 |
No. of parameters | 396 |
No. of restraints | 12 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.40, −0.52 |
Computer programs: SMART (Bruker, 2001), SAINT-Plus (Bruker, 2001), SHELXS97 (Sheldrick, 1997), SHELXL97 (Sheldrick, 1997), SHELXTL (Sheldrick, 2001).
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2A···O5i | 0.86 | 2.53 | 3.353 (3) | 161.4 |
C2—H2···O7ii | 0.93 | 2.40 | 3.304 (4) | 165.1 |
C17—H17C···O2iii | 0.96 | 2.49 | 2.896 (8) | 105.1 |
N2—H2A···N1 | 0.86 | 2.34 | 2.694 (3) | 105.1 |
Symmetry codes: (i) −x+2, −y, −z+2; (ii) −x+1, −y, −z+2; (iii) −x+3/2, y+1/2, −z+3/2. |
The tridentate ligands with 2,6-dipicolinoyhydrazone have been intensively studied due to the interesting coordination mode. (Chen et al., 1997; Thompson, 2002; Zhao et al., 2004). We report here the synthesis and crystal structure of a novel tridentate ligand, the title compound (I) (Fig. 1).
The molecular structure contains one pyridine ring and two substitutional benzene rings. The dihedral angles between the pyridine and benzene planes are 6.50 (13)° for C8—C13 and 26.43 (16)° for C20—C25.
The crystal packing is governed by intermolecular hydrogen bonds interactions. Each molecular can serve as donor and acceptor to form the N–H–O hydrogen bonds with two other neighboring molecules, forming chains parallel to the a axis (Fig. 2; Table 1).