{4,4′-Dimethyl-2,2′-[2,2-dimethyl­propane-1,3-diylbis(nitrilo­methanylyl­idene)]diphenolato}copper(II) monohydrate

Kargar, H.; Kia, R.; Ganji, F.; Mirkhani, V.

doi:10.1107/S1600536812034502

metal-organic compounds

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ISSN: 2056-9890

Volume 68| Part 9| September 2012| Page m1172

doi:10.1107/S1600536812034502

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{4,4′-Dimethyl-2,2′-[2,2-dimethylpropane-1,3-diylbis(nitrilomethanylylidene)]diphenolato}copper(II) monohydrate

Hadi Kargar,^a ^* Reza Kia,^b Fatemeh Ganji ^a and Valiollah Mirkhani ^c

^aDepartment of Chemistry, Payame Noor University, PO Box 19395-3697 Tehran, I. R. of IRAN, ^bDepartment of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran, and ^cDepartment of Chemistry, University of Isfahan, 81746-73441 Isfahan, Iran
^*Correspondence e-mail: h.kargar@pnu.ac.ir

(Received 23 July 2012; accepted 2 August 2012; online 11 August 2012)

The asymmetric unit of the title compound, [Cu(C₂₁H₂₄N₂O₂)]·H₂O, comprises half of a Schiff base complex and half of a water molecule. The whole compound is generated by crystallographic twofold rotation symmetry. The geometry around the Cu^II atom, located on a twofold axis, is distorted square-planar, which is supported by the N₂O₂ donor atoms of the coordinating Schiff base ligand. The dihedral angle between the symmetry-related benzene rings is 47.5 (4)°. In the crystal, the water molecule that is hydrogen bonded to the coordinated O atoms links the molecules via O—H⋯O interactions into chains parallel to [001]. The crystal structure is further stabilized by C—H⋯π interactions, and by π–π interactions involving inversion-related chelate rings [centroid–centroid distance = 3.480 (4) Å].

Related literature

For applications of Schiff bases in coordination chemistry, see: Granovski et al. (1993 ); Blower (1998 ). For related structures, see: Ghaemi et al. (2011 ); Kargar et al. (2011 , 2012 ). For standard bond lengths, see: Allen et al. (1987 ).

Experimental

Crystal data

[Cu(C₂₁H₂₄N₂O₂)]·H₂O
M_r = 417.98
Monoclinic, C 2/c
a = 13.353 (5) Å
b = 15.986 (5) Å
c = 10.023 (5) Å
β = 104.696 (5)°
V = 2069.5 (14) Å³
Z = 4
Mo Kα radiation
μ = 1.08 mm⁻¹
T = 296 K
0.11 × 0.08 × 0.05 mm

Data collection

Bruker SMART APEXII CCD area-detector diffractometer
Absorption correction: multi-scan (SADABS; Bruker, 2005 ) T_min = 0.891, T_max = 0.948
4967 measured reflections
1779 independent reflections
1053 reflections with I > 2σ(I)
R_int = 0.101

Refinement

R[F² > 2σ(F²)] = 0.084
wR(F²) = 0.209
S = 0.95
1779 reflections
125 parameters
H-atom parameters constrained
Δρ_max = 1.03 e Å⁻³
Δρ_min = −0.96 e Å⁻³

Table 1
Hydrogen-bond geometry (Å, °)

Cg1 is the centroid of the C1–C6 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1W1⋯O1	0.85	2.46	2.783 (7)	103
O1W—H1W1⋯O1ⁱ	0.85	2.44	2.783 (7)	105
C3—H3⋯O1Wⁱⁱ	0.93	2.55	3.48 (1)	173
C8—H8B⋯Cg1ⁱⁱⁱ	0.97	2.83	3.693 (9)	148
C11—H11B⋯Cg1^iv	0.96	2.98	3.850 (12)	151
Symmetry codes: (i) $[-x+1, y, -z-{\script{1\over 2}}]$ ; (ii) $[-x+{\script{1\over 2}}, -y-{\script{1\over 2}}, -z-1]$ ; (iii) $[x+{\script{3\over 2}}, y+{\script{1\over 2}}, z-1]$ ; (iv) $[-x+{\script{1\over 2}}, y+{\script{1\over 2}}, -z-{\script{1\over 2}}]$ .

Data collection: APEX2 (Bruker, 2005); cell refinement: SAINT (Bruker, 2005); 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 and PLATON (Spek, 2009 ).

Supporting information

Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536812034502/su2488sup1.cif

Structure factors: contains datablock I. DOI: 10.1107/S1600536812034502/su2488Isup2.hkl

checkCIF report

Comment top

Schiff base complexes are one of the most important stereochemical models in transition metal coordination chemistry, with the ease of preparation and structural variations (Granovski et al., 1993; Blower, 1998). In continuation of our work on the structural analysis of Schiff base metal complexes (Kargar et al., 2012; Kargar et al., 2011; Ghaemi, et al., (2011), we synthesized the title compound and report herein on its crystal structure.

The asymmetric unit of the title compound, Fig. 1, comprises half of a Schiff base complex and half a water molecule. The Cu1 and C9 atoms of the complex and the O atom of the water molecule lie on a two-fold rotation axis which generates the whole complex. The bond lengths (Allen et al., 1987) and angles are within the normal ranges and are comparable to those reported for related structures (Kargar et al., 2012; Kargar et al., 2011; Ghaemi et al., (2011). The geometry around the Cu^II atom is distorted square-planar which is supported by the N₂O₂ donor atoms of the coordinated Schiff base ligand. The dihedral angle between the substituted benzene rings is 47.5 (4)°.

In the crystal, the water molecule that is hydrogen bonded to the coordinated O atoms, O1, mediates linking of molecules by C—H···O interactions (Table 1 and Fig. 2). The crystal structure is further stabilized by C-H···π interactions (Table 1), and by π-π interactions involving inversion related chelate rings [Cg···Cgⁱ = 3.480 (4) Å; Cg is the centroid of the Cu1/O1/C1/C6/C7/N1 ring; symmetry code: (i) 1 - x, -y, -1 - z].

Related literature top

For applications of Schiff bases in coordination chemistry, see: Granovski et al. (1993); Blower (1998). For related structures, see: Ghaemi et al. (2011); Kargar et al. (2011, 2012). For standard bond lengths, see: Allen et al. (1987).

Experimental top

The title compound was synthesized by adding 5-methyl-salicylaldehyde-2,2-dimethyl-1,3-propanediamine (2 mmol) to a solution of CuCl₂. 4H₂O (2.1 mmol) in ethanol (30 ml). The mixture was refluxed with stirring for 30 min. The resultant solution was filtered. Dark-green single crystals of the title compound suitable for X-ray structure determination were recrystallized from ethanol by slow evaporation of the solvents at room temperature over several days.

Computing details top

Data collection: APEX2 (Bruker, 2005); cell refinement: SAINT (Bruker, 2005); data reduction: SAINT (Bruker, 2005); 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) and PLATON (Spek, 2009).

Figures top

	Fig. 1. A view of the molecular structure of the title compound, with the atom numbering. The displacement ellipsoids are drawn at the 40% probability level. The O-H···O hydrogen bonds are shown as dashed lines (see Table 1 for details; symmetry code for suffix A = -x+1, y, -z-1/2).
	Fig. 2. A view along the b axis of the crystal packing of the title compound showing the C—H···O interactions as dashed lines [see Table 1 for details; only the H atoms involved in these interactions are shown].

{4,4'-Dimethyl-2,2'-[2,2-dimethylpropane-1,3- diylbis(nitrilomethanylylidene)]diphenolato}copper(II) monohydrate top

Crystal data top

[Cu(C₂₁H₂₄N₂O₂)]·H₂O	F(000) = 876
M_r = 417.98	D_x = 1.342 Mg m⁻³
Monoclinic, C2/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -C 2yc	Cell parameters from 512 reflections
a = 13.353 (5) Å	θ = 2.5–27.4°
b = 15.986 (5) Å	µ = 1.08 mm⁻¹
c = 10.023 (5) Å	T = 296 K
β = 104.696 (5)°	Block, dark-green
V = 2069.5 (14) Å³	0.11 × 0.08 × 0.05 mm
Z = 4

Data collection top

Bruker SMART APEXII CCD area-detector diffractometer	1779 independent reflections
Radiation source: fine-focus sealed tube	1053 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.101
ϕ and ω scans	θ_max = 25.0°, θ_min = 2.0°
Absorption correction: multi-scan (SADABS; Bruker, 2005)	h = −15→11
T_min = 0.891, T_max = 0.948	k = −18→18
4967 measured reflections	l = −10→11

Refinement top

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)] = 0.084	Hydrogen site location: inferred from neighbouring sites
wR(F²) = 0.209	H-atom parameters constrained
S = 0.95	w = 1/[σ²(F_o²) + (0.0775P)²] where P = (F_o² + 2F_c²)/3
1779 reflections	(Δ/σ)_max < 0.001
125 parameters	Δρ_max = 1.03 e Å⁻³
0 restraints	Δρ_min = −0.96 e Å⁻³

Crystal data top

[Cu(C₂₁H₂₄N₂O₂)]·H₂O	V = 2069.5 (14) Å³
M_r = 417.98	Z = 4
Monoclinic, C2/c	Mo Kα radiation
a = 13.353 (5) Å	µ = 1.08 mm⁻¹
b = 15.986 (5) Å	T = 296 K
c = 10.023 (5) Å	0.11 × 0.08 × 0.05 mm
β = 104.696 (5)°

Data collection top

Bruker SMART APEXII CCD area-detector diffractometer	1779 independent reflections
Absorption correction: multi-scan (SADABS; Bruker, 2005)	1053 reflections with I > 2σ(I)
T_min = 0.891, T_max = 0.948	R_int = 0.101
4967 measured reflections

Refinement top

R[F² > 2σ(F²)] = 0.084	0 restraints
wR(F²) = 0.209	H-atom parameters constrained
S = 0.95	Δρ_max = 1.03 e Å⁻³
1779 reflections	Δρ_min = −0.96 e Å⁻³
125 parameters

Special details top

Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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 > 2sigma(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.

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

	x	y	z	U_iso*/U_eq
Cu1	0.5000	0.01026 (6)	−0.2500	0.0266 (5)
O1	0.4089 (4)	−0.0737 (2)	−0.3499 (6)	0.0312 (14)
N1	0.4554 (5)	0.0944 (3)	−0.3912 (7)	0.0305 (16)
C1	0.3331 (6)	−0.0612 (4)	−0.4620 (9)	0.0293 (19)
C2	0.2617 (6)	−0.1276 (4)	−0.5073 (10)	0.042 (3)
H2	0.2662	−0.1758	−0.4541	0.050*
C3	0.1860 (7)	−0.1214 (5)	−0.6291 (11)	0.046 (3)
H3	0.1375	−0.1642	−0.6530	0.055*
C4	0.1790 (6)	−0.0526 (5)	−0.7191 (10)	0.045 (2)
C6	0.3222 (6)	0.0109 (4)	−0.5441 (9)	0.0311 (19)
C7	0.3854 (6)	0.0845 (4)	−0.5067 (10)	0.032 (2)
H7	0.3753	0.1282	−0.5699	0.038*
C8	0.5166 (6)	0.1727 (4)	−0.3691 (9)	0.036 (2)
H8A	0.4984	0.2056	−0.4531	0.043*
H8B	0.5894	0.1587	−0.3512	0.043*
C9	0.5000	0.2260 (6)	−0.2500	0.048 (4)
C5	0.2449 (6)	0.0134 (5)	−0.6699 (10)	0.042 (2)
H5	0.2380	0.0621	−0.7224	0.051*
C11	0.1004 (8)	−0.0471 (7)	−0.8564 (12)	0.069 (3)
H11B	0.1206	−0.0042	−0.9113	0.104*
H11A	0.0338	−0.0338	−0.8421	0.104*
H11C	0.0968	−0.0999	−0.9032	0.104*
C10	0.4033 (10)	0.2806 (6)	−0.2988 (13)	0.087 (5)
H10B	0.3947	0.3149	−0.2238	0.130*
H10A	0.3436	0.2455	−0.3299	0.130*
H10C	0.4110	0.3157	−0.3733	0.130*
O1W	0.5000	−0.2254 (4)	−0.2500	0.091 (5)
H1W1	0.5281	−0.1936	−0.2981	0.137*

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Cu1	0.0194 (7)	0.0263 (6)	0.0300 (9)	0.000	−0.0015 (6)	0.000
O1	0.026 (3)	0.026 (2)	0.031 (4)	−0.0008 (18)	−0.012 (3)	−0.005 (2)
N1	0.033 (4)	0.032 (3)	0.030 (5)	−0.005 (2)	0.016 (4)	0.003 (3)
C1	0.018 (4)	0.038 (4)	0.030 (5)	0.001 (3)	0.003 (4)	−0.005 (3)
C2	0.031 (5)	0.037 (4)	0.049 (7)	0.000 (3)	−0.007 (5)	0.000 (4)
C3	0.020 (5)	0.060 (5)	0.052 (7)	−0.007 (3)	0.001 (5)	−0.014 (5)
C4	0.017 (4)	0.068 (5)	0.046 (7)	−0.005 (4)	−0.003 (5)	−0.003 (5)
C6	0.022 (4)	0.036 (3)	0.032 (5)	0.007 (3)	0.001 (4)	0.001 (3)
C7	0.030 (5)	0.029 (3)	0.036 (6)	0.007 (3)	0.006 (5)	0.011 (3)
C8	0.026 (5)	0.032 (4)	0.044 (6)	−0.007 (3)	−0.002 (5)	0.004 (3)
C9	0.046 (9)	0.025 (5)	0.073 (12)	0.000	0.018 (8)	0.000
C5	0.026 (5)	0.052 (4)	0.043 (6)	0.005 (3)	−0.002 (4)	0.007 (4)
C11	0.036 (6)	0.113 (8)	0.049 (8)	−0.013 (5)	−0.007 (6)	0.000 (6)
C10	0.123 (12)	0.058 (6)	0.089 (11)	0.050 (6)	0.045 (9)	0.034 (6)
O1W	0.106 (10)	0.033 (5)	0.106 (11)	0.000	−0.026 (8)	0.000

Geometric parameters (Å, º) top

Cu1—O1ⁱ	1.914 (4)	C6—C7	1.441 (10)
Cu1—O1	1.914 (4)	C7—H7	0.9300
Cu1—N1ⁱ	1.934 (6)	C8—C9	1.527 (10)
Cu1—N1	1.934 (6)	C8—H8A	0.9700
O1—C1	1.322 (9)	C8—H8B	0.9700
N1—C7	1.300 (10)	C9—C8ⁱ	1.527 (10)
N1—C8	1.480 (8)	C9—C10	1.533 (10)
C1—C6	1.403 (10)	C9—C10ⁱ	1.533 (10)
C1—C2	1.423 (10)	C5—H5	0.9300
C2—C3	1.377 (12)	C11—H11B	0.9600
C2—H2	0.9300	C11—H11A	0.9600
C3—C4	1.411 (13)	C11—H11C	0.9600
C3—H3	0.9300	C10—H10B	0.9600
C4—C5	1.382 (11)	C10—H10A	0.9600
C4—C11	1.507 (12)	C10—H10C	0.9600
C6—C5	1.413 (11)	O1W—H1W1	0.8513

O1ⁱ—Cu1—O1	91.0 (3)	N1—C8—C9	113.9 (7)
O1ⁱ—Cu1—N1ⁱ	93.9 (2)	N1—C8—H8A	108.8
O1—Cu1—N1ⁱ	155.2 (3)	C9—C8—H8A	108.8
O1ⁱ—Cu1—N1	155.1 (3)	N1—C8—H8B	108.8
O1—Cu1—N1	93.9 (2)	C9—C8—H8B	108.8
N1ⁱ—Cu1—N1	91.9 (4)	H8A—C8—H8B	107.7
C1—O1—Cu1	125.9 (4)	C8—C9—C8ⁱ	112.2 (8)
C7—N1—C8	118.8 (6)	C8—C9—C10	110.2 (6)
C7—N1—Cu1	125.8 (4)	C8ⁱ—C9—C10	106.9 (6)
C8—N1—Cu1	115.0 (5)	C8—C9—C10ⁱ	106.9 (6)
O1—C1—C6	124.5 (6)	C8ⁱ—C9—C10ⁱ	110.2 (6)
O1—C1—C2	117.8 (7)	C10—C9—C10ⁱ	110.5 (11)
C6—C1—C2	117.6 (8)	C4—C5—C6	123.4 (8)
C3—C2—C1	120.8 (8)	C4—C5—H5	118.3
C3—C2—H2	119.6	C6—C5—H5	118.3
C1—C2—H2	119.6	C4—C11—H11B	109.5
C2—C3—C4	122.5 (7)	C4—C11—H11A	109.5
C2—C3—H3	118.8	H11B—C11—H11A	109.5
C4—C3—H3	118.8	C4—C11—H11C	109.5
C5—C4—C3	115.8 (8)	H11B—C11—H11C	109.5
C5—C4—C11	121.0 (9)	H11A—C11—H11C	109.5
C3—C4—C11	123.1 (8)	C9—C10—H10B	109.5
C1—C6—C5	119.4 (7)	C9—C10—H10A	109.5
C1—C6—C7	123.4 (7)	H10B—C10—H10A	109.5
C5—C6—C7	117.1 (7)	C9—C10—H10C	109.5
N1—C7—C6	124.9 (7)	H10B—C10—H10C	109.5
N1—C7—H7	117.5	H10A—C10—H10C	109.5
C6—C7—H7	117.5

O1ⁱ—Cu1—O1—C1	−166.5 (8)	C2—C1—C6—C5	−2.8 (12)
N1ⁱ—Cu1—O1—C1	92.1 (9)	O1—C1—C6—C7	−7.9 (13)
N1—Cu1—O1—C1	−10.9 (7)	C2—C1—C6—C7	176.4 (8)
O1ⁱ—Cu1—N1—C7	101.3 (8)	C8—N1—C7—C6	178.2 (8)
O1—Cu1—N1—C7	0.5 (8)	Cu1—N1—C7—C6	5.8 (13)
N1ⁱ—Cu1—N1—C7	−155.3 (9)	C1—C6—C7—N1	−3.6 (14)
O1ⁱ—Cu1—N1—C8	−71.3 (8)	C5—C6—C7—N1	175.7 (8)
O1—Cu1—N1—C8	−172.1 (6)	C7—N1—C8—C9	116.3 (8)
N1ⁱ—Cu1—N1—C8	32.1 (4)	Cu1—N1—C8—C9	−70.5 (7)
Cu1—O1—C1—C6	15.7 (11)	N1—C8—C9—C8ⁱ	35.3 (4)
Cu1—O1—C1—C2	−168.6 (6)	N1—C8—C9—C10	−83.7 (9)
O1—C1—C2—C3	−174.8 (8)	N1—C8—C9—C10ⁱ	156.2 (8)
C6—C1—C2—C3	1.2 (14)	C3—C4—C5—C6	6.1 (15)
C1—C2—C3—C4	4.2 (15)	C11—C4—C5—C6	−177.9 (9)
C2—C3—C4—C5	−7.7 (15)	C1—C6—C5—C4	−1.0 (14)
C2—C3—C4—C11	176.4 (10)	C7—C6—C5—C4	179.7 (9)
O1—C1—C6—C5	172.9 (8)

Symmetry code: (i) −x+1, y, −z−1/2.

Hydrogen-bond geometry (Å, º) top

Cg1 is the centroid of the C1–C6 ring.

D—H···A	D—H	H···A	D···A	D—H···A
O1W—H1W1···O1	0.85	2.46	2.783 (7)	103
O1W—H1W1···O1ⁱ	0.85	2.44	2.783 (7)	105
C3—H3···O1Wⁱⁱ	0.93	2.55	3.48 (1)	173
C8—H8B···Cg1ⁱⁱⁱ	0.97	2.83	3.693 (9)	148
C11—H11B···Cg1^iv	0.96	2.98	3.850 (12)	151

Symmetry codes: (i) −x+1, y, −z−1/2; (ii) −x+1/2, −y−1/2, −z−1; (iii) x+3/2, y+1/2, z−1; (iv) −x+1/2, y+1/2, −z−1/2.

Experimental details

Crystal data
Chemical formula	[Cu(C₂₁H₂₄N₂O₂)]·H₂O
M_r	417.98
Crystal system, space group	Monoclinic, C2/c
Temperature (K)	296
a, b, c (Å)	13.353 (5), 15.986 (5), 10.023 (5)
β (°)	104.696 (5)
V (Å³)	2069.5 (14)
Z	4
Radiation type	Mo Kα
µ (mm⁻¹)	1.08
Crystal size (mm)	0.11 × 0.08 × 0.05

Data collection
Diffractometer	Bruker SMART APEXII CCD area-detector diffractometer
Absorption correction	Multi-scan (SADABS; Bruker, 2005)
T_min, T_max	0.891, 0.948
No. of measured, independent and observed [I > 2σ(I)] reflections	4967, 1779, 1053
R_int	0.101
(sin θ/λ)_max (Å⁻¹)	0.595

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.084, 0.209, 0.95
No. of reflections	1779
No. of parameters	125
H-atom treatment	H-atom parameters constrained
Δρ_max, Δρ_min (e Å⁻³)	1.03, −0.96

Computer programs: APEX2 (Bruker, 2005), SAINT (Bruker, 2005), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).

Hydrogen-bond geometry (Å, º) top

Cg1 is the centroid of the C1–C6 ring.

D—H···A	D—H	H···A	D···A	D—H···A
O1W—H1W1···O1	0.85	2.46	2.783 (7)	103
O1W—H1W1···O1ⁱ	0.85	2.44	2.783 (7)	105
C3—H3···O1Wⁱⁱ	0.93	2.55	3.48 (1)	173
C8—H8B···Cg1ⁱⁱⁱ	0.97	2.83	3.693 (9)	148
C11—H11B···Cg1^iv	0.96	2.98	3.850 (12)	151

Symmetry codes: (i) −x+1, y, −z−1/2; (ii) −x+1/2, −y−1/2, −z−1; (iii) x+3/2, y+1/2, z−1; (iv) −x+1/2, y+1/2, −z−1/2.

Acknowledgements

HK and FG thank PNU for financial support.

References

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Volume 68| Part 9| September 2012| Page m1172

doi:10.1107/S1600536812034502

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metal-organic compounds\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

{4,4′-Di­methyl-2,2′-[2,2-di­methyl­propane-1,3-diylbis(nitrilo­methanylyl­­idene)]diphenolato}copper(II) monohydrate

Related literature

Experimental

Crystal data

Data collection

Refinement

Supporting information

Acknowledgements

References

metal-organic compounds

{4,4′-Dimethyl-2,2′-[2,2-dimethylpropane-1,3-diylbis(nitrilomethanylylidene)]diphenolato}copper(II) monohydrate