Poly[[[μ-trans-1,2-bis­(pyridin-4-yl)ethene-κ2N:N′]-μ-iodido-copper(I)]–trans-1,2-bis­(pyridin-4-yl)ethene (1/0.25)]

Hoffman, J.L.; Akhigbe, J.E.; Reinheimer, E.W.; Smucker, B.W.

doi:10.1107/S2414314620009980

Poly[[[μ-trans-1,2-bis(pyridin-4-yl)ethene-κ²N:N′]-μ-iodido-copper(I)]–trans-1,2-bis(pyridin-4-yl)ethene (1/0.25)]

J. L. Hoffman, J. E. Akhigbe, E. W. Reinheimer and B. W. Smucker

The title compound, {[CuI(bpe)]·0.25(bpe)}_n, was synthesized similarly to (CuI)₂(bpe) [Neal et al. (2019). IUCrData, 4, x190122] with red crystals grown from acetonitrile solutions of CuI and the bpe ligand [bpe = 1,2-bis(pyridin-4-yl)ethene, C₁₂H₁₀N₂]. The structure of the title compound is a type 1 complex in the Graham nomenclature [Graham et al. (2000). Inorg. Chem. 39, 5121–5132], having rhombic dimers of Cu₂I₂ that are bridged by two bpe ligands, to form oligomeric ribbons arranged as stairsteps. The step height is 2.8072 (11) Å, which is the Cu—Iⁱ distance of the dimer [symmetry code (i): 1 − x, 2 − y, 1 − z]. The resulting polymer displays a two-dimensional honeycomb framework along the (01 $\overline1$ ) plane, and disordered free bpe molecules fill the voids in the crystal.

Keywords: crystal structure; coordination polymer; CuI dimer; copper.

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Supporting information

	Crystallographic Information File (CIF) https://doi.org/10.1107/S2414314620009980/bh4052sup1.cif Contains datablocks I, global
	Structure factor file (CIF format) https://doi.org/10.1107/S2414314620009980/bh4052Isup2.hkl Contains datablock I
	MDL mol file https://doi.org/10.1107/S2414314620009980/bh4052Isup3.mol Supplementary material

CCDC reference: 2017730

checkCIF report

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.009 Å
Disorder in solvent or counterion
R factor = 0.035
wR factor = 0.091
Data-to-parameter ratio = 13.4

checkCIF/PLATON results

No syntax errors found



Alert level B
PLAT031_ALERT_4_B Refined Extinction Parameter Within Range ......      2.250 Sigma

Alert level C
PLAT241_ALERT_2_C High   'MainMol' Ueq as Compared to Neighbors of        Cu1 Check
PLAT241_ALERT_2_C High   'MainMol' Ueq as Compared to Neighbors of         C8 Check
PLAT241_ALERT_2_C High   'MainMol' Ueq as Compared to Neighbors of         C9 Check
PLAT242_ALERT_2_C Low    'MainMol' Ueq as Compared to Neighbors of         N2 Check
PLAT242_ALERT_2_C Low    'MainMol' Ueq as Compared to Neighbors of        C10 Check
PLAT243_ALERT_4_C High   'Solvent' Ueq as Compared to Neighbors of        C16 Check
PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor ....        3.5 Note
PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor ....        2.3 Note
PLAT260_ALERT_2_C Large Average Ueq of Residue Including       N17      0.205 Check
PLAT342_ALERT_3_C Low Bond Precision on  C-C Bonds ...............    0.00933 Ang.
PLAT411_ALERT_2_C Short Inter H...H Contact  H9       ..H13      .       2.12 Ang.
                                                1-x,1-y,2-z  =      2_667 Check
PLAT911_ALERT_3_C Missing FCF Refl Between Thmin & STh/L=    0.597         18 Report
PLAT978_ALERT_2_C Number C-C Bonds with Positive Residual Density.          0 Info

Alert level G
PLAT002_ALERT_2_G Number of Distance or Angle Restraints on AtSite          6 Note
PLAT003_ALERT_2_G Number of Uiso or Uij Restrained non-H Atoms ...          6 Report
PLAT004_ALERT_5_G Polymeric Structure Found with Maximum Dimension          2 Info
PLAT042_ALERT_1_G Calc. and Reported MoietyFormula Strings  Differ     Please Check
PLAT045_ALERT_1_G Calculated and Reported Z Differ by a Factor ...       0.50 Check
PLAT172_ALERT_4_G The CIF-Embedded .res File Contains DFIX Records          8 Report
PLAT173_ALERT_4_G The CIF-Embedded .res File Contains DANG Records          1 Report
PLAT174_ALERT_4_G The CIF-Embedded .res File Contains FLAT Records          1 Report
PLAT186_ALERT_4_G The CIF-Embedded .res File Contains ISOR Records          1 Report
PLAT187_ALERT_4_G The CIF-Embedded .res File Contains RIGU Records          1 Report
PLAT199_ALERT_1_G Reported _cell_measurement_temperature ..... (K)        293 Check
PLAT200_ALERT_1_G Reported   _diffrn_ambient_temperature ..... (K)        293 Check
PLAT232_ALERT_2_G Hirshfeld Test Diff (M-X)  I1       --Cu1      .       27.0 s.u.
PLAT232_ALERT_2_G Hirshfeld Test Diff (M-X)  I1       --Cu1_b    .       49.4 s.u.
PLAT300_ALERT_4_G Atom Site Occupancy of N17        Constrained at        0.5 Check
PLAT300_ALERT_4_G Atom Site Occupancy of C13        Constrained at        0.5 Check
PLAT300_ALERT_4_G Atom Site Occupancy of C14        Constrained at        0.5 Check
PLAT300_ALERT_4_G Atom Site Occupancy of C15        Constrained at        0.5 Check
PLAT300_ALERT_4_G Atom Site Occupancy of C18        Constrained at        0.5 Check
PLAT300_ALERT_4_G Atom Site Occupancy of H          Constrained at        0.5 Check
PLAT300_ALERT_4_G Atom Site Occupancy of H13        Constrained at        0.5 Check
PLAT300_ALERT_4_G Atom Site Occupancy of H15        Constrained at        0.5 Check
PLAT300_ALERT_4_G Atom Site Occupancy of H16        Constrained at        0.5 Check
PLAT300_ALERT_4_G Atom Site Occupancy of H18        Constrained at        0.5 Check
PLAT302_ALERT_4_G Anion/Solvent/Minor-Residue Disorder (Resd  2  )        71% Note
PLAT432_ALERT_2_G Short Inter X...Y Contact  C13      ..C13              1.30 Ang.
                                                2-x,1-y,2-z  =      2_767 Check
PLAT432_ALERT_2_G Short Inter X...Y Contact  C13      ..C14              2.43 Ang.
                                                2-x,1-y,2-z  =      2_767 Check
PLAT432_ALERT_2_G Short Inter X...Y Contact  C13      ..C15              3.10 Ang.
                                                2-x,1-y,2-z  =      2_767 Check
PLAT764_ALERT_4_G Overcomplete CIF Bond List Detected (Rep/Expd) .       1.19 Ratio
PLAT779_ALERT_4_G Suspect or Irrelevant (Bond) Angle(s) in CIF . #         65 Check
              C16  -C15  -H       1.555   1.555   2.667             44.90 Deg.
PLAT780_ALERT_1_G Coordinates do not Form a Properly Connected Set     Please Do !
PLAT860_ALERT_3_G Number of Least-Squares Restraints .............         87 Note
PLAT909_ALERT_3_G Percentage of I>2sig(I) Data at Theta(Max) Still        47% Note
PLAT933_ALERT_2_G Number of OMIT Records in Embedded .res File ...          1 Note

   0 ALERT level A = Most likely a serious problem - resolve or explain
   1 ALERT level B = A potentially serious problem, consider carefully
  13 ALERT level C = Check. Ensure it is not caused by an omission or oversight
  34 ALERT level G = General information/check it is not something unexpected

   5 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
  18 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
  20 ALERT type 4 Improvement, methodology, query or suggestion
   1 ALERT type 5 Informative message, check

Computing details top

Data collection: CrysAlis PRO (Rigaku OD, 2019); cell refinement: CrysAlis PRO (Rigaku OD, 2019); data reduction: CrysAlis PRO (Rigaku OD, 2019); program(s) used to solve structure: SHELXT2018/2 (Sheldrick, 2015a); program(s) used to refine structure: SHELXL2018/3 (Sheldrick, 2015b); molecular graphics: Mercury (Macrae et al., 2020); software used to prepare material for publication: publCIF (Westrip, 2010).

Poly[[[µ-trans-1,2-bis(pyridin-4-yl)ethene-κ²N:N']-µ-iodido-copper(I)]–trans-1,2-bis(pyridin-4-yl)ethene (1/0.25)] top

Crystal data top

[CuI(C₁₂H₁₀N₂)·0.25C₁₂H₁₀N₂	Z = 2
M_r = 418.21	F(000) = 404
Triclinic, P1	D_x = 1.846 Mg m⁻³
a = 7.9004 (2) Å	Mo Kα radiation, λ = 0.71073 Å
b = 10.4260 (3) Å	Cell parameters from 6736 reflections
c = 10.5078 (3) Å	θ = 2.1–24.7°
α = 99.903 (2)°	µ = 3.49 mm⁻¹
β = 104.930 (2)°	T = 293 K
γ = 110.061 (3)°	Block, red
V = 752.55 (4) Å³	0.14 × 0.10 × 0.06 mm

Data collection top

Rigaku XtaLAB Mini II diffractometer	2683 independent reflections
Radiation source: fine-focus sealed X-ray tube, Rigaku (Mo) X-ray Source	2021 reflections with I > 2σ(I)
Detector resolution: 10.0000 pixels mm^-1	R_int = 0.033
ω scans	θ_max = 25.1°, θ_min = 2.1°
Absorption correction: multi-scan (CrysAlis Pro; Rigaku OD, 2019)	h = −9→9
T_min = 0.838, T_max = 1.000	k = −12→12
16024 measured reflections	l = −12→12

Refinement top

Refinement on F²	Secondary atom site location: difference Fourier map
Least-squares matrix: full	Hydrogen site location: mixed
R[F² > 2σ(F²)] = 0.035	H-atom parameters constrained
wR(F²) = 0.091	w = 1/[σ²(F_o²) + (0.0389P)² + 1.4132P] where P = (F_o² + 2F_c²)/3
S = 1.03	(Δ/σ)_max = 0.001
2683 reflections	Δρ_max = 0.60 e Å⁻³
200 parameters	Δρ_min = −1.01 e Å⁻³
87 restraints	Extinction correction: SHELXL-2018/3 (Sheldrick, 2015b), Fc^*=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4
0 constraints	Extinction coefficient: 0.0018 (8)
Primary atom site location: dual

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

	x	y	z	U_iso*/U_eq	Occ. (<1)
I1	0.26536 (6)	0.84672 (5)	0.33204 (4)	0.06679 (19)
Cu1	0.47272 (12)	0.86742 (10)	0.58757 (8)	0.0777 (3)
N1	0.6174 (6)	0.7452 (5)	0.5719 (5)	0.0605 (12)
N2	0.3214 (6)	0.8771 (5)	0.7122 (4)	0.0515 (10)
C1	0.6526 (9)	0.6715 (7)	0.6588 (6)	0.0683 (16)
H1	0.603438	0.674885	0.730152	0.082*
C2	0.7563 (8)	0.5909 (6)	0.6505 (6)	0.0657 (16)
H2	0.773735	0.540343	0.713949	0.079*
C3	0.8346 (8)	0.5847 (6)	0.5482 (6)	0.0572 (14)
C4	0.7964 (9)	0.6579 (7)	0.4552 (7)	0.0743 (18)
H4	0.843618	0.655522	0.382777	0.089*
C5	0.6875 (9)	0.7351 (7)	0.4697 (7)	0.0752 (18)
H5	0.661750	0.782544	0.404776	0.090*
C6	0.9505 (8)	0.5005 (6)	0.5415 (6)	0.0614 (15)
H6	0.953705	0.443793	0.600578	0.074*
C7	0.0594 (8)	0.9694 (6)	1.0045 (5)	0.0578 (14)
H7	0.093427	0.942977	1.084213	0.069*
C8	0.3474 (10)	0.8408 (8)	0.8268 (6)	0.090 (2)
H8	0.427047	0.792999	0.844460	0.108*
C9	0.2652 (10)	0.8686 (8)	0.9223 (6)	0.089 (2)
H9	0.290839	0.840143	1.001801	0.107*
C10	0.1457 (7)	0.9378 (5)	0.9018 (5)	0.0470 (12)
C11	0.1145 (8)	0.9735 (6)	0.7811 (6)	0.0625 (15)
H11	0.034006	1.020025	0.760252	0.075*
C12	0.2020 (8)	0.9406 (6)	0.6906 (6)	0.0643 (16)
H12	0.175498	0.964583	0.608684	0.077*
C13	0.9182 (15)	0.4586 (15)	1.002 (3)	0.207 (11)	0.5
H13	0.901139	0.363730	1.005612	0.248*	0.5
C14	0.7563 (17)	0.4951 (16)	0.9907 (15)	0.157 (8)	0.5
C15	0.7591 (17)	0.6220 (15)	1.0534 (17)	0.173 (9)	0.5
H15	0.873366	0.708859	1.090084	0.207*	0.5
C16	0.5871 (15)	0.6190 (9)	1.0550 (15)	0.265 (11)
H16	0.587357	0.707340	1.100402	0.318*	0.5
H	0.298137	0.295930	0.924152	0.318*	0.5
N17	0.4132 (18)	0.5088 (14)	1.002 (3)	0.268 (16)	0.5
C18	0.5760 (17)	0.3832 (16)	0.926 (2)	0.161 (8)	0.5
H18	0.568167	0.300260	0.863881	0.193*	0.5

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
I1	0.0821 (3)	0.0961 (3)	0.0635 (3)	0.0621 (3)	0.0395 (2)	0.0464 (2)
Cu1	0.0954 (6)	0.1227 (7)	0.0726 (5)	0.0872 (6)	0.0535 (4)	0.0401 (5)
N1	0.068 (3)	0.084 (3)	0.065 (3)	0.056 (3)	0.039 (2)	0.030 (2)
N2	0.061 (3)	0.068 (3)	0.053 (2)	0.045 (2)	0.033 (2)	0.025 (2)
C1	0.081 (4)	0.100 (5)	0.067 (4)	0.067 (4)	0.043 (3)	0.039 (3)
C2	0.075 (4)	0.084 (4)	0.076 (4)	0.057 (4)	0.041 (3)	0.039 (3)
C3	0.055 (3)	0.064 (3)	0.077 (4)	0.043 (3)	0.032 (3)	0.028 (3)
C4	0.091 (4)	0.104 (5)	0.085 (4)	0.076 (4)	0.059 (4)	0.046 (4)
C5	0.098 (5)	0.106 (5)	0.082 (4)	0.081 (4)	0.058 (4)	0.052 (4)
C6	0.064 (4)	0.064 (3)	0.086 (4)	0.044 (3)	0.041 (3)	0.034 (3)
C7	0.073 (4)	0.088 (4)	0.047 (3)	0.055 (3)	0.036 (3)	0.034 (3)
C8	0.123 (6)	0.162 (7)	0.073 (4)	0.123 (6)	0.062 (4)	0.064 (4)
C9	0.129 (6)	0.160 (7)	0.065 (4)	0.122 (6)	0.061 (4)	0.070 (4)
C10	0.050 (3)	0.063 (3)	0.046 (3)	0.035 (3)	0.026 (2)	0.021 (2)
C11	0.082 (4)	0.093 (4)	0.067 (3)	0.071 (4)	0.050 (3)	0.046 (3)
C12	0.094 (4)	0.094 (4)	0.064 (3)	0.073 (4)	0.054 (3)	0.050 (3)
C13	0.23 (2)	0.15 (2)	0.20 (2)	0.062 (19)	0.00 (2)	0.10 (2)
C14	0.27 (2)	0.124 (12)	0.066 (11)	0.082 (13)	0.017 (13)	0.050 (10)
C15	0.162 (16)	0.099 (11)	0.17 (2)	0.014 (12)	−0.024 (16)	0.035 (12)
C16	0.229 (17)	0.209 (17)	0.233 (19)	0.099 (14)	−0.031 (15)	−0.085 (14)
N17	0.192 (18)	0.28 (3)	0.23 (3)	0.106 (17)	0.02 (2)	−0.12 (2)
C18	0.24 (2)	0.124 (14)	0.120 (17)	0.089 (14)	0.042 (17)	0.043 (12)

Geometric parameters (Å, º) top

I1—Cu1	2.6891 (9)	C9—C10	1.370 (7)
I1—Cu1ⁱ	2.8072 (11)	C9—H9	0.9300
Cu1—N1	1.996 (4)	C10—C11	1.368 (7)
Cu1—N2	2.000 (4)	C11—C12	1.374 (6)
N1—C1	1.326 (7)	C11—H11	0.9300
N1—C5	1.333 (6)	C12—H12	0.9300
N2—C8	1.311 (7)	C13—C13^iv	1.300 (10)
N2—C12	1.322 (6)	C13—C14	1.437 (9)
C1—C2	1.367 (7)	C13—H13	0.9609
C1—H1	0.9300	C14—N17^v	1.348 (15)
C2—C3	1.375 (7)	C14—C15	1.363 (9)
C2—H2	0.9300	C14—C18	1.394 (9)
C3—C4	1.376 (8)	C15—C16	1.353 (9)
C3—C6	1.475 (7)	C15—N17^v	1.45 (2)
C4—C5	1.383 (7)	C15—H15	0.9607
C4—H4	0.9300	C15—H^v	1.11 (2)
C5—H5	0.9300	C16—C18^v	1.348 (9)
C6—C6ⁱⁱ	1.314 (10)	C16—N17	1.350 (9)
C6—H6	0.9300	C16—N17^v	1.362 (9)
C7—C7ⁱⁱⁱ	1.297 (9)	C16—H16	0.9608
C7—C10	1.466 (6)	C16—H^v	0.967 (18)
C7—H7	0.9300	N17—C18^v	1.21 (2)
C8—C9	1.370 (7)	N17—N17^v	1.45 (2)
C8—H8	0.9300	C18—H18	0.9607

Cu1—I1—Cu1ⁱ	80.26 (3)	N17^v—C14—C15	64.6 (10)
N1—Cu1—N2	127.33 (17)	N17^v—C14—C18	52.3 (10)
N1—Cu1—I1	108.03 (13)	C15—C14—C18	116.2 (10)
N2—Cu1—I1	109.45 (12)	N17^v—C14—C13	160.3 (17)
N1—Cu1—I1ⁱ	107.96 (15)	C15—C14—C13	126.9 (13)
N2—Cu1—I1ⁱ	100.67 (13)	C18—C14—C13	116.2 (11)
I1—Cu1—I1ⁱ	99.74 (3)	C16—C15—C14	115.2 (10)
C1—N1—C5	115.8 (4)	C16—C15—N17^v	58.1 (6)
C1—N1—Cu1	124.3 (3)	C14—C15—N17^v	57.2 (8)
C5—N1—Cu1	119.9 (4)	C16—C15—H15	121.9
C8—N2—C12	115.1 (4)	C14—C15—H15	122.8
C8—N2—Cu1	124.8 (3)	N17^v—C15—H15	179.9
C12—N2—Cu1	119.5 (3)	C16—C15—H^v	44.9 (10)
N1—C1—C2	124.4 (5)	C14—C15—H^v	157.2 (16)
N1—C1—H1	117.8	N17^v—C15—H^v	102.3 (13)
C2—C1—H1	117.8	H15—C15—H^v	77.6
C1—C2—C3	119.9 (5)	C18^v—C16—N17	53.2 (10)
C1—C2—H2	120.1	C18^v—C16—C15	172.4 (16)
C3—C2—H2	120.1	N17—C16—C15	129.2 (11)
C2—C3—C4	116.6 (4)	C18^v—C16—N17^v	116.9 (11)
C2—C3—C6	119.8 (5)	N17—C16—N17^v	64.9 (11)
C4—C3—C6	123.5 (5)	C15—C16—N17^v	64.5 (9)
C3—C4—C5	119.8 (5)	C18^v—C16—H16	62.0
C3—C4—H4	120.1	N17—C16—H16	114.6
C5—C4—H4	120.1	C15—C16—H16	116.1
N1—C5—C4	123.5 (5)	N17^v—C16—H16	176.3
N1—C5—H5	118.3	C18^v—C16—H^v	125.1 (15)
C4—C5—H5	118.3	N17—C16—H^v	168 (3)
C6ⁱⁱ—C6—C3	125.1 (7)	C15—C16—H^v	54.4 (13)
C6ⁱⁱ—C6—H6	117.4	N17^v—C16—H^v	118.0 (18)
C3—C6—H6	117.4	H16—C16—H^v	63.3
C7ⁱⁱⁱ—C7—C10	126.7 (6)	C18^v—N17—C14^v	65.8 (8)
C7ⁱⁱⁱ—C7—H7	116.7	C18^v—N17—C16	63.3 (7)
C10—C7—H7	116.7	C14^v—N17—C16	128.9 (12)
N2—C8—C9	124.4 (5)	C18^v—N17—C16^v	168 (3)
N2—C8—H8	117.8	C14^v—N17—C16^v	115.6 (11)
C9—C8—H8	117.8	C16—N17—C16^v	115.1 (11)
C10—C9—C8	120.6 (5)	C18^v—N17—C15^v	123.2 (12)
C10—C9—H9	119.7	C14^v—N17—C15^v	58.2 (7)
C8—C9—H9	119.7	C16—N17—C15^v	172.1 (15)
C11—C10—C9	115.5 (4)	C16^v—N17—C15^v	57.5 (7)
C11—C10—C7	123.8 (4)	C18^v—N17—N17^v	120.1 (14)
C9—C10—C7	120.8 (4)	C14^v—N17—N17^v	171 (3)
C10—C11—C12	120.1 (5)	C16—N17—N17^v	58.0 (7)
C10—C11—H11	120.0	C16^v—N17—N17^v	57.1 (7)
C12—C11—H11	120.0	C15^v—N17—N17^v	114.5 (11)
N2—C12—C11	124.4 (5)	N17^v—C18—C16^v	63.5 (7)
N2—C12—H12	117.8	N17^v—C18—C14	61.9 (9)
C11—C12—H12	117.8	C16^v—C18—C14	125.2 (12)
C13^iv—C13—C14	124.7 (16)	N17^v—C18—H18	176.4
C13^iv—C13—H13	117.5	C16^v—C18—H18	117.6
C14—C13—H13	117.6	C14—C18—H18	117.2

C5—N1—C1—C2	1.2 (10)	C13^iv—C13—C14—C15	−43 (5)
Cu1—N1—C1—C2	−178.1 (5)	C13^iv—C13—C14—C18	147 (3)
N1—C1—C2—C3	1.1 (11)	N17^v—C14—C15—C16	−2.9 (18)
C1—C2—C3—C4	−2.4 (9)	C18—C14—C15—C16	5.8 (16)
C1—C2—C3—C6	178.5 (6)	C13—C14—C15—C16	−164.1 (18)
C2—C3—C4—C5	1.4 (10)	C18—C14—C15—N17^v	8.7 (18)
C6—C3—C4—C5	−179.5 (6)	C13—C14—C15—N17^v	−161 (2)
C1—N1—C5—C4	−2.3 (10)	C14—C15—C16—N17	−1 (2)
Cu1—N1—C5—C4	177.0 (5)	N17^v—C15—C16—N17	−4 (3)
C3—C4—C5—N1	1.0 (11)	C14—C15—C16—N17^v	2.9 (18)
C2—C3—C6—C6ⁱⁱ	−172.0 (8)	C15—C16—N17—C18^v	171 (2)
C4—C3—C6—C6ⁱⁱ	8.9 (12)	N17^v—C16—N17—C18^v	167 (3)
C12—N2—C8—C9	−2.1 (11)	C18^v—C16—N17—C14^v	6 (2)
Cu1—N2—C8—C9	169.2 (6)	C15—C16—N17—C14^v	177 (2)
N2—C8—C9—C10	0.4 (13)	N17^v—C16—N17—C14^v	173 (5)
C8—C9—C10—C11	0.9 (11)	C18^v—C16—N17—C16^v	−167 (3)
C8—C9—C10—C7	−179.2 (7)	C15—C16—N17—C16^v	4 (3)
C7ⁱⁱⁱ—C7—C10—C11	1.9 (12)	N17^v—C16—N17—C16^v	0.001 (1)
C7ⁱⁱⁱ—C7—C10—C9	−178.0 (8)	C18^v—C16—N17—N17^v	−167 (3)
C9—C10—C11—C12	−0.5 (9)	C15—C16—N17—N17^v	4 (3)
C7—C10—C11—C12	179.6 (6)	C15—C14—C18—N17^v	−10 (2)
C8—N2—C12—C11	2.6 (10)	C13—C14—C18—N17^v	161 (2)
Cu1—N2—C12—C11	−169.2 (5)	N17^v—C14—C18—C16^v	−5 (2)
C10—C11—C12—N2	−1.3 (10)	C15—C14—C18—C16^v	−15 (3)
C13^iv—C13—C14—N17^v	−163 (4)	C13—C14—C18—C16^v	156 (2)

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

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Poly[[[μ-trans-1,2-bis­(pyridin-4-yl)ethene-κ2N:N′]-μ-iodido-copper(I)]–trans-1,2-bis­(pyridin-4-yl)ethene (1/0.25)]

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Poly[[[μ-trans-1,2-bis(pyridin-4-yl)ethene-κ²N:N′]-μ-iodido-copper(I)]–trans-1,2-bis(pyridin-4-yl)ethene (1/0.25)]