Poly[triaqua­tris(μ-4-pyridine-3,5-dicarboxyl­ato)­didysprosium(III)]

Li, F.

doi:10.1107/S1600536806051622

Poly[triaquatris(μ-4-pyridine-3,5-dicarboxylato)didysprosium(III)]

The title complex, [Dy₂(C₇H₃NO₄)₃(H₂O)₃]_n, contains two independent dysprosium centers which are connected through two carboxylate O atoms into a binuclear unit. Each binuclear unit is linked to symmetry-related units by four 4-pyridine-3,5-dicarboxylate ligands to form a two-dimensional layer structure parallel to the ac plane. These two-dimensional layers are, in turn, linked into a three-dimensional network via shared carboxylate O atoms.

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Supporting information

	Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536806051622/lh2235sup1.cif Contains datablocks I, global
	Structure factor file (CIF format) https://doi.org/10.1107/S1600536806051622/lh2235Isup2.hkl Contains datablock I

CCDC reference: 633909

checkCIF report

Key indicators

Single-crystal X-ray study
T = 273 K
Mean (C-C) = 0.009 Å
H-atom completeness 61%
R factor = 0.036
wR factor = 0.110
Data-to-parameter ratio = 11.8

checkCIF/PLATON results

No syntax errors found



Alert level C
PLAT041_ALERT_1_C Calc. and Rep. SumFormula Strings    Differ ....          ?
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT068_ALERT_1_C Reported F000 Differs from Calcd (or Missing)...          ?
PLAT154_ALERT_1_C The su's on the Cell Angles are Equal (x 10000)         100 Deg.
PLAT180_ALERT_3_C Check Cell Rounding: # of Values Ending with 0 =          4
PLAT220_ALERT_2_C Large Non-Solvent    O     Ueq(max)/Ueq(min) ...       2.52 Ratio
PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor ....       2.06
PLAT342_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...          9
PLAT764_ALERT_4_C Overcomplete CIF Bond List Detected (Rep/Expd) .       1.13 Ratio

Alert level G
FORMU01_ALERT_2_G  There is a discrepancy between the atom counts in the
            _chemical_formula_sum and the formula from the _atom_site* data.
            Atom count from _chemical_formula_sum:C21 H15 Dy2 N3 O15
            Atom count from the _atom_site data:  C21 H9 Dy2 N3 O15
CELLZ01_ALERT_1_G Difference between formula and atom_site contents detected.
CELLZ01_ALERT_1_G WARNING: H atoms missing from atom site list. Is this intentional?
           From the CIF: _cell_formula_units_Z    2
           From the CIF: _chemical_formula_sum  C21 H15 Dy2 N3 O15
           TEST: Compare cell contents of formula and atom_site data

           atom    Z*formula  cif sites diff
           C         42.00     42.00    0.00
           H         30.00     18.00   12.00
           Dy         4.00      4.00    0.00
           N          6.00      6.00    0.00
           O         30.00     30.00    0.00

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   9 ALERT level C = Check and explain
   3 ALERT level G = General alerts; check

   6 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   3 ALERT type 2 Indicator that the structure model may be wrong or deficient
   2 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

Computing details top

Data collection: SMART (Bruker, 2004); cell refinement: SAINT (Bruker, 2004); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Bruker, 2004); software used to prepare material for publication: SHELXTL.

Poly[triaquatris(µ-4-pyridine-3,5-dicarboxylato)didysprosium(III)] top

Crystal data top

[Dy₂(C₇H₃NO₄)₃(H₂O)₃]	Z = 2
M_r = 874.36	F(000) = 828
Triclinic, P1	D_x = 2.488 Mg m⁻³
Hall symbol: -P 1	Mo Kα radiation, λ = 0.71073 Å
a = 8.9266 (2) Å	Cell parameters from 6372 reflections
b = 9.3595 (1) Å	θ = 1.4–25.7°
c = 14.722 (3) Å	µ = 6.44 mm⁻¹
α = 97.781 (1)°	T = 273 K
β = 95.518 (1)°	Needle, colorless
γ = 104.819 (1)°	0.10 × 0.05 × 0.03 mm
V = 1167.1 (2) Å³

Data collection top

Bruker SMART CCD diffractometer	4351 independent reflections
Radiation source: fine-focus sealed tube	4055 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.021
Detector resolution: 14.6306 pixels mm^-1	θ_max = 25.7°, θ_min = 1.4°
ω scans	h = −10→7
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)	k = −11→11
T_min = 0.672, T_max = 0.826	l = −17→17
6372 measured reflections

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)] = 0.036	Hydrogen site location: inferred from neighbouring sites
wR(F²) = 0.110	H-atom parameters constrained
S = 1.01	w = 1/[σ²(F_o²) + (0.0721P)² + 10.4697P] where P = (F_o² + 2F_c²)/3
4351 reflections	(Δ/σ)_max < 0.001
370 parameters	Δρ_max = 1.24 e Å⁻³
24 restraints	Δρ_min = −2.03 e Å⁻³

Special details top

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.

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

	x	y	z	U_iso*/U_eq
Dy1	0.14045 (3)	0.26704 (3)	0.27409 (2)	0.01651 (12)
O1	0.0066 (5)	0.6215 (5)	−0.1769 (3)	0.0168 (9)
N1	−0.1047 (6)	0.2349 (6)	−0.0635 (4)	0.0147 (10)
C1	0.1193 (7)	0.5877 (6)	−0.1378 (4)	0.0091 (11)
Dy2	0.54192 (3)	0.14825 (3)	0.16656 (2)	0.01801 (12)
O2	0.2603 (5)	0.6631 (5)	−0.1282 (3)	0.0169 (9)
N2	−0.4848 (7)	0.2491 (6)	0.5265 (4)	0.0171 (11)
C2	0.0861 (7)	0.4471 (6)	−0.0950 (4)	0.0085 (11)
O3	0.4244 (5)	0.2707 (5)	0.0457 (3)	0.0182 (9)
N3	0.8898 (6)	0.6687 (6)	0.3242 (4)	0.0201 (12)
C3	−0.0661 (7)	0.3557 (7)	−0.1060 (4)	0.0137 (12)
H3	−0.1436	0.3783	−0.1438	0.016*
O4	0.2406 (5)	0.1719 (5)	0.1280 (3)	0.0147 (9)
C4	0.0088 (7)	0.2024 (7)	−0.0097 (4)	0.0142 (12)
H4	−0.0179	0.1208	0.0209	0.017*
O5	−0.2497 (6)	0.2143 (5)	0.3021 (3)	0.0196 (10)
C5	0.1643 (7)	0.2860 (6)	0.0017 (4)	0.0094 (11)
O6	−0.0418 (5)	0.1883 (6)	0.3880 (3)	0.0227 (10)
C6	0.2037 (6)	0.4101 (7)	−0.0415 (4)	0.0104 (11)
H6	0.3069	0.4680	−0.0350	0.012*
O7	−0.2327 (5)	−0.0700 (5)	0.6681 (3)	0.0185 (9)
C7	0.2841 (7)	0.2399 (6)	0.0622 (4)	0.0123 (11)
O8	−0.4231 (6)	0.0050 (6)	0.7298 (3)	0.0239 (10)
C8	−0.1798 (7)	0.1967 (6)	0.3761 (4)	0.0135 (12)
O9	0.4647 (5)	0.3444 (5)	0.2712 (3)	0.0164 (9)
C9	−0.2715 (7)	0.1847 (7)	0.4572 (4)	0.0119 (11)
O10	0.3378 (5)	0.5082 (5)	0.2376 (4)	0.0270 (12)
C10	−0.3926 (7)	0.2540 (7)	0.4595 (4)	0.0137 (12)
H10	−0.4104	0.3064	0.4121	0.016*
O11	0.6978 (5)	0.9808 (5)	0.1403 (3)	0.0159 (9)
C11	−0.4574 (7)	0.1725 (7)	0.5933 (4)	0.0142 (12)
H11	−0.5202	0.1680	0.6403	0.017*
O12	0.9515 (5)	1.0409 (5)	0.1973 (3)	0.0148 (9)
C12	−0.3401 (7)	0.0985 (6)	0.5968 (4)	0.0095 (11)
C13	−0.2427 (7)	0.1079 (6)	0.5280 (4)	0.0112 (11)
H13	−0.1605	0.0638	0.5297	0.013*
C14	−0.3310 (7)	0.0034 (6)	0.6713 (4)	0.0126 (12)
C15	0.4620 (7)	0.4750 (7)	0.2556 (4)	0.0145 (12)
C16	0.6168 (7)	0.5910 (6)	0.2623 (4)	0.0109 (11)
C17	0.6346 (7)	0.7189 (7)	0.2216 (4)	0.0113 (11)
H17	0.5494	0.7362	0.1877	0.014*
C18	0.7815 (7)	0.8206 (6)	0.2323 (4)	0.0102 (11)
C19	0.9050 (7)	0.7912 (7)	0.2849 (4)	0.0173 (13)
H19	1.0029	0.8603	0.2931	0.021*
C20	0.7492 (8)	0.5706 (7)	0.3117 (5)	0.0172 (13)
H20	0.7386	0.4836	0.3373	0.021*
C21	0.8133 (7)	0.9599 (6)	0.1868 (4)	0.0097 (11)
O1W	0.2720 (7)	0.3543 (7)	0.4479 (4)	0.0365 (14)
O2W	0.0991 (7)	0.5035 (6)	0.3668 (4)	0.0336 (13)
O3W	0.3982 (5)	−0.0818 (6)	0.0550 (4)	0.0257 (11)

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Dy1	0.01234 (18)	0.01591 (17)	0.02269 (19)	0.00379 (12)	0.00071 (12)	0.00937 (12)
O1	0.0146 (18)	0.0167 (18)	0.0225 (19)	0.0076 (15)	−0.0022 (15)	0.0116 (15)
N1	0.008 (2)	0.014 (3)	0.021 (3)	0.000 (2)	0.000 (2)	0.008 (2)
C1	0.008 (3)	0.006 (3)	0.013 (3)	0.000 (2)	0.002 (2)	0.005 (2)
Dy2	0.01282 (18)	0.01763 (19)	0.02464 (19)	0.00282 (13)	0.00111 (13)	0.01081 (13)
O2	0.0133 (18)	0.0155 (18)	0.0212 (18)	−0.0010 (15)	0.0007 (15)	0.0121 (15)
N2	0.023 (3)	0.019 (3)	0.017 (3)	0.014 (2)	0.006 (2)	0.010 (2)
C2	0.011 (3)	0.008 (3)	0.009 (3)	0.003 (2)	0.003 (2)	0.006 (2)
O3	0.008 (2)	0.028 (2)	0.023 (2)	0.0044 (18)	0.0016 (17)	0.0158 (19)
N3	0.013 (3)	0.015 (3)	0.031 (3)	0.001 (2)	−0.007 (2)	0.011 (2)
C3	0.006 (3)	0.017 (3)	0.019 (3)	0.003 (2)	−0.002 (2)	0.007 (2)
O4	0.011 (2)	0.018 (2)	0.017 (2)	0.0025 (17)	−0.0001 (16)	0.0118 (17)
C4	0.014 (3)	0.011 (3)	0.017 (3)	0.000 (2)	0.000 (2)	0.006 (2)
O5	0.024 (2)	0.025 (2)	0.013 (2)	0.009 (2)	0.0052 (18)	0.0094 (18)
C5	0.009 (3)	0.010 (3)	0.011 (3)	0.004 (2)	0.001 (2)	0.004 (2)
O6	0.013 (2)	0.034 (3)	0.024 (2)	0.006 (2)	0.0067 (18)	0.009 (2)
C6	0.002 (3)	0.012 (3)	0.016 (3)	0.000 (2)	0.000 (2)	0.003 (2)
O7	0.015 (2)	0.020 (2)	0.025 (2)	0.0090 (19)	0.0016 (18)	0.0157 (19)
C7	0.011 (3)	0.010 (3)	0.015 (3)	0.001 (2)	0.000 (2)	0.005 (2)
O8	0.029 (3)	0.028 (3)	0.024 (2)	0.013 (2)	0.014 (2)	0.019 (2)
C8	0.016 (3)	0.010 (3)	0.015 (3)	0.000 (2)	0.004 (2)	0.007 (2)
O9	0.012 (2)	0.012 (2)	0.025 (2)	−0.0008 (17)	−0.0004 (18)	0.0094 (18)
C9	0.009 (3)	0.015 (3)	0.011 (3)	0.001 (2)	0.002 (2)	0.006 (2)
O10	0.008 (2)	0.015 (2)	0.058 (3)	0.0001 (18)	0.002 (2)	0.014 (2)
C10	0.014 (3)	0.012 (3)	0.017 (3)	0.005 (2)	0.000 (2)	0.009 (2)
O11	0.014 (2)	0.012 (2)	0.023 (2)	0.0053 (17)	−0.0014 (17)	0.0065 (17)
C11	0.015 (3)	0.016 (3)	0.016 (3)	0.008 (2)	0.005 (2)	0.006 (2)
O12	0.007 (2)	0.0083 (19)	0.026 (2)	−0.0029 (16)	0.0017 (17)	0.0053 (17)
C12	0.010 (2)	0.009 (2)	0.010 (2)	0.0017 (17)	−0.0011 (17)	0.0064 (17)
C13	0.010 (3)	0.012 (3)	0.013 (3)	0.005 (2)	0.001 (2)	0.004 (2)
C14	0.011 (3)	0.011 (3)	0.015 (3)	−0.002 (2)	−0.002 (2)	0.009 (2)
C15	0.010 (3)	0.013 (3)	0.019 (3)	−0.004 (2)	0.004 (2)	0.006 (2)
C16	0.005 (3)	0.008 (3)	0.017 (3)	−0.003 (2)	0.001 (2)	0.002 (2)
C17	0.007 (3)	0.012 (3)	0.015 (3)	0.004 (2)	0.000 (2)	0.001 (2)
C18	0.007 (3)	0.009 (3)	0.016 (3)	0.002 (2)	0.001 (2)	0.003 (2)
C19	0.014 (2)	0.014 (2)	0.022 (2)	−0.0006 (19)	−0.0005 (19)	0.0058 (19)
C20	0.020 (3)	0.007 (3)	0.026 (3)	0.004 (2)	0.000 (3)	0.009 (2)
C21	0.009 (3)	0.010 (3)	0.013 (3)	0.006 (2)	0.005 (2)	0.002 (2)
O1W	0.035 (3)	0.040 (3)	0.034 (3)	0.023 (3)	−0.019 (2)	−0.003 (2)
O2W	0.039 (3)	0.030 (3)	0.034 (3)	0.025 (3)	−0.012 (2)	−0.005 (2)
O3W	0.010 (2)	0.023 (3)	0.036 (3)	−0.0082 (19)	−0.0014 (19)	0.008 (2)

Geometric parameters (Å, º) top

Dy1—O1ⁱ	2.367 (4)	O5—C8	1.254 (8)
Dy1—O12ⁱⁱ	2.400 (4)	O5—Dy2^vii	2.488 (5)
Dy1—O7ⁱⁱⁱ	2.423 (4)	C5—C6	1.383 (8)
Dy1—O6	2.500 (5)	C5—C7	1.509 (8)
Dy1—O4	2.545 (4)	O6—C8	1.252 (8)
Dy1—O2W	2.568 (5)	C6—H6	0.9300
Dy1—O1W	2.638 (5)	O7—C14	1.245 (8)
Dy1—O10	2.639 (5)	O7—Dy1ⁱⁱⁱ	2.423 (4)
Dy1—O9	2.804 (4)	O8—C14	1.248 (8)
O1—C1	1.243 (7)	O8—Dy2ⁱⁱⁱ	2.374 (4)
O1—Dy1ⁱ	2.367 (4)	C8—C9	1.512 (8)
N1—C4	1.347 (8)	O9—C15	1.280 (8)
N1—C3	1.350 (8)	C9—C13	1.385 (8)
C1—O2	1.260 (7)	C9—C10	1.396 (8)
C1—C2	1.509 (7)	O10—C15	1.240 (8)
Dy2—O2^iv	2.328 (4)	C10—H10	0.9300
Dy2—O11^v	2.365 (4)	O11—C21	1.255 (7)
Dy2—O8ⁱⁱⁱ	2.374 (4)	O11—Dy2^viii	2.365 (4)
Dy2—O5^vi	2.488 (5)	C11—C12	1.396 (8)
Dy2—O3W	2.490 (5)	C11—H11	0.9300
Dy2—O9	2.511 (5)	O12—C21	1.255 (7)
Dy2—O3	2.528 (4)	O12—Dy1^ix	2.400 (4)
Dy2—O4	2.766 (4)	C12—C13	1.394 (8)
O2—Dy2^iv	2.328 (4)	C12—C14	1.512 (7)
N2—C11	1.333 (8)	C13—H13	0.9300
N2—C10	1.342 (8)	C15—C16	1.508 (8)
C2—C3	1.389 (8)	C16—C17	1.390 (8)
C2—C6	1.394 (8)	C16—C20	1.396 (8)
O3—C7	1.266 (8)	C17—C18	1.390 (8)
N3—C20	1.331 (8)	C17—H17	0.9300
N3—C19	1.334 (8)	C18—C19	1.393 (9)
C3—H3	0.9300	C18—C21	1.521 (8)
O4—C7	1.268 (7)	C19—H19	0.9300
C4—C5	1.389 (8)	C20—H20	0.9300
C4—H4	0.9300

O1ⁱ—Dy1—O12ⁱⁱ	82.54 (15)	C6—C2—C1	121.4 (5)
O1ⁱ—Dy1—O7ⁱⁱⁱ	158.04 (16)	C7—O3—Dy2	99.8 (4)
O12ⁱⁱ—Dy1—O7ⁱⁱⁱ	76.17 (15)	C20—N3—C19	117.8 (5)
O1ⁱ—Dy1—O6	102.09 (15)	N1—C3—C2	121.8 (5)
O12ⁱⁱ—Dy1—O6	73.82 (16)	N1—C3—H3	119.1
O7ⁱⁱⁱ—Dy1—O6	77.22 (16)	C2—C3—H3	119.1
O1ⁱ—Dy1—O4	85.99 (14)	C7—O4—Dy1	129.2 (4)
O12ⁱⁱ—Dy1—O4	71.86 (14)	C7—O4—Dy2	88.5 (3)
O7ⁱⁱⁱ—Dy1—O4	82.37 (14)	Dy1—O4—Dy2	111.28 (15)
O6—Dy1—O4	143.31 (15)	N1—C4—C5	122.6 (5)
O1ⁱ—Dy1—O2W	70.40 (16)	N1—C4—H4	118.7
O12ⁱⁱ—Dy1—O2W	129.71 (17)	C5—C4—H4	118.7
O7ⁱⁱⁱ—Dy1—O2W	128.29 (17)	C8—O5—Dy2^vii	156.0 (4)
O6—Dy1—O2W	71.68 (19)	C6—C5—C4	118.8 (5)
O4—Dy1—O2W	142.88 (17)	C6—C5—C7	122.2 (5)
O1ⁱ—Dy1—O1W	131.15 (16)	C4—C5—C7	119.0 (5)
O12ⁱⁱ—Dy1—O1W	131.70 (17)	C8—O6—Dy1	120.5 (4)
O7ⁱⁱⁱ—Dy1—O1W	69.22 (16)	C5—C6—C2	118.9 (5)
O6—Dy1—O1W	66.56 (18)	C5—C6—H6	120.6
O4—Dy1—O1W	132.45 (16)	C2—C6—H6	120.6
O2W—Dy1—O1W	60.86 (16)	C14—O7—Dy1ⁱⁱⁱ	146.2 (4)
O1ⁱ—Dy1—O10	73.39 (15)	O3—C7—O4	122.3 (5)
O12ⁱⁱ—Dy1—O10	140.94 (16)	O3—C7—C5	119.0 (5)
O7ⁱⁱⁱ—Dy1—O10	121.16 (15)	O4—C7—C5	118.7 (5)
O6—Dy1—O10	140.55 (17)	C14—O8—Dy2ⁱⁱⁱ	139.1 (4)
O4—Dy1—O10	76.12 (16)	O6—C8—O5	125.6 (6)
O2W—Dy1—O10	69.98 (19)	O6—C8—C9	117.8 (5)
O1W—Dy1—O10	86.74 (19)	O5—C8—C9	116.5 (5)
O1ⁱ—Dy1—O9	116.61 (14)	C15—O9—Dy2	126.8 (4)
O12ⁱⁱ—Dy1—O9	127.32 (14)	C15—O9—Dy1	90.3 (3)
O7ⁱⁱⁱ—Dy1—O9	73.78 (14)	Dy2—O9—Dy1	111.11 (15)
O6—Dy1—O9	136.78 (14)	C13—C9—C10	118.8 (5)
O4—Dy1—O9	62.12 (13)	C13—C9—C8	123.5 (5)
O2W—Dy1—O9	102.81 (16)	C10—C9—C8	117.7 (5)
O1W—Dy1—O9	73.47 (16)	C15—O10—Dy1	99.1 (4)
O10—Dy1—O9	47.68 (13)	N2—C10—C9	123.6 (5)
C1—O1—Dy1ⁱ	161.0 (4)	N2—C10—H10	118.2
C4—N1—C3	118.5 (5)	C9—C10—H10	118.2
O1—C1—O2	125.6 (5)	C21—O11—Dy2^viii	133.5 (4)
O1—C1—C2	118.0 (5)	N2—C11—C12	123.8 (6)
O2—C1—C2	116.3 (5)	N2—C11—H11	118.1
O2^iv—Dy2—O11^v	88.94 (15)	C12—C11—H11	118.1
O2^iv—Dy2—O8ⁱⁱⁱ	153.15 (17)	C21—O12—Dy1^ix	147.7 (4)
O11^v—Dy2—O8ⁱⁱⁱ	87.22 (16)	C13—C12—C11	118.5 (5)
O2^iv—Dy2—O5^vi	75.39 (15)	C13—C12—C14	122.8 (5)
O11^v—Dy2—O5^vi	73.93 (15)	C11—C12—C14	118.6 (5)
O8ⁱⁱⁱ—Dy2—O5^vi	78.01 (16)	C9—C13—C12	118.3 (5)
O2^iv—Dy2—O3W	122.91 (16)	C9—C13—H13	120.8
O11^v—Dy2—O3W	68.21 (16)	C12—C13—H13	120.8
O8ⁱⁱⁱ—Dy2—O3W	79.91 (17)	O7—C14—O8	126.2 (5)
O5^vi—Dy2—O3W	136.70 (16)	O7—C14—C12	116.8 (5)
O2^iv—Dy2—O9	88.93 (15)	O8—C14—C12	117.0 (5)
O11^v—Dy2—O9	150.52 (14)	O10—C15—O9	122.1 (5)
O8ⁱⁱⁱ—Dy2—O9	81.60 (15)	O10—C15—C16	120.2 (5)
O5^vi—Dy2—O9	77.09 (14)	O9—C15—C16	117.6 (5)
O3W—Dy2—O9	135.19 (15)	C17—C16—C20	117.9 (5)
O2^iv—Dy2—O3	71.25 (15)	C17—C16—C15	123.0 (5)
O11^v—Dy2—O3	125.98 (15)	C20—C16—C15	119.1 (5)
O8ⁱⁱⁱ—Dy2—O3	130.93 (16)	C16—C17—C18	119.0 (5)
O5^vi—Dy2—O3	139.96 (15)	C16—C17—H17	120.5
O3W—Dy2—O3	81.32 (16)	C18—C17—H17	120.5
O9—Dy2—O3	80.74 (15)	C17—C18—C19	118.4 (5)
O2^iv—Dy2—O4	115.95 (14)	C17—C18—C21	122.6 (5)
O11^v—Dy2—O4	142.05 (14)	C19—C18—C21	118.9 (5)
O8ⁱⁱⁱ—Dy2—O4	81.94 (14)	N3—C19—C18	123.2 (6)
O5^vi—Dy2—O4	137.50 (14)	N3—C19—H19	118.4
O3W—Dy2—O4	74.11 (15)	C18—C19—H19	118.4
O9—Dy2—O4	63.08 (13)	N3—C20—C16	123.7 (5)
O3—Dy2—O4	49.31 (13)	N3—C20—H20	118.2
C1—O2—Dy2^iv	151.0 (4)	C16—C20—H20	118.2
C11—N2—C10	116.9 (5)	O12—C21—O11	126.1 (5)
C3—C2—C6	119.2 (5)	O12—C21—C18	117.6 (5)
C3—C2—C1	119.3 (5)	O11—C21—C18	116.2 (5)

Symmetry codes: (i) −x, −y+1, −z; (ii) x−1, y−1, z; (iii) −x, −y, −z+1; (iv) −x+1, −y+1, −z; (v) x, y−1, z; (vi) x+1, y, z; (vii) x−1, y, z; (viii) x, y+1, z; (ix) x+1, y+1, z.

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Poly[triaqua­tris(μ-4-pyridine-3,5-dicarboxyl­ato)­didysprosium(III)]

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Poly[triaquatris(μ-4-pyridine-3,5-dicarboxylato)didysprosium(III)]