Potassium tris­(2-amino­ethanesulfonato-κ2N,O)nickelate(II)

Jiang, Y.-M.; Cai, J.-H.; Liu, Z.-M.; Liu, X.-H.

doi:10.1107/S1600536805010846

Potassium tris(2-aminoethanesulfonato-κ²N,O)nickelate(II)

Y.-M. Jiang, J.-H. Cai, Z.-M. Liu and X.-H. Liu

The hydrothermal reaction of Ni(NO₃)₂·2H₂O, KOH and taurine produced the title compound, K[Ni(C₂H₆NSO₃)₃]. The Ni^II atom is chelated by the three taurinate ligands in a deformed octahedral geometry and in a facial manner. Each taurinate ligand bridges two K⁺ ions via its sulfonate group, forming a three-dimensional framework.

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Supporting information

	Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536805010846/ob6493sup1.cif Contains datablocks global, I
	Structure factor file (CIF format) https://doi.org/10.1107/S1600536805010846/ob6493Isup2.hkl Contains datablock I

CCDC reference: 272051

checkCIF report

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.008 Å
R factor = 0.041
wR factor = 0.085
Data-to-parameter ratio = 12.8

checkCIF/PLATON results

No syntax errors found



Alert level C
ABSTM02_ALERT_3_C  The ratio of expected to reported Tmax/Tmin(RR') is < 0.90
            Tmin and Tmax reported:      0.674     0.891
            Tmin' and Tmax expected:      0.760     0.891
            RR' =      0.887
            Please check that your absorption correction is appropriate.
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT061_ALERT_3_C Tmax/Tmin Range Test RR' too Large .............       0.88
PLAT199_ALERT_1_C Check the Reported _cell_measurement_temperature        293 K
PLAT200_ALERT_1_C Check the Reported _diffrn_ambient_temperature .        293 K
PLAT341_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...          8
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         17
            N2  -NI1 -O1  -S1     18.00  0.00   1.555   1.555   1.555   1.555
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         33
            N3  -NI1 -O4  -S2   -169.00  1.10   1.555   1.555   1.555   1.555
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         38
            O5  -S2  -O6  -K1    110.10  1.30   1.555   1.555   1.555   3.565
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         39
            O4  -S2  -O6  -K1    -17.00  1.40   1.555   1.555   1.555   3.565
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         40
            C3  -S2  -O6  -K1   -132.70  1.30   1.555   1.555   1.555   3.565
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         45
            N1  -NI1 -O7  -S3    162.50  1.50   1.555   1.555   1.555   1.555
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         49
            O9  -S3  -O8  -K1     87.30  1.70   1.555   1.555   1.555   2.575
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         50
            O7  -S3  -O8  -K1    -40.30  1.70   1.555   1.555   1.555   2.575
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         51
            C5  -S3  -O8  -K1   -155.40  1.60   1.555   1.555   1.555   2.575
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         56
            O7  -NI1 -N1  -C2     88.70  1.70   1.555   1.555   1.555   1.555
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         65
            O1  -NI1 -N2  -C4     87.10  1.60   1.555   1.555   1.555   1.555
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         72
            O4  -NI1 -N3  -C6     85.80  1.30   1.555   1.555   1.555   1.555
PLAT764_ALERT_4_C Overcomplete CIF Bond List Detected (Rep/Expd) .       1.20 Ratio

Alert level G
REFLT03_ALERT_4_G Please check that the estimate of the number of Friedel pairs is
            correct. If it is not, please give the correct count in the
            _publ_section_exptl_refinement section of the submitted CIF.
           From the CIF: _diffrn_reflns_theta_max           25.03
           From the CIF: _reflns_number_total               2663
           Count of symmetry unique reflns         1507
           Completeness (_total/calc)            176.71%
           TEST3: Check Friedels for noncentro structure
           Estimate of Friedel pairs measured      1156
           Fraction of Friedel pairs measured     0.767
           Are heavy atom types Z>Si present        yes

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
  19 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
   0 ALERT type 2 Indicator that the structure model may be wrong or deficient
   3 ALERT type 3 Indicator that the structure quality may be low
  14 ALERT type 4 Improvement, methodology, query or suggestion

Computing details top

Data collection: CrystalClear (Rigaku, 2000); cell refinement: CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997a); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997a); molecular graphics: SHELXTL (Sheldrick, 1997b); software used to prepare material for publication: SHELXL97.

Potassium tris(2-aminoethanesulfonato-κ²N,O)nickelate(II) top

Crystal data top

K[Ni(C₂H₆NSO₃)₃]	F(000) = 968
M_r = 470.22	D_x = 1.957 Mg m⁻³
Orthorhombic, Pna2₁	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2c -2n	Cell parameters from 4244 reflections
a = 10.712 (9) Å	θ = 2.1–25.0°
b = 15.593 (13) Å	µ = 1.92 mm⁻¹
c = 9.556 (8) Å	T = 293 K
V = 1596 (2) Å³	Prism, blue
Z = 4	0.14 × 0.10 × 0.06 mm

Data collection top

Rigaku Mercury CCD area-detector diffractometer	2663 independent reflections
Radiation source: fine-focus sealed tube	2455 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.057
φ and ω scans	θ_max = 25.0°, θ_min = 2.3°
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)	h = −12→12
T_min = 0.674, T_max = 0.891	k = −18→17
9501 measured reflections	l = −11→11

Refinement top

Refinement on F²	Secondary atom site location: difference Fourier map
Least-squares matrix: full	Hydrogen site location: inferred from neighbouring sites
R[F² > 2σ(F²)] = 0.041	H-atom parameters constrained
wR(F²) = 0.085	w = 1/[σ²(F_o²) + (0.0388P)²] where P = (F_o² + 2F_c²)/3
S = 1.07	(Δ/σ)_max < 0.001
2663 reflections	Δρ_max = 0.50 e Å⁻³
208 parameters	Δρ_min = −0.41 e Å⁻³
1 restraint	Absolute structure: Flack (1983), with 1156 Friedel pairs
Primary atom site location: structure-invariant direct methods	Absolute structure parameter: 0.01 (2)

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
Ni1	0.11777 (5)	0.75823 (4)	0.13266 (10)	0.01409 (16)
S1	0.01450 (12)	0.72529 (8)	−0.17638 (14)	0.0155 (3)
S2	0.02637 (12)	0.60547 (8)	0.33708 (14)	0.0153 (3)
S3	0.02458 (12)	0.93717 (9)	0.26577 (14)	0.0147 (3)
C1	0.0879 (5)	0.6235 (3)	−0.1479 (6)	0.0200 (12)
H1A	0.0391	0.5914	−0.0802	0.024*
H1B	0.0870	0.5915	−0.2350	0.024*
C2	0.2227 (5)	0.6294 (4)	−0.0955 (5)	0.0164 (12)
H2A	0.2621	0.5736	−0.1040	0.020*
H2B	0.2686	0.6694	−0.1537	0.020*
C3	0.1141 (5)	0.6649 (4)	0.4638 (6)	0.0213 (13)
H3A	0.0660	0.7149	0.4912	0.026*
H3B	0.1250	0.6295	0.5464	0.026*
C4	0.2416 (5)	0.6943 (4)	0.4139 (6)	0.0195 (12)
H4A	0.2899	0.7137	0.4938	0.023*
H4B	0.2852	0.6461	0.3725	0.023*
C5	0.1108 (4)	0.9850 (3)	0.1275 (7)	0.0178 (10)
H5A	0.0592	0.9848	0.0441	0.021*
H5B	0.1267	1.0444	0.1518	0.021*
C6	0.2351 (5)	0.9425 (4)	0.0922 (6)	0.0213 (13)
H6A	0.2805	0.9788	0.0273	0.026*
H6B	0.2845	0.9376	0.1769	0.026*
O1	−0.0147 (3)	0.7573 (2)	−0.0330 (4)	0.0158 (8)
O2	0.1025 (3)	0.7812 (2)	−0.2488 (4)	0.0210 (9)
O3	−0.0990 (3)	0.7076 (2)	−0.2557 (4)	0.0225 (9)
O4	−0.0058 (3)	0.6671 (2)	0.2243 (4)	0.0156 (8)
O5	−0.0859 (3)	0.5760 (2)	0.4103 (4)	0.0199 (9)
O6	0.1069 (3)	0.5373 (2)	0.2847 (4)	0.0200 (9)
O7	−0.0072 (3)	0.8485 (2)	0.2175 (4)	0.0175 (8)
O8	0.1081 (3)	0.9351 (2)	0.3878 (4)	0.0172 (8)
O9	−0.0882 (3)	0.9897 (3)	0.2840 (4)	0.0205 (9)
N1	0.2288 (4)	0.6579 (3)	0.0522 (5)	0.0187 (10)
H1C	0.3087	0.6725	0.0688	0.022*
H1D	0.2128	0.6115	0.1052	0.022*
N2	0.2343 (4)	0.7644 (3)	0.3102 (4)	0.0165 (10)
H2C	0.3124	0.7731	0.2786	0.020*
H2D	0.2124	0.8120	0.3575	0.020*
N3	0.2199 (4)	0.8559 (3)	0.0291 (5)	0.0204 (10)
H3C	0.2971	0.8352	0.0136	0.024*
H3D	0.1843	0.8634	−0.0553	0.024*
K1	−0.24870 (10)	1.08747 (7)	0.13525 (14)	0.0177 (2)

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Ni1	0.0136 (3)	0.0124 (3)	0.0162 (3)	−0.0010 (3)	0.0009 (3)	−0.0014 (3)
S1	0.0163 (7)	0.0137 (7)	0.0163 (7)	−0.0011 (6)	0.0019 (6)	−0.0013 (6)
S2	0.0139 (7)	0.0110 (7)	0.0211 (7)	−0.0007 (5)	0.0027 (6)	−0.0018 (6)
S3	0.0161 (6)	0.0135 (7)	0.0145 (6)	0.0007 (5)	0.0007 (6)	−0.0007 (5)
C1	0.027 (3)	0.012 (3)	0.022 (3)	−0.005 (2)	0.001 (3)	−0.002 (2)
C2	0.018 (3)	0.014 (3)	0.017 (3)	0.004 (2)	0.009 (2)	−0.003 (2)
C3	0.028 (3)	0.022 (3)	0.014 (3)	0.000 (3)	−0.002 (2)	−0.002 (2)
C4	0.016 (3)	0.020 (3)	0.023 (3)	0.003 (2)	−0.003 (2)	−0.003 (2)
C5	0.019 (2)	0.014 (2)	0.020 (2)	0.001 (2)	0.002 (3)	0.009 (3)
C6	0.018 (3)	0.019 (3)	0.027 (3)	−0.003 (2)	0.005 (2)	0.001 (2)
O1	0.0162 (18)	0.014 (2)	0.0174 (18)	0.0033 (16)	0.0002 (16)	−0.0034 (15)
O2	0.024 (2)	0.018 (2)	0.021 (2)	−0.0032 (16)	0.0041 (18)	−0.0003 (16)
O3	0.020 (2)	0.024 (2)	0.023 (2)	−0.0020 (17)	−0.0040 (18)	−0.0064 (17)
O4	0.0160 (19)	0.0137 (19)	0.017 (2)	0.0012 (16)	−0.0018 (15)	−0.0012 (15)
O5	0.016 (2)	0.016 (2)	0.028 (2)	−0.0016 (16)	0.0025 (17)	0.0027 (17)
O6	0.020 (2)	0.014 (2)	0.026 (2)	0.0041 (16)	0.0009 (16)	−0.0021 (16)
O7	0.0144 (19)	0.015 (2)	0.023 (2)	−0.0004 (16)	0.0008 (16)	−0.0035 (16)
O8	0.0137 (19)	0.017 (2)	0.021 (2)	−0.0008 (16)	−0.0047 (15)	−0.0007 (15)
O9	0.0162 (19)	0.023 (2)	0.023 (2)	0.0043 (16)	−0.0009 (16)	0.0014 (16)
N1	0.016 (2)	0.016 (3)	0.024 (3)	−0.003 (2)	0.003 (2)	0.0006 (19)
N2	0.011 (2)	0.019 (2)	0.020 (2)	−0.0001 (19)	−0.0007 (19)	−0.0024 (18)
N3	0.018 (2)	0.023 (3)	0.020 (2)	0.000 (2)	0.008 (2)	−0.005 (2)
K1	0.0181 (6)	0.0160 (5)	0.0192 (5)	0.0013 (5)	0.0005 (6)	−0.0013 (6)

Geometric parameters (Å, º) top

Ni1—N1	2.110 (4)	C4—N2	1.477 (7)
Ni1—N2	2.108 (4)	C4—H4A	0.9700
Ni1—N3	2.120 (5)	C4—H4B	0.9700
Ni1—O1	2.126 (4)	C5—C6	1.525 (7)
Ni1—O4	2.130 (4)	C5—H5A	0.9700
Ni1—O7	2.105 (4)	C5—H5B	0.9700
S1—O2	1.459 (4)	C6—N3	1.487 (7)
S1—O3	1.459 (4)	C6—H6A	0.9700
S1—O1	1.491 (4)	C6—H6B	0.9700
S1—C1	1.793 (6)	O2—K1ⁱ	2.806 (4)
S2—O6	1.458 (4)	O3—K1ⁱⁱ	2.693 (4)
S2—O5	1.466 (4)	O5—K1ⁱⁱⁱ	2.791 (4)
S2—O4	1.485 (4)	O6—K1^iv	2.866 (4)
S2—C3	1.791 (6)	O8—K1^v	2.826 (4)
S3—O8	1.470 (4)	O9—K1	2.702 (4)
S3—O9	1.470 (4)	N1—H1C	0.9000
S3—O7	1.496 (4)	N1—H1D	0.9000
S3—C5	1.776 (6)	N2—H2C	0.9000
C1—C2	1.531 (7)	N2—H2D	0.9000
C1—H1A	0.9700	N3—H3C	0.9000
C1—H1B	0.9700	N3—H3D	0.9000
C2—N1	1.482 (7)	K1—O2^v	2.806 (4)
C2—H2A	0.9700	K1—O3^vi	2.693 (4)
C2—H2B	0.9700	K1—O5^vii	2.791 (4)
C3—C4	1.518 (7)	K1—O6^viii	2.866 (4)
C3—H3A	0.9700	K1—O8ⁱ	2.826 (4)
C3—H3B	0.9700	K1—O9	2.702 (4)

O7—Ni1—N2	92.05 (17)	H4A—C4—H4B	107.8
O7—Ni1—N1	174.01 (16)	C6—C5—S3	115.9 (4)
N2—Ni1—N1	89.62 (17)	C6—C5—H5A	108.3
O7—Ni1—N3	91.56 (17)	S3—C5—H5A	108.3
N2—Ni1—N3	92.13 (18)	C6—C5—H5B	108.3
N1—Ni1—N3	94.12 (18)	S3—C5—H5B	108.3
O7—Ni1—O1	82.36 (14)	H5A—C5—H5B	107.4
N2—Ni1—O1	174.03 (15)	N3—C6—C5	112.8 (4)
N1—Ni1—O1	95.74 (16)	N3—C6—H6A	109.0
N3—Ni1—O1	90.10 (17)	C5—C6—H6A	109.0
O7—Ni1—O4	83.85 (15)	N3—C6—H6B	109.0
N2—Ni1—O4	93.88 (16)	C5—C6—H6B	109.0
N1—Ni1—O4	90.30 (16)	H6A—C6—H6B	107.8
N3—Ni1—O4	172.56 (16)	S1—O1—Ni1	123.1 (2)
O1—Ni1—O4	83.50 (14)	S1—O2—K1ⁱ	169.8 (2)
O2—S1—O3	113.9 (2)	S1—O3—K1ⁱⁱ	146.9 (2)
O2—S1—O1	111.8 (2)	S2—O4—Ni1	125.9 (2)
O3—S1—O1	111.5 (2)	S2—O5—K1ⁱⁱⁱ	150.3 (2)
O2—S1—C1	108.6 (2)	S2—O6—K1^iv	170.2 (2)
O3—S1—C1	106.0 (2)	S3—O7—Ni1	126.3 (2)
O1—S1—C1	104.4 (2)	S3—O8—K1^v	172.3 (2)
O6—S2—O5	114.9 (2)	S3—O9—K1	140.8 (2)
O6—S2—O4	111.1 (2)	C2—N1—Ni1	123.0 (3)
O5—S2—O4	111.1 (2)	C2—N1—H1C	106.6
O6—S2—C3	107.4 (3)	Ni1—N1—H1C	106.6
O5—S2—C3	105.7 (2)	C2—N1—H1D	106.6
O4—S2—C3	106.1 (3)	Ni1—N1—H1D	106.6
O8—S3—O9	114.7 (2)	H1C—N1—H1D	106.5
O8—S3—O7	111.3 (2)	C4—N2—Ni1	122.5 (3)
O9—S3—O7	111.4 (2)	C4—N2—H2C	106.7
O8—S3—C5	106.4 (3)	Ni1—N2—H2C	106.7
O9—S3—C5	106.3 (2)	C4—N2—H2D	106.7
O7—S3—C5	106.1 (2)	Ni1—N2—H2D	106.7
C2—C1—S1	114.2 (4)	H2C—N2—H2D	106.6
C2—C1—H1A	108.7	C6—N3—Ni1	121.3 (3)
S1—C1—H1A	108.7	C6—N3—H3C	107.0
C2—C1—H1B	108.7	Ni1—N3—H3C	107.0
S1—C1—H1B	108.7	C6—N3—H3D	107.0
H1A—C1—H1B	107.6	Ni1—N3—H3D	107.0
N1—C2—C1	111.8 (4)	H3C—N3—H3D	106.7
N1—C2—H2A	109.3	O3^vi—K1—O9	125.05 (13)
C1—C2—H2A	109.3	O3^vi—K1—O5^vii	87.59 (12)
N1—C2—H2B	109.3	O9—K1—O5^vii	140.61 (12)
C1—C2—H2B	109.3	O3^vi—K1—O2^v	71.21 (13)
H2A—C2—H2B	107.9	O9—K1—O2^v	81.29 (13)
C4—C3—S2	114.6 (4)	O5^vii—K1—O2^v	134.85 (12)
C4—C3—H3A	108.6	O3^vi—K1—O8ⁱ	137.16 (12)
S2—C3—H3A	108.6	O9—K1—O8ⁱ	91.75 (12)
C4—C3—H3B	108.6	O5^vii—K1—O8ⁱ	71.70 (13)
S2—C3—H3B	108.6	O2^v—K1—O8ⁱ	97.12 (12)
H3A—C3—H3B	107.6	O3^vi—K1—O6^viii	87.27 (13)
N2—C4—C3	112.8 (4)	O9—K1—O6^viii	72.45 (12)
N2—C4—H4A	109.0	O5^vii—K1—O6^viii	89.87 (12)
C3—C4—H4A	109.0	O2^v—K1—O6^viii	126.84 (12)
N2—C4—H4B	109.0	O8ⁱ—K1—O6^viii	128.31 (12)
C3—C4—H4B	109.0

O2—S1—C1—C2	44.1 (5)	C3—S2—O6—K1^iv	−132.7 (13)
O3—S1—C1—C2	166.9 (4)	O8—S3—O7—Ni1	−65.6 (3)
O1—S1—C1—C2	−75.2 (4)	O9—S3—O7—Ni1	165.1 (2)
S1—C1—C2—N1	72.5 (5)	C5—S3—O7—Ni1	49.8 (3)
O6—S2—C3—C4	51.2 (5)	N2—Ni1—O7—S3	56.4 (3)
O5—S2—C3—C4	174.2 (4)	N1—Ni1—O7—S3	162.5 (15)
O4—S2—C3—C4	−67.8 (5)	N3—Ni1—O7—S3	−35.8 (3)
S2—C3—C4—N2	72.0 (6)	O1—Ni1—O7—S3	−125.7 (3)
O8—S3—C5—C6	55.5 (5)	O4—Ni1—O7—S3	150.1 (3)
O9—S3—C5—C6	178.2 (4)	O9—S3—O8—K1^v	87.3 (17)
O7—S3—C5—C6	−63.1 (5)	O7—S3—O8—K1^v	−40.3 (17)
S3—C5—C6—N3	68.4 (6)	C5—S3—O8—K1^v	−155.4 (16)
O2—S1—O1—Ni1	−68.5 (3)	O8—S3—O9—K1	149.1 (3)
O3—S1—O1—Ni1	162.7 (2)	O7—S3—O9—K1	−83.3 (4)
C1—S1—O1—Ni1	48.7 (3)	C5—S3—O9—K1	31.8 (4)
O7—Ni1—O1—S1	160.8 (3)	C1—C2—N1—Ni1	−42.9 (6)
N2—Ni1—O1—S1	−179 (56)	O7—Ni1—N1—C2	88.7 (17)
N1—Ni1—O1—S1	−24.9 (3)	N2—Ni1—N1—C2	−165.1 (4)
N3—Ni1—O1—S1	69.2 (3)	N3—Ni1—N1—C2	−73.0 (4)
O4—Ni1—O1—S1	−114.6 (3)	O1—Ni1—N1—C2	17.6 (4)
O3—S1—O2—K1ⁱ	89.7 (13)	O4—Ni1—N1—C2	101.0 (4)
O1—S1—O2—K1ⁱ	−37.8 (14)	C3—C4—N2—Ni1	−49.8 (6)
C1—S1—O2—K1ⁱ	−152.5 (13)	O7—Ni1—N2—C4	107.3 (4)
O2—S1—O3—K1ⁱⁱ	124.7 (4)	N1—Ni1—N2—C4	−66.9 (4)
O1—S1—O3—K1ⁱⁱ	−107.7 (4)	N3—Ni1—N2—C4	−161.0 (4)
C1—S1—O3—K1ⁱⁱ	5.4 (5)	O1—Ni1—N2—C4	87.1 (16)
O6—S2—O4—Ni1	−72.0 (3)	O4—Ni1—N2—C4	23.3 (4)
O5—S2—O4—Ni1	158.8 (2)	C5—C6—N3—Ni1	−55.7 (6)
C3—S2—O4—Ni1	44.4 (3)	O7—Ni1—N3—C6	34.0 (4)
O7—Ni1—O4—S2	−116.8 (3)	N2—Ni1—N3—C6	−58.1 (4)
N2—Ni1—O4—S2	−25.2 (3)	N1—Ni1—N3—C6	−147.8 (4)
N1—Ni1—O4—S2	64.5 (3)	O1—Ni1—N3—C6	116.4 (4)
N3—Ni1—O4—S2	−169.0 (11)	O4—Ni1—N3—C6	85.8 (13)
O1—Ni1—O4—S2	160.2 (3)	S3—O9—K1—O3^vi	−160.0 (3)
O6—S2—O5—K1ⁱⁱⁱ	135.6 (4)	S3—O9—K1—O5^vii	59.3 (4)
O4—S2—O5—K1ⁱⁱⁱ	−97.2 (4)	S3—O9—K1—O2^v	−100.3 (4)
C3—S2—O5—K1ⁱⁱⁱ	17.4 (5)	S3—O9—K1—O8ⁱ	−3.4 (4)
O5—S2—O6—K1^iv	110.1 (13)	S3—O9—K1—O6^viii	126.4 (4)
O4—S2—O6—K1^iv	−17.0 (14)

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

Hydrogen-bond geometry (Å, º) top

D—H···A	D—H	H···A	D···A	D—H···A
N1—H1D···O6	0.90	2.36	3.190 (6)	154
N2—H2D···O8	0.90	2.24	3.076 (6)	154
N3—H3D···O2	0.90	2.41	3.161 (6)	140

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Potassium tris­(2-amino­ethanesulfonato-κ2N,O)nickelate(II)

Supporting information

Key indicators

checkCIF/PLATON results

Potassium tris(2-aminoethanesulfonato-κ²N,O)nickelate(II)