Home Physical Sciences Crystal structure of hexaaquamagnesium(II) bis((E)-4-((4-(dimethylamino)phenyl)diazenyl)benzenesulfonate), C28H40MgN6O12S2
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Crystal structure of hexaaquamagnesium(II) bis((E)-4-((4-(dimethylamino)phenyl)diazenyl)benzenesulfonate), C28H40MgN6O12S2

  • Garam Park , In-Hwan Oh ORCID logo and Seong-Hun Park EMAIL logo
Published/Copyright: September 25, 2019

Abstract

C28H40MgN6O12S2, monoclinic, P21/c (no. 14), a = 6.1988(3) Å, b = 7.1103(4) Å, c = 38.7135(4) Å, β = 91.519(3)°, V = 1705.71(13) Å3, Z = 2, Rgt(F) = 0.0360, wRref(F2) = 0.0755, T = 293 K.

CCDC no.: 1953255

The molecular structure is shown in the figure. Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal:Red-brown blocks
Size:0.60 × 0.55 × 0.50 mm
Wavelength:Mo Kα radiation (0.71073 Å)
μ:0.24 mm−1
Diffractometer, scan mode:Bruker Apex-II, φ and ω
θmax, completeness:30.1°, 99%
N(hkl)measured, N(hkl)unique, Rint:36443, 4256, 0.057
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 2448
N(param)refined:279
Programs:Bruker [1], SIR2014 [2], Diamond [3], JANA2006 [4]
Table 2:

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

AtomxyzUiso*/Ueq
S10.38478(5)0.99721(6)0.562952(9)0.02646(9)
Mg111.50.50.02428(17)
O11.29105(16)1.4965(2)0.52520(3)0.0361(3)
H11.348(3)1.410(2)0.5340(4)0.026(5)*
H21.348(4)1.587(3)0.5288(6)0.063(9)*
O20.14979(15)0.99619(16)0.55905(3)0.0354(3)
O31.1089(2)1.29569(19)0.46638(4)0.0417(5)
H31.046(4)1.208(4)0.4603(6)0.072(8)*
H41.244(4)1.254(3)0.4640(5)0.067(7)*
O40.48006(17)0.82272(17)0.55054(3)0.0387(4)
O50.48066(17)1.16365(16)0.54751(3)0.0377(4)
O60.8912(2)1.28248(19)0.53056(4)0.0429(5)
H50.978(3)1.208(3)0.5371(4)0.036(5)*
H60.776(4)1.235(3)0.5346(5)0.051(6)*
C10.4470(2)1.0059(2)0.60764(4)0.0287(4)
N10.5959(2)1.0025(2)0.71392(4)0.0449(5)
N21.0171(2)1.0140(2)0.86291(4)0.0458(5)
C20.5532(3)1.0124(3)0.67763(4)0.0365(5)
C30.9576(2)1.0166(3)0.82855(4)0.0344(5)
N30.7846(2)1.04135(18)0.72246(4)0.0418(5)
C40.6882(3)0.9653(2)0.78300(5)0.0406(6)
H70.566(4)0.939(3)0.7740(6)0.079(8)*
C50.8328(3)1.0316(2)0.75822(4)0.0384(6)
C60.2972(3)0.9451(2)0.63142(5)0.0369(5)
H80.173(3)0.904(2)0.6225(4)0.029(4)*
C70.7032(3)1.0736(3)0.65360(5)0.0414(6)
H90.829(3)1.121(3)0.6618(5)0.054(6)*
C80.6477(3)1.0715(2)0.61884(5)0.0369(5)
H100.756(3)1.115(3)0.6016(5)0.056(6)*
C90.3515(3)0.9478(2)0.66633(5)0.0404(6)
H110.257(4)0.912(3)0.6846(6)0.067(6)*
C100.7505(3)0.9575(2)0.81709(5)0.0420(6)
H120.626(4)0.891(3)0.8352(6)0.081(7)*
C111.1036(3)1.0734(3)0.80326(5)0.0429(6)
H131.232(5)1.123(4)0.8117(6)0.100(9)*
C121.2288(3)1.0667(3)0.87506(5)0.0515(7)
C131.0399(3)1.0774(3)0.76910(5)0.0460(6)
H141.128(3)1.110(3)0.7484(5)0.052(5)*
C140.8659(3)0.9563(3)0.88868(5)0.0537(7)
H151.2358841.0605030.8998320.0773*
H161.3331420.982280.8657340.0773*
H171.2592581.1927660.8677490.0773*
H180.9299140.973740.9113090.0806*
H190.7372021.0309210.886450.0806*
H200.8302430.8260430.8854030.0806*

Source of material

MgCl2 ⋅ 4 H2O (2 g) was added to a solution of C14H14N3NaO3S (3.2 g) in methanol (250 mL) and the mixture was slowly evaporated. Small red-brown crystals were obtained approximately after a week.

Experimental details

All H atoms were located in a difference Fourier map and refined isotropically except H atoms at methyl group. H atoms at methyl group were refined with Uiso(H) = 1.5Ueq(C).

Comment

An inorganic-organic system may have interesting physical properties, such as low-dimensional magnetism, photovoltaic effects, and thermoelectrical properties [5], [6], [7], [8]. As a part of a preparing process for various systems, we synthesized a series of inorganic-organic layered materials [9], [10], [11], [12].

In the crystal structure, similar to the previous reported transition metal compounds [11], [12], Mg2+ is surrounded by six water molecules and Mg(H2O)6 inorganic layers are located between the methyl orange bilayers. The hydrogen bonds which connect the Mg(H2O)6 groups build a chain along the a-axis. Mg ions are located in slightly distorted octahedral coordination indicated by Mn—O bond distances from 2.028(1) to 2.075(1) Å which are comparable to Ni-compound but compared to Mg-compounds this distance is shorter within the standard deviation (for the Ni-compound, from 2.02 to 2.052 Å and for the Mg-compound, from 2.133 to 2.170 Å, respectively). The organic chains are aligned along the c-axis. Considering the bond lengths, the strength of the O—H⋯O hydrogen bonds in the crystal structure are in the typical range [13]. By analogy to the Ni- and Mn-compounds [11], [12], the C—N bond lengths are shorter than the sum of the single-bond covalent radii, 1.47 Å (N1—C2 = 1.424 Å, N2—C3 = 1.371 Å, N3—C5 = 1.410 Å). A ‘sacrificial’ structure can explain the bond length shorting phenomenon [11], [12], [14], [15], [16]. The distance in the azo-group is 1.239 Å. For Mn-compound, it was 1.255 Å and for Ni-compound, the distance was 1.277 Å [11], [12].

References

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Received: 2019-07-18
Accepted: 2019-09-12
Published Online: 2019-09-25
Published in Print: 2019-12-18

©2019 Garam Park et al., published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 Public License.

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  78. The crystal structure of tert-butyl (tert-butoxy(oxo)methyl)(5-bromo-2-fluorophenyl)carbamate, C16H21BrFNO4
  79. The crystal structure of bis(μ2-5,7-dichloroquinolin-8-olato-κ3N,O:O)-tetrakis(5,7-dichloroquinolin-8-olato-κ2N,O)bis(methanol-κ1O)dieuropium(III) — toluene (1/1), C63H39Cl12Eu2N6O8
  80. Crystal structure of dichlorido-(N′-(1-(3-ethylpyrazin-2-yl)ethylidene)-4-methoxybenzohydrazide-κ3N,N′,O)cadmium(II), C16H18N4O2Cl2Cd
  81. A redetermination of the crystal structure of catena-poly[(bis(O,O′-isopropyl dithiophosphato-κ2S,S′)-(μ2-1,2-bis(3-pyridylmethylene)hydrazine-κ2N,N′)cadmium(II)], {C24H38CdN4O4P2S4}n
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