Propan-1-aminium 3,4,5,6-tetra­chloro-2-(meth­oxy­carbon­yl)benzoate

Li, J.

doi:10.1107/S1600536811004879

organic compounds

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Volume 67| Part 3| March 2011| Page o630

doi:10.1107/S1600536811004879

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Propan-1-aminium 3,4,5,6-tetrachloro-2-(methoxycarbonyl)benzoate

Jian Li ^a ^*

^aDepartment of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, People's Republic of China
^*Correspondence e-mail: ljwfu@163.com

(Received 28 January 2011; accepted 9 February 2011; online 12 February 2011)

In the anion of the title salt, C₃H₁₀N⁺·C₉H₃Cl₄O₄⁻, the methoxycarbonyl and carboxyl groups are aligned at dihedral angles of 57.8 (3) and 62.5 (3)°, respectively, with the aromatic ring. In the crystal, the cations and anions are linked by N—H⋯O hydrogen bonds, generating chains running aong the c axis.

Related literature

For related structures, see: Li (2011 ); Liang (2008 ).

Experimental

Crystal data

C₃H₁₀N⁺·C₉H₃Cl₄O₄⁻
M_r = 377.03
Monoclinic, C 2/c
a = 28.387 (3) Å
b = 14.9600 (13) Å
c = 7.8054 (6) Å
β = 93.216 (1)°
V = 3309.5 (5) Å³
Z = 8
Mo Kα radiation
μ = 0.73 mm⁻¹
T = 298 K
0.47 × 0.32 × 0.23 mm

Data collection

Bruker SMART diffractometer
Absorption correction: multi-scan (SADABS; Bruker, 1997 ) T_min = 0.726, T_max = 0.851
8267 measured reflections
2920 independent reflections
1405 reflections with I > 2σ(I)
R_int = 0.069

Refinement

R[F² > 2σ(F²)] = 0.054
wR(F²) = 0.135
S = 1.02
2920 reflections
193 parameters
H-atom parameters constrained
Δρ_max = 0.37 e Å⁻³
Δρ_min = −0.20 e Å⁻³

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O4	0.89	2.22	2.938 (4)	137
N1—H1A⋯O4ⁱ	0.89	2.41	2.984 (4)	123
N1—H1B⋯O3ⁱⁱ	0.89	1.98	2.845 (4)	164
N1—H1C⋯O3ⁱⁱⁱ	0.89	2.05	2.894 (4)	159
Symmetry codes: (i) $[-x+1, y, -z+{\script{1\over 2}}]$ ; (ii) -x+1, -y+1, -z+1; (iii) $[-x+1, y, -z+{\script{3\over 2}}]$ .

Data collection: SMART (Bruker, 1997); cell refinement: SAINT (Bruker, 1997); 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) and PLATON (Spek, 2009 ); software used to prepare material for publication: SHELXTL.

Supporting information

Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536811004879/ng5113sup1.cif

Structure factors: contains datablock I. DOI: 10.1107/S1600536811004879/ng5113Isup2.hkl

checkCIF report

Comment top

We have been studying synthesis of 4,5,6,7-tetrachloro-2-propylisoindoline-1,3-dione. In the present work, the reaction of 2-(methoxycarbonyl)-3,4,5,6-tetrachlorobenzoic acid and propylamine in methanol is expected to yield 4,5,6,7-tetrachloro-2-propylisoindoline-1,3-dione. However, the product is propylaminium 2-(methoxycarbonyl)-3,4,5,6-tetrachlorobenzoate (Scheme I, Fig. 1), the reason may be shorter time and cooler temperature in the reaction. The asymmetric unit of the title compound (I) contains one propylaminium cation and one 2-(methoxycarbonyl)-3,4,5,6-tetrachlorobenzoate anion (Fig. 1). The cation adopts N—C—C—C torsion angle of -178.6 (3) °, the dihedral angles of benzene ring with the methoxycarbonyl and carboxylate groups are 57.8 (3) and 62.5 (3) °, respectively, in the antion. The bond lengths and angles are in agreement with those in ethylammonium 2-(methoxycarbonyl)-3,4,5,6-tetrabromobenzoate methanol solvate (Li, 2011) and in ethane-1,2-diammonium bis(2-(methoxycarbonyl)-3,4,5,6-tetrabromobenzoate) methanol solvate (Liang, 2008). In the crystal structure the cations and anions are connected by intermolecular N—H···O hydrogen bonds into one-dimensional chains along [001](Fig. 2 and Table 1).

Related literature top

For related structures, see: Li (2011); Liang (2008).

Experimental top

A mixture of 4,5,6,7-tetrachloroisobenzofuran-1,3-dione (2.86 g, 0.01 mol) and methanol (15 ml) was refluxed for 0.5 h. And then Propylamine (0.59 g, 0.01 mol) was added to the above solution, being mixed round for 10 min at room temperature. And then the solution was kept at room temperature for 5 d. Natural evaporation gave colourless single crystals of the title compound, suitable for X-ray analysis.

Computing details top

Data collection: SMART (Bruker, 1997); cell refinement: SAINT (Bruker, 1997); data reduction: SAINT (Bruker, 1997); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009); software used to prepare material for publication: SHELXTL (Bruker, 1997).

Figures top

	Fig. 1. The molecular structure of (I), drawn with 30% probability ellipsoids.
	Fig. 2. The crystal packing of (I), viewed along c axis. Hydrogen bonds are indicated by dashed lines.

Propan-1-aminium 3,4,5,6-tetrachloro-2-(methoxycarbonyl)benzoate top

Crystal data top

C₃H₁₀N⁺·C₉H₃Cl₄O₄⁻	F(000) = 1536
M_r = 377.03	D_x = 1.513 Mg m⁻³
Monoclinic, C2/c	Mo Kα radiation, λ = 0.71073 Å
a = 28.387 (3) Å	Cell parameters from 1429 reflections
b = 14.9600 (13) Å	θ = 2.9–23.7°
c = 7.8054 (6) Å	µ = 0.73 mm⁻¹
β = 93.216 (1)°	T = 298 K
V = 3309.5 (5) Å³	Block, colorless
Z = 8	0.47 × 0.32 × 0.23 mm

Data collection top

Bruker SMART diffractometer	2920 independent reflections
Radiation source: fine-focus sealed tube	1405 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.069
ϕ and ω scans	θ_max = 25.0°, θ_min = 2.6°
Absorption correction: multi-scan (SADABS; Bruker, 1997)	h = −23→33
T_min = 0.726, T_max = 0.851	k = −17→17
8267 measured reflections	l = −9→9

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)] = 0.054	Hydrogen site location: inferred from neighbouring sites
wR(F²) = 0.135	H-atom parameters constrained
S = 1.02	w = 1/[σ²(F_o²) + (0.0475P)²] where P = (F_o² + 2F_c²)/3
2920 reflections	(Δ/σ)_max < 0.001
193 parameters	Δρ_max = 0.37 e Å⁻³
0 restraints	Δρ_min = −0.20 e Å⁻³

Crystal data top

C₃H₁₀N⁺·C₉H₃Cl₄O₄⁻	V = 3309.5 (5) Å³
M_r = 377.03	Z = 8
Monoclinic, C2/c	Mo Kα radiation
a = 28.387 (3) Å	µ = 0.73 mm⁻¹
b = 14.9600 (13) Å	T = 298 K
c = 7.8054 (6) Å	0.47 × 0.32 × 0.23 mm
β = 93.216 (1)°

Data collection top

Bruker SMART diffractometer	2920 independent reflections
Absorption correction: multi-scan (SADABS; Bruker, 1997)	1405 reflections with I > 2σ(I)
T_min = 0.726, T_max = 0.851	R_int = 0.069
8267 measured reflections

Refinement top

R[F² > 2σ(F²)] = 0.054	0 restraints
wR(F²) = 0.135	H-atom parameters constrained
S = 1.02	Δρ_max = 0.37 e Å⁻³
2920 reflections	Δρ_min = −0.20 e Å⁻³
193 parameters

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
Cl1	0.50360 (3)	0.81553 (7)	0.52072 (18)	0.0958 (5)
Cl2	0.55595 (5)	0.99424 (7)	0.6113 (3)	0.1375 (7)
Cl3	0.66359 (4)	0.99436 (7)	0.6998 (2)	0.1342 (7)
Cl4	0.72101 (4)	0.81799 (7)	0.68593 (18)	0.0961 (5)
N1	0.44237 (10)	0.58365 (18)	0.4533 (4)	0.0630 (9)
H1A	0.4637	0.6137	0.3968	0.095*
H1B	0.4443	0.5257	0.4286	0.095*
H1C	0.4480	0.5915	0.5657	0.095*
O1	0.68601 (9)	0.63305 (17)	0.7732 (4)	0.0749 (8)
O2	0.66423 (10)	0.5995 (2)	0.5002 (4)	0.0908 (10)
O3	0.56435 (9)	0.59345 (17)	0.6786 (4)	0.0749 (8)
O4	0.54157 (9)	0.63029 (17)	0.4104 (4)	0.0710 (8)
C1	0.66366 (13)	0.6473 (3)	0.6217 (7)	0.0604 (11)
C2	0.56159 (12)	0.6450 (2)	0.5521 (6)	0.0530 (10)
C3	0.63685 (11)	0.7345 (2)	0.6219 (5)	0.0527 (10)
C4	0.58827 (12)	0.7341 (2)	0.5810 (5)	0.0522 (9)
C5	0.56380 (12)	0.8150 (2)	0.5743 (5)	0.0665 (12)
C6	0.58697 (14)	0.8952 (2)	0.6135 (6)	0.0797 (14)
C7	0.63492 (14)	0.8952 (2)	0.6518 (6)	0.0779 (13)
C8	0.66020 (12)	0.8156 (2)	0.6525 (5)	0.0619 (11)
C9	0.71825 (15)	0.5576 (3)	0.7804 (7)	0.1017 (16)
H9A	0.7007	0.5031	0.7637	0.153*
H9B	0.7352	0.5562	0.8904	0.153*
H9C	0.7402	0.5635	0.6919	0.153*
C10	0.39403 (12)	0.6172 (2)	0.4012 (5)	0.0634 (11)
H10A	0.3714	0.5914	0.4756	0.076*
H10B	0.3856	0.5984	0.2846	0.076*
C11	0.39174 (14)	0.7179 (2)	0.4118 (5)	0.0731 (12)
H11A	0.4139	0.7436	0.3354	0.088*
H11B	0.4010	0.7367	0.5278	0.088*
C12	0.34187 (16)	0.7531 (3)	0.3628 (6)	0.0944 (15)
H12A	0.3335	0.7382	0.2454	0.142*
H12B	0.3413	0.8168	0.3767	0.142*
H12C	0.3197	0.7262	0.4357	0.142*

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Cl1	0.0429 (6)	0.0713 (7)	0.1698 (14)	0.0085 (5)	−0.0226 (7)	−0.0073 (7)
Cl2	0.0788 (9)	0.0531 (7)	0.276 (2)	0.0161 (6)	−0.0340 (11)	−0.0109 (9)
Cl3	0.0782 (9)	0.0619 (7)	0.259 (2)	−0.0211 (6)	−0.0221 (10)	−0.0134 (9)
Cl4	0.0379 (6)	0.0906 (8)	0.1587 (13)	−0.0099 (5)	−0.0041 (7)	−0.0034 (8)
N1	0.053 (2)	0.0559 (18)	0.080 (2)	−0.0011 (15)	0.0030 (17)	−0.0029 (17)
O1	0.0562 (17)	0.0818 (19)	0.085 (2)	0.0207 (14)	−0.0071 (16)	0.0062 (16)
O2	0.087 (2)	0.090 (2)	0.094 (3)	0.0328 (17)	−0.0111 (18)	−0.0228 (19)
O3	0.085 (2)	0.0574 (17)	0.083 (2)	−0.0072 (14)	0.0046 (16)	0.0042 (16)
O4	0.0572 (17)	0.0811 (19)	0.073 (2)	−0.0115 (14)	−0.0083 (15)	−0.0113 (16)
C1	0.041 (2)	0.059 (3)	0.081 (4)	0.0008 (19)	−0.001 (2)	0.002 (2)
C2	0.035 (2)	0.050 (2)	0.075 (3)	−0.0007 (17)	0.005 (2)	0.000 (2)
C3	0.039 (2)	0.048 (2)	0.071 (3)	0.0034 (18)	−0.0019 (18)	0.0013 (19)
C4	0.042 (2)	0.048 (2)	0.067 (3)	−0.0035 (18)	−0.0029 (18)	0.0037 (19)
C5	0.038 (2)	0.054 (2)	0.106 (4)	0.0011 (18)	−0.008 (2)	−0.001 (2)
C6	0.047 (3)	0.049 (2)	0.141 (4)	0.0082 (19)	−0.010 (3)	−0.002 (2)
C7	0.053 (3)	0.049 (2)	0.130 (4)	−0.009 (2)	−0.009 (3)	0.002 (2)
C8	0.033 (2)	0.062 (2)	0.090 (3)	−0.0047 (18)	−0.003 (2)	0.003 (2)
C9	0.071 (3)	0.101 (3)	0.132 (4)	0.040 (3)	−0.002 (3)	0.032 (3)
C10	0.050 (2)	0.059 (2)	0.081 (3)	−0.0034 (18)	0.000 (2)	−0.002 (2)
C11	0.076 (3)	0.062 (3)	0.081 (3)	−0.005 (2)	0.000 (2)	0.002 (2)
C12	0.080 (3)	0.087 (3)	0.115 (4)	0.022 (3)	−0.005 (3)	0.005 (3)

Geometric parameters (Å, º) top

Cl1—C5	1.736 (3)	C4—C5	1.396 (4)
Cl2—C6	1.724 (4)	C5—C6	1.393 (5)
Cl3—C7	1.723 (4)	C6—C7	1.377 (5)
Cl4—C8	1.732 (3)	C7—C8	1.391 (5)
N1—C10	1.496 (4)	C9—H9A	0.9600
N1—H1A	0.8900	C9—H9B	0.9600
N1—H1B	0.8900	C9—H9C	0.9600
N1—H1C	0.8900	C10—C11	1.510 (5)
O1—C1	1.327 (5)	C10—H10A	0.9700
O1—C9	1.453 (4)	C10—H10B	0.9700
O2—C1	1.189 (4)	C11—C12	1.538 (5)
O3—C2	1.251 (4)	C11—H11A	0.9700
O4—C2	1.234 (4)	C11—H11B	0.9700
C1—C3	1.511 (5)	C12—H12A	0.9600
C2—C4	1.544 (5)	C12—H12B	0.9600
C3—C8	1.396 (4)	C12—H12C	0.9600
C3—C4	1.398 (4)

C10—N1—H1A	109.5	C7—C8—C3	120.2 (3)
C10—N1—H1B	109.5	C7—C8—Cl4	119.5 (3)
H1A—N1—H1B	109.5	C3—C8—Cl4	120.2 (3)
C10—N1—H1C	109.5	O1—C9—H9A	109.5
H1A—N1—H1C	109.5	O1—C9—H9B	109.5
H1B—N1—H1C	109.5	H9A—C9—H9B	109.5
C1—O1—C9	115.3 (3)	O1—C9—H9C	109.5
O2—C1—O1	126.0 (4)	H9A—C9—H9C	109.5
O2—C1—C3	123.4 (4)	H9B—C9—H9C	109.5
O1—C1—C3	110.7 (4)	N1—C10—C11	111.2 (3)
O4—C2—O3	127.1 (3)	N1—C10—H10A	109.4
O4—C2—C4	118.8 (4)	C11—C10—H10A	109.4
O3—C2—C4	114.1 (4)	N1—C10—H10B	109.4
C8—C3—C4	119.7 (3)	C11—C10—H10B	109.4
C8—C3—C1	121.1 (3)	H10A—C10—H10B	108.0
C4—C3—C1	119.1 (3)	C10—C11—C12	111.7 (3)
C5—C4—C3	119.1 (3)	C10—C11—H11A	109.3
C5—C4—C2	120.3 (3)	C12—C11—H11A	109.3
C3—C4—C2	120.5 (3)	C10—C11—H11B	109.3
C6—C5—C4	120.7 (3)	C12—C11—H11B	109.3
C6—C5—Cl1	119.7 (3)	H11A—C11—H11B	107.9
C4—C5—Cl1	119.6 (3)	C11—C12—H12A	109.5
C7—C6—C5	119.8 (3)	C11—C12—H12B	109.5
C7—C6—Cl2	120.0 (3)	H12A—C12—H12B	109.5
C5—C6—Cl2	120.2 (3)	C11—C12—H12C	109.5
C6—C7—C8	120.2 (3)	H12A—C12—H12C	109.5
C6—C7—Cl3	119.8 (3)	H12B—C12—H12C	109.5
C8—C7—Cl3	120.0 (3)

C9—O1—C1—O2	7.9 (6)	C4—C5—C6—C7	2.9 (7)
C9—O1—C1—C3	−171.6 (3)	Cl1—C5—C6—C7	−178.3 (4)
O2—C1—C3—C8	−119.1 (4)	C4—C5—C6—Cl2	−178.0 (3)
O1—C1—C3—C8	60.5 (5)	Cl1—C5—C6—Cl2	0.8 (6)
O2—C1—C3—C4	57.3 (6)	C5—C6—C7—C8	−0.4 (7)
O1—C1—C3—C4	−123.1 (4)	Cl2—C6—C7—C8	−179.5 (4)
C8—C3—C4—C5	−1.0 (6)	C5—C6—C7—Cl3	179.9 (4)
C1—C3—C4—C5	−177.4 (4)	Cl2—C6—C7—Cl3	0.7 (6)
C8—C3—C4—C2	−178.1 (4)	C6—C7—C8—C3	−2.8 (7)
C1—C3—C4—C2	5.5 (6)	Cl3—C7—C8—C3	176.9 (3)
O4—C2—C4—C5	64.5 (5)	C6—C7—C8—Cl4	175.4 (4)
O3—C2—C4—C5	−117.7 (4)	Cl3—C7—C8—Cl4	−4.9 (6)
O4—C2—C4—C3	−118.5 (4)	C4—C3—C8—C7	3.5 (6)
O3—C2—C4—C3	59.3 (5)	C1—C3—C8—C7	179.8 (4)
C3—C4—C5—C6	−2.2 (6)	C4—C3—C8—Cl4	−174.7 (3)
C2—C4—C5—C6	174.9 (4)	C1—C3—C8—Cl4	1.6 (5)
C3—C4—C5—Cl1	179.1 (3)	N1—C10—C11—C12	−178.6 (3)
C2—C4—C5—Cl1	−3.8 (5)

Hydrogen-bond geometry (Å, º) top

D—H···A	D—H	H···A	D···A	D—H···A
N1—H1A···O4	0.89	2.22	2.938 (4)	137
N1—H1A···O4ⁱ	0.89	2.41	2.984 (4)	123
N1—H1B···O3ⁱⁱ	0.89	1.98	2.845 (4)	164
N1—H1C···O3ⁱⁱⁱ	0.89	2.05	2.894 (4)	159

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

Experimental details

Crystal data
Chemical formula	C₃H₁₀N⁺·C₉H₃Cl₄O₄⁻
M_r	377.03
Crystal system, space group	Monoclinic, C2/c
Temperature (K)	298
a, b, c (Å)	28.387 (3), 14.9600 (13), 7.8054 (6)
β (°)	93.216 (1)
V (Å³)	3309.5 (5)
Z	8
Radiation type	Mo Kα
µ (mm⁻¹)	0.73
Crystal size (mm)	0.47 × 0.32 × 0.23

Data collection
Diffractometer	Bruker SMART diffractometer
Absorption correction	Multi-scan (SADABS; Bruker, 1997)
T_min, T_max	0.726, 0.851
No. of measured, independent and observed [I > 2σ(I)] reflections	8267, 2920, 1405
R_int	0.069
(sin θ/λ)_max (Å⁻¹)	0.595

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.054, 0.135, 1.02
No. of reflections	2920
No. of parameters	193
H-atom treatment	H-atom parameters constrained
Δρ_max, Δρ_min (e Å⁻³)	0.37, −0.20

Computer programs: SMART (Bruker, 1997), SAINT (Bruker, 1997), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009), SHELXTL (Bruker, 1997).

Hydrogen-bond geometry (Å, º) top

D—H···A	D—H	H···A	D···A	D—H···A
N1—H1A···O4	0.89	2.22	2.938 (4)	137
N1—H1A···O4ⁱ	0.89	2.41	2.984 (4)	123
N1—H1B···O3ⁱⁱ	0.89	1.98	2.845 (4)	164
N1—H1C···O3ⁱⁱⁱ	0.89	2.05	2.894 (4)	159

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

Acknowledgements

The author thanks Shandong Provincial Natural Science Foundation, China (ZR2009BL027) for support.

References

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