organic compounds
4-Benzyl-4-ethylmorpholin-1-ium hexafluorophosphate
aDepartment of Enviromental and Chemistry Engineering, Tianjin Polytechnic University, State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin 300160, People's Republic of China
*Correspondence e-mail: chemhong@126.com
The 13H20NO+·PF6−, contains two cations, one complete anion and two half hexafluorophosphate anions having crystallographically imposed twofold rotation symmetry. In the cations, the morpholine rings are in a chair conformation. In the crystal, ions are linked by weak C—H⋯F hydrogen bonds into a three-dimensional network.
of the title compound, CRelated literature
For background to the properties and applications of quaternary ammonium-based compounds as room temperature ionic liquids (RTILs), see: Abedin et al. (2004, 2005); Kim et al. (2006). For ring puckering parameters, see: Cremer & Pople (1975) For bond-length data, see: Allen et al. (1987).
Experimental
Crystal data
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Data collection: CrystalClear (Rigaku/MSC, 2005); cell CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: CrystalStructure (Rigaku, 2007).
Supporting information
10.1107/S1600536812001006/rz2692sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812001006/rz2692Isup2.hkl
N-Benzyl-N-ethylmorpholinium hexafluorophosphate was synthesized by dissolving the N-benzyl-N-ethylmorpholinium chloride (12.1 g, 0.05 mol) in a minimum volume of deionized water and adding the stoichiomeric amount (1:1) of 60% HPF6 solution. The mixture was stirred for about 5 min at 0°C causing the precipitation of a quaternary ammonium hexafluorophosphate from the solution. The raw product was filtered and washed with water until the solution was neutral. The product was recrystallized from the methanol/ethyl acetate solvent (1:1 v/v) and dried in vacuo.
All H atoms were positioned geometrically and included in the
in the riding model approximation, with C–H = 0.95–0.99 Å and Uiso (H) = 1.2 Ueq(C) or 1.5Ueq(C) for methyl H atoms.Data collection: CrystalClear (Rigaku/MSC, 2005); cell
CrystalClear (Rigaku/MSC, 2005); data reduction: CrystalClear (Rigaku/MSC, 2005); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: CrystalStructure (Rigaku, 2007).Fig. 1. The asymmetric unit of the title compound showing displacement ellipsoids drawn at the 30% probability level. Symmetry code: (A) -x, -y, z. | |
Fig. 2. Crystal packing of the title compound. Interionic hydrogen bonds are shown as dashed lines. |
C13H20NO+·PF6− | F(000) = 5824 |
Mr = 351.27 | Dx = 1.541 Mg m−3 |
Orthorhombic, Fdd2 | Mo Kα radiation, λ = 0.71070 Å |
Hall symbol: F 2 -2d | Cell parameters from 11300 reflections |
a = 26.054 (3) Å | θ = 2.1–29.1° |
b = 28.528 (3) Å | µ = 0.25 mm−1 |
c = 16.2950 (15) Å | T = 113 K |
V = 12111 (2) Å3 | Block, colourless |
Z = 32 | 0.22 × 0.20 × 0.18 mm |
Rigaku Saturn diffractometer | 8072 independent reflections |
Radiation source: rotating anode | 7799 reflections with I > 2σ(I) |
Confocal monochromator | Rint = 0.042 |
Detector resolution: 14.63 pixels mm-1 | θmax = 29.1°, θmin = 2.1° |
ω and ϕ scans | h = −35→35 |
Absorption correction: multi-scan (CrystalClear; Rigaku/MSC, 2005) | k = −38→38 |
Tmin = 0.948, Tmax = 0.957 | l = −22→22 |
39690 measured reflections |
Refinement on F2 | Hydrogen site location: inferred from neighbouring sites |
Least-squares matrix: full | H-atom parameters constrained |
R[F2 > 2σ(F2)] = 0.036 | w = 1/[σ2(Fo2) + (0.0336P)2 + 3.6844P] where P = (Fo2 + 2Fc2)/3 |
wR(F2) = 0.078 | (Δ/σ)max = 0.001 |
S = 1.11 | Δρmax = 0.31 e Å−3 |
8072 reflections | Δρmin = −0.24 e Å−3 |
402 parameters | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
1 restraint | Extinction coefficient: 0.00044 (2) |
Primary atom site location: structure-invariant direct methods | Absolute structure: Flack (1983), 3877 Friedel pairs |
Secondary atom site location: difference Fourier map | Absolute structure parameter: −0.06 (5) |
C13H20NO+·PF6− | V = 12111 (2) Å3 |
Mr = 351.27 | Z = 32 |
Orthorhombic, Fdd2 | Mo Kα radiation |
a = 26.054 (3) Å | µ = 0.25 mm−1 |
b = 28.528 (3) Å | T = 113 K |
c = 16.2950 (15) Å | 0.22 × 0.20 × 0.18 mm |
Rigaku Saturn diffractometer | 8072 independent reflections |
Absorption correction: multi-scan (CrystalClear; Rigaku/MSC, 2005) | 7799 reflections with I > 2σ(I) |
Tmin = 0.948, Tmax = 0.957 | Rint = 0.042 |
39690 measured reflections |
R[F2 > 2σ(F2)] = 0.036 | H-atom parameters constrained |
wR(F2) = 0.078 | Δρmax = 0.31 e Å−3 |
S = 1.11 | Δρmin = −0.24 e Å−3 |
8072 reflections | Absolute structure: Flack (1983), 3877 Friedel pairs |
402 parameters | Absolute structure parameter: −0.06 (5) |
1 restraint |
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. |
x | y | z | Uiso*/Ueq | ||
P1 | 0.243907 (17) | 0.017672 (16) | 0.61924 (3) | 0.02020 (9) | |
P2 | 0.0000 | 0.0000 | 0.43883 (4) | 0.02273 (14) | |
P3 | 0.0000 | 0.0000 | 0.04698 (4) | 0.02275 (14) | |
F1 | 0.30299 (4) | 0.02779 (4) | 0.64111 (7) | 0.0343 (3) | |
F2 | 0.23883 (5) | −0.01213 (5) | 0.70168 (8) | 0.0478 (4) | |
F3 | 0.22767 (5) | 0.06362 (5) | 0.66893 (8) | 0.0449 (3) | |
F4 | 0.24903 (4) | 0.04840 (4) | 0.53785 (8) | 0.0396 (3) | |
F5 | 0.26089 (5) | −0.02761 (4) | 0.56973 (9) | 0.0432 (3) | |
F6 | 0.18516 (4) | 0.00756 (4) | 0.59767 (7) | 0.0275 (2) | |
F7 | 0.0000 | 0.0000 | 0.34159 (10) | 0.0413 (4) | |
F8 | 0.06135 (4) | 0.00085 (4) | 0.43940 (9) | 0.0401 (3) | |
F9 | −0.00157 (5) | 0.05575 (4) | 0.43761 (11) | 0.0507 (4) | |
F10 | 0.0000 | 0.0000 | 0.53569 (11) | 0.0735 (8) | |
F11 | −0.01702 (5) | 0.05392 (4) | 0.04710 (8) | 0.0372 (3) | |
F12 | 0.04163 (6) | 0.01103 (5) | −0.02151 (9) | 0.0525 (4) | |
F13 | 0.04128 (6) | 0.01141 (5) | 0.11579 (9) | 0.0555 (4) | |
N1 | 0.35571 (5) | 0.11940 (5) | 0.37982 (8) | 0.0178 (3) | |
N2 | 0.35425 (5) | 0.08706 (5) | 0.82302 (8) | 0.0171 (3) | |
O1 | 0.36473 (5) | 0.17498 (5) | 0.52911 (8) | 0.0294 (3) | |
O2 | 0.41528 (5) | 0.12098 (4) | 0.68472 (8) | 0.0272 (3) | |
C1 | 0.31222 (6) | 0.12724 (6) | 0.43997 (11) | 0.0220 (3) | |
H1A | 0.2893 | 0.0996 | 0.4395 | 0.026* | |
H1B | 0.2919 | 0.1548 | 0.4223 | 0.026* | |
C2 | 0.33174 (7) | 0.13527 (7) | 0.52658 (11) | 0.0266 (4) | |
H2A | 0.3023 | 0.1403 | 0.5640 | 0.032* | |
H2B | 0.3506 | 0.1072 | 0.5455 | 0.032* | |
C3 | 0.40842 (7) | 0.16670 (7) | 0.47901 (11) | 0.0281 (4) | |
H3A | 0.4267 | 0.1385 | 0.4989 | 0.034* | |
H3B | 0.4322 | 0.1937 | 0.4831 | 0.034* | |
C4 | 0.39294 (6) | 0.15971 (6) | 0.39020 (11) | 0.0211 (3) | |
H4A | 0.3769 | 0.1888 | 0.3694 | 0.025* | |
H4B | 0.4240 | 0.1536 | 0.3569 | 0.025* | |
C5 | 0.33253 (6) | 0.12094 (6) | 0.29343 (10) | 0.0197 (3) | |
H5A | 0.3072 | 0.0952 | 0.2883 | 0.024* | |
H5B | 0.3138 | 0.1509 | 0.2868 | 0.024* | |
C6 | 0.37087 (6) | 0.11662 (6) | 0.22510 (10) | 0.0189 (3) | |
C7 | 0.39250 (7) | 0.15721 (6) | 0.19202 (11) | 0.0229 (3) | |
H7 | 0.3839 | 0.1870 | 0.2143 | 0.027* | |
C8 | 0.42658 (7) | 0.15427 (6) | 0.12656 (11) | 0.0254 (4) | |
H8 | 0.4408 | 0.1820 | 0.1038 | 0.030* | |
C9 | 0.43974 (7) | 0.11101 (7) | 0.09459 (11) | 0.0262 (4) | |
H9 | 0.4636 | 0.1090 | 0.0507 | 0.031* | |
C10 | 0.41805 (7) | 0.07058 (6) | 0.12674 (11) | 0.0265 (4) | |
H10 | 0.4269 | 0.0409 | 0.1046 | 0.032* | |
C11 | 0.38354 (7) | 0.07350 (6) | 0.19097 (11) | 0.0223 (3) | |
H11 | 0.3683 | 0.0457 | 0.2120 | 0.027* | |
C12 | 0.38380 (7) | 0.07356 (6) | 0.39370 (11) | 0.0231 (4) | |
H12A | 0.4018 | 0.0752 | 0.4471 | 0.028* | |
H12B | 0.4102 | 0.0700 | 0.3505 | 0.028* | |
C13 | 0.34997 (8) | 0.03033 (6) | 0.39328 (13) | 0.0326 (4) | |
H13A | 0.3293 | 0.0296 | 0.4435 | 0.049* | |
H13B | 0.3715 | 0.0022 | 0.3907 | 0.049* | |
H13C | 0.3272 | 0.0312 | 0.3454 | 0.049* | |
C14 | 0.33713 (7) | 0.12568 (6) | 0.76530 (10) | 0.0206 (3) | |
H14A | 0.3162 | 0.1118 | 0.7208 | 0.025* | |
H14B | 0.3152 | 0.1480 | 0.7958 | 0.025* | |
C15 | 0.38179 (7) | 0.15194 (6) | 0.72795 (11) | 0.0242 (4) | |
H15A | 0.3686 | 0.1761 | 0.6897 | 0.029* | |
H15B | 0.4012 | 0.1680 | 0.7719 | 0.029* | |
C16 | 0.43546 (7) | 0.08706 (6) | 0.73984 (11) | 0.0248 (4) | |
H16A | 0.4549 | 0.1032 | 0.7838 | 0.030* | |
H16B | 0.4596 | 0.0664 | 0.7100 | 0.030* | |
C17 | 0.39362 (6) | 0.05763 (6) | 0.77790 (11) | 0.0198 (3) | |
H17A | 0.4092 | 0.0351 | 0.8167 | 0.024* | |
H17B | 0.3762 | 0.0395 | 0.7343 | 0.024* | |
C18 | 0.37772 (6) | 0.10664 (6) | 0.90207 (10) | 0.0182 (3) | |
H18A | 0.3909 | 0.0802 | 0.9353 | 0.022* | |
H18B | 0.4073 | 0.1267 | 0.8875 | 0.022* | |
C19 | 0.34089 (6) | 0.13489 (6) | 0.95395 (10) | 0.0187 (3) | |
C20 | 0.31333 (6) | 0.11352 (6) | 1.01675 (10) | 0.0196 (3) | |
H20 | 0.3166 | 0.0807 | 1.0255 | 0.024* | |
C21 | 0.28113 (7) | 0.13974 (6) | 1.06672 (10) | 0.0223 (3) | |
H21 | 0.2626 | 0.1249 | 1.1096 | 0.027* | |
C22 | 0.27592 (7) | 0.18765 (6) | 1.05420 (11) | 0.0246 (4) | |
H22 | 0.2536 | 0.2056 | 1.0880 | 0.030* | |
C23 | 0.30346 (7) | 0.20911 (6) | 0.99205 (12) | 0.0272 (4) | |
H23 | 0.3000 | 0.2419 | 0.9832 | 0.033* | |
C24 | 0.33603 (7) | 0.18308 (6) | 0.94274 (11) | 0.0229 (3) | |
H24 | 0.3552 | 0.1982 | 0.9009 | 0.028* | |
C25 | 0.30729 (6) | 0.05742 (6) | 0.84234 (11) | 0.0207 (3) | |
H25A | 0.2831 | 0.0766 | 0.8750 | 0.025* | |
H25B | 0.2900 | 0.0494 | 0.7901 | 0.025* | |
C26 | 0.31801 (7) | 0.01251 (6) | 0.88864 (11) | 0.0250 (4) | |
H26A | 0.3397 | −0.0080 | 0.8551 | 0.038* | |
H26B | 0.2855 | −0.0034 | 0.9006 | 0.038* | |
H26C | 0.3357 | 0.0198 | 0.9402 | 0.038* |
U11 | U22 | U33 | U12 | U13 | U23 | |
P1 | 0.0186 (2) | 0.0212 (2) | 0.0208 (2) | −0.00042 (16) | −0.00207 (16) | 0.00038 (16) |
P2 | 0.0198 (3) | 0.0267 (3) | 0.0217 (3) | 0.0065 (2) | 0.000 | 0.000 |
P3 | 0.0247 (3) | 0.0216 (3) | 0.0219 (3) | −0.0064 (2) | 0.000 | 0.000 |
F1 | 0.0223 (6) | 0.0433 (7) | 0.0375 (6) | −0.0046 (5) | −0.0076 (5) | −0.0078 (5) |
F2 | 0.0369 (7) | 0.0659 (9) | 0.0406 (8) | −0.0026 (6) | −0.0068 (6) | 0.0292 (7) |
F3 | 0.0397 (7) | 0.0450 (7) | 0.0500 (8) | 0.0113 (6) | −0.0102 (6) | −0.0243 (6) |
F4 | 0.0343 (7) | 0.0502 (8) | 0.0343 (6) | −0.0143 (5) | −0.0025 (5) | 0.0163 (6) |
F5 | 0.0315 (7) | 0.0360 (7) | 0.0622 (9) | 0.0067 (5) | −0.0092 (6) | −0.0241 (6) |
F6 | 0.0186 (5) | 0.0324 (6) | 0.0316 (6) | −0.0028 (4) | −0.0041 (4) | 0.0049 (5) |
F7 | 0.0446 (11) | 0.0559 (12) | 0.0235 (8) | 0.0184 (8) | 0.000 | 0.000 |
F8 | 0.0218 (6) | 0.0471 (7) | 0.0514 (8) | 0.0068 (5) | −0.0020 (6) | −0.0154 (6) |
F9 | 0.0415 (8) | 0.0288 (6) | 0.0818 (10) | 0.0086 (6) | −0.0038 (7) | −0.0173 (7) |
F10 | 0.0552 (13) | 0.144 (2) | 0.0211 (9) | 0.0621 (14) | 0.000 | 0.000 |
F11 | 0.0377 (7) | 0.0230 (6) | 0.0508 (7) | −0.0025 (5) | −0.0003 (6) | 0.0017 (5) |
F12 | 0.0502 (9) | 0.0517 (8) | 0.0555 (9) | 0.0037 (6) | 0.0270 (7) | 0.0160 (7) |
F13 | 0.0732 (10) | 0.0366 (7) | 0.0566 (9) | −0.0148 (7) | −0.0391 (8) | 0.0050 (6) |
N1 | 0.0151 (7) | 0.0175 (6) | 0.0206 (7) | 0.0008 (5) | 0.0011 (5) | 0.0029 (5) |
N2 | 0.0155 (7) | 0.0187 (6) | 0.0170 (6) | 0.0003 (5) | −0.0012 (5) | −0.0007 (5) |
O1 | 0.0327 (7) | 0.0309 (7) | 0.0245 (6) | −0.0063 (6) | 0.0037 (5) | −0.0049 (5) |
O2 | 0.0326 (7) | 0.0279 (6) | 0.0211 (6) | −0.0026 (5) | 0.0076 (5) | 0.0003 (5) |
C1 | 0.0187 (8) | 0.0264 (9) | 0.0209 (8) | 0.0005 (7) | 0.0049 (7) | 0.0020 (7) |
C2 | 0.0266 (9) | 0.0325 (10) | 0.0206 (8) | −0.0047 (7) | 0.0011 (7) | 0.0040 (7) |
C3 | 0.0274 (10) | 0.0311 (10) | 0.0259 (9) | −0.0083 (8) | 0.0015 (7) | −0.0039 (7) |
C4 | 0.0200 (9) | 0.0191 (8) | 0.0242 (8) | −0.0039 (6) | 0.0023 (6) | 0.0005 (6) |
C5 | 0.0178 (8) | 0.0205 (8) | 0.0208 (8) | 0.0020 (6) | −0.0018 (6) | 0.0030 (6) |
C6 | 0.0170 (8) | 0.0214 (8) | 0.0182 (8) | 0.0016 (6) | −0.0015 (6) | 0.0015 (6) |
C7 | 0.0241 (9) | 0.0188 (8) | 0.0259 (8) | 0.0002 (7) | 0.0025 (7) | 0.0007 (7) |
C8 | 0.0234 (9) | 0.0279 (9) | 0.0249 (8) | −0.0044 (7) | 0.0037 (7) | 0.0029 (7) |
C9 | 0.0171 (8) | 0.0392 (10) | 0.0224 (8) | 0.0034 (7) | 0.0018 (7) | −0.0016 (8) |
C10 | 0.0278 (9) | 0.0290 (9) | 0.0228 (9) | 0.0075 (7) | −0.0021 (7) | −0.0074 (7) |
C11 | 0.0252 (9) | 0.0192 (8) | 0.0224 (8) | 0.0008 (6) | −0.0026 (7) | 0.0005 (7) |
C12 | 0.0254 (9) | 0.0194 (8) | 0.0247 (8) | 0.0052 (7) | −0.0026 (7) | 0.0046 (7) |
C13 | 0.0406 (12) | 0.0191 (9) | 0.0382 (11) | −0.0002 (8) | −0.0001 (9) | 0.0063 (8) |
C14 | 0.0238 (9) | 0.0201 (8) | 0.0180 (7) | 0.0033 (7) | −0.0025 (6) | 0.0010 (6) |
C15 | 0.0290 (10) | 0.0209 (8) | 0.0227 (8) | −0.0016 (7) | 0.0010 (7) | 0.0013 (7) |
C16 | 0.0201 (9) | 0.0308 (9) | 0.0234 (8) | 0.0002 (7) | 0.0031 (7) | −0.0026 (7) |
C17 | 0.0180 (8) | 0.0205 (8) | 0.0208 (8) | 0.0024 (6) | −0.0006 (6) | −0.0025 (6) |
C18 | 0.0156 (8) | 0.0220 (8) | 0.0169 (7) | 0.0000 (6) | −0.0009 (6) | −0.0016 (6) |
C19 | 0.0155 (8) | 0.0224 (8) | 0.0181 (7) | −0.0001 (6) | −0.0023 (6) | −0.0016 (6) |
C20 | 0.0197 (8) | 0.0196 (8) | 0.0195 (7) | −0.0009 (6) | −0.0023 (6) | −0.0003 (6) |
C21 | 0.0205 (9) | 0.0271 (9) | 0.0193 (8) | −0.0023 (7) | 0.0026 (6) | 0.0008 (7) |
C22 | 0.0214 (9) | 0.0265 (9) | 0.0259 (9) | 0.0004 (7) | 0.0045 (7) | −0.0056 (7) |
C23 | 0.0294 (10) | 0.0184 (8) | 0.0339 (9) | −0.0012 (7) | 0.0042 (8) | −0.0027 (7) |
C24 | 0.0255 (9) | 0.0188 (8) | 0.0245 (8) | −0.0036 (7) | 0.0043 (7) | 0.0020 (7) |
C25 | 0.0170 (8) | 0.0227 (8) | 0.0223 (8) | −0.0043 (6) | −0.0012 (6) | −0.0010 (6) |
C26 | 0.0289 (10) | 0.0228 (8) | 0.0234 (9) | −0.0042 (7) | 0.0030 (7) | 0.0002 (7) |
P1—F5 | 1.5860 (12) | C7—C8 | 1.391 (2) |
P1—F4 | 1.5953 (12) | C7—H7 | 0.9500 |
P1—F2 | 1.5953 (13) | C8—C9 | 1.383 (2) |
P1—F6 | 1.5966 (11) | C8—H8 | 0.9500 |
P1—F3 | 1.5977 (12) | C9—C10 | 1.387 (3) |
P1—F1 | 1.6062 (12) | C9—H9 | 0.9500 |
P2—F10 | 1.578 (2) | C10—C11 | 1.382 (2) |
P2—F7 | 1.5846 (18) | C10—H10 | 0.9500 |
P2—F9 | 1.5910 (12) | C11—H11 | 0.9500 |
P2—F9i | 1.5910 (12) | C12—C13 | 1.516 (3) |
P2—F8 | 1.5985 (11) | C12—H12A | 0.9900 |
P2—F8i | 1.5985 (11) | C12—H12B | 0.9900 |
P3—F13 | 1.5875 (13) | C13—H13A | 0.9800 |
P3—F13i | 1.5875 (13) | C13—H13B | 0.9800 |
P3—F12i | 1.5877 (14) | C13—H13C | 0.9800 |
P3—F12 | 1.5877 (14) | C14—C15 | 1.512 (2) |
P3—F11i | 1.6009 (11) | C14—H14A | 0.9900 |
P3—F11 | 1.6009 (11) | C14—H14B | 0.9900 |
N1—C4 | 1.514 (2) | C15—H15A | 0.9900 |
N1—C1 | 1.515 (2) | C15—H15B | 0.9900 |
N1—C12 | 1.515 (2) | C16—C17 | 1.509 (2) |
N1—C5 | 1.532 (2) | C16—H16A | 0.9900 |
N2—C14 | 1.516 (2) | C16—H16B | 0.9900 |
N2—C17 | 1.516 (2) | C17—H17A | 0.9900 |
N2—C25 | 1.520 (2) | C17—H17B | 0.9900 |
N2—C18 | 1.531 (2) | C18—C19 | 1.511 (2) |
O1—C3 | 1.421 (2) | C18—H18A | 0.9900 |
O1—C2 | 1.423 (2) | C18—H18B | 0.9900 |
O2—C16 | 1.421 (2) | C19—C20 | 1.391 (2) |
O2—C15 | 1.427 (2) | C19—C24 | 1.393 (2) |
C1—C2 | 1.517 (2) | C20—C21 | 1.388 (2) |
C1—H1A | 0.9900 | C20—H20 | 0.9500 |
C1—H1B | 0.9900 | C21—C22 | 1.389 (2) |
C2—H2A | 0.9900 | C21—H21 | 0.9500 |
C2—H2B | 0.9900 | C22—C23 | 1.384 (3) |
C3—C4 | 1.515 (2) | C22—H22 | 0.9500 |
C3—H3A | 0.9900 | C23—C24 | 1.384 (3) |
C3—H3B | 0.9900 | C23—H23 | 0.9500 |
C4—H4A | 0.9900 | C24—H24 | 0.9500 |
C4—H4B | 0.9900 | C25—C26 | 1.513 (2) |
C5—C6 | 1.501 (2) | C25—H25A | 0.9900 |
C5—H5A | 0.9900 | C25—H25B | 0.9900 |
C5—H5B | 0.9900 | C26—H26A | 0.9800 |
C6—C11 | 1.390 (2) | C26—H26B | 0.9800 |
C6—C7 | 1.396 (2) | C26—H26C | 0.9800 |
F5—P1—F4 | 90.08 (8) | C11—C6—C5 | 121.85 (15) |
F5—P1—F2 | 91.00 (8) | C7—C6—C5 | 119.14 (15) |
F4—P1—F2 | 178.87 (8) | C8—C7—C6 | 120.26 (16) |
F5—P1—F6 | 90.47 (6) | C8—C7—H7 | 119.9 |
F4—P1—F6 | 89.80 (6) | C6—C7—H7 | 119.9 |
F2—P1—F6 | 90.54 (6) | C9—C8—C7 | 120.09 (16) |
F5—P1—F3 | 179.12 (8) | C9—C8—H8 | 120.0 |
F4—P1—F3 | 89.58 (8) | C7—C8—H8 | 120.0 |
F2—P1—F3 | 89.34 (8) | C8—C9—C10 | 119.92 (16) |
F6—P1—F3 | 90.34 (6) | C8—C9—H9 | 120.0 |
F5—P1—F1 | 89.54 (6) | C10—C9—H9 | 120.0 |
F4—P1—F1 | 90.32 (7) | C11—C10—C9 | 120.04 (16) |
F2—P1—F1 | 89.33 (7) | C11—C10—H10 | 120.0 |
F6—P1—F1 | 179.88 (9) | C9—C10—H10 | 120.0 |
F3—P1—F1 | 89.65 (6) | C10—C11—C6 | 120.73 (16) |
F10—P2—F7 | 180.0 | C10—C11—H11 | 119.6 |
F10—P2—F9 | 90.71 (7) | C6—C11—H11 | 119.6 |
F7—P2—F9 | 89.29 (7) | N1—C12—C13 | 114.87 (15) |
F10—P2—F9i | 90.72 (7) | N1—C12—H12A | 108.6 |
F7—P2—F9i | 89.29 (7) | C13—C12—H12A | 108.6 |
F9—P2—F9i | 178.57 (13) | N1—C12—H12B | 108.6 |
F10—P2—F8 | 89.67 (6) | C13—C12—H12B | 108.6 |
F7—P2—F8 | 90.33 (6) | H12A—C12—H12B | 107.5 |
F9—P2—F8 | 90.61 (6) | C12—C13—H13A | 109.5 |
F9i—P2—F8 | 89.40 (6) | C12—C13—H13B | 109.5 |
F10—P2—F8i | 89.67 (6) | H13A—C13—H13B | 109.5 |
F7—P2—F8i | 90.33 (6) | C12—C13—H13C | 109.5 |
F9—P2—F8i | 89.40 (6) | H13A—C13—H13C | 109.5 |
F9i—P2—F8i | 90.61 (6) | H13B—C13—H13C | 109.5 |
F8—P2—F8i | 179.33 (11) | C15—C14—N2 | 112.56 (14) |
F13—P3—F13i | 90.13 (13) | C15—C14—H14A | 109.1 |
F13—P3—F12i | 179.46 (9) | N2—C14—H14A | 109.1 |
F13i—P3—F12i | 89.60 (8) | C15—C14—H14B | 109.1 |
F13—P3—F12 | 89.60 (8) | N2—C14—H14B | 109.1 |
F13i—P3—F12 | 179.46 (9) | H14A—C14—H14B | 107.8 |
F12i—P3—F12 | 90.67 (13) | O2—C15—C14 | 111.26 (14) |
F13—P3—F11i | 90.49 (7) | O2—C15—H15A | 109.4 |
F13i—P3—F11i | 89.41 (7) | C14—C15—H15A | 109.4 |
F12i—P3—F11i | 89.97 (7) | O2—C15—H15B | 109.4 |
F12—P3—F11i | 90.12 (7) | C14—C15—H15B | 109.4 |
F13—P3—F11 | 89.41 (7) | H15A—C15—H15B | 108.0 |
F13i—P3—F11 | 90.49 (7) | O2—C16—C17 | 111.80 (15) |
F12i—P3—F11 | 90.12 (7) | O2—C16—H16A | 109.3 |
F12—P3—F11 | 89.97 (7) | C17—C16—H16A | 109.3 |
F11i—P3—F11 | 179.86 (12) | O2—C16—H16B | 109.3 |
C4—N1—C1 | 107.14 (12) | C17—C16—H16B | 109.3 |
C4—N1—C12 | 109.23 (13) | H16A—C16—H16B | 107.9 |
C1—N1—C12 | 113.09 (13) | C16—C17—N2 | 112.34 (14) |
C4—N1—C5 | 109.47 (12) | C16—C17—H17A | 109.1 |
C1—N1—C5 | 107.19 (12) | N2—C17—H17A | 109.1 |
C12—N1—C5 | 110.62 (13) | C16—C17—H17B | 109.1 |
C14—N2—C17 | 107.49 (12) | N2—C17—H17B | 109.1 |
C14—N2—C25 | 107.22 (12) | H17A—C17—H17B | 107.9 |
C17—N2—C25 | 109.71 (12) | C19—C18—N2 | 114.29 (13) |
C14—N2—C18 | 111.97 (12) | C19—C18—H18A | 108.7 |
C17—N2—C18 | 109.86 (12) | N2—C18—H18A | 108.7 |
C25—N2—C18 | 110.49 (12) | C19—C18—H18B | 108.7 |
C3—O1—C2 | 109.58 (13) | N2—C18—H18B | 108.7 |
C16—O2—C15 | 109.60 (13) | H18A—C18—H18B | 107.6 |
N1—C1—C2 | 111.93 (14) | C20—C19—C24 | 118.82 (15) |
N1—C1—H1A | 109.2 | C20—C19—C18 | 120.37 (15) |
C2—C1—H1A | 109.2 | C24—C19—C18 | 120.71 (15) |
N1—C1—H1B | 109.2 | C21—C20—C19 | 120.50 (16) |
C2—C1—H1B | 109.2 | C21—C20—H20 | 119.7 |
H1A—C1—H1B | 107.9 | C19—C20—H20 | 119.7 |
O1—C2—C1 | 110.46 (14) | C20—C21—C22 | 120.23 (16) |
O1—C2—H2A | 109.6 | C20—C21—H21 | 119.9 |
C1—C2—H2A | 109.6 | C22—C21—H21 | 119.9 |
O1—C2—H2B | 109.6 | C23—C22—C21 | 119.48 (16) |
C1—C2—H2B | 109.6 | C23—C22—H22 | 120.3 |
H2A—C2—H2B | 108.1 | C21—C22—H22 | 120.3 |
O1—C3—C4 | 110.93 (15) | C22—C23—C24 | 120.36 (16) |
O1—C3—H3A | 109.5 | C22—C23—H23 | 119.8 |
C4—C3—H3A | 109.5 | C24—C23—H23 | 119.8 |
O1—C3—H3B | 109.5 | C23—C24—C19 | 120.60 (16) |
C4—C3—H3B | 109.5 | C23—C24—H24 | 119.7 |
H3A—C3—H3B | 108.0 | C19—C24—H24 | 119.7 |
N1—C4—C3 | 112.16 (14) | C26—C25—N2 | 115.19 (14) |
N1—C4—H4A | 109.2 | C26—C25—H25A | 108.5 |
C3—C4—H4A | 109.2 | N2—C25—H25A | 108.5 |
N1—C4—H4B | 109.2 | C26—C25—H25B | 108.5 |
C3—C4—H4B | 109.2 | N2—C25—H25B | 108.5 |
H4A—C4—H4B | 107.9 | H25A—C25—H25B | 107.5 |
C6—C5—N1 | 114.64 (13) | C25—C26—H26A | 109.5 |
C6—C5—H5A | 108.6 | C25—C26—H26B | 109.5 |
N1—C5—H5A | 108.6 | H26A—C26—H26B | 109.5 |
C6—C5—H5B | 108.6 | C25—C26—H26C | 109.5 |
N1—C5—H5B | 108.6 | H26A—C26—H26C | 109.5 |
H5A—C5—H5B | 107.6 | H26B—C26—H26C | 109.5 |
C11—C6—C7 | 118.93 (15) | ||
C4—N1—C1—C2 | −52.21 (17) | C17—N2—C14—C15 | −50.76 (17) |
C12—N1—C1—C2 | 68.20 (18) | C25—N2—C14—C15 | −168.65 (13) |
C5—N1—C1—C2 | −169.62 (13) | C18—N2—C14—C15 | 69.99 (17) |
C3—O1—C2—C1 | −62.46 (19) | C16—O2—C15—C14 | −60.77 (18) |
N1—C1—C2—O1 | 59.13 (19) | N2—C14—C15—O2 | 57.50 (18) |
C2—O1—C3—C4 | 62.01 (19) | C15—O2—C16—C17 | 60.96 (18) |
C1—N1—C4—C3 | 51.63 (18) | O2—C16—C17—N2 | −57.46 (18) |
C12—N1—C4—C3 | −71.20 (17) | C14—N2—C17—C16 | 50.49 (17) |
C5—N1—C4—C3 | 167.54 (14) | C25—N2—C17—C16 | 166.76 (13) |
O1—C3—C4—N1 | −58.05 (19) | C18—N2—C17—C16 | −71.58 (17) |
C4—N1—C5—C6 | 60.64 (17) | C14—N2—C18—C19 | 63.20 (17) |
C1—N1—C5—C6 | 176.52 (13) | C17—N2—C18—C19 | −177.44 (14) |
C12—N1—C5—C6 | −59.77 (17) | C25—N2—C18—C19 | −56.25 (17) |
N1—C5—C6—C11 | 92.12 (18) | N2—C18—C19—C20 | 93.27 (18) |
N1—C5—C6—C7 | −91.19 (18) | N2—C18—C19—C24 | −90.25 (19) |
C11—C6—C7—C8 | −0.7 (3) | C24—C19—C20—C21 | 0.7 (2) |
C5—C6—C7—C8 | −177.49 (16) | C18—C19—C20—C21 | 177.26 (15) |
C6—C7—C8—C9 | −0.9 (3) | C19—C20—C21—C22 | 0.3 (3) |
C7—C8—C9—C10 | 1.4 (3) | C20—C21—C22—C23 | −0.6 (3) |
C8—C9—C10—C11 | −0.4 (3) | C21—C22—C23—C24 | −0.1 (3) |
C9—C10—C11—C6 | −1.2 (3) | C22—C23—C24—C19 | 1.1 (3) |
C7—C6—C11—C10 | 1.7 (3) | C20—C19—C24—C23 | −1.4 (3) |
C5—C6—C11—C10 | 178.43 (16) | C18—C19—C24—C23 | −177.96 (17) |
C4—N1—C12—C13 | 174.38 (15) | C14—N2—C25—C26 | 170.87 (14) |
C1—N1—C12—C13 | 55.17 (19) | C17—N2—C25—C26 | 54.43 (18) |
C5—N1—C12—C13 | −65.07 (19) | C18—N2—C25—C26 | −66.85 (17) |
Symmetry code: (i) −x, −y, z. |
D—H···A | D—H | H···A | D···A | D—H···A |
C1—H1A···F4 | 0.99 | 2.41 | 3.211 (2) | 138 |
C3—H3B···F2ii | 0.99 | 2.47 | 3.389 (2) | 155 |
C5—H5B···F11iii | 0.99 | 2.48 | 3.365 (2) | 150 |
C10—H10···F10iv | 0.95 | 2.50 | 3.288 (2) | 141 |
C17—H17A···F8v | 0.99 | 2.37 | 3.329 (2) | 162 |
C17—H17B···F1 | 0.99 | 2.46 | 3.357 (2) | 150 |
C25—H25B···F1 | 0.99 | 2.53 | 3.388 (2) | 145 |
Symmetry codes: (ii) −x+3/4, y+1/4, z−1/4; (iii) x+1/4, −y+1/4, z+1/4; (iv) −x+1/2, −y, z−1/2; (v) −x+1/2, −y, z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C13H20NO+·PF6− |
Mr | 351.27 |
Crystal system, space group | Orthorhombic, Fdd2 |
Temperature (K) | 113 |
a, b, c (Å) | 26.054 (3), 28.528 (3), 16.2950 (15) |
V (Å3) | 12111 (2) |
Z | 32 |
Radiation type | Mo Kα |
µ (mm−1) | 0.25 |
Crystal size (mm) | 0.22 × 0.20 × 0.18 |
Data collection | |
Diffractometer | Rigaku Saturn diffractometer |
Absorption correction | Multi-scan (CrystalClear; Rigaku/MSC, 2005) |
Tmin, Tmax | 0.948, 0.957 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 39690, 8072, 7799 |
Rint | 0.042 |
(sin θ/λ)max (Å−1) | 0.685 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.036, 0.078, 1.11 |
No. of reflections | 8072 |
No. of parameters | 402 |
No. of restraints | 1 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.31, −0.24 |
Absolute structure | Flack (1983), 3877 Friedel pairs |
Absolute structure parameter | −0.06 (5) |
Computer programs: CrystalClear (Rigaku/MSC, 2005), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008), CrystalStructure (Rigaku, 2007).
D—H···A | D—H | H···A | D···A | D—H···A |
C1—H1A···F4 | 0.99 | 2.41 | 3.211 (2) | 138 |
C3—H3B···F2i | 0.99 | 2.47 | 3.389 (2) | 155 |
C5—H5B···F11ii | 0.99 | 2.48 | 3.365 (2) | 150 |
C10—H10···F10iii | 0.95 | 2.50 | 3.288 (2) | 141 |
C17—H17A···F8iv | 0.99 | 2.37 | 3.329 (2) | 162 |
C17—H17B···F1 | 0.99 | 2.46 | 3.357 (2) | 150 |
C25—H25B···F1 | 0.99 | 2.53 | 3.388 (2) | 145 |
Symmetry codes: (i) −x+3/4, y+1/4, z−1/4; (ii) x+1/4, −y+1/4, z+1/4; (iii) −x+1/2, −y, z−1/2; (iv) −x+1/2, −y, z+1/2. |
Acknowledgements
The authors thank the Tianjin Natural Science Foundation (11JCZDJC21300 and 10JCZDJC22200) for financial support.
References
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
The seemingly ever growing interest on room temperature ionic liquids (RTILs) has turned the spotlight, along with many others, to quaternary ammonium-based compounds. The excellent conductivity, broad electrochemical window, thermal stability, and low volatility of ILs have made them promising media for electrochemical processes (Abedin et al., 2004; Abedin et al., 2005). RTILs based on the morpholinium cation are favored because of their low cost, easy synthesis, and electrochemical stability (Kim et al., 2006). We report here a new example structure of this class of compounds.
The asymmetric unit of the title compound (Fig. 1) consists of two cations, one PF6- anion and two half of PF6- anion having crystallographically imposed twofold rotation symmetry. In the cations, the morpholine rings adopt a chair conformation, with puckering parameters Q, θ and ϕ (Cremer & Pople, 1975) of 0.5757 (17) Å, 4.07 (14)°, 169 (2)° and 0.5607 (15) Å, 4.15 (14)°, 177 (3)° for N1/C1/C2/O1/C3/C4 and N2/C14/C15/O2/C16/C17, respectively. All bond distances and angles in the cation are normal within experimental error (Allen et al., 1987). In the crystal packing, cations and anions are involved in weak C—H···F hydrogen bonds (Table 1) linking ions into a three-dimensional network (Fig. 2).