(2,3,4,5,6-pentafluorophenethylammonium)(1-x) phenethylammonium(x) lead iodide: x = 0.5

Chemical Formula: C32H38F10N4Pb2I8
IUPAC: 2,3,4,5,6-pentafluorophenethanaminium 2-phenylethane-1-aminium lead (II) iodide
Alternate Names: bis(perfluorophenethylammonium) lead iodide, bis(2-(perfluorophenyl)ethan-1-aminium) octoiodo diplumbate(II), (F5-PEA)(PEA)PbI4, ((PEA)0.5(F5- PEA)0.5)2PbI4
Organic: C32H38F10N4
Inorganic: Pb2I8
Dimensionality: 2D n: 1
Formal Stoichiometry: C : 32 , H : 38 , F : 10 , N : 4 , Pb : 2 , I : 8
Atomic structure
Origin: experimental (T = 298.0 K)
Space group: A b a 2
Lattice parameters

Crystal system: orthorhombic

a:8.7127 Å
b:8.7129 Å
c:35.031 Å
α:90°
β:90°
γ:90°
Fixed parameters:
  • temperature = 298.0 K
J. Hu, I. Oswald, H. Hu, S. Stuard, M. M. Nahid, L. Yan, Z. Chen, H. Ade, J. Neilson, and W. You, Aryl-Perfluoroaryl Interaction in TwoDimensional Organic−Inorganic Hybrid Perovskites Boosts Stability and Photovoltaic Efficiency, ACS Materials Letters 1, 171‑176 (2019). doi: doi.org/10.1021/acsmaterialslett.9b00102.
System description
Dimensionality: 2D n: 1
Sample type: single crystal

Starting materials: n-Butanol, 57wt% stabilized HI (Alfa Aesar), perfluorophenethylammonium iodide (F5-PEAI; synthesized)

Product: Yellow plate-like crystals

Description: In 0.5 ml n-Butanol and 0.1 ml 57wt% stabilized HI, 69.2 mg PbI2 and 101.7 mg F5-PEAI were dissolved at 95 °C. The solution was slowly cooled down at 1 °C/h to room temperature and the solids were collected.

Comment: The structure is taken from the cif file provided by the authors. (A cif file is also attached as supporting data to this data set.) We believe that the data for ((PEA)0.5(F5-PEA)0.5)2PbI4 and (F5-PEA)2PbI4 in Table S2 of the reference is switched. The cif files look correct.

Method: Single crystal X-ray Diffraction

Description: Bruker D8 Quest ECO diffractometer equipped with a microfocus Mo K radiation source and Photon 50 CMOS half-plate detector was used for SCXRD data collection at room temperature.

J. Hu, I. Oswald, H. Hu, S. Stuard, M. M. Nahid, L. Yan, Z. Chen, H. Ade, J. Neilson, and W. You, Aryl-Perfluoroaryl Interaction in TwoDimensional Organic−Inorganic Hybrid Perovskites Boosts Stability and Photovoltaic Efficiency, ACS Materials Letters 1, 171‑176 (2019). doi: doi.org/10.1021/acsmaterialslett.9b00102.

Entry added on: Aug. 19, 2019, 12:26 p.m.
Entry added by: Jun Hu University of North Carolina at Chapel Hill
Last updated on: July 11, 2023, 3:19 p.m.
Last updated by: Volker Blum Duke University

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Atomic coordinates



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