Crystal structure of lead chloride thiocyanate, PbCl(SCN)

Gacemi, A.; Benbertal, Djamal; Gautier‐Luneau, Isabelle; Mosset, A.

doi:10.1524/ncrs.2005.220.3.309

Cited by 2 publications

(4 citation statements)

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“…In fact, some other CN-based compounds with novel chain structures, e.g., C 2 N 2 Se 3 , C 2 N 2 Se 2 , PbC 2 N 2 S 2 , CdHgC 4 N 4 S 4 , HgC 2 N 2 Se 2 , CNSCl, PbCNSCl, SnCNSF, etc., − can also exhibit very large structural anisotropy. For example, C 2 N 2 Se 3 has a novel “U-type” unit where one Se atom is linked with two CNSe chains (see Figure g), thus exhibiting a large optical birefringence about 0.33 (see Table ).…”

Section: Results and Discussionmentioning

confidence: 99%

Cyano-Based Materials with Giant Optical Anisotropy and Second Harmonic-Generation Effect

et al. 2018

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It is a huge challenge to achieve giant optical anisotropy (e.g., birefringence) over a wide region from infrared (IR) to ultraviolet (UV) spectroscopy. This is mainly due to the lack of ideal optical motifs, which should have giant structural anisotropy with a wide transparent range. Especially in the field of nonlinear optical (NLO) materials, polar motifs with giant optical anisotropy are extremely scarce, but they are favorable to exhibit strong second harmonic generation (SHG) effect and phase-matching capacity. On the basis of analysis of microstructure and macro optical property, in this study, we focus on one-dimensional chained cyano (CN) motif and surprisingly find that it can exhibit sufficiently large optical anisotropy and SHG effect from IR to UV regions. Therefore, it is reasonable to believe that the CN motif can be considered as a novel NLO material gene, which was totally ignored in the previous studies. Interestingly, the CN-gene can be integrated into various coordination structures, such as metal cyanides, cyanogen halides, and cyanogen chalcogenides, to promote these materials to exhibit tunable NLO capabilities from IR to UV and deep-UV regions. Remarkably, the chained acentric CNI structure, which has already been obtained in the experiment, can achieve the IR and UV frequency conversion with a sufficiently large SHG effect (∼17 pm/V) and a giant optical birefringence (∼0.7 at 1064 nm). Therefore, the cyano-based compounds proposed in this article can not only enrich the structural chemistry of NLO materials, but also potentially advance the development of optical material genome project.

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Section: Results and Discussionmentioning

confidence: 99%

Cyano-Based Materials with Giant Optical Anisotropy and Second Harmonic-Generation Effect

et al. 2018

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“…To produce a good diffraction pattern, the powder samples were very gently ground in acetone, but texture problems remained. For PbN 3 Br, the primary structural model (space group and atomic positions) was deduced from PbCl(SCN) . The FULLPROF program package was used for the Rietveld refinement with a pseudo‐Voigt profile function, and the backgrounds of the data sets were manually subtracted by linear interpolation.…”

Section: Methodsmentioning

confidence: 99%

“…For PbN 3 Br, the primary structural model (space group and atomic positions) was deduced from PbCl(SCN). [3] The FULLPROF program package [16] was used for the Rietveld refinement with a pseudo-Voigt profile function, and the backgrounds of the data sets were manually subtracted by linear interpolation. The data used for structure refinement included a 2θ range between 3-50°.…”

Section: Articlementioning

confidence: 99%

“…[2] In these structures, the two halides locate in two crystallographically different positions, and the cations and the anions alternate. In addition, other binary lead(II) phases containing halide-similar anions such as lead chloride thiocyanate, PbCl(SCN), [3] and the lead hydroxide halides, Pb(OH)X, [4] exist and also adopt the orthorhombic [PbCl 2 ] type.…”

Section: Introductionmentioning

confidence: 99%

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Syntheses, Crystal Structures, and Vibrational Properties of Two Lead Azide Halides PbN₃X (X = Cl, Br)

Liu

Stoffel

Dronskowski

2020

Zeitschrift anorg allge chemie

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Two new lead azide halides, PbN 3 X (X = Cl, Br), were precipitated from aqueous solutions and structurally analyzed by both X-ray single-crystal/powder diffraction and vibrational spectroscopy, in addition to density-functional theory calculations. PbN 3 Cl crystallizes in the monoclinic space group P2 1 /m (no. 11) with a = 5.5039(11), b = 4.3270(9), c = 7.6576(15) Å, β = 101.28(3)°and adopts a structure with alternating layers of cations and anions. PbN 3 Br crystallizes in the orthorhombic space group Pnma (no. 62) with a = 7.9192(2), b = 4.2645(1), c = 11.1396(3) Å, and the cations and anions are alternating crosswise. Within PbN 3 Cl, a Pb 2+ cation is surrounded

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Crystal structure of lead chloride thiocyanate, PbCl(SCN)

Cited by 2 publications

References 4 publications

Cyano-Based Materials with Giant Optical Anisotropy and Second Harmonic-Generation Effect

Cyano-Based Materials with Giant Optical Anisotropy and Second Harmonic-Generation Effect

Syntheses, Crystal Structures, and Vibrational Properties of Two Lead Azide Halides PbN₃X (X = Cl, Br)

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Crystal structure of lead chloride thiocyanate, PbCl(SCN)

Cited by 2 publications

References 4 publications

Cyano-Based Materials with Giant Optical Anisotropy and Second Harmonic-Generation Effect

Cyano-Based Materials with Giant Optical Anisotropy and Second Harmonic-Generation Effect

Syntheses, Crystal Structures, and Vibrational Properties of Two Lead Azide Halides PbN3X (X = Cl, Br)

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Syntheses, Crystal Structures, and Vibrational Properties of Two Lead Azide Halides PbN₃X (X = Cl, Br)