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Crystals I are orthorhombic , space group P2,2,21 , a = 7.906 ( 2 ) Å , b = 8.632 ( 2 ) Å , c = 17.216 ( 2 ) Å , Rhkl = 0.017 . Ethylenediamine forms a five - membered chelate ring with a gauche conformation .
Crystals I are orthorhombic , space group P2,2,21 , a = 7.906 ( 2 ) Å , b = 8.632 ( 2 ) Å , c = 17.216 ( 2 ) Å , Rhkl = 0.017 . Ethylenediamine forms a five - membered chelate ring with a gauche conformation .
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The possibility of formation of a phase with the Tm0.76Se type orthorhombic superstructure ( space group Pnnn ) with the unit cell parameters a ~ ao √2 , b ~ ao√2 , c c = 2ao is discussed . 2 The phases existing in CaS - Ln2S3 systems ...
The possibility of formation of a phase with the Tm0.76Se type orthorhombic superstructure ( space group Pnnn ) with the unit cell parameters a ~ ao √2 , b ~ ao√2 , c c = 2ao is discussed . 2 The phases existing in CaS - Ln2S3 systems ...
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The low - temperature tetragonal B phase ( space group P42c [ 2 , 3 ] ) transforms into the cubic a phase ( space group F432c [ 4 ] or Fm3m [ 5 ] ) at 320-340 ° C . The structure of the a phase is too complex for detailed analysis .
The low - temperature tetragonal B phase ( space group P42c [ 2 , 3 ] ) transforms into the cubic a phase ( space group F432c [ 4 ] or Fm3m [ 5 ] ) at 320-340 ° C . The structure of the a phase is too complex for detailed analysis .
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Vol 48 No 1 | 1 |
Synthesis and Magnetic Properties of a Complex Oxide Ca3Cuo 5Ni0 5MnO6 | 7 |
Thermal Dissociation of LnMn2O5 Ln Y Pr Nd Sm Lu in | 13 |
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