Crystal and molecular structure of cadmium(II) cyanoacetate

Post, Michael L.; Trotter, James

doi:10.1039/dt9740000285

Cited by 16 publications

(4 citation statements)

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“…A search for organic co-crystals/ salts of cyanoacetic acid gave one structure, 4,4 0 -bipyridine bis(cyanoacetic acid) (Song et al, 2008). For metal complexes with cyanoacetic acid or cyanoacetate, 24 structures were reported, such as silver cyanoacetate (Edwards et al, 1997) and cadmium cyanoacetate (Post & Trotter, 1974). In these metal salts, the metal is coordinated by the acetate group as well as the cyano group.…”

Section: Database Surveymentioning

confidence: 99%

Crystal structure of melaminium cyanoacetate monohydrate

2020

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The asymmetric unit of the title compound, 2,4,6-triamino-1,3,5-triazin-1-ium cyanoacetate monohydrate, C3H7N6 +·NCCH2COO−·H2O, consists of a melaminium cation, a cyanoacetate anion and a water molecule, which are connected to each other via N—H...O and O—H...O hydrogen bonds, generating an eight-membered ring. In the crystal, the melaminium cations are connected by two pairs of N—H...N hydrogen bonds, forming tapes along [110]. These tapes develop a three-dimensional network through N—H...O, O—H...O, N—H...N and C—H...O hydrogen bonds between the cations, anions and water molecules.

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Section: Database Surveymentioning

confidence: 99%

Crystal structure of melaminium cyanoacetate monohydrate

2020

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“…2 The coordination sphere about silver in 8, showing the p-interaction with the olefinic group of the ligand and the weak Ag-O(2) interaction. In 2, the cyano nitrogen is not coordinated to silver and the CMN distance [1.103(6) A ˚] is shorter than in both the parent, AgO 2 CCH 2 CN [1.157(10) A ˚], 22 and cadmium(II) cyanoacetate 40 [1.132(10), 1.139(9) A ˚] in which the CN groups are involved in bridging interactions. Similarly, as might also be expected, the CLC bond distance in 9 [1.318(4) A ˚] appears slightly shorter than the double bond in 8 [1.339(9) A ˚] where it involves itself in a weak p-interaction with silver, though the esd values make a more definitive statement impossible.…”

Section: Crystallographymentioning

confidence: 99%

Aerosol-assisted chemical vapour deposition of silver films from adducts of functionalised silver carboxylates

et al. 2003

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A series of silver carboxylates containing unsaturated groups within the ligand have been synthesised [AgO 2 CR, R ~CH 2 CN (1), H 2 CLCH (3), H 2 CLCHCH 2 CH 2 (5), Me(H)CLC(Me) (8), Ph(H)CLCH ( 11)], along with their triphenylphosphine [AgO 2 CR(PPh 3 ) 2 , R ~CH 2 CN (2), H 2 CLCH (4), H 2 CLCHCH 2 CH 2 (6), Me(H)CLC(Me) (9), Ph(H)CLCH ( 12)] and 1,2-bis(phenylthio)ethane adducts [AgO 2 CR(PhSCH 2 CH 2 SPh) 2 , R H2 CLCHCH 2 CH 2 (7), Me(H)CLC(Me) ( 10)]. The structures of 2, 6, 8 and 9 have been determined by single crystal X-ray diffraction; the adducts are all four-coordinate at silver with a chelating carboxylate, while 8 adopts a polymeric structure based on dimeric units and in which an approximately octahedral geometry at silver is attained by additional weak intermolecular Ag … O and p-Ag … CLC interactions. Silver films have been grown by aerosol-assisted chemical vapour deposition using 6, 7, 9 and 10; no film was obtained with 2, while only a very thin film was generated by 12. Films grown from the sulfur-containing adducts 7 and 10 were rough and poorly reflective, while films from 6 and 9 were of superior quality, being smooth and highly reflective.

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“…(Post & Trotter, 1974a), Cd maleate dihydrate (Post & Trotter, 1974b), and Cd malonate monohydrate (Post & Trotter, 1974c). In the Cd diacetate dihydrate (Harrison & Trotter, 1972) Harrison & Trotter (1972).…”

Section: Discussionmentioning

confidence: 99%

The structure of monoclinic cadmium oxydiacetate trihydrate

Boman¹

1977

Acta Crystallogr Sect B

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The structure of monoclinic CdO(CHzCOO)2.3H20 has been determined and refined to R = 0-069. The crystals are monoclinic, space group P2Jc, with a 6.3848(7)~b-~ 10.2093(9),c 14.0470(16) A, fl --101.753 (10) °. Z = 4. The crystal structure consists of discrete units of composition 2CdO(CH2COO)2.6H20 held together by hydrogen bonds. In each unit, the two Cd atoms are bridged by two O atoms, one from each oxydiacetate ion, the remaining coordination sites about the seven-coordinate Cd atom being occupied by two more O atoms from one of the bridging oxydiacetate ions, giving a tridentate chelate, and by three water O atoms. The coordination polyhedron is a pentagonal bipyramid and within each unit the two bipyramids have one equatorial edge in common. The Cd-O distances range from 2.236 (7) to 2.492 (8) ,~; the Cd-Cd distance in a unit is 3.968 (I) A. The non-hydrogen atoms are coplanar in each oxydiacetate half with an angle of 8 ° between the planes.

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Crystal and molecular structure of cadmium(II) cyanoacetate

Cited by 16 publications

References 0 publications

Crystal structure of melaminium cyanoacetate monohydrate

Crystal structure of melaminium cyanoacetate monohydrate

Aerosol-assisted chemical vapour deposition of silver films from adducts of functionalised silver carboxylates

The structure of monoclinic cadmium oxydiacetate trihydrate

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