20172173 1 Coordination 2 ligand 3 ligand coordination
- Slides: 75
20172173 응용화학과 정시윤 1. Coordination 2. ligand 3. 대표적ligand의 coordination 4. carbon-based ligand
Q&A
Metal d orbital과 ligand 의 시그마 결합, 파이 결합 20172137 김동후
Q&A
Coordination number(배위수) 와 착이온의 형태 20172161 이미지
Coordinate number: 3 Coordinate number: 4
Coordinate number: 5 Coordinate number: 6
Coordinate number: 12
Q&A
Geometries of complexes 20172175 최상혁 1) Square planar complex, 2) Tetrahedral complex 3) Trigonal bipyramidal complex 4) Square pyramidal complex 5) Octahedral complex
Square planar complex Coordination number: 4
Tetrahedral complex Coordination number: 4
Trigonal bipyramidal complex Coordination number: 5
Square pyramidal complex Coordination number: 5
Octahedral complex Coordination number: 6
Coordination compound의 명명법
Q&A
Symmetry and point group of Octahedral complex 20172167 이창권
Symmetry operation - 회전축, 반사면 등의 Symmetric element를 기준으로 회전, 반사, 대칭이동 시키는 행동을 말한다. - 실질적인 거울면 반사, 축과 점을 중심으로 한 움직임을 대칭 조작(symmetry operation)이라 한다. ◈동등 조작(identity operation, E) ◈회전 조작(rotation operation, Cn, 또는 proper rotation) ◈반사 조작(reflection operation, σ) ◈반전(inversion, i ) ◈회전 반사 조작(rotation-reflection operation, Sn, 또는 improper rotation)
Point group 결정 과정
Point group의 특성과 표현 - 지표표(character table) ① ② ③ ④ ⑤ ⑥ Point group의 name 그 Point group의 Symmetry operations Mulliken symbols로 irreducible representation Point group의 irreducible representation의 지표 각 축에 대한 coordinates와 축에 대한 회전의 coordinates square와 binary products의 coordinates
Octahedral(Oh) - 정팔면체 구조의 대칭성이 높은 point group. - 총 48개의 symmetry operation을 가진다. (E, 8 C 3, 6 C 2, 6 C 4, 3 C 2, i, 6 S 4, 8 S 6, 3σh, 6σd)
Octahedral complex - Octahedral complex는 리간드의 가지 수, 위치에 따라 다른 symmetry를 나타내게 됨→ 다른 point group으로 분류됨
Octahedral Character table
Q&A
Schiff base & Salen ligand 20141796 구도훈
Salen ligand 2개의 Salicylaldehyde와 Ethylenediamine의 축합 반응
Salen complex
- Site:slidetodoc.com
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