chem312_Coordination_complex_lecture_13

chem312_Coordination_complex_lecture_13 - (!") dz2...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
d z2 d x2–y2 e g * t 2g d yz d xy d xz HOMO-LUMO region splitting corresponds to a wavelength of visible light ( ! " ) # O The magnitude of # O determines: 1. color 2. magnetic properties 3. reactivity properties d z2 d x2–y2 d yz d xy d xz # O The magnitude of # O determines: 1. Color • large # O R G O B Y V I color wheel R G O B Y V I increasing energy then, compound appears red, orange, or yellow Absorbed Wavelength Observed Color (complementary) Greenish yellow Yellow Red Violet Blue Green Green R G O B Y V I color wheel R G O B Y V I increasing energy d z2 d x2–y2 d yz d xy d xz h $ absorbs blue d z2 d x2–y2 d yz d xy d xz h $ absorbs green Appears d yz d z2 d x2–y2 d xy d xz h $ absorbs violet
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
d z2 d x2–y2 d yz d xy d xz # O The magnitude of # O determines: 1. Color • large # O d z2 d x2–y2 d yz d xy d xz # O • small # O R G O B Y V I color wheel R G O B Y V I increasing energy then, compound appears red, orange, or yellow then, compound appears blue, green, or purple % –acceptor ligands % –donor ligands The magnitude of # O determines: 2. Magnetic properties • large # O L ow–spin (S=1/2) d z2 d x2–y2 d yz d xy d xz ( ! " ) # O High–spin (S= 5/2) d z2 d x2–y2 d yz d xy d xz ( ! " ) • small # O # O fewer unpaired electrons more unpaired electrons % –acceptor ligands tend to favor low spin–states % –donor ligands tend to favor high spin–states The magnitude of # O determines: 3. Reactivity properties • large # O less reactive d z2 d x2–y2 d yz d xy d xz ( ! " ) # O
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 9

chem312_Coordination_complex_lecture_13 - (!") dz2...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online