Chromium complexes of various oxidation states
Table
Chromium complexes of various oxidation states
oxidation
state electron
configuration* coordination
complex
+6 d0 【CrF6】, 【CrO4】2−
+5 d1 【CrO4】3−
+4 d2 【CrO4】4−, 【Cr(OR)4】**
+3 d3 【Cr(H2O)6】3+, 【Cr(NH3)6】3+
+2 d4 【Cr(H2O)6】2+
0 d6 【Cr(CO)6】, 【Cr(C6H6)2】
*Number of d electrons indicated by superscript.
**R symbolizes an organic alkyl radical.
See as table:
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