Before revision: !observedmoment /μB |- |Ti3+ ||1||1.73||1.73 |- |V4+||1 || ||1.68–1.78 |- |Cu2+ ||1 || ||1.70–2.20 |- |V3+||2||2.83||2.75–2.85 |- |Ni2+||2|| ||2.8–3.5 |- |V2+ ||3||3.87||3.80–3.90 |- |Cr3+ ||3|| ||3.70–3.90 |- |Co2+ ||3|| ||4.3–5.0 |- |Mn4+ ||3|| ||3.80–4.0 |- |Cr2+ ||4||4.90 ||4.75–4.90 |- |Fe2+ ||4 || ||5.1–5.7 |- |Mn2+ ||5||5.92 ||5.65–6.10 |- |Fe3+ ||5|| ||5.7–6.0 |} The small deviations from the spin-only formula may result from the neglect of orbital angular momentum or of spin-orbit coupling.
After revision: 1.731.732.833.873.873.874.905.92!observedmoment /μB |- |Ti3+ ||1||1.73||1.73 |- |V4+||1 || ||1.68–1.78 |- |Cu2+ ||1 || ||1.70–2.20 |- |V3+||2||2.83||2.75–2.85 |- |Ni2+||2|| ||2.8–3.5 |- |V2+ ||3||3.87||3.80–3.90 |- |Cr3+ ||3|| ||3.70–3.90 |- |Co2+ ||3|| ||4.3–5.0 |- |Mn4+ ||3|| ||3.80–4.0 |- |Cr2+ ||4||4.90 ||4.75–4.90 |- |Fe2+ ||4 || ||5.1–5.7 |- |Mn2+ ||5||5.92 ||5.65–6.10 |- |Fe3+ ||5|| ||5.7–6.0 |} The small deviations from the spin-only formula may result from the neglect of orbital angular momentum or of spin-orbit coupling.