The CFSE for octahedral CoCl64- is 18,000 cm-1 . The CFSE for tetrahedral will be \(\mathrm{CoCl}_4{ }^{2-}\):\(\mathrm{CoCl}_4{ }^{2-}\)

1. 6000 cm-1

2. 16,000 cm-1

3. 18,000 cm-1

4. 8,000 cm-1