df = pd.DataFrame(df.Raw_info.values.reshape(-1, 3),
columns=['Function_name', 'prop1', 'prop2'])
print(df)
Function_name prop1 prop2
0 Function_1 internal_prop_1 external_prop_1
1 Function_2 internal_prop_2 external_prop_2
2 Function_3 internal_prop_3 external_prop_3