What Does UCCD Stand For?

UCCD stands for Spin Unrestricted Coupled Cluster With Double Excitations

UCCD, or Spin Unrestricted Coupled Cluster with Double Excitations, is a sophisticated quantum chemistry method used to model the electronic structure of many-body systems. It builds upon the coupled cluster framework by allowing for spin flexibility and incorporating double excitations, enhancing accuracy in predicting molecular properties. UCCD effectively captures electron correlation effects, making it particularly valuable for studies of complex chemical systems and reactions where electron correlation plays a significant role.