Multireference Nature of Chemistry: The Coupled-Cluster View | Chemical Reviews Recently
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The multireference problem is considered one of the great challenges in coupled‐cluster
(CC) theory. Most recent developments are based on state‐specific approaches, which …

Coupled cluster theory with single and double excitations accurately describes weak
electron correlation but is known to fail in cases of strong static correlation. Fascinatingly …

Simple closed-form expressions are derived for the “same vacuum” renormalization terms
that arise in state-specific multireference coupled cluster (MRCC) theories. Explicit …

For the first time high-order excitations (n> 2) have been studied in three multireference
couple cluster (MRCC) theories built on the wave operator formalism:(1) the state-universal …

Vertical excitation energies in uracil in the gas phase and in water solution are investigated
by the equation-of-motion coupled-cluster and multireference configuration interaction …

In this work, we investigate the possibility of improving multireference-driven coupled cluster
(CC) approaches with an algorithm that iteratively combines complete active space (CAS) …

The previously developed active-space coupled-cluster (CC) and equation-of-motion (EOM)
CC methods are extended to radicals and other open-shell systems by combining them with …

In this article, we investigate the numerical and theoretical aspects of the coupled-cluster
method tailored by matrix-product states. We investigate formal properties of the used …

Two recently proposed classes of non-iterative coupled-cluster (CC) methods derived from
the method of moments of CC equations (MMCC) are discussed. The first approach, termed …