TY - GEN AU - Khalouf Rivera, Jamil AU - Pérez Bernal, Francisco AU - Carvajal Zaera, Miguel PY - 2020 UR - http://hdl.handle.net/10481/68733 AB - We present an extension of the Hamiltonian of the two dimensional limit of the vibron model to encompass all possible interactions up to four-body operators. We apply this Hamiltonian to the modeling of the bending spectrum of four molecules: HNC,... LA - eng PB - Elsevier KW - Nonrigid molecules KW - Linear molecules KW - Excited state quantum phase transition KW - Bent molecules KW - Bending rovibrational structure KW - Algebraic vibron model TI - Excited state quantum phase transitions in the bending spectra of molecules DO - 10.1016/j.jqsrt.2020.107436 ER -