نتایج جستجو برای: cyclooctatetraene

تعداد نتایج: 144  

Journal: :Physical chemistry chemical physics : PCCP 2012
Athanassios C Tsipis

The structural, electronic, bonding and magnetotropic properties of inclusion compounds formed upon interaction of cerium monoxide, CeO, with buckybowls (quadrannulene, C(31)H(16), corannulene, C(20)H(10) and sumanene, C(21)H(12)) have been investigated by DFT calculations. For the sake of comparison the structural, electronic, bonding and magnetotropic spectroscopic properties of related annul...

Journal: :Jurnal Integrasi Proses 2023

Studi ini bertujuan untuk mempelajari pengaruh persen berat katalis dan campuran bahan terhadap yield komposisi hasil pirolisis sampah polipropilen (botol air mineral) polietilena berdensitas tinggi (tutup botol mineral). Pirolisis dilakukan dengan variasi jumlah 0, 5, 10, 15, 20 %b/b, serta 50, 60, 70, 80, 90 %b/b. Hasil cair, padat, gas tertinggi pada secara berurutan adalah 73,26; 26,4; 0,34...

2016
Raffaello Papadakis Hu Li Joakim Bergman Anna Lundstedt Kjell Jorner Rabia Ayub Soumyajyoti Haldar Burkhard O Jahn Aleksandra Denisova Burkhard Zietz Roland Lindh Biplab Sanyal Helena Grennberg Klaus Leifer Henrik Ottosson

The first hydrogenation step of benzene, which is endergonic in the electronic ground state (S0), becomes exergonic in the first triplet state (T1). This is in line with Baird's rule, which tells that benzene is antiaromatic and destabilized in its T1 state and also in its first singlet excited state (S1), opposite to S0, where it is aromatic and remarkably unreactive. Here we utilized this fea...

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