Möbius aromaticity
In organic chemistry, Möbius aromaticity is a special type of aromaticity believed to exist in a number of organic molecules. In terms of molecular orbital theory these compounds have in common a monocyclic array of molecular orbitals in which there is an odd number of out-of-phase overlaps, the opposite pattern compared to the aromatic character to Hückel systems. The nodal plane of the orbitals, viewed as a ribbon, is a Möbius strip, rather than a cylinder, hence the name. The pattern of orbital energies is given by a rotated Frost circle (with the edge of the polygon on the bottom instead of a vertex), so systems with 4n electrons are aromatic, while those with 4n + 2 electrons are anti-aromatic/non-aromatic. Due to incrementally twisted nature of the orbitals of a Möbius aromatic syste
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Möbius aromaticity
In organic chemistry, Möbius aromaticity is a special type of aromaticity believed to exist in a number of organic molecules. In terms of molecular orbital theory these compounds have in common a monocyclic array of molecular orbitals in which there is an odd number of out-of-phase overlaps, the opposite pattern compared to the aromatic character to Hückel systems. The nodal plane of the orbitals, viewed as a ribbon, is a Möbius strip, rather than a cylinder, hence the name. The pattern of orbital energies is given by a rotated Frost circle (with the edge of the polygon on the bottom instead of a vertex), so systems with 4n electrons are aromatic, while those with 4n + 2 electrons are anti-aromatic/non-aromatic. Due to incrementally twisted nature of the orbitals of a Möbius aromatic syste
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Em química orgânica, a aromati ...... tizado em 2003 pelo grupo de .
@pt
In organic chemistry, Möbius a ...... nal and experimental evidence.
@en
Ароматичність Мебіуса (рос. ар ...... етувати стереохімію продуктів.
@uk
メビウス芳香族性(メビウスほうこうぞくせい、Möbius a ...... 環状化合物や、よじれた環状遷移状態を安定化させる要因となる。
@ja
在有机化学中,莫比乌斯芳香性是一类被认为存在于许多有机分子中 ...... 4n或4n+2个电子的反应是允许还是禁阻的。这种方法使用了。
@zh
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Em química orgânica, a aromati ...... tizado em 2003 pelo grupo de .
@pt
In organic chemistry, Möbius a ...... als of a Möbius aromatic syste
@en
Ароматичність Мебіуса (рос. ар ...... істю до ароматичності Гюккеля.
@uk
メビウス芳香族性(メビウスほうこうぞくせい、Möbius a ...... 環状化合物や、よじれた環状遷移状態を安定化させる要因となる。
@ja
在有机化学中,莫比乌斯芳香性是一类被认为存在于许多有机分子中 ...... 4n或4n+2个电子的反应是允许还是禁阻的。这种方法使用了。
@zh
label
Aromaticidade Möbius
@pt
Möbius aromaticity
@en
Ароматичність Мебіуса
@uk
メビウス芳香族性
@ja
莫比乌斯芳香性
@zh