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  2. Molecular orbital diagram - Wikipedia

    en.wikipedia.org/wiki/Molecular_orbital_diagram

    In carbon monoxide (CO, isoelectronic with dinitrogen) the oxygen 2s orbital is much lower in energy than the carbon 2s orbital and therefore the degree of mixing is low. The electron configuration 1σ 2 1σ* 2 2σ 2 2σ* 2 1π 4 3σ 2 is identical to that of nitrogen. The g and u subscripts no longer apply because the molecule lacks a center ...

  3. Carbon monoxide - Wikipedia

    en.wikipedia.org/wiki/Carbon_monoxide

    Carbon monoxide (chemical formula CO) is a poisonous, flammable gas that is colorless, odorless, tasteless, and slightly less dense than air. Carbon monoxide consists of one carbon atom and one oxygen atom connected by a triple bond. It is the simplest carbon oxide. In coordination complexes, the carbon monoxide ligand is called carbonyl. It is ...

  4. Carbon monoxide (data page) - Wikipedia

    en.wikipedia.org/wiki/Carbon_monoxide_(data_page)

    Structure and properties Index of refraction, n D: 1.0003364 Abbe number? Dielectric constant, ... Carbon monoxide (data page) 1 language ...

  5. Pi backbonding - Wikipedia

    en.wikipedia.org/wiki/Pi_backbonding

    [5] [6] This electron transfer strengthens the metal–ligand bond and weakens the C–C bonds within the ligand. [7] In the case of metal-alkenes and alkynes, the strengthening of the M–C 2 R 4 and M–C 2 R 2 bond is reflected in bending of the C–C–R angles which assume greater sp 3 and sp 2 character, respectively.

  6. Metal carbonyl - Wikipedia

    en.wikipedia.org/wiki/Metal_carbonyl

    The highest occupied molecular orbital of CO is a σ MO Energy level scheme of the σ and π orbitals of carbon monoxide The lowest unoccupied molecular orbital (LUMO) of CO is a π* antibonding MO Diagram showing synergic π backbonding in transition metal carbonyls. Carbon monoxide bonds to transition metals using "synergistic pi* back ...

  7. Multiplicity (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Multiplicity_(chemistry)

    Each is therefore an unpaired electron, but the total spin is zero and the multiplicity is 2S + 1 = 1 despite the two unpaired electrons. The multiplicity of the second excited state is therefore not equal to the number of its unpaired electrons plus one, and the rule which is usually true for ground states is invalid for this excited state.

  8. Bond order - Wikipedia

    en.wikipedia.org/wiki/Bond_order

    In carbon monoxide, − C≡O +, the bond order between carbon and oxygen is 3. In thiazyl trifluoride N≡SF 3, the bond order between sulfur and nitrogen is 3, and between sulfur and fluorine is 1. In diatomic oxygen O=O the bond order is 2 (double bond). In ethylene H 2 C=CH 2 the bond order between the two

  9. Electron configuration - Wikipedia

    en.wikipedia.org/wiki/Electron_configuration

    In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. [1] For example, the electron configuration of the neon atom is 1s 2 2s 2 2p 6 , meaning that the 1s, 2s, and 2p subshells are occupied by two, two, and six ...