=(CR)₄NHM (pyridine backbone X₂ + X type complex)

catena–1D-[K{NCH(CH)₄}₂(μ₂-η⁵,η⁵-Cp*)]

Formula Unicode styled: 
catena–1D-[K{NCH(CH)₄}₂(μ₂-η⁵,η⁵-Cp*)]
Compound name(s): 
catena-[(μ₂-η⁵,η⁵-Pentamethyl-cyclopentadienyl)-di-pyridine-potassium]
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Na{NCH(CH)₄}₆]⊕

Formula Unicode styled: 
[Na{NCH(CH)₄}₆]⊕
Compound name(s): 
hexakis(Pyridine)-sodium(1+)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Na{NCH(CH)₄}₂(18-crown-6-κ⁶O)]⊕

Formula Unicode styled: 
[Na{NCH(CH)₄}₂(18-crown-6-κ⁶O)]⊕
Compound name(s): 
(18-crown-6)-di-pyridine-sodium(1+)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Na(OC₆H₃Buᵗ₂-2,6){NCH(CH)₄}₄]

Formula Unicode styled: 
[Na(OC₆H₃Buᵗ₂-2,6){NCH(CH)₄}₄]
Compound name(s): 
(2,6-Di-t-butylphenolato)-tetrakis(pyridine)-sodium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Li(CCl₂H){NCH(CH)₄}₃]

Formula Unicode styled: 
[Li(CCl₂H){NCH(CH)₄}₃]
Compound name(s): 
Dichloromethyl-tripyridyl-lithium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

catena–1D-[Li(μ₂-CN){NCH(CH)₄}₂]

Formula Unicode styled: 
catena–1D-[Li(μ₂-CN){NCH(CH)₄}₂]
Compound name(s): 
catena-[(μ₂-Cyano)-dipyridine-lithium]
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

catena–1D-[Li(μ₃-Cl){NCH(CH)₄}]

Formula Unicode styled: 
catena–1D-[Li(μ₃-Cl){NCH(CH)₄}]
Compound name(s): 
catena-[chloro-pyridine lithium]
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Be(Br){NCH(CH)₄}₃]⊕

Formula Unicode styled: 
[Be(Br){NCH(CH)₄}₃]⊕
Compound name(s): 
bromo-tris(pyridine)-beryllium(1+)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Ba{NCH(CH)₄}₃(Cp*)₂]

Formula Unicode styled: 
[Ba{NCH(CH)₄}₃(Cp*)₂]
Compound name(s): 
bis(η⁵-Pentamethyl-cyclopentadienyl)-tris(pyridine)-barium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Ba(OC₆H₂Buᵗ₂-2,6-Me-4)₂{NCH(CH)₄}₃]

Formula Unicode styled: 
[Ba(OC₆H₂Buᵗ₂-2,6-Me-4)₂{NCH(CH)₄}₃]
Compound name(s): 
bis(2,6-di-t-butylphenolato)(tris(pyridine))-barium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

fac–[Dy(OSiPh₃)₃{NCH(CH)₄}₃]

Formula Unicode styled: 
fac–[Dy(OSiPh₃)₃{NCH(CH)₄}₃]
Compound name(s): 
tris(Triphenylsiloxido)-tris(pyridine)-dysprosium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

fac–[Dy(OC₆H₃Prⁱ₂-2,6)₃{NCH(CH)₄}₃]

Formula Unicode styled: 
fac–[Dy(OC₆H₃Prⁱ₂-2,6)₃{NCH(CH)₄}₃]
Compound name(s): 
tris(2,6-Di-isopropylphenoxido)-tris(pyridine)-dysprosium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

fac–[Dy(OC₆H₃Me₂-2,6)₃{NCH(CH)₄}₃]

Formula Unicode styled: 
fac–[Dy(OC₆H₃Me₂-2,6)₃{NCH(CH)₄}₃]
Compound name(s): 
tris(2,6-Dimethylphenoxido)-tris(pyridine)-dysprosium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Dy(OC₆H₃Buᵗ₂-2,6)₃{NCH(CH)₄}₂]

Formula Unicode styled: 
[Dy(OC₆H₃Buᵗ₂-2,6)₃{NCH(CH)₄}₂]
Compound name(s): 
tris(2,6-Di-t-butylphenoxido)-bis(pyridine)-dysprosium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

catena–1D-[Tb(Cl)₃{NCH(CH)₄}₂(μ₂-Bpy-4,4')]

Formula Unicode styled: 
catena–1D-[Tb(Cl)₃{NCH(CH)₄}₂(μ₂-Bpy-4,4')]
Compound name(s): 
catena-[(μ₂-4,4'-bipyridine)-trichloro-bis(pyridine)-terbium]
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Na{NCH(CH)₄}₃(Cp*)]

Formula Unicode styled: 
[Na{NCH(CH)₄}₃(Cp*)]
Compound name(s): 
tripyridyl-(Pentamethyl-cyclopentadienyl)-sodium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Li(STol){NCH(CH)₄}₃]

Formula Unicode styled: 
[Li(STol){NCH(CH)₄}₃]
Compound name(s): 
o-Tolylthiolato-tripyridyl-lithium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Ba{TeSi(SiMe₃)₃}₂{NCH(CH)₄}₅]

Formula Unicode styled: 
[Ba{TeSi(SiMe₃)₃}₂{NCH(CH)₄}₅]
Compound name(s): 
bis(tris(Trimethylsilyl)silyltellurolato)-pentakis(pyridyl)-barium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Ba(O₂CCF₃-κO){NCH(CH)₄}(O₂CCF₃-κ²O)(18-crown-6-κ⁶O)]

Formula Unicode styled: 
[Ba(O₂CCF₃-κO){NCH(CH)₄}(O₂CCF₃-κ²O)(18-crown-6-κ⁶O)]
Compound name(s): 
(18-Crown-6)-pyridyl-(trifluoroacetato-O,O')-(trifluoroacetato-O)-barium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Ba{NCH(CH)₄}₂(η⁵-C₅Me₄Buᵗ)₂]

Formula Unicode styled: 
[Ba{NCH(CH)₄}₂(η⁵-C₅Me₄Buᵗ)₂]
Compound name(s): 
bis(η⁵-t-Butyl-tetramethyl-cyclopentadienyl)-bis(pyridine-N)-barium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4