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

[Hg(Br){NCH(CH)₄}]⊕

Formula Unicode styled: 
[Hg(Br){NCH(CH)₄}]⊕
Compound name(s): 
Bromo-pyridyl-mercury(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

[Hg(Br)₂{NCH(CH)₄}₂]

Formula Unicode styled: 
[Hg(Br)₂{NCH(CH)₄}₂]
Compound name(s): 
Dibromo-dipyridine-mercury
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

trans–[Ta(Cl)₄{NCH(CH)₄}₂]

Formula Unicode styled: 
trans–[Ta(Cl)₄{NCH(CH)₄}₂]
Compound name(s): 
Tetrachloro-bis(pyridine)-tantalum
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

[Ta(Me){N(SiMe₃)₂}₂{NCH(CH)₄}₂]

Formula Unicode styled: 
[Ta(Me){N(SiMe₃)₂}₂{NCH(CH)₄}₂]
Compound name(s): 
bis(Tri-t-butylsilylimino)-dipyridine-methyl-tantalum
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

[Ta(F)₄{NCH(CH)₄}₄]⊕

Formula Unicode styled: 
[Ta(F)₄{NCH(CH)₄}₄]⊕
Compound name(s): 
tetrafluoro-tetrakis(pyridine)-tantalum(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

mer–[Ta(Cl)₃{NCH(CH)₄}₃]

Formula Unicode styled: 
mer–[Ta(Cl)₃{NCH(CH)₄}₃]
Compound name(s): 
tris(Pyridine)-trichloro-tantalum
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

mer–[Ta(Cl)₃(EtC≡CEt){NCH(CH)₄}₂]

Formula Unicode styled: 
mer–[Ta(Cl)₃(EtC≡CEt){NCH(CH)₄}₂]
Compound name(s): 
Trichloro-dipyridine-(η-hex-3-yne)-tantalum
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

mer–[Ta(Cl)₃(=NBuᵗ){NCH(CH)₄}₂]

Formula Unicode styled: 
mer–[Ta(Cl)₃(=NBuᵗ){NCH(CH)₄}₂]
Compound name(s): 
t-Butylimido-trichloro-dipyridine-tantalum
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

cis–[Hf(OBuᵗ)₄{NCH(CH)₄}₂]

Formula Unicode styled: 
cis–[Hf(OBuᵗ)₄{NCH(CH)₄}₂]
Compound name(s): 
tetrakis-t-butoxo-dipyridine-hafnium
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

mer–[Os(NCS-κN)₃{NCH(CH)₄}₃]

Formula Unicode styled: 
mer–[Os(NCS-κN)₃{NCH(CH)₄}₃]
Compound name(s): 
tris(Isothiocyanato)-tris(pyridyl)-osmium
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

mer–[Os(Cl)₃{NCH(CH)₄}₃]

Formula Unicode styled: 
mer–[Os(Cl)₃{NCH(CH)₄}₃]
Compound name(s): 
Trichloro-tris(pyridyl)-osmium
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

mer–[Os(Br)₃{NCH(CH)₄}₃]

Formula Unicode styled: 
mer–[Os(Br)₃{NCH(CH)₄}₃]
Compound name(s): 
Tribromo-tris(pyridine)-osmium
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

mer–[Os(I)₃{NCH(CH)₄}₃]

Formula Unicode styled: 
mer–[Os(I)₃{NCH(CH)₄}₃]
Compound name(s): 
Tri-iodo-tris(pyridine)-osmium
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

[Os(H)₄{NCH(CH)₄}(PPrⁱ₃)₂]

Formula Unicode styled: 
[Os(H)₄{NCH(CH)₄}(PPrⁱ₃)₂]
Compound name(s): 
Tetrahydrido-(pyridine)-bis(tri-isopropylphosphine)-osmium
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

trans–[Os(Cl)₄{NCH(CH)₄}₂]⊖

Formula Unicode styled: 
trans–[Os(Cl)₄{NCH(CH)₄}₂]⊖
Compound name(s): 
tetrachloro-bis(pyridine)-osmium(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

trans–[Os(Br)₄{NCH(CH)₄}₂]⊖

Formula Unicode styled: 
trans–[Os(Br)₄{NCH(CH)₄}₂]⊖
Compound name(s): 
tetrabromo-bis(pyridine)-osmium(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

trans–[Os(=CPh₂){NCH(CH)₄}(Ttp)]

Formula Unicode styled: 
trans–[Os(=CPh₂){NCH(CH)₄}(Ttp)]
Compound name(s): 
(diphenylcarbene)-(pyridine)-(5,10,15,20-tetra-p-tolylporphyrinato)-osmium
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

trans–[Os(C₆F₅)₂(O)₂{NCH(CH)₄}₂]

Formula Unicode styled: 
trans–[Os(C₆F₅)₂(O)₂{NCH(CH)₄}₂]
Compound name(s): 
Dioxo-bis(pentafluorophenyl)-dipyridyl-osmium
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

trans–[Os(F)₂{NCH(CH)₄}₄]

Formula Unicode styled: 
trans–[Os(F)₂{NCH(CH)₄}₄]
Compound name(s): 
Difluoro-tetrakis(pyridine)-osmium
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

[Os(CN)₂(O)₂{NCH(CH)₄}₂]

Formula Unicode styled: 
[Os(CN)₂(O)₂{NCH(CH)₄}₂]
Compound name(s): 
Dicyano-di-pyridyl-di-oxo-osmium
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