Lewis acid (Z)

[Bi{Cr(CO)₅}₃{Fe(CO)₄}]³⊖

Formula Unicode styled: 
[Bi{Cr(CO)₅}₃{Fe(CO)₄}]³⊖
Compound name(s): 
tris-{(pentacarbonyl)-chromium}-(tetracarbonyl-iron)-bismuth(3-)
Central atom: 
Bismuth
Attached groups: 
Cr(CO)₅ (pentacarbonylchromium)
Fe(CO)₄ (tetracarbonyliron)
Charge on central atom: 
-3
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (-III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Bi«V5C4O-IIIE8B4L0X0Z4»3⊖
[MLXZ]𝘲 class: 
[MZ4]3-
MLXZ class (ENC, equivalent neutral class): 
MX3Z1

[Bi{Cr(CO)₅}₄]³⊖

Formula Unicode styled: 
[Bi{Cr(CO)₅}₄]³⊖
Compound name(s): 
tetrakis-{(pentacarbonyl)-chromium}-bismuth-(3-)
Central atom: 
Bismuth
Attached groups: 
Cr(CO)₅ (pentacarbonylchromium)
Charge on central atom: 
-3
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (-III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Bi«V5C4O-IIIE8B4L0X0Z4»3⊖
[MLXZ]𝘲 class: 
[MZ4]3-
MLXZ class (ENC, equivalent neutral class): 
MX3Z1

[Pb{Mn(CO)₂Cp'}{Mn₂(CO)₄Cp'₂}]

Formula Unicode styled: 
[Pb{Mn(CO)₂Cp'}{Mn₂(CO)₄Cp'₂}]
Compound name(s): 
tris-{dicarbonyl)-(η⁵-methylcyclopentadienyl)-manganese}-lead
Central atom: 
Lead
Attached groups: 
Mn group (X₂ type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Pb«V4C3O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Pb{Fe(CO)₄}₃]²⊖

Formula Unicode styled: 
[Pb{Fe(CO)₄}₃]²⊖
Compound name(s): 
tris-(tetracarbonyl-iron)-iron(2-)
Central atom: 
Lead
Attached groups: 
Fe(CO)₄ (tetracarbonyliron)
Charge on central atom: 
-2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
Pb«V4C3O-IIE6B3L0X0Z3»2⊖
[MLXZ]𝘲 class: 
[MZ3]2-
MLXZ class (ENC, equivalent neutral class): 
MX2Z1