5-coordinate: square based pyramidal (p-block element, 0 lone pairs)

catena–1D-[Tl(μ₃-Cl)(CH₂SiMe₃)₂]

Formula Unicode styled: 
catena–1D-[Tl(μ₃-Cl)(CH₂SiMe₃)₂]
Compound name(s): 
catena-[Di-μ₂-chloro-tetrakis(trimethylsilylmethyl)-di-thallium]
Central atom: 
Thallium
Attached groups: 
Cl (μ₃-chloro)
CH₂SiMe₃ (trimethylsilylmethyl)
Charge on central atom: 
0
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Tl«V3C5OIIIE10B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Bi(Ph)₃(C₆Cl₅)₂]

Formula Unicode styled: 
[Bi(Ph)₃(C₆Cl₅)₂]
Compound name(s): 
bis(Pentachlorophenolato)-triphenyl-bismuth
Central atom: 
Bismuth
Attached groups: 
Ph (phenyl)
C₆Cl₅ (pentachlorophenyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Bi«V5C5OVE10B5Z0L0X5»
[MLXZ]𝘲 class: 
[MX5]
MLXZ class (ENC, equivalent neutral class): 
MX5

[Bi(C₆H₄F)₃(C₆F₅)₂]

Formula Unicode styled: 
[Bi(C₆H₄F)₃(C₆F₅)₂]
Compound name(s): 
tris(p-Fluorophenyl)-bis(pentafluorophenyl)-bismuth
Central atom: 
Bismuth
Attached groups: 
C₆H₄F (p-fluorophenyl)
C₆F₅ (pentafluorophenyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Bi«V5C5OVE10B5Z0L0X5»
[MLXZ]𝘲 class: 
[MX5]
MLXZ class (ENC, equivalent neutral class): 
MX5