5-coordinate: square-based pyramid (SPY-5)

[Mo(O)(Se₄)₂]²⊖

Formula Unicode styled: 
[Mo(O)(Se₄)₂]²⊖
Compound name(s): 
bis(tetraselenido-Se,Se')-oxo-molybdenum(2-)
Central atom: 
Charge on central atom: 
-2
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: 
Mo«V4C5OIVE16B7Z0X6L1»2⊖
[MLXZ]𝘲 class: 
[MX6L1]2-
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[W{(CH₂)₄}(OSiPh₃)₂(⭀NPh)]

Formula Unicode styled: 
[W{(CH₂)₄}(OSiPh₃)₂(⭀NPh)]
Compound name(s): 
(butane-1,4-diyl)-bis(triphenylsilanolato)-(phenylimino)-tungsten
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: 
W«V6C5OVIE14B7Z0X6L1»
[MLXZ]𝘲 class: 
[MX6L1]
MLXZ class (ENC, equivalent neutral class): 
MX6L1

catena–1D-[Hg(Cl)(μ₃-Cl){Se(CH₂)₄O-κSe]

Formula Unicode styled: 
catena–1D-[Hg(Cl)(μ₃-Cl){Se(CH₂)₄O-κSe]
Compound name(s): 
catena-[dichloro-tetrahydroselenophene-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: 
Hg«V2C5OIIE10B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

catena–2D-[Hg(μ₃-Br)(μ₂-SMe)]

Formula Unicode styled: 
catena–2D-[Hg(μ₃-Br)(μ₂-SMe)]
Compound name(s): 
catena-[(μ₃-bromo)-(μ₂-methylmercapto)-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: 
Hg«V2C5OIIE10B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Be(Ph)(12-crown-4-κ⁴O)]⊕

Formula Unicode styled: 
[Be(Ph)(12-crown-4-κ⁴O)]⊕
Compound name(s): 
phenyl-(12-crown-4)-beryllium(2+)
Central atom: 
Charge on central atom: 
1
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: 
Be«V2C5OIIE10B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]+
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Li{N(SiMe₃)₂}(12-crown-4-κ⁴O)]

Formula Unicode styled: 
[Li{N(SiMe₃)₂}(12-crown-4-κ⁴O)]
Compound name(s): 
12-Crown-4)-bis(trimethylsilyl)amide-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: 
Li«V1C5OIE10B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Ag(CF₃)₃(Bpy)]

Formula Unicode styled: 
[Ag(CF₃)₃(Bpy)]
Compound name(s): 
(2,2'-bipyridine)-tris(trifluoromethyl)-silver
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: 
Ag«V3C5OIIIE18B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Co(NO){OC(CF₃)₂C(CF₃)₂O}(Dppe-κ²P)]

Formula Unicode styled: 
[Co(NO){OC(CF₃)₂C(CF₃)₂O}(Dppe-κ²P)]
Compound name(s): 
(1,1,1,4,4,4-hexafluoro-2,3-bis(trifluoromethyl)butane-2,3-diolato)-(1,2-bis(diphenylphosphino)ethane)-nitrosyl-cobalt
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: 
Co«V5C5OIE16B6X3L2Z1»
[MLXZ]𝘲 class: 
[MX3L2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX5L1

[Co(NO){OC(CF₃)₂C(CF₃)₂O}(Phen)]

Formula Unicode styled: 
[Co(NO){OC(CF₃)₂C(CF₃)₂O}(Phen)]
Compound name(s): 
(1,1,1,4,4,4-hexafluoro-2,3-bis(trifluoromethyl)butane-2,3-diolato)-(1,10-phenanthroline)-nitrosyl-cobalt
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: 
Co«V5C5OIE16B6X3L2Z1»
[MLXZ]𝘲 class: 
[MX3L2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX5L1

trans-[U(O)₂{N(SiMe₃)₂}₃]⊖

Formula Unicode styled: 
trans-[U(O)₂{N(SiMe₃)₂}₃]⊖
Compound name(s): 
dioxo-tris(bis(trimethylsilyl)amide)-uranium(1-)
Central atom: 
Charge on central atom: 
-1
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: 
U«V6C5OVIE24B12Z0X7L5»
[MLXZ]𝘲 class: 
[MX7L5]-
MLXZ class (ENC, equivalent neutral class): 
MX6L6

[Cu(OC{O}H-κO)(OH₂)(Terpy-κ³N)]⊕

Formula Unicode styled: 
[Cu(OC{O}H-κO)(OH₂)(Terpy-κ³N)]⊕
Compound name(s): 
Aqua-(formato-O)-(2,2':6',2''-terpyridine-N,N',N'')-copper(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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Tl(F)]

Formula Unicode styled: 
[Tl(F)]
Compound name(s): 
thallium fluoride
thallous fluoride
monofluoro-thallium
Central atom: 
Attached groups: 
Charge on central atom: 
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: 
F«V7C5O-I»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Y(CH₂SiMe₃)₂{μ₃-OSi(OBuᵗ₃)}]₂

Formula Unicode styled: 
[Y(CH₂SiMe₃)₂{μ₃-OSi(OBuᵗ₃)}]₂
Compound name(s): 
bis-[(μ2-tris(t-butoxy)siloxo-O,O,O')-tetrakis(trimethylsilylmethyl)-yttrium]
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: 
Y«V3C5OIIIE10B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Br(In)]

Formula Unicode styled: 
[Br(In)]
Compound name(s): 
bromo-indium|Indium monobromide
Central atom: 
Attached groups: 
Charge on central atom: 
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: 
Br«V1C5O-I»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

cis–[Re(CH₂Buᵗ)₂(O)(μ₂-S)]₂

Formula Unicode styled: 
cis–[Re(CH₂Buᵗ)₂(O)(μ₂-S)]₂
Compound name(s): 
syn-bis[bis(neopentyl)-oxo-(μ₂-sulfido)-rhenium] (Re—Re)
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: 
Re«V7C6OVIE18B9Z0X7L2»
[MLXZ]𝘲 class: 
[MX7L2]
MLXZ class (ENC, equivalent neutral class): 
MX7L2

[Tc(Br)₄]₂⁴⊖

Formula Unicode styled: 
[Tc(Br)₄]₂⁴⊖
Compound name(s): 
bis-[tetrabromo-technetium(Tc≣Tc)(2-)]
Central atom: 
Attached groups: 
Charge on central atom: 
-2
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: 
Tc«V6C5OIIE17B8Z0L0X8»2⊖
[MLXZ]𝘲 class: 
[MX8]2-
MLXZ class (ENC, equivalent neutral class): 
MX6L2

[Ru(F)₄(O)]

Formula Unicode styled: 
[Ru(F)₄(O)]
Compound name(s): 
tetrafluoro-oxo-ruthenium
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: 
Ru«V6C5OVIE16B7Z0X6L1»
[MLXZ]𝘲 class: 
[MX6L1]
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Re(η³-C₃H₅)₂]₂

Formula Unicode styled: 
[Re(η³-C₃H₅)₂]₂
Compound name(s): 
bis-[di(η³-Allyl)-rhenium]
Central atom: 
Attached groups: 
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: 
Re«V5C5OIIE16B7Z0X5L2»
[MLXZ]𝘲 class: 
[MX5L2]
MLXZ class (ENC, equivalent neutral class): 
MX5L2

[Re(Xy)(⭀NBuᵗ)(O)(O)]₂

Formula Unicode styled: 
[Re(Xy)(⭀NBuᵗ)(O)(O)]₂
Compound name(s): 
bis-[(μ₂-oxo)-oxo-(t-Butylimido-N)-xylyl-rhenium]
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: 
Re«V7C4OVIIE18B9Z0X7L2»
[MLXZ]𝘲 class: 
[MX7L2]
MLXZ class (ENC, equivalent neutral class): 
MX7L2

[Re(μ₂-SPh)(S₂C₆H₄-κ²S)(O)]₂

Formula Unicode styled: 
[Re(μ₂-SPh)(S₂C₆H₄-κ²S)(O)]₂
Compound name(s): 
bis-[(μ₂-Phenylthiolato)-oxo-(1,2-benzenedithiolato)-rhenium
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: 
Re«V5C5OVE16B7Z0X5L2»
[MLXZ]𝘲 class: 
[MX5L2]
MLXZ class (ENC, equivalent neutral class): 
MX5L2