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

[K(SnMe₃)(TMEDA-κ²N)₂]

Formula Unicode styled: 
[K(SnMe₃)(TMEDA-κ²N)₂]
Compound name(s): 
bis(N,N,N',N'-tetramethylethane-1,2-diamine)-(trimethylstannyl)-potassium
Central atom: 
Potassium
Attached groups: 
SnMe₃ (trimethylstannyl)
TMEDA (tetramethylethylenediamine-κ²N)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
K«V1C5OIE10B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[K(OH)]

Formula Unicode styled: 
[K(OH)]
Compound name(s): 
[hydroxo potassium]
potassium hydroxide
Central atom: 
Potassium
Attached groups: 
OH (hydroxo)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
K«V1C5OI»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Ca(OC₆H₂Buᵗ₃-2,4,6)₂(Thf)₃]

Formula Unicode styled: 
[Ca(OC₆H₂Buᵗ₃-2,4,6)₂(Thf)₃]
Compound name(s): 
bis(2,4,6-tris(t-Butyl)phenolato)-tris(tetrahydrofuran)-calcium
Central atom: 
Calcium
Attached groups: 
OC₆H₂Buᵗ₃-2,4,6 (tri-t-butylphenoxy-2,4,6)
Thf (tetrahydrofuran)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Ca«V2C5OIIE10B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Na(Thf)₅]⊕

Formula Unicode styled: 
[Na(Thf)₅]⊕
Compound name(s): 
pentakis(Tetrahydrofuran)-sodium(1+)
Central atom: 
Sodium
Attached groups: 
Thf (tetrahydrofuran)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Na«V1C5OIE10B5Z0X0L5»⊕
[MLXZ]𝘲 class: 
[ML5]+
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Na(OHMe)₅]⊕

Formula Unicode styled: 
[Na(OHMe)₅]⊕
Compound name(s): 
pentakis-methanol-sodium(1+)
Central atom: 
Sodium
Attached groups: 
OHMe (methanol)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Na«V1C5OIE10B5Z0X0L5»⊕
[MLXZ]𝘲 class: 
[ML5]+
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Na(OH)]

Formula Unicode styled: 
[Na(OH)]
Compound name(s): 
hydroxo-sodium
sodium hydroxide
Central atom: 
Sodium
Attached groups: 
OH (hydroxo)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
Na«V1C5OI»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Na(ClO₄-κO)(Phen)₂]

Formula Unicode styled: 
[Na(ClO₄-κO)(Phen)₂]
Compound name(s): 
perchlorato-bis(1,10-phenanthroline)-sodium
Central atom: 
Sodium
Attached groups: 
ClO₄ (perchlorato-κO)
Phen (phenanthroline)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Na«V1C5OIE10B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Na(I)(Phen)₂]

Formula Unicode styled: 
[Na(I)(Phen)₂]
Compound name(s): 
iodo-bis(1,10-phenanthroline)-sodium
Central atom: 
Sodium
Attached groups: 
I (iodo)
Phen (phenanthroline)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Na«V1C5OIE10B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Mg(OPMe₃)₅]²⊕

Formula Unicode styled: 
[Mg(OPMe₃)₅]²⊕
Compound name(s): 
pentakis(Trimethylphosphine oxide) magnesium(2+)
Central atom: 
Magnesium
Attached groups: 
OPMe₃ (trimethylphosphane oxide)
Charge on central atom: 
2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Mg«V2C5OIIE10B5Z0X0L5»2⊕
[MLXZ]𝘲 class: 
[ML5]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Mg(OAsMe₃)₅]²⊕

Formula Unicode styled: 
[Mg(OAsMe₃)₅]²⊕
Compound name(s): 
pentakis(Trimethylarsine oxide) magnesium(2+)
Central atom: 
Magnesium
Attached groups: 
OAsMe₃ (trimethylarsane oxide)
Charge on central atom: 
2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Mg«V2C5OIIE10B5Z0X0L5»2⊕
[MLXZ]𝘲 class: 
[ML5]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Li(NCS-κN)(16-crown-4-κ⁴O)]

Formula Unicode styled: 
[Li(NCS-κN)(16-crown-4-κ⁴O)]
Compound name(s): 
1,5,9,13-Tetraoxacyclohexadecane-thiocyanate-lithium
Central atom: 
Lithium
Attached groups: 
NCS (isothiocyanato-κN)
16-crown-4 (16-crown-4-κ⁴O)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Li«V1C5OIE10B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Rb(OH)]

Formula Unicode styled: 
[Rb(OH)]
Compound name(s): 
rubidium hydroxide
Central atom: 
Rubidium
Attached groups: 
OH (hydroxo)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
Rb«V1C5OI»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

catena–1D-[Na(Thf)(μ₃-O₂PPh₂-κ⁴O)]

Formula Unicode styled: 
catena–1D-[Na(Thf)(μ₃-O₂PPh₂-κ⁴O)]
Compound name(s): 
catena-[(μ₃-Diphenylphosphinato)-tetrahydrofuran-sodium]
Central atom: 
Sodium
Attached groups: 
Thf (tetrahydrofuran)
O₂PPh₂ (μ₃-diphenylphosphinate-κ⁴O)
Charge on central atom: 
0
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Na«V1C5OIE10B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

catena–2D-[Na(μ₅-NCS-κ²N,κ³S)]

Formula Unicode styled: 
catena–2D-[Na(μ₅-NCS-κ²N,κ³S)]
Compound name(s): 
catena-[thiocyanato-sodium]
Central atom: 
Sodium
Attached groups: 
NCS (μ₅-thiocyanato-κ²N,κ³S)
Charge on central atom: 
0
Compound type: 
Catena-2D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Na«V1C5OIE10B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Be(NC₅H₄CN)(Pc)]

Formula Unicode styled: 
[Be(NC₅H₄CN)(Pc)]
Compound name(s): 
(Isonicotinonitrile)-(phthalocyaninato)-beryllium
Central atom: 
Beryllium
Attached groups: 
NC₅H₄CN (Isonicotinonitrile)
Pc (phthalocyaninato)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Be«V2C5OIIE10B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Na₂(O₂)]

Formula Unicode styled: 
[Na₂(O₂)]
Compound name(s): 
disodium peroxide
peroxo-disodium
Central atom: 
Sodium
Attached groups: 
O₂ (peroxo)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
Na«V1C5OI»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Li(SCPh₃)(12-crown-4-κ⁴O)]

Formula Unicode styled: 
[Li(SCPh₃)(12-crown-4-κ⁴O)]
Compound name(s): 
(12-Crown-4)-(triphenylmethylthiolato)-lithium
Central atom: 
Lithium
Attached groups: 
SCPh₃ (triphenylmethylthio)
12-crown-4 (12-crown-4-κ⁴O)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Li«V1C5OIE10B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Li(NCS-κN)(benzo-13-crown-4-κ⁴O)]

Formula Unicode styled: 
[Li(NCS-κN)(benzo-13-crown-4-κ⁴O)]
Compound name(s): 
(Benzo-13-crown-4)-isothiocyanato-lithium
Central atom: 
Lithium
Attached groups: 
NCS (isothiocyanato-κN)
benzo-13-crown-4 (benzo-13-crown-4-κ⁴O)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Li«V1C5OIE10B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Cs(OH)]

Formula Unicode styled: 
[Cs(OH)]
Compound name(s): 
caesium hydroxide|hydroxo-caesium
Central atom: 
Caesium
Attached groups: 
OH (hydroxo)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
Cs«V1C5OI»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Ba(OC₆H₂Buᵗ₂-2,6-Me-4)₂(Thf)₃]

Formula Unicode styled: 
[Ba(OC₆H₂Buᵗ₂-2,6-Me-4)₂(Thf)₃]
Compound name(s): 
bis(2,6-Di-t-butyl-4-methylphenolato)-tris(tetrahydrofuran)-barium
Central atom: 
Barium
Attached groups: 
OC₆H₂Buᵗ₂-2,6-Me-4 (di-t-butylmethylphenoxy)
Thf (tetrahydrofuran)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Ba«V2C5OIIE10B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3