8-coordinate: hexagonal bipyramid (HBPY-8)

trans–[Ca(PPh₂)₂(18-crown-6-κ⁶O)]

Formula Unicode styled: 
trans–[Ca(PPh₂)₂(18-crown-6-κ⁶O)]
Compound name(s): 
bis(Diphenylphosphinyl)-(18-crown-6)-calcium
Central atom: 
Calcium
Attached groups: 
PPh₂ (diphenylphosphanyl)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Ca«V2C8OIIE16B8Z0X2L6»
[MLXZ]𝘲 class: 
[MX2L6]
MLXZ class (ENC, equivalent neutral class): 
MX2L6

trans–[Ca(NCMe)₂([18]aneO₄N₂-κ²N,κ⁴O)]²⊕

Formula Unicode styled: 
trans–[Ca(NCMe)₂([18]aneO₄N₂-κ²N,κ⁴O)]²⊕
Compound name(s): 
bis(Acetonitrile-N)-(1,4,10,13-tetraoxa-7,16-diazacyclo-octadecane-N,N',O,O',O'',O''')-calcium(2+)
Central atom: 
Calcium
Attached groups: 
NCMe (acetonitrile)
[18]aneO₄N₂ (tetraoxa-7,16-diazacyclooctadecane-κ²N,κ⁴O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Ca«V2C8OIIE16B8Z0X0L8»2⊕
[MLXZ]𝘲 class: 
[ML8]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L6

trans–[Ca(C≡CSiPh₃)₂(18-crown-6-κ⁶O)]

Formula Unicode styled: 
trans–[Ca(C≡CSiPh₃)₂(18-crown-6-κ⁶O)]
Compound name(s): 
(18-Crown-6)-bis(2-(triphenylsilyl)ethynyl)-calcium
Central atom: 
Calcium
Attached groups: 
C≡CSiPh₃ (triphenylsilylalkynyl)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Ca«V2C8OIIE16B8Z0X2L6»
[MLXZ]𝘲 class: 
[MX2L6]
MLXZ class (ENC, equivalent neutral class): 
MX2L6

[Sr{OP(NMe₂)₃}₂(18-crown-6-κ⁶O)]²⊕

Formula Unicode styled: 
[Sr{OP(NMe₂)₃}₂(18-crown-6-κ⁶O)]²⊕
Compound name(s): 
(18-Crown-6)-bis(hexamethylphosphoramide-O)-strontium(2+)
Central atom: 
Strontium
Attached groups: 
OP(NMe₂)₃ (tris(dimethylamino)phosphane oxide)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Sr«V2C8OIIE16B8Z0X0L8»2⊕
[MLXZ]𝘲 class: 
[ML8]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L6

[Sr(C≡CSiPh₃)₂(18-crown-6-κ⁶O)]

Formula Unicode styled: 
[Sr(C≡CSiPh₃)₂(18-crown-6-κ⁶O)]
Compound name(s): 
(18-Crown-6)-bis(2-(triphenylsilyl)ethynyl)-strontium
Central atom: 
Strontium
Attached groups: 
C≡CSiPh₃ (triphenylsilylalkynyl)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Sr«V2C8OIIE16B8Z0X2L6»
[MLXZ]𝘲 class: 
[MX2L6]
MLXZ class (ENC, equivalent neutral class): 
MX2L6

[Sr(C≡CBuᵗ)₂(18-crown-6-κ⁶O)]

Formula Unicode styled: 
[Sr(C≡CBuᵗ)₂(18-crown-6-κ⁶O)]
Compound name(s): 
bis(2-(4-t-Butylphenyl)ethynyl)-(18-crown-6)-strontium
Central atom: 
Strontium
Attached groups: 
C≡CBuᵗ (t-butyl-ethynyl)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Sr«V2C8OIIE16B8Z0X2L6»
[MLXZ]𝘲 class: 
[MX2L6]
MLXZ class (ENC, equivalent neutral class): 
MX2L6

[K{O=CH(NMe₂)-κO}₂(dibenzo-18-crown-6-κ⁶O)]⊕

Formula Unicode styled: 
[K{O=CH(NMe₂)-κO}₂(dibenzo-18-crown-6-κ⁶O)]⊕
Compound name(s): 
(dibenzo-18-crown-6)-bis(N,N-dimethylformamide)-potassium(1+)
Central atom: 
Potassium
Attached groups: 
O=CH(NMe₂) (dimethylformamido-κO)
dibenzo-18-crown-6 (dibenzo-18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X0L8»⊕
[MLXZ]𝘲 class: 
[ML8]+
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(Thf)₂(18-crown-6-κ⁶O)]⊕

Formula Unicode styled: 
[K(Thf)₂(18-crown-6-κ⁶O)]⊕
Compound name(s): 
(18-Crown-6)-bis-(tetrahydrofuran-O)-potassium(1+)
Central atom: 
Potassium
Attached groups: 
Thf (tetrahydrofuran)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X0L8»⊕
[MLXZ]𝘲 class: 
[ML8]+
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(SiH₃)(Thf)(18-crown-6-κ⁶O)]

Formula Unicode styled: 
[K(SiH₃)(Thf)(18-crown-6-κ⁶O)]
Compound name(s): 
(18-crown-6)-silyl-(tetrahydrofuran)-potassium
Central atom: 
Potassium
Attached groups: 
SiH₃ (silyl)
Thf (tetrahydrofuran)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X1L7»
[MLXZ]𝘲 class: 
[MX1L7]
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(Py)₂(18-crown-6-κ⁶O)]⊕

Formula Unicode styled: 
[K(Py)₂(18-crown-6-κ⁶O)]⊕
Compound name(s): 
Dipyridyl-(18-crown-6)-potassium(1+)
Central atom: 
Potassium
Attached groups: 
Py (pyridine)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X0L8»⊕
[MLXZ]𝘲 class: 
[ML8]+
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(OPh)(OHPh)(dicyclohexyl-18-crown-6-κ⁶O)]

Formula Unicode styled: 
[K(OPh)(OHPh)(dicyclohexyl-18-crown-6-κ⁶O)]
Compound name(s): 
(Dicyclohexano-18-crown-6)-phenol-phenoxy-potassium
Central atom: 
Potassium
Attached groups: 
OPh (phenoxy)
OHPh (phenol)
dicyclohexyl-18-crown-6 (dicyclohexyl-18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X1L7»
[MLXZ]𝘲 class: 
[MX1L7]
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(OHMe)₂(18-crown-6-κ⁶O)]⊕

Formula Unicode styled: 
[K(OHMe)₂(18-crown-6-κ⁶O)]⊕
Compound name(s): 
(18-crown-6)-bis(methanol)-potassium(1+)
Central atom: 
Potassium
Attached groups: 
OHMe (methanol)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X0L8»⊕
[MLXZ]𝘲 class: 
[ML8]+
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(OH₂)₂(18-crown-6-κ⁶O)]⊕

Formula Unicode styled: 
[K(OH₂)₂(18-crown-6-κ⁶O)]⊕
Compound name(s): 
Diaqua-(18-crown-6)-potassium(1+)
Central atom: 
Potassium
Attached groups: 
OH₂ (aqua)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X0L8»⊕
[MLXZ]𝘲 class: 
[ML8]+
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(OH₂)(Thf)(18-crown-6-κ⁶O)]⊕

Formula Unicode styled: 
[K(OH₂)(Thf)(18-crown-6-κ⁶O)]⊕
Compound name(s): 
Aqua-(18-crown-6)-(tetrahydrofuran)-potassium(1+)
Central atom: 
Potassium
Attached groups: 
OH₂ (aqua)
Thf (tetrahydrofuran)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X0L8»⊕
[MLXZ]𝘲 class: 
[ML8]+
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(OEt₂)₂(18-crown-6-κ⁶O)]⊕

Formula Unicode styled: 
[K(OEt₂)₂(18-crown-6-κ⁶O)]⊕
Compound name(s): 
Bis-diethyl ether-(18-crown-6)-potassium(1+)
Central atom: 
Potassium
Attached groups: 
OEt₂ (diethylether)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X0L8»⊕
[MLXZ]𝘲 class: 
[ML8]+
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(O=CMe₂)₂(18-crown-6-κ⁶O)]⊕

Formula Unicode styled: 
[K(O=CMe₂)₂(18-crown-6-κ⁶O)]⊕
Compound name(s): 
(18-crowm-6)-diacetone-potassium(1+)
Central atom: 
Potassium
Attached groups: 
O=CMe₂ (acetone)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X0L8»⊕
[MLXZ]𝘲 class: 
[ML8]+
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(ClO₄-κO)(OPPh₃)(18-crown-6-κ⁶O)]

Formula Unicode styled: 
[K(ClO₄-κO)(OPPh₃)(18-crown-6-κ⁶O)]
Compound name(s): 
(Perchlorato-O)-(triphenylphosphine oxide-O)-(18-crown-6)-potassium
Central atom: 
Potassium
Attached groups: 
ClO₄ (perchlorato-κO)
OPPh₃ (triphenylphosphane oxide)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X1L7»
[MLXZ]𝘲 class: 
[MX1L7]
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(NH₃)₂(18-crown-6-κ⁶O)]⊕

Formula Unicode styled: 
[K(NH₃)₂(18-crown-6-κ⁶O)]⊕
Compound name(s): 
diammine-(18-crown-6)-potassium(1+)
Central atom: 
Potassium
Attached groups: 
NH₃ (ammine)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X0L8»⊕
[MLXZ]𝘲 class: 
[ML8]+
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(NH₂Me)₂(18-crown-6-κ⁶O)]⊕

Formula Unicode styled: 
[K(NH₂Me)₂(18-crown-6-κ⁶O)]⊕
Compound name(s): 
(18-Crown-6)-bis(methylamine)-potassium(1+)
Central atom: 
Potassium
Attached groups: 
NH₂Me (methylamine)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X0L8»⊕
[MLXZ]𝘲 class: 
[ML8]+
MLXZ class (ENC, equivalent neutral class): 
MX1L7

[K(I)(OPPh₃)(18-crown-6-κ⁶O)]

Formula Unicode styled: 
[K(I)(OPPh₃)(18-crown-6-κ⁶O)]
Compound name(s): 
(18-Crown-6)-iodo-(triphenylphosphine oxide)-potassium
Central atom: 
Potassium
Attached groups: 
I (iodo)
OPPh₃ (triphenylphosphane oxide)
18-crown-6 (18-crown-6-κ⁶O)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
K«V1C8OIE16B8Z0X1L7»
[MLXZ]𝘲 class: 
[MX1L7]
MLXZ class (ENC, equivalent neutral class): 
MX1L7