CN: 4

[Fe(CNXy)₄]²⊖

Formula Unicode styled: 
[Fe(CNXy)₄]²⊖
Compound name(s): 
tetrakis(xylylisocyanido)-iron(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: 
Fe«V2C4O-IIE18B6Z0X0L4»2⊖
[MLXZ]𝘲 class: 
[ML4]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe(η⁴-C₄H₆)₂]⊖

Formula Unicode styled: 
[Fe(η⁴-C₄H₆)₂]⊖
Compound name(s): 
bis(η⁴-buta-1,3-diene)-iron(1-)
Central atom: 
Attached groups: 
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: 
Fe«V1C4O-IE17B5Z0X0L4»
[MLXZ]𝘲 class: 
[ML4]-
MLXZ class (ENC, equivalent neutral class): 
MX1L4

network–[Be(μ₄–O)]

Formula Unicode styled: 
network–[Be(μ₄–O)]
Compound name(s): 
beryllium oxide (zincblende type)
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: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Mg(μ₂-NH₂)₂]

Formula Unicode styled: 
catena–3D-[Mg(μ₂-NH₂)₂]
Compound name(s): 
magnesium diamide
catena-3D-diamino-magnesium
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: 
Mg«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena-[N₂(H)₄(Be)]

Formula Unicode styled: 
catena-[N₂(H)₄(Be)]
Compound name(s): 
beryllium amide
catena-3D-diamino-beryllium
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: 
N«V3C4O-IIIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

catena–3D-[Be(μ₂-NH₂)₂]

Formula Unicode styled: 
catena–3D-[Be(μ₂-NH₂)₂]
Compound name(s): 
beryllium amide
catena-3D-diamino-beryllium
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: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Co(η⁴-C₄H₆)(η⁴-Cod)]⊖

Formula Unicode styled: 
[Co(η⁴-C₄H₆)(η⁴-Cod)]⊖
Compound name(s): 
(η⁴-1,3-butadiene)-(η²,η²-cycloocta-1,5-diene)-cobalt(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: 
Co«V1C4O-IE18B5Z0X0L4»
[MLXZ]𝘲 class: 
[ML4]-
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Co(η⁴-Cod)(Bpy)]⊖

Formula Unicode styled: 
[Co(η⁴-Cod)(Bpy)]⊖
Compound name(s): 
(2,2'-bipyridine)-(η²,η²-cycloocta-1,5-diene)-cobalt(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: 
Co«V1C4O-IE18B5Z0X0L4»
[MLXZ]𝘲 class: 
[ML4]-
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Co{P(OMe)₃}₄]⊖

Formula Unicode styled: 
[Co{P(OMe)₃}₄]⊖
Compound name(s): 
tetrakis(trimethylphosphite)-cobalt(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: 
Co«V1C4O-IE18B5Z0X0L4»
[MLXZ]𝘲 class: 
[ML4]-
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Co(η⁴-C₄H₆)₂]⊖

Formula Unicode styled: 
[Co(η⁴-C₄H₆)₂]⊖
Compound name(s): 
bis(η⁴-buta-1,3-diene)-iron(1-)
Central atom: 
Attached groups: 
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: 
Co«V1C4O-IE18B5Z0X0L4»
[MLXZ]𝘲 class: 
[ML4]-
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Co(η⁴-Cod)₂]⊖

Formula Unicode styled: 
[Co(η⁴-Cod)₂]⊖
Compound name(s): 
bis(η²,η²-cycloocta-1,5-diene)-cobalt(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: 
Co«V1C4O-IE18B5Z0X0L4»
[MLXZ]𝘲 class: 
[ML4]-
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Co(CNBuᵗ)₄]⊖

Formula Unicode styled: 
[Co(CNBuᵗ)₄]⊖
Compound name(s): 
tetrakis(t-butylisocyanido)-cobalt(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: 
Co«V1C4O-IE18B5Z0X0L4»
[MLXZ]𝘲 class: 
[ML4]-
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Co(C₂H₄)₄]⊖

Formula Unicode styled: 
[Co(C₂H₄)₄]⊖
Compound name(s): 
tetrakis(η²-ethylene)-cobalt(1-)
Central atom: 
Attached groups: 
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: 
Co«V1C4O-IE18B5Z0X0L4»
[MLXZ]𝘲 class: 
[ML4]-
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Ni(Br)₂(CNXy)₂]

Formula Unicode styled: 
[Ni(Br)₂(CNXy)₂]
Compound name(s): 
dibromo-di(xylylisocyanide)-nickel
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: 
Ni«V2C4OIIE16B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[V(H){N(SiMe₃)₂}₃]⊖

Formula Unicode styled: 
[V(H){N(SiMe₃)₂}₃]⊖
Compound name(s): 
hydrido-tris{bis(trimethylsilyl)amido}-vanadium(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: 
V«V3C4OIIIE16B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]-
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[P(Ph)₃(SMe)]⊕

Formula Unicode styled: 
[P(Ph)₃(SMe)]⊕
Compound name(s): 
(triphenylmethylseleno)phosphorus(1+)
Central atom: 
Attached groups: 
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: 
P«V5C4OVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]+
MLXZ class (ENC, equivalent neutral class): 
MX3Z1

[Mo(SeMes)₃]₂

Formula Unicode styled: 
[Mo(SeMes)₃]₂
Compound name(s): 
bis-[tris(2,4,6-trimethylphenylseleno)-molybdenum(Mo≡Mo)]
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: 
Mo«V6C4OIIIE12B6Z0L0X6»
[MLXZ]𝘲 class: 
[MX6]
MLXZ class (ENC, equivalent neutral class): 
MX6

[W(SeMes)₃]₂

Formula Unicode styled: 
[W(SeMes)₃]₂
Compound name(s): 
bis-[tris(2,4,6-trimethylphenylseleno)-tungsten(W≡W)]
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: 
W«V6C4OIIIE12B6Z0L0X6»
[MLXZ]𝘲 class: 
[MX6]
MLXZ class (ENC, equivalent neutral class): 
MX6

[Ge(Se)₂(μ₂-Se)]₂⁴⊖

Formula Unicode styled: 
[Ge(Se)₂(μ₂-Se)]₂⁴⊖
Compound name(s): 
bis-[diselenido-(μ₂-selenido)-germanium(2-)]
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: 
Ge«V4C4OIVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Tl(Se)₂(μ₂-Se)]₂⁶⊖

Formula Unicode styled: 
[Tl(Se)₂(μ₂-Se)]₂⁶⊖
Compound name(s): 
bis-[diselenido-(μ₂-selenido)-thallium (3-)]
Central atom: 
Charge on central atom: 
-3
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: 
Tl«V3C4OIIIE8B4L0X2Z2»3⊖
[MLXZ]𝘲 class: 
[MX2Z2]3-
MLXZ class (ENC, equivalent neutral class): 
MX3L1