Gold

[Au(C≡CH)(PTol₃)]

Formula Unicode styled: 
[Au(C≡CH)(PTol₃)]
Compound name(s): 
Ethynyl-(tri-p-tolylphosphine)-gold
Central atom: 
Gold
Attached groups: 
C≡CH (ethynyl)
PTol₃ (tritolylphosphane)
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: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 14
Summary of calculated classifications: 
Au«V1C2OIE14B2Z0X1L1»
[MLXZ]𝘲 class: 
[MX1L1]
MLXZ class (ENC, equivalent neutral class): 
MX1L1

[Au(AsPh₃)₄]⊕

Formula Unicode styled: 
[Au(AsPh₃)₄]⊕
Compound name(s): 
tetrakis(Triphenylarsine)-gold(1+)
Central atom: 
Gold
Attached groups: 
AsPh₃ (triphenylarsane)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Au«V1C4OIE18B4Z0X0L4»⊕
[MLXZ]𝘲 class: 
[ML4]+
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Au([9]aneS₃-κ²S)₂]²⊕

Formula Unicode styled: 
[Au([9]aneS₃-κ²S)₂]²⊕
Compound name(s): 
bis(1,4,7-Trithiacyclononane-S,S',S'')-gold
Central atom: 
Gold
Attached groups: 
[9]aneS₃ (1,4,7-trithiocyclononane-κ²S)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
Au«V2C4OIIE17B4Z0X0L4»2⊕
[MLXZ]𝘲 class: 
[ML4]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L2