C≡CH (ethynyl)

[Sn(C≡CH)₂(Ph)₂]

Formula Unicode styled: 
[Sn(C≡CH)₂(Ph)₂]
Compound name(s): 
diethynyl-diphenyl-tin|diethynyldiphenylstannane
Central atom: 
Tin
Attached groups: 
C≡CH (ethynyl)
Ph (phenyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V4C4OIVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Se(C≡CH)(K)]

Formula Unicode styled: 
[Se(C≡CH)(K)]
Compound name(s): 
ethynyl-selenium(1-)
Central atom: 
Selenium
Attached groups: 
C≡CH (ethynyl)
Cs group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Se«V2C7OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[C(C≡CH)({CH)₅}]

Formula Unicode styled: 
[C(C≡CH)({CH)₅}]
Compound name(s): 
Ethynylbenzene
Central atom: 
Carbon
Attached groups: 
C≡CH (ethynyl)
(CH)₅ (pentamethanylylidene)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C3OOE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Te(C≡CH)(C₆H₄NMe₂)]

Formula Unicode styled: 
[Te(C≡CH)(C₆H₄NMe₂)]
Compound name(s): 
4-(Dimethylamino)phenyl ethynyl tellurium
Central atom: 
Tellurium
Attached groups: 
C≡CH (ethynyl)
C₆H₄NMe₂ (p-dimethylamino-phenyl)
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: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Te«V2C2OIIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[B(C≡CH)₃(Py)]

Formula Unicode styled: 
[B(C≡CH)₃(Py)]
Compound name(s): 
tris(Ethynyl)-(pyridine)boron
Central atom: 
Boron
Attached groups: 
C≡CH (ethynyl)
Py (pyridine)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
B«V3C4OIIIE8B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

[B(C≡CH)(Mes)₂]

Formula Unicode styled: 
[B(C≡CH)(Mes)₂]
Compound name(s): 
Ethynyl(dimesityl)boron
Central atom: 
Boron
Attached groups: 
C≡CH (ethynyl)
Mes (mesityl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
B«V3C3OIIIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[B(C≡CH)(=NH)]₃

Formula Unicode styled: 
[B(C≡CH)(=NH)]₃
Compound name(s): 
2,4,6-Triethynylborazine
Central atom: 
Boron
Attached groups: 
C≡CH (ethynyl)
=NH (imino)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
B«V3C3OIIIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

cis–[Pt(C≡CH)₂(PEt₃)₂]

Formula Unicode styled: 
cis–[Pt(C≡CH)₂(PEt₃)₂]
Compound name(s): 
Diacetylido-bis(triethylphosphine)-platinum
Central atom: 
Platinum
Attached groups: 
C≡CH (ethynyl)
PEt₃ (triethylphosphane)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Pt«V2C4OIIE16B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[I(C≡CH)(Ph)]⊕

Formula Unicode styled: 
[I(C≡CH)(Ph)]⊕
Compound name(s): 
Ethynyl(phenyl)iodine(1+)
Central atom: 
Iodine
Attached groups: 
C≡CH (ethynyl)
Ph (phenyl)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
I«V3C2OIIIE8B2Z0L0X2»⊕
[MLXZ]𝘲 class: 
[MX2]+
MLXZ class (ENC, equivalent neutral class): 
MX1Z1

[H(C≡CH)]

Formula Unicode styled: 
[H(C≡CH)]
Compound name(s): 
Ethyne|Acetylene
Central atom: 
Hydrogen
Attached groups: 
C≡CH (ethynyl)
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: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C1OIE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Ir(C≡CH)₂(CH=CH₂)(PPrⁱ₃)₂]

Formula Unicode styled: 
[Ir(C≡CH)₂(CH=CH₂)(PPrⁱ₃)₂]
Compound name(s): 
Diethynyl-vinyl-bis(tri-isopropylphosphine)-iridium
Central atom: 
Iridium
Attached groups: 
C≡CH (ethynyl)
CH=CH₂ (vinyl)
PPrⁱ₃ (triisopropylphosphane)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Ir«V3C5OIIIE16B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

fac–[Cr(C≡CH)₃([9]aneN₃-1,4,7-Me₃-κ³N)]

Formula Unicode styled: 
fac–[Cr(C≡CH)₃([9]aneN₃-1,4,7-Me₃-κ³N)]
Compound name(s): 
tris(Ethynyl)-(N,N',N''-trimethyl-1,4,7-triazacyclononane-N,N',N'')-chromium
Central atom: 
Chromium
Attached groups: 
C≡CH (ethynyl)
[9]aneN₃-1,4,7-Me₃ (1,4,7-trimethyl-1,4,7-triazacyclononane-κ³N)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 15
Summary of calculated classifications: 
Cr«V3C6OIIIE15B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Mo(C≡CH)(CO)₂(η³-C₃H₅)(Phen)]

Formula Unicode styled: 
[Mo(C≡CH)(CO)₂(η³-C₃H₅)(Phen)]
Compound name(s): 
(η-Allyl)-dicarbonyl-(ethynyl)-(1,10-phenanthroline)-molybdenum
Central atom: 
Molybdenum
Attached groups: 
C≡CH (ethynyl)
CO (carbonyl)
C₃H₅ (η³-allyl)
Phen (phenanthroline)
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Mo«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[U(C≡CH)(Cp₃)]

Formula Unicode styled: 
[U(C≡CH)(Cp₃)]
Compound name(s): 
Tri(cyclopentadienyl)ethynyl-uranium
Central atom: 
Uranium
Attached groups: 
C≡CH (ethynyl)
(Cp₃) (tris-(η⁵-cyclopentadienyl) Ⓢ)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 10
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 20
Summary of calculated classifications: 
U«V4C10OIVE20B9Z0X4L5»
[MLXZ]𝘲 class: 
[MX4L5]
MLXZ class (ENC, equivalent neutral class): 
MX4L5

cis–[Au(Me)₂(C≡CH)(PPh₃)]

Formula Unicode styled: 
cis–[Au(Me)₂(C≡CH)(PPh₃)]
Compound name(s): 
Dimethyl-ethynyl-triphenylphosphine-gold
Central atom: 
Gold
Attached groups: 
Me (methyl)
C≡CH (ethynyl)
PPh₃ (triphenylphosphane)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Au«V3C4OIIIE16B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

[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

[Cu(C≡CH)₃]²⊖

Formula Unicode styled: 
[Cu(C≡CH)₃]²⊖
Compound name(s): 
triethynyl-copper(2-)|triethynyl-copper|triethynylcuprate
Central atom: 
Copper
Attached groups: 
C≡CH (ethynyl)
Charge on central atom: 
-2
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Cu«V1C3OIE16B3Z0L0X3»2⊖
[MLXZ]𝘲 class: 
[MX3]2-
MLXZ class (ENC, equivalent neutral class): 
MX1L2

[P(C≡CH)(Mes)₂]

Formula Unicode styled: 
[P(C≡CH)(Mes)₂]
Compound name(s): 
Ethynyl(dimesityl)phosphine
Central atom: 
Phosphorus
Attached groups: 
C≡CH (ethynyl)
Mes (mesityl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V3C3OIIIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[P(C≡CH)₃(O)]

Formula Unicode styled: 
[P(C≡CH)₃(O)]
Compound name(s): 
Tris(ethynyl)phosphine oxide
Central atom: 
Phosphorus
Attached groups: 
C≡CH (ethynyl)
O (oxo ZL₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V5C4OVE8B4L0X3Z1»
[MLXZ]𝘲 class: 
[MX3Z1]
MLXZ class (ENC, equivalent neutral class): 
MX3Z1

[P(C≡CH)₃]

Formula Unicode styled: 
[P(C≡CH)₃]
Compound name(s): 
Tris(ethynyl)phosphine
Central atom: 
Phosphorus
Attached groups: 
C≡CH (ethynyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V3C3OIIIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3