3-coordinate: trigonal planar (p-block element, 1 lone pair)

cis–[Os(Br)(CO)(PPh₃)₂(OC{O}Me-κ²O)]

Formula Unicode styled: 
cis–[Os(Br)(CO)(PPh₃)₂(OC{O}Me-κ²O)]
Compound name(s): 
(Acetato-O,O')-bromo-carbonyl-bis(triphenylphosphine)-osmium
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Os group (X type)
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Os(H)₂(O₂CMe-κO)(OC{O}Me-κ²O)(PPrⁱ₃)₂]

Formula Unicode styled: 
[Os(H)₂(O₂CMe-κO)(OC{O}Me-κ²O)(PPrⁱ₃)₂]
Compound name(s): 
Acetato-acetoxy-dihydrido-bis(tri-isopropylphosphine)-osmium
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Os group (X type)
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

mer–[Re(CO)(PPh₃)₃(OC{O}Me-κ²O)]⊕

Formula Unicode styled: 
mer–[Re(CO)(PPh₃)₃(OC{O}Me-κ²O)]⊕
Compound name(s): 
(Acetato-O,O')-carbonyl-tris(triphenylphosphine)-rhenium(1+)
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Re group (X type)
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

fac–[Re(CO)₃(PPh₃)(OC{O}Me-κ²O)]

Formula Unicode styled: 
fac–[Re(CO)₃(PPh₃)(OC{O}Me-κ²O)]
Compound name(s): 
(Acetato-O,O')-tricarbonyl-(triphenylphosphine)-rhenium
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Re group (X type)
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Re(CO)₂(PPh₃)₂(OC{O}Me-κ²O)]

Formula Unicode styled: 
[Re(CO)₂(PPh₃)₂(OC{O}Me-κ²O)]
Compound name(s): 
(Acetato-O,O')-cis-dicarbonyl-trans-bis(triphenylphosphine)-rhenium
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Re group (X type)
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

cis–[Re(CO)₂(PPh₃)₂(OC{O}Me-κ²O)]

Formula Unicode styled: 
cis–[Re(CO)₂(PPh₃)₂(OC{O}Me-κ²O)]
Compound name(s): 
(Acetato-O,O')-bis(triphenylphosphine)-dicarbonyl-rhenium
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Re group (X type)
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

cis,trans–[W(CO)(NO)(OC{O}Me-κ²O)(PPh₃)₂]

Formula Unicode styled: 
cis,trans–[W(CO)(NO)(OC{O}Me-κ²O)(PPh₃)₂]
Compound name(s): 
trans-(Acetato-O,O')-carbonyl-nitrosyl-bis(triphenylphosphine)-tungsten
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
W group (X type)
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Lu(μ₂-O₂CMe)(OC{O}Me-κ²O)(μ₃-O₂CMe)(Phen)]₂

Formula Unicode styled: 
[Lu(μ₂-O₂CMe)(OC{O}Me-κ²O)(μ₃-O₂CMe)(Phen)]₂
Compound name(s): 
bis-[di(μ₂-acetato)-acetato)-(1,10-phenanthroline-lutetium
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Lu group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Lu(OH₂)₂(OC{O}Me-κ²O)(Pc)]

Formula Unicode styled: 
[Lu(OH₂)₂(OC{O}Me-κ²O)(Pc)]
Compound name(s): 
(Acetato-O,O')-diaqua-phthalocyaninato-lutetium
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Lu group (X type)
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Ho(OC{O}Me-κ²O)(μ₂-O₂CMe)(μ₃-O₂CMe)(Phen)]₂

Formula Unicode styled: 
[Ho(OC{O}Me-κ²O)(μ₂-O₂CMe)(μ₃-O₂CMe)(Phen)]₂
Compound name(s): 
bis-[(μ₂-Acetato-O,O,O')-(μ₂-acetato-O,O')-(acetato-O,O')-(1,10-phenanthroline)-holmium]
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Ho group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Dy(OH₂)₂(OC{O}Me-κ²O)₂(μ₃-O₂CMe)]₂

Formula Unicode styled: 
[Dy(OH₂)₂(OC{O}Me-κ²O)₂(μ₃-O₂CMe)]₂
Compound name(s): 
bis-[(μ₂-acetato-κ3O,O':O')-bis(acetato-κ2O,O')-di-aqua-dysprosium]
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Dy group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Dy(OC{O}Me-κ²O)(μ₂-O₂CMe)(μ₃-O₂CMe)]

Formula Unicode styled: 
[Dy(OC{O}Me-κ²O)(μ₂-O₂CMe)(μ₃-O₂CMe)]
Compound name(s): 
bis-[((μ₂-acetato-κ2O,O')-(μ₃-acetato-κ3O,O':O')(acetato-κ2O,O')-(1,10-phenanthroline)-dysprosium]
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Dy group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

catena–1D-[Dy(OHMe)(OC{O}Me-κ²O)(μ₃-O₂CMe)₂]

Formula Unicode styled: 
catena–1D-[Dy(OHMe)(OC{O}Me-κ²O)(μ₃-O₂CMe)₂]
Compound name(s): 
catena-[bis(μ₂-Acetato-O,O,O')-(μ₂-acetato-O,O')-(methanol)-dysprosium]
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Dy group (X type)
Charge on central atom: 
0
Compound type: 
Catena-1D
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Tb(OH₂)₂(OC{O}Me-κ²O)₂(Terpy-κ³N)]⊕

Formula Unicode styled: 
[Tb(OH₂)₂(OC{O}Me-κ²O)₂(Terpy-κ³N)]⊕
Compound name(s): 
bis(bis(Acetato-O,O')-diaqua-(2,2':6',2''-terpyridine)-terbium(1+)
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Tb group (X type)
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Gd(OH₂)₂(OC{O}Me-κ²O)₂(μ₂-O₂CMe)]₂

Formula Unicode styled: 
[Gd(OH₂)₂(OC{O}Me-κ²O)₂(μ₂-O₂CMe)]₂
Compound name(s): 
bis-[di-aqua-di(acetato-O,O')-(μ₃-acetato-O,O,O')-samarium]
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Gd group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

catena–1D-[Gd(μ₂-O₂CH)(OH₂)₂(OC{O}Me-κ²O)₂]

Formula Unicode styled: 
catena–1D-[Gd(μ₂-O₂CH)(OH₂)₂(OC{O}Me-κ²O)₂]
Compound name(s): 
catena-[(μ₂-formato)-diaqua-bis(acetato)-gadolinium]
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Gd group (X type)
Charge on central atom: 
0
Compound type: 
Catena-1D
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Eu(OH₂)₂(OC{O}Me-κ²O)₂(μ₃-O₂CMe)]₂

Formula Unicode styled: 
[Eu(OH₂)₂(OC{O}Me-κ²O)₂(μ₃-O₂CMe)]₂
Compound name(s): 
bis-[di-aqua-di(acetato)-(μ₃-acetato)-tetraaqua-europium]
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Eu group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Eu(OC{O}Me-κ²O)(μ₂-O₂CMe)(μ₃-O₂CMe)(Phen)]₂

Formula Unicode styled: 
[Eu(OC{O}Me-κ²O)(μ₂-O₂CMe)(μ₃-O₂CMe)(Phen)]₂
Compound name(s): 
bis-[((μ₂-acetato-O,O,O')-(μ₂-acetato-O,O')-(acetato)-(1,10-phenanthroline))-europium]
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Eu group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Sm(OH₂)₂(OC{O}Me-κ²O)(μ₂-O₂CMe)(μ₃-O₂CMe)]₂

Formula Unicode styled: 
[Sm(OH₂)₂(OC{O}Me-κ²O)(μ₂-O₂CMe)(μ₃-O₂CMe)]₂
Compound name(s): 
bis-[(μ₂-acetato-O,O,O')-(μ₂-acetato-O,O')-(acetato-O,O')-aqua-samarium
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Sm group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

catena–1D-[Nd(μ₂-O₂CMe)(OH₂)(OC{O}Me-κ²O)₂]

Formula Unicode styled: 
catena–1D-[Nd(μ₂-O₂CMe)(OH₂)(OC{O}Me-κ²O)₂]
Compound name(s): 
catena-[tris(μ2-Acetato)-aqua-neodymium]
Central atom: 
Oxygen
Attached groups: 
COMe (acetyl)
Nd group (X type)
Charge on central atom: 
0
Compound type: 
Catena-1D
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: 
O«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2