6-coordinate: ③-●-3 piano stool

6-coordinate: 3-3 piano stool
6-coordinate: ③-●-3 piano stool

[Os(I){C(OCH₂CH₂CH₂)}(PBuᵗ₂Me)(η⁶-C₆H₆)]⊕

Formula Unicode styled: 
[Os(I){C(OCH₂CH₂CH₂)}(PBuᵗ₂Me)(η⁶-C₆H₆)]⊕
Compound name(s): 
(η⁶-Benzene)-(di-t-butylmethylphosphine)-iodo-(1-oxacyclopentan-2-ylidene)-osmium(1+)
Central atom: 
Osmium
Attached groups: 
I (iodo)
C(OCH₂CH₂CH₂) (2-oxocyclopentylidene)
PBuᵗ₂Me (methyl-di-t-butylphosphane)
C₆H₆ (benzene)
Charge on central atom: 
1
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C6OIIE18B6Z0X1L5»⊕
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Os(Cl)(Dppe-κ²P)(Cp)]

Formula Unicode styled: 
[Os(Cl)(Dppe-κ²P)(Cp)]
Compound name(s): 
Chloro-(η⁵-cyclopentadienyl)-(1,2-bis(diphenylphosphino)ethane-P,P')-osmium
Central atom: 
Osmium
Attached groups: 
Cl (chloro)
Dppe (1,2-bis-(diphenylphosphino)ethane-κ²P)
Cp (η⁵-cyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Os(Br)(Dppe-κ²P)(Cp*)]

Formula Unicode styled: 
[Os(Br)(Dppe-κ²P)(Cp*)]
Compound name(s): 
Bromo-(η⁵-pentamethyl-cyclopentadienyl)-(1,2-bis(diphenylphosphino)ethane-P,P')-osmium
Central atom: 
Osmium
Attached groups: 
Br (bromo)
Dppe (1,2-bis-(diphenylphosphino)ethane-κ²P)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Os(PPh₃)(Phen)(Cp)]⊕

Formula Unicode styled: 
[Os(PPh₃)(Phen)(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-(1,10-phenanthroline)-(triphenylphosphine)-osmium(1+)
Central atom: 
Osmium
Attached groups: 
PPh₃ (triphenylphosphane)
Phen (phenanthroline)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
1
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C6OIIE18B6Z0X1L5»⊕
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Os(PMe₃)₂(NO)(Cp)]²⊕

Formula Unicode styled: 
[Os(PMe₃)₂(NO)(Cp)]²⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-nitrosyl-bis(trimethylphosphine)-osmium(2+)
Central atom: 
Osmium
Attached groups: 
PMe₃ (trimethylphosphane)
NO (nitrosyl, linear)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V6C6OIIE18B8X2L5Z1»2⊕
[MLXZ]𝘲 class: 
[MX2L5Z1]2+
MLXZ class (ENC, equivalent neutral class): 
MX6L2

[Os(SO₃CF₃-κO)(PPh₃)₂(Cp)]

Formula Unicode styled: 
[Os(SO₃CF₃-κO)(PPh₃)₂(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-bis(triphenylphosphine)-(trifluoromethanesulfonato)-osmium
Central atom: 
Osmium
Attached groups: 
OSO₂CF₃ (trifluoromethanesulfonato-κO)
PPh₃ (triphenylphosphane)
Cp (η⁵-cyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Os(SO₃CF₃-κO)(Dppm-κ²P)(Cp*)]

Formula Unicode styled: 
[Os(SO₃CF₃-κO)(Dppm-κ²P)(Cp*)]
Compound name(s): 
(bis(Diphenylphosphino)methane)-(η⁵-pentamethylcyclopentadienyl)-(trifluoromethanesulfonato)-osmium
Central atom: 
Osmium
Attached groups: 
OSO₂CF₃ (trifluoromethanesulfonato-κO)
Dppm (bis-(diphenylphosphino)methane-κ²P)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Os(OH₂)(Dmpm-κ²P)(Cp*)]⊕

Formula Unicode styled: 
[Os(OH₂)(Dmpm-κ²P)(Cp*)]⊕
Compound name(s): 
Aqua-(bis(dimethylphosphino)methane)-(η⁵-pentamethylcyclopentadienyl)-osmium(1+)
Central atom: 
Osmium
Attached groups: 
OH₂ (aqua)
Dmpm (1,2-bis-(dimethylphosphino)methane-κ²P)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
1
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C6OIIE18B6Z0X1L5»⊕
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Os(CH₂SiMe₃)₂(=NH)(Cp)]⊕

Formula Unicode styled: 
[Os(CH₂SiMe₃)₂(=NH)(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-imidio-bis(trimethylsilylmethyl)-osmium(1+)
Central atom: 
Osmium
Attached groups: 
CH₂SiMe₃ (trimethylsilylmethyl)
=NH (imino)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (VI)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Os«V6C6OVIE16B7Z0X5L2»⊕
[MLXZ]𝘲 class: 
[MX5L2]+
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Os(=CH₂)(Dppm-κ²P)(Cp*)]⊕

Formula Unicode styled: 
[Os(=CH₂)(Dppm-κ²P)(Cp*)]⊕
Compound name(s): 
(η⁵-Pentamethyl-cyclopentadienyl)-methylidene-(bis(diphenylphosphino)methane)-osmium(1+)
Central atom: 
Osmium
Attached groups: 
=CH₂ (methylidene)
Dppm (bis-(diphenylphosphino)methane-κ²P)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
1
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V4C6OIVE18B7Z0X3L4»⊕
[MLXZ]𝘲 class: 
[MX3L4]+
MLXZ class (ENC, equivalent neutral class): 
MX4L3

fac–[Os(NCMe)(PPh₃)₂(Cp)]⊕

Formula Unicode styled: 
fac–[Os(NCMe)(PPh₃)₂(Cp)]⊕
Compound name(s): 
(Acetonitrile)-(η⁵-cyclopentadienyl)-bis(triphenylphosphine)-osmium(1+)
Central atom: 
Osmium
Attached groups: 
NCMe (acetonitrile)
PPh₃ (triphenylphosphane)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
1
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C6OIIE18B6Z0X1L5»⊕
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Re(Ph)(PPh₃)(NO)(Cp)]

Formula Unicode styled: 
[Re(Ph)(PPh₃)(NO)(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-nitrosyl-phenyl-triphenylphosphine-rhenium
Central atom: 
Rhenium
Attached groups: 
Ph (phenyl)
PPh₃ (triphenylphosphane)
NO (nitrosyl, linear)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V5C6OIE18B8X3L4Z1»
[MLXZ]𝘲 class: 
[MX3L4Z1]
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Re(I)(PPh₃)(NO)(η⁵-C₅H₄Me)]

Formula Unicode styled: 
[Re(I)(PPh₃)(NO)(η⁵-C₅H₄Me)]
Compound name(s): 
Iodo-(η⁵-methylcyclopentadienyl)-nitrosyl-triphenylphosphine-rhenium
Central atom: 
Rhenium
Attached groups: 
I (iodo)
PPh₃ (triphenylphosphane)
NO (nitrosyl, linear)
C₅H₄Me (η⁵-methylcyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V5C6OIE18B8X3L4Z1»
[MLXZ]𝘲 class: 
[MX3L4Z1]
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Re(I)(CO)(NO)(Cp*)]

Formula Unicode styled: 
[Re(I)(CO)(NO)(Cp*)]
Compound name(s): 
(η⁵-Pentamethyl-cyclopentadienyl)-carbonyl-iodo-nitroso-rhenium
Central atom: 
Rhenium
Attached groups: 
I (iodo)
CO (carbonyl)
NO (nitrosyl, linear)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V5C6OIE18B8X3L4Z1»
[MLXZ]𝘲 class: 
[MX3L4Z1]
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Re(Cl)(CH₂SiMe₃)(O)(Cp*)]

Formula Unicode styled: 
[Re(Cl)(CH₂SiMe₃)(O)(Cp*)]
Compound name(s): 
Chloro-oxo-(η⁵-pentamethyl-cyclopentadienyl)-trimethylsilylmethyl-rhenium
Central atom: 
Rhenium
Attached groups: 
Cl (chloro)
CH₂SiMe₃ (trimethylsilylmethyl)
O (oxo ⭀O X₂L)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V5C6OVE18B8Z0X5L3»
[MLXZ]𝘲 class: 
[MX5L3]
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Re(Bz)(CHO)(CO)(Cp)]

Formula Unicode styled: 
[Re(Bz)(CHO)(CO)(Cp)]
Compound name(s): 
Benzyl-carbonyl-(η-cyclopentadienyl)-(formyl-C,H)-rhenium
Central atom: 
Rhenium
Attached groups: 
Bz (phenylmethanido-κC)
CHO (formyl)
CO (carbonyl)
Cp (η⁵-cyclopentadienyl)
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: 16
Summary of calculated classifications: 
Re«V3C6OIIIE16B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Re(Br)(CO)₂(Cp*)]⊖

Formula Unicode styled: 
[Re(Br)(CO)₂(Cp*)]⊖
Compound name(s): 
bromo-dicarbonyl-(η⁵-pentamethyl-cyclopentadienyl)-rhenium(1-)
Central atom: 
Rhenium
Attached groups: 
Br (bromo)
CO (carbonyl)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V1C6OIE18B6Z0X2L4»⊖
[MLXZ]𝘲 class: 
[MX2L4]-
MLXZ class (ENC, equivalent neutral class): 
MX1L5

[Re{=C(CH₂CH₂CH₂CH₂)}(PPh₃)(NO)(Cp)]⊕

Formula Unicode styled: 
[Re{=C(CH₂CH₂CH₂CH₂)}(PPh₃)(NO)(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-(cyclopentadiylidene)-nitrosyl-triphenylphosphine-rhenium(1+)
Central atom: 
Rhenium
Attached groups: 
=C(CH₂CH₂CH₂CH₂) (cyclopentylidene)
PPh₃ (triphenylphosphane)
NO (nitrosyl, linear)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V7C6OIIIE18B9X4L4Z1»⊕
[MLXZ]𝘲 class: 
[MX4L4Z1]+
MLXZ class (ENC, equivalent neutral class): 
MX7L2

[Re(SeCH₂)(PPh₃)(NO)(Cp)]⊕

Formula Unicode styled: 
[Re(SeCH₂)(PPh₃)(NO)(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-nitrosyl-(η²-selenoformaldehyde)-triphenylphosphine-rhenium(1+)
Central atom: 
Rhenium
Attached groups: 
SeCH₂ (selenoformaldehyde-κC,S)
PPh₃ (triphenylphosphane)
NO (nitrosyl, linear)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V5C6OIE18B8X2L5Z1»⊕
[MLXZ]𝘲 class: 
[MX2L5Z1]+
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Re(PPh₂)(PPh₃)(NO)(Cp)]

Formula Unicode styled: 
[Re(PPh₂)(PPh₃)(NO)(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-nitrosyl-diphenylphosphido-triphenylphosphine-rhenium
Central atom: 
Rhenium
Attached groups: 
PPh₂ (diphenylphosphanyl)
PPh₃ (triphenylphosphane)
NO (nitrosyl, linear)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V5C6OIE18B8X3L4Z1»
[MLXZ]𝘲 class: 
[MX3L4Z1]
MLXZ class (ENC, equivalent neutral class): 
MX5L3