5-coordinate: square-based pyramid (SPY-5)

[Cr(CH₂SiMe₃)(Pc)]

Formula Unicode styled: 
[Cr(CH₂SiMe₃)(Pc)]
Compound name(s): 
phthalocyaninato-(trimethylsilyl)methyl-chromium
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: 
Cr«V3C5OIIIE13B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Ta(Me)₅]

Formula Unicode styled: 
[Ta(Me)₅]
Compound name(s): 
Pentamethyl-tantalum
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: 
Ta«V5C5OVE10B5Z0L0X5»
[MLXZ]𝘲 class: 
[MX5]
MLXZ class (ENC, equivalent neutral class): 
MX5

[Ta(Me){N(SiMe₃)₂}₂(Py)₂]

Formula Unicode styled: 
[Ta(Me){N(SiMe₃)₂}₂(Py)₂]
Compound name(s): 
bis(Tri-t-butylsilylimino)-dipyridine-methyl-tantalum
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: 
Ta«V3C5OIIIE16B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Ta(Cl)₄{CH(SiMe₃)₂}]

Formula Unicode styled: 
[Ta(Cl)₄{CH(SiMe₃)₂}]
Compound name(s): 
Tetrachloro-bis(trimethylsilyl)methyl-tantalum
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: 
Ta«V5C5OVE10B5Z0L0X5»
[MLXZ]𝘲 class: 
[MX5]
MLXZ class (ENC, equivalent neutral class): 
MX5

[Ta(Bz)₅]

Formula Unicode styled: 
[Ta(Bz)₅]
Compound name(s): 
Pentabenzyl-tantalum
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: 
Ta«V5C5OVE10B5Z0L0X5»
[MLXZ]𝘲 class: 
[MX5]
MLXZ class (ENC, equivalent neutral class): 
MX5

[Ta(Br)₃(PMe₂Ph)₂]

Formula Unicode styled: 
[Ta(Br)₃(PMe₂Ph)₂]
Compound name(s): 
Tribromo-bis(phenyldimethylphosphine)-tantalum
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: 
Ta«V3C5OIIIE12B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Ta(NMe₂)₅]

Formula Unicode styled: 
[Ta(NMe₂)₅]
Compound name(s): 
pentakis(Dimethylamido)-tantalum
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: 
Ta«V5C5OVE18B9Z0X5L4»
[MLXZ]𝘲 class: 
[MX5L4]
MLXZ class (ENC, equivalent neutral class): 
MX5L4

[Ta(NEt₂)₅]

Formula Unicode styled: 
[Ta(NEt₂)₅]
Compound name(s): 
pentakis(Diethylamide)-tantalum
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: 
Ta«V5C5OVE18B9Z0X5L4»
[MLXZ]𝘲 class: 
[MX5L4]
MLXZ class (ENC, equivalent neutral class): 
MX5L4

[Ta(Buᵗ)(NMe₂)₄]

Formula Unicode styled: 
[Ta(Buᵗ)(NMe₂)₄]
Compound name(s): 
t-Butyl-tetrakis(dimethylamido)-tantalum
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: 
Ta«V5C5OVE18B9Z0X5L4»
[MLXZ]𝘲 class: 
[MX5L4]
MLXZ class (ENC, equivalent neutral class): 
MX5L4

[Os(CH₂SiMe₃)₄(O)]

Formula Unicode styled: 
[Os(CH₂SiMe₃)₄(O)]
Compound name(s): 
tetrakis(Trimethylsilylmethyl)-oxo-osmium
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: 
Os«V6C5OVIE16B7Z0X6L1»
[MLXZ]𝘲 class: 
[MX6L1]
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Os(C≡CPh)₄(N)]⊖

Formula Unicode styled: 
[Os(C≡CPh)₄(N)]⊖
Compound name(s): 
tetrakis(phenylethynyl)-nitrido-osmium(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: 
Os«V6C5OVIE16B7Z0L0X7»
[MLXZ]𝘲 class: 
[MX7]-
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Os(Buⁱ)₄(O)]

Formula Unicode styled: 
[Os(Buⁱ)₄(O)]
Compound name(s): 
tetrakis(2-Methylpropyl)-oxo-osmium
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: 
Os«V6C5OVIE16B7Z0X6L1»
[MLXZ]𝘲 class: 
[MX6L1]
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Os(Br)₄(N)]⊖

Formula Unicode styled: 
[Os(Br)₄(N)]⊖
Compound name(s): 
tetrabromo-nitrido-osmium(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: 
Os«V6C5OVIE16B7Z0L0X7»
[MLXZ]𝘲 class: 
[MX7]-
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Os(O)(OCH₂CH₂O)₂]

Formula Unicode styled: 
[Os(O)(OCH₂CH₂O)₂]
Compound name(s): 
Oxo-bis(ethane-1,2-diolato) osmium
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: 
Os«V6C5OVIE16B7Z0X6L1»
[MLXZ]𝘲 class: 
[MX6L1]
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Os(CH₂SiMe₃)₄(N)]⊖

Formula Unicode styled: 
[Os(CH₂SiMe₃)₄(N)]⊖
Compound name(s): 
nitrido-tetrakis(trimethylsilylmethyl)-osmium(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: 
Os«V6C5OVIE16B7Z0L0X7»
[MLXZ]𝘲 class: 
[MX7]-
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Os(I)₄(N)]⊖

Formula Unicode styled: 
[Os(I)₄(N)]⊖
Compound name(s): 
nitrido-tetraiodo-osmium(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: 
Os«V6C5OVIE16B7Z0L0X7»
[MLXZ]𝘲 class: 
[MX7]-
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Os(Cl)₄(N)]⊖

Formula Unicode styled: 
[Os(Cl)₄(N)]⊖
Compound name(s): 
nitrido-tetrachloro-osmium(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: 
Os«V6C5OVIE16B7Z0L0X7»
[MLXZ]𝘲 class: 
[MX7]-
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Os(OH)₂(CH₂SiMe₃)₂(N)]⊖

Formula Unicode styled: 
[Os(OH)₂(CH₂SiMe₃)₂(N)]⊖
Compound name(s): 
nitrido-dihydroxy-bis((trimethylsilyl)methyl)-osmium(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: 
Os«V6C5OVIE16B7Z0L0X7»
[MLXZ]𝘲 class: 
[MX7]-
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Os(CH₂SiMe₃)₄(⭀NMe)]

Formula Unicode styled: 
[Os(CH₂SiMe₃)₄(⭀NMe)]
Compound name(s): 
Methylimido-tetrakis(trimethylsilylmethyl)-osmium
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: 
Os«V6C5OVIE16B7Z0X6L1»
[MLXZ]𝘲 class: 
[MX6L1]
MLXZ class (ENC, equivalent neutral class): 
MX6L1

cis–[Os(Me)₂(CH₂Buᵗ)₂(O)]

Formula Unicode styled: 
cis–[Os(Me)₂(CH₂Buᵗ)₂(O)]
Compound name(s): 
Dimethyl-dineopentyl-oxo-osmium
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: 
Os«V6C5OVIE16B7Z0X6L1»
[MLXZ]𝘲 class: 
[MX6L1]
MLXZ class (ENC, equivalent neutral class): 
MX6L1