4-coordinate: tetrahedron (T-4)

network–[Po(Zn)]

Formula Unicode styled: 
network–[Po(Zn)]
Compound name(s): 
zinc polonide
polonium zinc
Central atom: 
Polonium
Attached groups: 
Zn (zinco)
Charge on central atom: 
0
Compound type: 
Network
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Po«V6C4O-IIE8B4L0X2Z2»
[MLXZ]𝘲 class: 
[MX2Z2]
MLXZ class (ENC, equivalent neutral class): 
MX2Z2

network–[Po(Be)]

Formula Unicode styled: 
network–[Po(Be)]
Compound name(s): 
Beryllium polonide
Central atom: 
Polonium
Attached groups: 
Be (beryllio)
Charge on central atom: 
0
Compound type: 
Network
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Po«V6C4O-IIE8B4L0X2Z2»
[MLXZ]𝘲 class: 
[MX2Z2]
MLXZ class (ENC, equivalent neutral class): 
MX2Z2

[Tc(TcO₄-κO){(O)₃}]

Formula Unicode styled: 
[Tc(TcO₄-κO){(O)₃}]
Compound name(s): 
(tetraoxo-techentium)-(acetone)-bis(carbonyl)-bis(triphenylphosphine)-technetium
Central atom: 
Technetium
Attached groups: 
TcO₄ (tetraoxotechnetium-κO)
(O)₃ (trioxo X₆L₂ Ⓢ)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (VII)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Tc«V7C4OVIIE18B9Z0X7L2»
[MLXZ]𝘲 class: 
[MX7L2]
MLXZ class (ENC, equivalent neutral class): 
MX7L2

mer,trans–[Tc(TcO₄-κO)(CO)₃(PPh₃)₂]

Formula Unicode styled: 
mer,trans–[Tc(TcO₄-κO)(CO)₃(PPh₃)₂]
Compound name(s): 
tetraoxotechnetium-tricarbonyl-trioxo-bis(triphenylphosphine)-technetium
Central atom: 
Technetium
Attached groups: 
OM group (M—O complex)
(O)₃ (trioxo X₆L₂ Ⓢ)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (VII)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Tc«V7C4OVIIE18B9Z0X7L2»
[MLXZ]𝘲 class: 
[MX7L2]
MLXZ class (ENC, equivalent neutral class): 
MX7L2

[U(OCHBuᵗ₂)₄]

Formula Unicode styled: 
[U(OCHBuᵗ₂)₄]
Compound name(s): 
tetrakis(2,2,4,4-tetramethylpentan-3-olato)-uranium
Central atom: 
Uranium
Attached groups: 
OCHBuᵗ₂ (bis(t-butyl)-methoxy)
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: 10
Summary of calculated classifications: 
U«V4C4OIVE10B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Co(Br)(Cl)₃]²⊖

Formula Unicode styled: 
[Co(Br)(Cl)₃]²⊖
Compound name(s): 
bromo-trichloro-cobalt(2-)
Central atom: 
Cobalt
Attached groups: 
Br (bromo)
Cl (chloro)
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: 15
Summary of calculated classifications: 
Co«V2C4OIIE15B4Z0L0X4»2⊖
[MLXZ]𝘲 class: 
[MX4]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Mn(NO)₄]⊕

Formula Unicode styled: 
[Mn(NO)₄]⊕
Compound name(s): 
tetranitrosyl-manganese(1+)
Central atom: 
Manganese
Attached groups: 
(NO)₄ (tetranitrosyl, (N≡O)₄ tetrahedral Ⓢ)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Mn«V1C4O-IIIE18B6Z0X0L6»⊕
[MLXZ]𝘲 class: 
[ML6]+
MLXZ class (ENC, equivalent neutral class): 
MX1L5

[Np(Cl){N(SiMe₃)₂}₃]

Formula Unicode styled: 
[Np(Cl){N(SiMe₃)₂}₃]
Compound name(s): 
chloro-tris(bis(trimethylsilyl)amide)-neptunium
Central atom: 
Neptunium
Attached groups: 
Cl (chloro)
N(SiMe₃)₂ (bis(trimethylsilyl)amino: planar)
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: 17
Summary of calculated classifications: 
Np«V4C4OIVE17B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[U(Cl){N(SiMe₃)₂}₃]⊖

Formula Unicode styled: 
[U(Cl){N(SiMe₃)₂}₃]⊖
Compound name(s): 
chloro-tris-(bis-trimethylsilyl-amide)-uranium(1-)
Central atom: 
Uranium
Attached groups: 
Cl (chloro)
N(SiMe₃)₂ (bis(trimethylsilyl)amino: planar)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
U«V3C4OIIIE17B7Z0X4L3»⊖
[MLXZ]𝘲 class: 
[MX4L3]-
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Cu(OC{O}H-κO)(PPh₃)₃]

Formula Unicode styled: 
[Cu(OC{O}H-κO)(PPh₃)₃]
Compound name(s): 
(O-Formato)-tris(triphenylphosphine)-copper
Central atom: 
Oxygen
Attached groups: 
CHO (formyl)
Cu 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

[Ag(OC{O}H-κO)(PPh₃)₃]

Formula Unicode styled: 
[Ag(OC{O}H-κO)(PPh₃)₃]
Compound name(s): 
(O-Formato)-tris(triphenylphosphine)-silver
Central atom: 
Oxygen
Attached groups: 
CHO (formyl)
Ag 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

catena–3D-[Zn(μ₂-SO₄)₂]²⊖

Formula Unicode styled: 
catena–3D-[Zn(μ₂-SO₄)₂]²⊖
Compound name(s): 
catena-di-sulfato-zinc-(2-)
Central atom: 
Sulfur
Attached groups: 
O (oxo Z)
OR (oxyl)
OR (oxyl)
Charge on central atom: 
0
Compound type: 
Catena-3D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (VI)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
S«V6C4OVIE8B4L0X2Z2»
[MLXZ]𝘲 class: 
[MX2Z2]
MLXZ class (ENC, equivalent neutral class): 
MX2Z2

[Co(I)₂(PBuᵗ₂H)₂]

Formula Unicode styled: 
[Co(I)₂(PBuᵗ₂H)₂]
Compound name(s): 
Di-iodo-bis(di-t-butylphosphino)-cobalt
Central atom: 
Phosphorus
Attached groups: 
Buᵗ (t-butyl)
H (hydrido)
Co group (Z type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
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: 
P«V5C4OIIIE8B4L0X3Z1»
[MLXZ]𝘲 class: 
[MX3Z1]
MLXZ class (ENC, equivalent neutral class): 
MX3Z1

[Gd(μ₂-SBuᵗ){N(SiMe₃)₂}₂]₂

Formula Unicode styled: 
[Gd(μ₂-SBuᵗ){N(SiMe₃)₂}₂]₂
Compound name(s): 
bis-[(μ₂-t-butylthiolato-S,S)-bis(bis(trimethylsilyl)amino)-gadolinium]
Central atom: 
Gadolinium
Attached groups: 
SBuᵗ (t-butylthio-μ₂)
N(SiMe₃)₂ (bis(trimethylsilyl)amino: planar)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 19
Summary of calculated classifications: 
Gd«V3C4OIIIE19B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Dy(OSiPh₃)₂(μ₂-OSiPh₃)]₂

Formula Unicode styled: 
[Dy(OSiPh₃)₂(μ₂-OSiPh₃)]₂
Compound name(s): 
bis-[(μ₂-triphenylsiloxido)-bis(triphenylsiloxido)-dysprosium]
Central atom: 
Dysprosium
Attached groups: 
OSiPh₃ (triphenylsiloxy)
OSiPh₃ (μ₂-triphenylsiloxy)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
Dy«V3C4OIIIE17B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

[Yb(OC₆H₂Buᵗ₃-2,4,6)₃(Thf)]

Formula Unicode styled: 
[Yb(OC₆H₂Buᵗ₃-2,4,6)₃(Thf)]
Compound name(s): 
tris(2,4,6-Tri-t-butylphenolato-O)-tetrahydrofuran-ytterbium
Central atom: 
Ytterbium
Attached groups: 
OC₆H₂Buᵗ₃-2,4,6 (tri-t-butylphenoxy-2,4,6)
Thf (tetrahydrofuran)
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: 21
Summary of calculated classifications: 
Yb«V3C4OIIIE21B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

[Ce(OCHBuᵗ₂)₂(μ₂-OCH₂Buᵗ)]₂

Formula Unicode styled: 
[Ce(OCHBuᵗ₂)₂(μ₂-OCH₂Buᵗ)]₂
Compound name(s): 
bis-[μ²-di-t-butylmethoxo)-bis(di-t-butylmethoxo)-cerium]
Central atom: 
Cerium
Attached groups: 
OCHBuᵗ₂ (bis(t-butyl)-methoxy)
OCH₂Buᵗ (μ₂-neopentoxy)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 9
Summary of calculated classifications: 
Ce«V3C4OIIIE9B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

[Yb{C(SiMe₃)₃}(μ₂-OEt)(OEt₂)]₂

Formula Unicode styled: 
[Yb{C(SiMe₃)₃}(μ₂-OEt)(OEt₂)]₂
Compound name(s): 
bis-[(μ₂-Ethoxo)-{tris(trimethylsilyl)methyl}-(diethylether-O)-ytterbium]
Central atom: 
Ytterbium
Attached groups: 
C(SiMe₃)₃ (tristrimethylsilylmethyl)
OEt (μ₂-ethoxy)
OEt₂ (diethylether)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 22
Summary of calculated classifications: 
Yb«V2C4OIIE22B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Yb{C(SiMe₃)₃}(μ₂-I)(OEt₂)]₂

Formula Unicode styled: 
[Yb{C(SiMe₃)₃}(μ₂-I)(OEt₂)]₂
Compound name(s): 
bis-[(μ₂-Iodo)-(tris(trimethylsilyl)methyl)-diethylether-ytterbium]
Central atom: 
Ytterbium
Attached groups: 
C(SiMe₃)₃ (tristrimethylsilylmethyl)
I (μ₂-iodo)
OEt₂ (diethylether)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 22
Summary of calculated classifications: 
Yb«V2C4OIIE22B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[F₂(Sr)]

Formula Unicode styled: 
[F₂(Sr)]
Compound name(s): 
difluoro strontium|strontium difluoride
Central atom: 
Fluorine
Attached groups: 
Sr (strontio)
Charge on central atom: 
Compound type: 
Lattice
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: 0
Summary of calculated classifications: 
F«V1C4O-I»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class):