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It depends on the phase and the temperature
Solid AlCl3 has each aluminium is 6 coordinate, surrounded by 6 chlorine atoms in an octahedral formation. The best description here is a ionic bonding. Interestingly just below melt temperature the conductivity rises indicating free ions.
AlCl3 in the melt is found as dimer Al2Cl6 with four coordinate aluminium. Two chlorines bridging the aluminium atoms. In this aluminium achieves its octet and the bond angles are in line with VSEPR theory.
At high temperature the dimers dissociate to monomeric AlCl3 which is trigonal planar, following VSEPR theory.
What else can I help you with?
What is the molecular geometry of AlCl3?
trigonal planar
What is the electron pair geometry of AlCl3?
Trigonal Planar
Is the shape of PCl3 trigonal planar or pyramidal?
Trigonal Pyramidal. It is not trigonal planar because there is one lone pair around the central atom, just like the shape of ammonia.
What is the electron geometry of BCl3?
Trigonal Planar
Molecular geometry of CH2O?
Trigonal Planar.
What is the molecular geometry of AlCl3?
trigonal planar
What is the electron pair geometry of AlCl3?
Trigonal Planar
Is N2O- trigonal planar or trigonal pyramidal?
Not linear.
What is the shape of Co32?
The carbonate ion CO3^2- has a trigonal planar shape. It consists of one carbon atom bonded to three oxygen atoms in a flat, triangular arrangement.
What is a trigonal planar?
nh3
What is the molecular shape of SeO3?
Sulfur tetraoxide is a trigonal planar. There is the sulfur in the middle and three oxygen that surrounds it with all of them a double bond linking them to the sulfur.
What is the approximate bond angle for a molecule with a trigonal planar shape?
The approximate bond angle for a molecule with a trigonal planar shape is 120 degrees.
What is a trigonal planar structure?
nh3
What is the shape of SeO3?
Trigonal planar
Molecular geometry of BF3?
The molecular geometry of BF3 is trigonal planar. It has three bond pairs and no lone pairs, resulting in a planar triangular shape. The bond angle between the three fluorine atoms is approximately 120 degrees.
Is the shape of PCl3 trigonal planar or pyramidal?
Trigonal Pyramidal. It is not trigonal planar because there is one lone pair around the central atom, just like the shape of ammonia.
What is the molecular shape and polarity of H2CO?
The molecule H2CO, formaldehyde, has a trigonal planar molecular shape with a bond angle of 120 degrees. It is a polar molecule due to the difference in electronegativity between carbon and oxygen, resulting in a net dipole moment.
