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All results from a given calculation for CH3MgBr (Methyl Magnesium Bromide)

using model chemistry: BLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-2814.292191
Energy at 298.15K 
HF Energy-2814.292191
Nuclear repulsion energy164.571663
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at BLYP/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2948 2938 26.40 208.93 0.00 0.00
2 A1 1121 1117 4.91 127.70 0.21 0.35
3 A1 578 576 72.77 15.34 0.20 0.33
4 A1 284 283 15.53 33.90 0.15 0.26
5 E 3016 3005 12.51 119.91 0.75 0.86
5 E 3016 3005 12.51 119.85 0.75 0.86
6 E 1419 1414 0.02 0.16 0.75 0.86
6 E 1419 1414 0.02 0.16 0.75 0.86
7 E 582 580 58.27 7.59 0.75 0.86
7 E 582 580 58.27 7.63 0.75 0.86
8 E 96 96 22.29 2.06 0.75 0.86
8 E 96 96 22.28 2.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7578.4 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 7552.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at BLYP/aug-cc-pVTZ
ABC
5.31042 0.05361 0.05361

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.218
Mg2 0.000 0.000 -1.127
Br3 0.000 0.000 1.247
H4 0.000 1.025 -3.612
H5 0.887 -0.512 -3.612
H6 -0.887 -0.512 -3.612

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.09104.46521.09771.09771.0977
Mg22.09102.37412.68782.68782.6878
Br34.46522.37414.96594.96594.9659
H41.09772.68784.96591.77481.7748
H51.09772.68784.96591.77481.7748
H61.09772.68784.96591.77481.7748

picture of Methyl Magnesium Bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 Mg2 Br3 180.000 Mg2 C1 H4 111.025
Mg2 C1 H5 111.025 Mg2 C1 H6 111.025
H4 C1 H5 107.874 H4 C1 H6 107.874
H5 C1 H6 107.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.632      
2 Mg 0.520      
3 Br -0.417      
4 H 0.176      
5 H 0.176      
6 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.233 2.233
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.223 0.000 0.000
y 0.000 -35.223 0.000
z 0.000 0.000 -43.882
Traceless
 xyz
x 4.330 0.000 0.000
y 0.000 4.330 0.000
z 0.000 0.000 -8.659
Polar
3z2-r2-17.318
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.376 0.000 0.000
y 0.000 8.376 0.000
z 0.000 0.000 13.848


<r2> (average value of r2) Å2
<r2> 197.902
(<r2>)1/2 14.068