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

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-2814.341929
Energy at 298.15K 
HF Energy-2814.341929
Nuclear repulsion energy165.744968
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 B3LYP/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 3015 2917 24.67 188.95 0.00 0.00
2 A1 1156 1118 1.26 111.56 0.21 0.35
3 A1 599 579 78.35 14.21 0.19 0.32
4 A1 294 285 15.65 27.89 0.14 0.25
5 E 3086 2986 12.23 113.96 0.75 0.86
5 E 3086 2986 12.23 113.94 0.75 0.86
6 E 1452 1405 0.00 0.17 0.75 0.86
6 E 1452 1405 0.00 0.17 0.75 0.86
7 E 589 570 64.66 7.17 0.75 0.86
7 E 589 570 64.66 7.19 0.75 0.86
8 E 100 97 25.34 1.70 0.75 0.86
8 E 100 97 25.34 1.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7759.0 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 7506.9 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 B3LYP/aug-cc-pVTZ
ABC
5.37996 0.05438 0.05438

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.194
Mg2 0.000 0.000 -1.118
Br3 0.000 0.000 1.239
H4 0.000 1.018 -3.589
H5 0.882 -0.509 -3.589
H6 -0.882 -0.509 -3.589

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.07614.43281.09181.09181.0918
Mg22.07612.35672.67222.67222.6722
Br34.43282.35674.93364.93364.9336
H41.09182.67224.93361.76331.7633
H51.09182.67224.93361.76331.7633
H61.09182.67224.93361.76331.7633

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 111.187
Mg2 C1 H5 111.187 Mg2 C1 H6 111.187
H4 C1 H5 107.702 H4 C1 H6 107.702
H5 C1 H6 107.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.760      
2 Mg 0.563      
3 Br -0.408      
4 H 0.202      
5 H 0.202      
6 H 0.202      


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 -2.191 2.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.845 0.000 0.000
y 0.000 -34.845 0.000
z 0.000 0.000 -44.108
Traceless
 xyz
x 4.632 0.000 0.000
y 0.000 4.632 0.000
z 0.000 0.000 -9.263
Polar
3z2-r2-18.526
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 7.963 0.000 0.000
y 0.000 7.963 0.000
z 0.000 0.000 12.696


<r2> (average value of r2) Å2
<r2> 195.352
(<r2>)1/2 13.977