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

using model chemistry: B3LYP/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-2814.247264
Energy at 298.15K 
HF Energy-2814.247264
Nuclear repulsion energy164.809904
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/daug-cc-pVDZ
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 3010 3010 26.89 197.71 0.00 0.00
2 A1 1128 1128 2.43 111.14 0.21 0.35
3 A1 592 592 78.96 13.69 0.21 0.35
4 A1 291 291 15.36 28.93 0.14 0.24
5 E 3093 3093 13.83 118.80 0.75 0.86
5 E 3093 3093 13.83 118.82 0.75 0.86
6 E 1417 1417 0.01 0.21 0.75 0.86
6 E 1417 1417 0.01 0.20 0.75 0.86
7 E 564 564 64.80 6.90 0.75 0.86
7 E 564 564 64.80 6.91 0.75 0.86
8 E 99 99 24.96 1.75 0.75 0.86
8 E 99 99 24.96 1.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7684.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7684.5 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/daug-cc-pVDZ
ABC
5.30212 0.05381 0.05381

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.209
Mg2 0.000 0.000 -1.125
Br3 0.000 0.000 1.245
H4 0.000 1.025 -3.610
H5 0.888 -0.513 -3.610
H6 -0.888 -0.513 -3.610

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08404.45471.10101.10101.1010
Mg22.08402.37062.68812.68812.6881
Br34.45472.37064.96264.96264.9626
H41.10102.68814.96261.77621.7762
H51.10102.68814.96261.77621.7762
H61.10102.68814.96261.77621.7762

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 111.350
Mg2 C1 H5 111.350 Mg2 C1 H6 111.350
H4 C1 H5 107.529 H4 C1 H6 107.529
H5 C1 H6 107.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.684      
2 Mg -0.821      
3 Br 0.066      
4 H -0.309      
5 H -0.309      
6 H -0.309      


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 -2.257 2.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.056 0.000 0.000
y 0.000 -35.056 0.000
z 0.000 0.000 -44.015
Traceless
 xyz
x 4.479 0.000 0.000
y 0.000 4.479 0.000
z 0.000 0.000 -8.959
Polar
3z2-r2-17.917
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 8.034 0.000 0.000
y 0.000 8.034 0.000
z 0.000 0.000 12.829


<r2> (average value of r2) Å2
<r2> 197.289
(<r2>)1/2 14.046