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

using model chemistry: B3PW91/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 B3PW91/daug-cc-pVDZ
 hartrees
Energy at 0K-2814.164699
Energy at 298.15K 
HF Energy-2814.164699
Nuclear repulsion energy165.012956
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 B3PW91/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 3019 3019 23.69 192.56 0.00 0.00
2 A1 1126 1126 1.07 105.16 0.20 0.33
3 A1 596 596 81.80 13.41 0.19 0.32
4 A1 293 293 15.04 26.21 0.13 0.23
5 E 3111 3111 12.88 113.65 0.75 0.86
5 E 3111 3111 12.88 113.64 0.75 0.86
6 E 1412 1412 0.02 0.20 0.75 0.86
6 E 1412 1412 0.02 0.21 0.75 0.86
7 E 560 560 69.83 7.15 0.75 0.86
7 E 560 560 69.83 7.15 0.75 0.86
8 E 99 99 25.93 1.62 0.75 0.86
8 E 99 99 25.94 1.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7699.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7699.6 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 B3PW91/daug-cc-pVDZ
ABC
5.30962 0.05395 0.05395

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/daug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.204
Mg2 0.000 0.000 -1.124
Br3 0.000 0.000 1.244
H4 0.000 1.025 -3.608
H5 0.887 -0.512 -3.608
H6 -0.887 -0.512 -3.608

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08044.44791.10141.10141.1014
Mg22.08042.36752.68722.68722.6872
Br34.44792.36754.95864.95864.9586
H41.10142.68724.95861.77491.7749
H51.10142.68724.95861.77491.7749
H61.10142.68724.95861.77491.7749

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 111.500
Mg2 C1 H5 111.500 Mg2 C1 H6 111.500
H4 C1 H5 107.368 H4 C1 H6 107.368
H5 C1 H6 107.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.299      
2 Mg -0.787      
3 Br 0.032      
4 H -0.182      
5 H -0.182      
6 H -0.182      


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 -2.243 2.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.718 0.000 0.000
y 0.000 -34.718 0.000
z 0.000 0.000 -43.580
Traceless
 xyz
x 4.431 0.000 0.000
y 0.000 4.431 0.000
z 0.000 0.000 -8.862
Polar
3z2-r2-17.724
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 7.969 0.000 0.000
y 0.000 7.969 0.000
z 0.000 0.000 12.440


<r2> (average value of r2) Å2
<r2> 196.626
(<r2>)1/2 14.022