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

using model chemistry: B3LYPultrafine/aug-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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-2814.246381
Energy at 298.15K 
HF Energy-2814.246381
Nuclear repulsion energy164.732092
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 B3LYPultrafine/aug-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 3013 2924 25.35 191.11 0.00 0.00
2 A1 1130 1096 2.30 112.33 0.20 0.34
3 A1 591 573 80.08 13.39 0.17 0.30
4 A1 291 282 15.25 27.85 0.16 0.27
5 E 3095 3004 12.70 115.09 0.75 0.86
5 E 3095 3004 12.70 115.05 0.75 0.86
6 E 1415 1373 0.02 0.16 0.75 0.86
6 E 1415 1373 0.02 0.16 0.75 0.86
7 E 567 550 64.91 7.04 0.75 0.86
7 E 567 550 64.92 7.06 0.75 0.86
8 E 101 98 24.56 1.49 0.75 0.86
8 E 101 98 24.56 1.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7690.4 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 7462.8 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 B3LYPultrafine/aug-cc-pVDZ
ABC
5.29952 0.05376 0.05376

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.211
Mg2 0.000 0.000 -1.126
Br3 0.000 0.000 1.246
H4 0.000 1.026 -3.611
H5 0.888 -0.513 -3.611
H6 -0.888 -0.513 -3.611

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08454.45651.10121.10121.1012
Mg22.08452.37212.68862.68862.6886
Br34.45652.37214.96444.96444.9644
H41.10122.68864.96441.77661.7766
H51.10122.68864.96441.77661.7766
H61.10122.68864.96441.77661.7766

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 111.340
Mg2 C1 H5 111.340 Mg2 C1 H6 111.340
H4 C1 H5 107.539 H4 C1 H6 107.539
H5 C1 H6 107.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.663      
2 Mg 0.571      
3 Br -0.276      
4 H -0.319      
5 H -0.319      
6 H -0.319      


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 -2.258 2.258
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.075 0.000 0.000
y 0.000 -35.075 0.000
z 0.000 0.000 -43.886
Traceless
 xyz
x 4.406 0.000 0.000
y 0.000 4.406 0.000
z 0.000 0.000 -8.812
Polar
3z2-r2-17.623
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 7.774 0.000 0.000
y 0.000 7.774 0.000
z 0.000 0.000 12.744


<r2> (average value of r2) Å2
<r2> 197.421
(<r2>)1/2 14.051