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

using model chemistry: B97D3/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B97D3/aug-cc-pVQZ
 hartrees
Energy at 0K-2815.572443
Energy at 298.15K 
HF Energy-2815.572443
Nuclear repulsion energy164.611693
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 B97D3/aug-cc-pVQZ
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 2960 2960 28.83 205.04 0.00 0.00
2 A1 1127 1127 3.01 125.22 0.20 0.33
3 A1 584 584 76.95 16.34 0.17 0.29
4 A1 282 282 16.05 30.32 0.13 0.23
5 E 3037 3037 15.11 120.17 0.75 0.86
5 E 3037 3037 15.11 119.83 0.75 0.86
6 E 1424 1424 0.11 0.24 0.75 0.86
6 E 1424 1424 0.11 0.24 0.75 0.86
7 E 569 569 65.39 9.02 0.75 0.86
7 E 569 569 65.38 8.92 0.75 0.86
8 E 96 96 24.51 2.04 0.75 0.86
8 E 96 96 24.52 2.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7601.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7601.1 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 B97D3/aug-cc-pVQZ
ABC
5.35040 0.05363 0.05363

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVQZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.215
Mg2 0.000 0.000 -1.127
Br3 0.000 0.000 1.247
H4 0.000 1.021 -3.615
H5 0.884 -0.510 -3.615
H6 -0.884 -0.510 -3.615

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08804.46241.09621.09621.0962
Mg22.08802.37442.68892.68892.6889
Br34.46242.37444.96804.96804.9680
H41.09622.68894.96801.76811.7681
H51.09622.68894.96801.76811.7681
H61.09622.68894.96801.76811.7681

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 111.376
Mg2 C1 H5 111.376 Mg2 C1 H6 111.376
H4 C1 H5 107.501 H4 C1 H6 107.501
H5 C1 H6 107.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.402      
2 Mg 0.157      
3 Br -0.304      
4 H 0.183      
5 H 0.183      
6 H 0.183      


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 -2.213 2.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.758 0.000 0.000
y 0.000 -34.758 0.000
z 0.000 0.000 -43.982
Traceless
 xyz
x 4.612 0.000 0.000
y 0.000 4.612 0.000
z 0.000 0.000 -9.225
Polar
3z2-r2-18.449
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 8.397 0.000 0.000
y 0.000 8.397 0.000
z 0.000 0.000 13.264


<r2> (average value of r2) Å2
<r2> 197.670
(<r2>)1/2 14.060