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

using model chemistry: BLYP/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 BLYP/daug-cc-pVDZ
 hartrees
Energy at 0K-2814.195705
Energy at 298.15K 
HF Energy-2814.195705
Nuclear repulsion energy163.644300
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 BLYP/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 2939 2939 28.86 220.00 0.00 0.00
2 A1 1091 1091 7.31 125.33 0.21 0.35
3 A1 573 573 73.77 14.56 0.22 0.36
4 A1 282 282 15.12 35.17 0.14 0.25
5 E 3018 3018 14.34 125.81 0.75 0.86
5 E 3018 3018 14.34 125.76 0.75 0.86
6 E 1381 1381 0.05 0.19 0.75 0.86
6 E 1381 1381 0.05 0.19 0.75 0.86
7 E 552 552 58.56 7.30 0.75 0.86
7 E 552 552 58.56 7.29 0.75 0.86
8 E 96 96 21.79 2.10 0.75 0.86
8 E 95 95 21.80 2.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7489.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7489.4 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 BLYP/daug-cc-pVDZ
ABC
5.23501 0.05305 0.05305

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.232
Mg2 0.000 0.000 -1.134
Br3 0.000 0.000 1.254
H4 0.000 1.032 -3.634
H5 0.894 -0.516 -3.634
H6 -0.894 -0.516 -3.634

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.09844.48661.10751.10751.1075
Mg22.09842.38822.70482.70482.7048
Br34.48662.38824.99614.99614.9961
H41.10752.70484.99611.78751.7875
H51.10752.70484.99611.78751.7875
H61.10752.70484.99611.78751.7875

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 111.272
Mg2 C1 H5 111.272 Mg2 C1 H6 111.272
H4 C1 H5 107.612 H4 C1 H6 107.612
H5 C1 H6 107.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.778      
2 Mg -0.857      
3 Br 0.141      
4 H -0.354      
5 H -0.354      
6 H -0.354      


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 -2.292 2.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.444 0.000 0.000
y 0.000 -35.444 0.000
z 0.000 0.000 -43.773
Traceless
 xyz
x 4.164 0.000 0.000
y 0.000 4.164 0.000
z 0.000 0.000 -8.329
Polar
3z2-r2-16.658
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 8.472 0.000 0.000
y 0.000 8.472 0.000
z 0.000 0.000 13.997


<r2> (average value of r2) Å2
<r2> 199.864
(<r2>)1/2 14.137