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

using model chemistry: QCISD(T)=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD(T)=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-2812.694153
Energy at 298.15K 
HF Energy-2811.691088
Nuclear repulsion energy166.387102
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 QCISD(T)=FULL/6-311+G(3df,2p)
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 3026 3026        
2 A1 1169 1169        
3 A1 612 612        
4 A1 304 304        
5 E 3105 3105        
5 E 3105 3105        
6 E 1465 1465        
6 E 1465 1465        
7 E 576 576        
7 E 575 575        
8 E 101 101        
8 E 101 101        

Unscaled Zero Point Vibrational Energy (zpe) 7801.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7801.9 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 QCISD(T)=FULL/6-311+G(3df,2p)
ABC
5.38721 0.05480 0.05480

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.183
Mg2 0.000 0.000 -1.111
Br3 0.000 0.000 1.234
H4 0.000 1.017 -3.583
H5 0.881 -0.509 -3.583
H6 -0.881 -0.509 -3.583

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.07184.41611.09321.09321.0932
Mg22.07182.34432.67312.67312.6731
Br34.41612.34434.92264.92264.9226
H41.09322.67314.92261.76211.7621
H51.09322.67314.92261.76211.7621
H61.09322.67314.92261.76211.7621

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 111.473
Mg2 C1 H5 111.473 Mg2 C1 H6 111.473
H4 C1 H5 107.397 H4 C1 H6 107.397
H5 C1 H6 107.398
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability