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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-2813.615023
Energy at 298.15K 
HF Energy-2813.499600
Nuclear repulsion energy164.867692
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 B2PLYP=FULLultrafine/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 ?a 596 596 80.28 13.01 0.20 0.33
2 ?a 557 557 67.53 7.31 0.75 0.86
3 ?a 556 556 67.60 7.33 0.75 0.86
4 ?a 294 294 14.73 27.30 0.13 0.24
5 ?a 99 99 26.53 1.69 0.75 0.86
5 ?a 98 98 26.45 1.70 0.75 0.86
6 A1 3032 3032 24.39 202.38 0.00 0.00
6 A1 1131 1131 1.95 107.91 0.21 0.35
7 E 3119 3119 14.77 113.64 0.75 0.86
7 E 3119 3119 14.77 113.88 0.75 0.86
8 E 1430 1430 0.07 0.23 0.75 0.86
8 E 1430 1430 0.07 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7730.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7730.2 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 B2PLYP=FULLultrafine/daug-cc-pVDZ
ABC
5.30861 0.05384 0.05384

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/daug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -3.208
Mg2 0.000 0.000 -1.125
Br3 0.000 0.000 1.245
H4 0.000 1.025 -3.609
H5 0.888 -0.512 -3.609
H6 -0.888 -0.512 -3.609

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08324.45301.10061.10061.1006
Mg22.08322.36982.68742.68742.6874
Br34.45302.36984.96124.96124.9612
H41.10062.68744.96121.77511.7751
H51.10062.68744.96121.77511.7751
H61.10062.68744.96121.77511.7751

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 111.377
Mg2 C1 H5 111.377 Mg2 C1 H6 111.377
H4 C1 H5 107.500 H4 C1 H6 107.500
H5 C1 H6 107.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability