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

using model chemistry: B2PLYP=FULL/TZVP

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=FULL/TZVP
 hartrees
Energy at 0K-2813.701991
Energy at 298.15K 
HF Energy-2813.524560
Nuclear repulsion energy164.931599
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=FULL/TZVP
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 3051 2911 26.98 166.13 0.00 0.01
2 A1 1205 1150 0.17 82.90 0.31 0.47
3 A1 594 567 70.43 16.84 0.20 0.34
4 A1 291 277 17.37 22.13 0.28 0.44
5 E 3131 2987 14.91 125.49 0.75 0.86
5 E 3131 2987 14.91 125.49 0.75 0.86
6 E 1461 1394 1.54 10.93 0.75 0.86
6 E 1461 1394 1.54 10.93 0.75 0.86
7 E 618 590 76.96 0.33 0.75 0.86
7 E 618 590 76.96 0.33 0.75 0.86
8 E 102 98 34.15 0.53 0.75 0.86
8 E 102 98 34.14 0.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7881.9 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 7520.9 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 B2PLYP=FULL/TZVP
ABC
5.41081 0.05384 0.05384

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

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 -1.126
Br3 0.000 0.000 1.245
H4 0.000 1.015 -3.608
H5 0.879 -0.508 -3.608
H6 -0.879 -0.508 -3.608

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.08174.45301.09101.09101.0910
Mg22.08172.37132.68112.68112.6811
Br34.45302.37134.95784.95784.9578
H41.09102.68114.95781.75821.7582
H51.09102.68114.95781.75821.7582
H61.09102.68114.95781.75821.7582

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 111.497
Mg2 C1 H5 111.497 Mg2 C1 H6 111.497
H4 C1 H5 107.371 H4 C1 H6 107.371
H5 C1 H6 107.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability