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

using model chemistry: B2PLYP=FULL/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-2813.771408
Energy at 298.15K 
HF Energy-2813.592156
Nuclear repulsion energy166.422836
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/daug-cc-pVTZ
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 608 608 80.69 12.51 0.18 0.31
2 ?a 583 583 67.62 7.53 0.75 0.86
3 ?a 582 582 67.65 7.49 0.75 0.86
4 ?a 302 302 14.59 26.10 0.13 0.23
5 ?a 105 105 26.76 1.65 0.75 0.86
5 ?a 104 104 26.77 1.66 0.75 0.86
6 A1 3043 3043 21.56 194.17 0.00 0.00
6 A1 1164 1164 0.67 107.39 0.21 0.35
7 E 3112 3112 12.51 108.08 0.75 0.86
7 E 3112 3112 12.51 108.13 0.75 0.86
8 E 1465 1465 0.04 0.18 0.75 0.86
8 E 1464 1464 0.04 0.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7821.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7821.6 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/daug-cc-pVTZ
ABC
5.40497 0.05481 0.05481

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

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 1.233
H4 0.000 1.016 -3.579
H5 0.880 -0.508 -3.579
H6 -0.880 -0.508 -3.579

Atom - Atom Distances (Å)
  C1 Mg2 Br3 H4 H5 H6
C12.07224.41671.09001.09001.0900
Mg22.07222.34452.66872.66872.6687
Br34.41672.34454.91834.91834.9183
H41.09002.66874.91831.75921.7592
H51.09002.66874.91831.75921.7592
H61.09002.66874.91831.75921.7592

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 111.282
Mg2 C1 H5 111.282 Mg2 C1 H6 111.282
H4 C1 H5 107.602 H4 C1 H6 107.602
H5 C1 H6 107.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability