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All results from a given calculation for CH2Br (bromomethyl radical)

using model chemistry: ROHF/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2V 2A1

Conformer 1 (CS)

Jump to S1C2
Vibrational Frequencies calculated at ROHF/daug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at ROHF/daug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/daug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at ROHF/daug-cc-pVDZ
 hartrees
Energy at 0K-2611.368136
Energy at 298.15K 
HF Energy-2611.368136
Nuclear repulsion energy80.141696
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 ROHF/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 3332 3332 7.12      
2 A1 1482 1482 34.87      
3 A1 725 725 18.81      
4 B1 492i 492i 60.23      
5 B2 3501 3501 1.34      
6 B2 984 984 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 4765.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4765.5 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 ROHF/daug-cc-pVDZ
ABC
9.23531 0.37226 0.35784

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.499
Br2 0.000 0.000 0.371
H3 0.000 0.952 -1.997
H4 0.000 -0.952 -1.997

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.86981.07401.0740
Br21.86982.55172.5517
H31.07402.55171.9032
H41.07402.55171.9032

picture of bromomethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.614 Br2 C1 H4 117.614
H3 C1 H4 124.771
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.394      
2 Br 0.377      
3 H -0.386      
4 H -0.386      


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 -1.506 1.506
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.843 0.000 0.000
y 0.000 -24.687 -0.001
z 0.000 -0.001 -21.572
Traceless
 xyz
x -3.713 0.000 0.000
y 0.000 -0.480 -0.001
z 0.000 -0.001 4.193
Polar
3z2-r28.385
x2-y2-2.155
xy0.000
xz0.000
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 43.298
(<r2>)1/2 6.580