return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CuCH3 (monomethyl copper)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-1680.092377
Energy at 298.15K-1680.095251
Nuclear repulsion energy80.649650
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 B3PW91/6-31G(2df,p)
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 3009 2893 14.29      
2 A1 1212 1165 49.86      
3 A1 707 680 22.20      
4 E 3093 2973 4.79      
4 E 3093 2973 4.79      
5 E 1423 1368 0.96      
5 E 1423 1368 0.97      
6 E 678 651 76.59      
6 E 678 651 76.60      

Unscaled Zero Point Vibrational Energy (zpe) 7657.3 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 7361.7 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 B3PW91/6-31G(2df,p)
ABC
5.29594 0.38631 0.38631

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cu1 0.000 0.000 0.451
C2 0.000 0.000 -1.324
H3 0.000 1.026 -1.714
H4 0.889 -0.513 -1.714
H5 -0.889 -0.513 -1.714

Atom - Atom Distances (Å)
  Cu1 C2 H3 H4 H5
Cu11.77532.39622.39622.3962
C21.77531.09771.09771.0977
H32.39621.09771.77721.7772
H42.39621.09771.77721.7772
H52.39621.09771.77721.7772

picture of monomethyl copper state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cu1 C2 H3 110.815 Cu1 C2 H4 110.815
Cu1 C2 H5 110.815 H3 C2 H4 108.095
H3 C2 H5 108.095 H4 C2 H5 108.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cu 0.315      
2 C -0.766      
3 H 0.150      
4 H 0.150      
5 H 0.150      


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 1.702 1.702
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.212 0.000 0.000
y 0.000 -21.212 0.000
z 0.000 0.000 -19.267
Traceless
 xyz
x -0.973 0.000 0.000
y 0.000 -0.973 0.000
z 0.000 0.000 1.945
Polar
3z2-r23.891
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.745 0.000 0.000
y 0.000 6.747 -0.001
z 0.000 -0.001 8.981


<r2> (average value of r2) Å2
<r2> 41.241
(<r2>)1/2 6.422