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All results from a given calculation for CuCN (Copper cyanide)

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
2 1 yes CS 3Π

State 1 (1Σ)

Jump to S2C1
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-1733.441065
Energy at 298.15K-1733.440404
HF Energy-1733.441065
Nuclear repulsion energy104.851884
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 wB97X-D/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 Σ 2302 2200 0.03      
2 Σ 478 456 15.59      
3 Π 251 240 4.71      
3 Π 251 240 4.71      

Unscaled Zero Point Vibrational Energy (zpe) 1640.3 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 1568.1 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 wB97X-D/cc-pVTZ
B
0.13949

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cu1 0.000 0.000 0.764
C2 0.000 0.000 -1.082
N3 0.000 0.000 -2.237

Atom - Atom Distances (Å)
  Cu1 C2 N3
Cu11.84633.0011
C21.84631.1547
N33.00111.1547

picture of Copper cyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cu1 C2 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cu 0.466      
2 C -0.405      
3 N -0.061      


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 7.306 7.306
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.389 0.000 0.000
y 0.000 -23.389 0.000
z 0.000 0.000 -28.527
Traceless
 xyz
x 2.569 0.000 0.000
y 0.000 2.569 0.000
z 0.000 0.000 -5.139
Polar
3z2-r2-10.277
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 3.826 0.000 0.000
y 0.000 3.826 0.000
z 0.000 0.000 6.824


<r2> (average value of r2) Å2
<r2> 74.734
(<r2>)1/2 8.645

State 2 (3Π)

Jump to S1C1
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-1733.337722
Energy at 298.15K-1733.336889
HF Energy-1733.337722
Nuclear repulsion energy101.903975
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 wB97X-D/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 Σ 2306 2205 26.53      
2 Σ 444 424 47.09      
3 Π 200 191 6.71      
3 Π 200 191 6.71      

Unscaled Zero Point Vibrational Energy (zpe) 1574.8 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 1505.5 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 wB97X-D/cc-pVTZ
B
0.13157

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cu1 0.000 0.000 0.786
C2 0.000 0.000 -1.132
N3 0.000 0.000 -2.285

Atom - Atom Distances (Å)
  Cu1 C2 N3
Cu11.91733.0709
C21.91731.1536
N33.07091.1536

picture of Copper cyanide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cu 0.425      
2 C -0.391      
3 N -0.035      


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 3.583 3.583
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.234 0.000 0.000
y 0.000 -24.234 0.000
z 0.000 0.000 -36.498
Traceless
 xyz
x 6.132 0.000 0.000
y 0.000 6.132 0.000
z 0.000 0.000 -12.264
Polar
3z2-r2-24.527
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 6.355 0.000 0.000
y 0.000 6.355 0.000
z 0.000 0.000 9.204


<r2> (average value of r2) Å2
<r2> 80.293
(<r2>)1/2 8.961