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

using model chemistry: wB97X-D/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1733.144818
Energy at 298.15K-1733.144165
HF Energy-1733.144818
Nuclear repulsion energy104.620686
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/6-31+G**
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 2299 2190 0.19      
2 Σ 468 446 15.82      
3 Π 259 247 5.02      
3 Π 259 247 5.02      

Unscaled Zero Point Vibrational Energy (zpe) 1643.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 1564.6 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 wB97X-D/6-31+G**
B
0.13890

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cu1 0.000 0.000 0.765
C2 0.000 0.000 -1.080
N3 0.000 0.000 -2.245

Atom - Atom Distances (Å)
  Cu1 C2 N3
Cu11.84493.0099
C21.84491.1650
N33.00991.1650

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/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cu 0.292      
2 C 0.208      
3 N -0.499      


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 7.406 7.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.789 0.000 0.000
y 0.000 -23.789 0.000
z 0.000 0.000 -29.423
Traceless
 xyz
x 2.817 0.000 0.000
y 0.000 2.817 0.000
z 0.000 0.000 -5.633
Polar
3z2-r2-11.266
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 3.907 0.000 0.000
y 0.000 3.907 0.000
z 0.000 0.000 7.346


<r2> (average value of r2) Å2
<r2> 75.340
(<r2>)1/2 8.680

State 2 (3Π)

Jump to S1C1
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-1733.037624
Energy at 298.15K-1733.036804
HF Energy-1733.037624
Nuclear repulsion energy101.571324
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/6-31+G**
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 2304 2194 24.13      
2 Σ 432 412 47.52      
3 Π 210 200 5.94      
3 Π 210 200 5.94      

Unscaled Zero Point Vibrational Energy (zpe) 1578.4 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 1503.1 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/6-31+G**
B
0.13077

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cu1 0.000 0.000 0.788
C2 0.000 0.000 -1.131
N3 0.000 0.000 -2.294

Atom - Atom Distances (Å)
  Cu1 C2 N3
Cu11.91843.0822
C21.91841.1637
N33.08221.1637

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/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cu 0.143      
2 C 0.328      
3 N -0.472      


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 3.638 3.638
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.563 0.000 0.000
y 0.000 -24.563 0.000
z 0.000 0.000 -36.933
Traceless
 xyz
x 6.185 0.000 0.000
y 0.000 6.185 0.000
z 0.000 0.000 -12.371
Polar
3z2-r2-24.742
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 6.638 0.000 0.000
y 0.000 6.638 0.000
z 0.000 0.000 10.015


<r2> (average value of r2) Å2
<r2> 80.909
(<r2>)1/2 8.995