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 ZnCN (Zinc monocyanide)

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-1872.219641
Energy at 298.15K-1872.218947
HF Energy-1872.219641
Nuclear repulsion energy103.060710
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/aug-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 Σ 2260 2180 25.71      
2 Σ 405 391 51.55      
3 Π 174 168 2.96      
3 Π 174 168 2.96      

Unscaled Zero Point Vibrational Energy (zpe) 1506.4 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 1453.0 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/aug-cc-pVDZ
B
0.12678

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.784
C2 0.000 0.000 -1.180
N3 0.000 0.000 -2.347

Atom - Atom Distances (Å)
  Zn1 C2 N3
Zn11.96323.1304
C21.96321.1672
N33.13041.1672

picture of Zinc monocyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Zn1 C2 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.017      
2 C 0.210      
3 N -0.227      


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 4.417 4.417
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.266 0.000 0.000
y 0.000 -24.266 0.000
z 0.000 0.000 -36.144
Traceless
 xyz
x 5.939 0.000 0.000
y 0.000 5.939 0.000
z 0.000 0.000 -11.878
Polar
3z2-r2-23.756
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 6.143 0.000 0.001
y 0.000 6.144 -0.000
z 0.001 -0.000 9.023


<r2> (average value of r2) Å2
<r2> 82.950
(<r2>)1/2 9.108