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 CNN (Diazocarbene)

using model chemistry: B3LYPultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ-
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-147.467170
Energy at 298.15K 
HF Energy-147.467170
Nuclear repulsion energy48.391433
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 B3LYPultrafine/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 1516 1472 0.00 46.57 0.21 0.35
2 Σ 1282 1244 15.75 21.79 0.25 0.40
3 Π 378 367 4.91 0.07 0.75 0.86
3 Π 378 367 4.91 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1777.7 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 1725.0 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 B3LYPultrafine/aug-cc-pVDZ
B
0.43329

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.293
N2 0.000 0.000 -0.051
N3 0.000 0.000 1.159

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24242.4519
N21.24241.2095
N32.45191.2095

picture of Diazocarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.136      
2 N 0.285      
3 N -0.149      


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 0.731 0.731
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.169 0.000 0.000
y 0.000 -16.169 0.000
z 0.000 0.000 -21.461
Traceless
 xyz
x 2.646 0.000 0.000
y 0.000 2.646 0.000
z 0.000 0.000 -5.293
Polar
3z2-r2-10.585
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 2.832 0.000 0.000
y 0.000 2.832 0.000
z 0.000 0.000 6.095


<r2> (average value of r2) Å2
<r2> 30.651
(<r2>)1/2 5.536