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All results from a given calculation for HN=C=C(CN)2 (Dicyanoketenimine)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-317.123290
Energy at 298.15K 
HF Energy-317.123290
Nuclear repulsion energy212.888641
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 B3PW91/6-311G*
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-311G*
ABC
0.09443 0.09438 0.04736

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.007 -0.060 0.000
C2 -0.007 1.278 0.000
N3 0.130 2.467 0.000
C4 -0.007 -0.760 1.239
C5 -0.007 -0.760 -1.239
N6 -0.007 -1.327 2.245
N7 -0.007 -1.327 -2.245
H8 -0.644 3.126 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33842.53131.42281.42282.57822.57823.2492
C21.33841.19722.38532.38533.43953.43951.9544
N32.53131.19723.45993.45994.41144.41141.0161
C41.42282.38533.45992.47721.15543.52974.1283
C51.42282.38533.45992.47723.52971.15544.1283
N62.57823.43954.41141.15543.52974.49075.0278
N72.57823.43954.41143.52971.15544.49075.0278
H83.24921.95441.01614.12834.12835.02785.0278

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.420 C1 C4 N6 179.910
C1 C5 N7 179.910 C2 C1 C4 119.477
C2 C1 C5 119.477 C2 N3 H8 123.820
C4 C1 C5 121.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.026      
2 C 0.424      
3 N -0.548      
4 C 0.137      
5 C 0.137      
6 N -0.248      
7 N -0.248      
8 H 0.371      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.441 5.381 0.000 5.571
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.843 -4.835 0.000
y -4.835 -34.132 0.000
z 0.000 0.000 -52.191
Traceless
 xyz
x 5.318 -4.835 0.000
y -4.835 10.885 0.000
z 0.000 0.000 -16.203
Polar
3z2-r2-32.407
x2-y2-3.712
xy-4.835
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.929 0.003 0.000
y 0.003 11.977 0.000
z 0.000 0.000 9.259


<r2> (average value of r2) Å2
<r2> 209.189
(<r2>)1/2 14.463