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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-315.300478
Energy at 298.15K 
HF Energy-315.300478
Nuclear repulsion energy212.255684
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 B3PW91/3-21G
Rotational Constants (cm-1) from geometry optimized at B3PW91/3-21G
ABC
0.09484 0.09309 0.04710

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -0.057 0.000
C2 0.001 1.285 0.000
N3 0.082 2.478 0.000
C4 0.001 -0.760 1.232
C5 0.001 -0.760 -1.232
N6 0.001 -1.344 2.243
N7 0.001 -1.344 -2.243
H8 -0.615 3.223 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34232.53611.41811.41812.58582.58583.3373
C21.34231.19522.38732.38733.45593.45592.0332
N32.53611.19523.46473.46474.43204.43201.0201
C41.41812.38733.46472.46381.16773.52344.2140
C51.41812.38733.46472.46383.52341.16774.2140
N62.58583.45594.43201.16773.52344.48555.1251
N72.58583.45594.43203.52341.16774.48555.1251
H83.33732.03321.02014.21404.21405.12515.1251

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.122 C1 C4 N6 179.662
C1 C5 N7 179.662 C2 C1 C4 119.697
C2 C1 C5 119.697 C2 N3 H8 133.055
C4 C1 C5 120.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 C 0.620      
3 N -0.757      
4 C 0.370      
5 C 0.370      
6 N -0.477      
7 N -0.477      
8 H 0.374      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.504 5.856 0.000 6.046
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.015 -4.995 0.000
y -4.995 -32.060 0.000
z 0.000 0.000 -51.609
Traceless
 xyz
x 3.819 -4.995 0.000
y -4.995 12.752 0.000
z 0.000 0.000 -16.571
Polar
3z2-r2-33.143
x2-y2-5.956
xy-4.995
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.668 -0.065 0.000
y -0.065 11.006 0.000
z 0.000 0.000 8.033


<r2> (average value of r2) Å2
<r2> 209.895
(<r2>)1/2 14.488