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

using model chemistry: B3PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-317.073843
Energy at 298.15K 
HF Energy-317.073843
Nuclear repulsion energy211.697609
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/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at B3PW91/cc-pVDZ
ABC
0.09347 0.09334 0.04687

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.007 -0.060 0.000
C2 -0.007 1.285 0.000
N3 0.133 2.483 0.000
C4 -0.007 -0.763 1.244
C5 -0.007 -0.763 -1.244
N6 -0.007 -1.334 2.258
N7 -0.007 -1.334 -2.258
H8 -0.678 3.109 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34492.54721.42861.42862.59272.59273.2401
C21.34491.20662.39572.39573.45803.45801.9444
N32.54721.20663.47893.47894.43754.43751.0248
C41.42862.39573.47892.48791.16413.54844.1223
C51.42862.39573.47892.48793.54841.16414.1223
N62.59273.45804.43751.16413.54844.51635.0296
N72.59273.45804.43753.54841.16414.51635.0296
H83.24011.94441.02484.12234.12235.02965.0296

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.354 C1 C4 N6 179.942
C1 C5 N7 179.942 C2 C1 C4 119.457
C2 C1 C5 119.457 C2 N3 H8 121.032
C4 C1 C5 121.087
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.084      
2 C 0.219      
3 N -0.129      
4 C 0.020      
5 C 0.020      
6 N -0.110      
7 N -0.110      
8 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.351 5.166 0.000 5.340
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.513 -4.515 0.000
y -4.515 -33.983 0.000
z 0.000 0.000 -51.088
Traceless
 xyz
x 5.022 -4.515 0.000
y -4.515 10.318 0.000
z 0.000 0.000 -15.340
Polar
3z2-r2-30.680
x2-y2-3.531
xy-4.515
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.791 -0.076 0.000
y -0.076 11.794 0.000
z 0.000 0.000 9.039


<r2> (average value of r2) Å2
<r2> 210.724
(<r2>)1/2 14.516