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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-316.913520
Energy at 298.15K 
HF Energy-316.583043
Nuclear repulsion energy210.709517
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 B2PLYP/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 A' 3515 3367 106.27 470.97 0.31 0.47
2 A' 2277 2180 6.46 187.87 0.11 0.20
3 A' 2143 2052 466.46 8.04 0.24 0.38
4 A' 1333 1277 5.13 43.87 0.23 0.38
5 A' 876 839 434.76 11.33 0.66 0.80
6 A' 656 628 2.04 14.50 0.10 0.18
7 A' 595 569 10.59 6.22 0.68 0.81
8 A' 580 556 0.69 0.27 0.41 0.58
9 A' 432 414 29.92 1.74 0.34 0.51
10 A' 171 164 5.48 0.41 0.72 0.83
11 A' 134 128 7.36 8.03 0.73 0.84
12 A" 2274 2178 10.26 153.52 0.75 0.86
13 A" 1228 1176 2.00 6.88 0.75 0.86
14 A" 732 701 80.53 1.87 0.75 0.86
15 A" 623 597 2.70 0.53 0.75 0.86
16 A" 409 391 7.04 4.47 0.75 0.86
17 A" 382 366 0.20 0.22 0.75 0.86
18 A" 131 126 0.00 9.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9244.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 8853.8 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 B2PLYP/cc-pVDZ
ABC
0.09266 0.09248 0.04646

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.059 0.000
C2 -0.008 1.289 0.000
N3 0.141 2.494 0.000
C4 -0.008 -0.765 1.248
C5 -0.008 -0.765 -1.248
N6 -0.008 -1.341 2.269
N7 -0.008 -1.341 -2.269
H8 -0.672 3.119 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34792.55681.43411.43412.60682.60683.2462
C21.34791.21382.40362.40363.47413.47411.9463
N32.55681.21383.49283.49284.45874.45871.0252
C41.43412.40363.49282.49601.17273.56434.1332
C51.43412.40363.49282.49603.56431.17274.1332
N62.60683.47414.45871.17273.56434.53885.0482
N72.60683.47414.45873.56431.17274.53885.0482
H83.24621.94631.02524.13324.13325.04825.0482

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.944 C1 C4 N6 179.920
C1 C5 N7 179.920 C2 C1 C4 119.510
C2 C1 C5 119.510 C2 N3 H8 120.521
C4 C1 C5 120.981
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.072      
2 C 0.182      
3 N -0.097      
4 C -0.018      
5 C -0.018      
6 N -0.073      
7 N -0.073      
8 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.345 5.144 0.000 5.317
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.884 -4.511 0.000
y -4.511 -34.366 0.045
z 0.000 0.045 -51.531
Traceless
 xyz
x 5.065 -4.511 0.000
y -4.511 10.341 0.045
z 0.000 0.045 -15.406
Polar
3z2-r2-30.813
x2-y2-3.518
xy-4.511
xz0.000
yz0.045


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.792 -0.053 -0.000
y -0.053 11.868 -0.003
z -0.000 -0.003 8.825


<r2> (average value of r2) Å2
<r2> 212.618
(<r2>)1/2 14.581