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

using model chemistry: wB97X-D/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-317.183106
Energy at 298.15K 
HF Energy-317.183106
Nuclear repulsion energy213.413434
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 wB97X-D/Def2TZVPP
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' 3599 3437 171.11 317.09 0.30 0.46
2 A' 2390 2283 12.74 237.43 0.10 0.19
3 A' 2185 2087 682.97 8.18 0.40 0.57
4 A' 1361 1300 1.19 45.02 0.19 0.32
5 A' 831 794 458.52 5.75 0.70 0.82
6 A' 662 632 2.55 15.31 0.07 0.13
7 A' 623 595 20.57 4.56 0.63 0.77
8 A' 599 572 0.59 0.19 0.59 0.74
9 A' 457 437 39.08 1.20 0.38 0.55
10 A' 176 168 7.65 0.21 0.71 0.83
11 A' 137 131 9.80 8.40 0.73 0.84
12 A" 2381 2275 33.64 174.16 0.75 0.86
13 A" 1240 1184 1.16 10.00 0.75 0.86
14 A" 748 715 81.86 0.40 0.75 0.86
15 A" 642 613 5.39 1.13 0.75 0.86
16 A" 426 407 7.47 4.31 0.75 0.86
17 A" 399 382 0.67 0.23 0.75 0.86
18 A" 135 129 0.01 9.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9494.4 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 9069.0 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 wB97X-D/Def2TZVPP
ABC
0.09526 0.09429 0.04755

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 -0.060 0.000
C2 -0.004 1.273 0.000
N3 0.119 2.459 0.000
C4 -0.004 -0.760 1.242
C5 -0.004 -0.760 -1.242
N6 -0.004 -1.319 2.245
N7 -0.004 -1.319 -2.245
H8 -0.664 3.101 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33292.52181.42561.42562.57392.57393.2294
C21.33291.19232.38242.38243.42893.42891.9438
N32.52181.19233.45263.45264.39614.39611.0128
C41.42562.38243.45262.48331.14843.53124.1097
C51.42562.38243.45262.48333.53121.14844.1097
N62.57393.42894.39611.14843.53124.49025.0013
N72.57393.42894.39613.53121.14844.49025.0013
H83.22941.94381.01284.10974.10975.00135.0013

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.077 C1 C4 N6 179.665
C1 C5 N7 179.665 C2 C1 C4 119.428
C2 C1 C5 119.428 C2 N3 H8 123.448
C4 C1 C5 121.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.259      
2 C 0.083      
3 N -0.093      
4 C -0.245      
5 C -0.245      
6 N 0.017      
7 N 0.017      
8 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.332 5.402 0.000 5.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.789 -4.575 0.000
y -4.575 -34.643 0.000
z 0.000 0.000 -52.994
Traceless
 xyz
x 6.030 -4.575 0.000
y -4.575 10.749 0.000
z 0.000 0.000 -16.778
Polar
3z2-r2-33.557
x2-y2-3.146
xy-4.575
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.027 0.016 0.000
y 0.016 12.538 0.000
z 0.000 0.000 9.924


<r2> (average value of r2) Å2
<r2> 208.689
(<r2>)1/2 14.446