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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-317.139861
Energy at 298.15K 
HF Energy-317.139861
Nuclear repulsion energy213.105561
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/6-311G**
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' 3592 3436 155.35 334.10 0.31 0.48
2 A' 2393 2288 13.27 201.92 0.11 0.21
3 A' 2189 2094 648.06 7.41 0.40 0.57
4 A' 1361 1302 2.24 43.56 0.22 0.36
5 A' 831 795 459.12 7.99 0.75 0.86
6 A' 662 633 2.70 12.62 0.10 0.19
7 A' 631 604 23.47 6.64 0.68 0.81
8 A' 599 573 0.50 0.08 0.58 0.73
9 A' 455 436 41.39 1.31 0.45 0.62
10 A' 176 168 6.68 0.26 0.72 0.84
11 A' 138 132 8.87 8.88 0.73 0.84
12 A" 2386 2282 29.00 162.71 0.75 0.86
13 A" 1243 1189 1.42 8.09 0.75 0.86
14 A" 749 716 91.67 0.66 0.75 0.86
15 A" 642 614 4.47 1.28 0.75 0.86
16 A" 431 412 8.52 6.25 0.75 0.86
17 A" 400 382 0.57 0.27 0.75 0.86
18 A" 135 129 0.00 9.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9505.9 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 9092.4 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/6-311G**
ABC
0.09489 0.09417 0.04743

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 -0.059 0.000
C2 -0.004 1.275 0.000
N3 0.118 2.464 0.000
C4 -0.004 -0.761 1.242
C5 -0.004 -0.761 -1.242
N6 -0.004 -1.322 2.247
N7 -0.004 -1.322 -2.247
H8 -0.676 3.097 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33462.52671.42621.42622.57732.57733.2275
C21.33461.19542.38492.38493.43423.43421.9420
N32.52671.19543.45823.45824.40454.40451.0151
C41.42622.38493.45822.48331.15113.53334.1085
C51.42622.38493.45822.48333.53331.15114.1085
N62.57733.43424.40451.15113.53334.49365.0030
N72.57733.43424.40453.53331.15114.49365.0030
H83.22751.94201.01514.10854.10855.00305.0030

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.144 C1 C4 N6 179.701
C1 C5 N7 179.701 C2 C1 C4 119.468
C2 C1 C5 119.468 C2 N3 H8 122.725
C4 C1 C5 121.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.026      
2 C 0.338      
3 N -0.366      
4 C 0.111      
5 C 0.111      
6 N -0.218      
7 N -0.218      
8 H 0.268      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.439 5.358 0.000 5.548
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.780 -4.814 0.000
y -4.814 -34.509 0.000
z 0.000 0.000 -52.421
Traceless
 xyz
x 5.685 -4.814 0.000
y -4.814 10.591 0.000
z 0.000 0.000 -16.276
Polar
3z2-r2-32.553
x2-y2-3.271
xy-4.814
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.947 -0.028 0.000
y -0.028 11.749 0.000
z 0.000 0.000 9.029


<r2> (average value of r2) Å2
<r2> 208.993
(<r2>)1/2 14.457