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

using model chemistry: wB97X-D/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-317.081425
Energy at 298.15K 
HF Energy-317.081425
Nuclear repulsion energy212.895011
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/6-31G(2df,p)
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' 3608 3608 155.08 324.46 0.31 0.47
2 A' 2392 2392 12.32 194.12 0.11 0.20
3 A' 2191 2191 616.89 7.41 0.38 0.55
4 A' 1358 1358 1.15 41.73 0.22 0.36
5 A' 834 834 454.63 7.54 0.72 0.84
6 A' 662 662 1.96 12.99 0.09 0.16
7 A' 638 638 22.68 4.71 0.67 0.80
8 A' 595 595 0.14 0.13 0.52 0.69
9 A' 461 461 40.54 1.35 0.45 0.62
10 A' 179 179 8.38 0.26 0.72 0.83
11 A' 137 137 9.69 8.04 0.73 0.84
12 A" 2384 2384 28.94 155.32 0.75 0.86
13 A" 1238 1238 1.26 7.86 0.75 0.86
14 A" 751 751 84.48 0.84 0.75 0.86
15 A" 637 637 3.66 1.02 0.75 0.86
16 A" 436 436 7.87 4.33 0.75 0.86
17 A" 400 400 0.60 0.18 0.75 0.86
18 A" 133 133 0.05 9.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9516.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9516.7 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/6-31G(2df,p)
ABC
0.09492 0.09381 0.04735

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 -0.061 0.000
C2 -0.004 1.274 0.000
N3 0.119 2.465 0.000
C4 -0.004 -0.761 1.243
C5 -0.004 -0.761 -1.243
N6 -0.004 -1.321 2.252
N7 -0.004 -1.321 -2.252
H8 -0.672 3.100 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33452.52861.42671.42672.58032.58033.2308
C21.33451.19752.38432.38433.43553.43551.9449
N32.52861.19753.45923.45924.40664.40661.0148
C41.42672.38433.45922.48631.15363.53944.1109
C51.42672.38433.45922.48633.53941.15364.1109
N62.58033.43554.40661.15363.53944.50325.0064
N72.58033.43554.40663.53941.15364.50325.0064
H83.23081.94491.01484.11094.11095.00645.0064

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.100 C1 C4 N6 179.669
C1 C5 N7 179.669 C2 C1 C4 119.385
C2 C1 C5 119.385 C2 N3 H8 122.866
C4 C1 C5 121.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.203      
2 C 0.457      
3 N -0.499      
4 C 0.271      
5 C 0.271      
6 N -0.319      
7 N -0.319      
8 H 0.342      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.356 5.228 0.000 5.402
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.987 -4.578 0.000
y -4.578 -34.073 0.000
z 0.000 0.000 -51.842
Traceless
 xyz
x 5.970 -4.578 0.000
y -4.578 10.341 0.000
z 0.000 0.000 -16.312
Polar
3z2-r2-32.623
x2-y2-2.914
xy-4.578
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.192 -0.056 0.000
y -0.056 11.798 0.000
z 0.000 0.000 9.130


<r2> (average value of r2) Å2
<r2> 208.938
(<r2>)1/2 14.455