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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-311G*
 hartrees
Energy at 0K-316.897392
Energy at 298.15K 
HF Energy-316.897392
Nuclear repulsion energy211.403422
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 PBEPBEultrafine/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' 3439 3403 55.18 546.07 0.32 0.49
2 A' 2262 2239 3.87 227.39 0.12 0.21
3 A' 2115 2093 450.79 7.85 0.31 0.48
4 A' 1298 1284 5.37 38.23 0.21 0.34
5 A' 856 847 453.78 8.67 0.74 0.85
6 A' 645 639 2.08 16.86 0.10 0.18
7 A' 600 593 7.31 4.28 0.69 0.82
8 A' 574 568 0.46 0.19 0.57 0.73
9 A' 427 422 23.28 1.00 0.33 0.49
10 A' 171 169 5.45 0.19 0.68 0.81
11 A' 131 129 7.36 9.57 0.73 0.84
12 A" 2249 2226 20.05 185.36 0.75 0.86
13 A" 1194 1182 0.69 5.94 0.75 0.86
14 A" 714 707 91.30 1.55 0.75 0.86
15 A" 610 604 2.57 0.53 0.75 0.86
16 A" 408 404 8.93 4.91 0.75 0.86
17 A" 379 375 0.25 0.37 0.75 0.86
18 A" 127 125 0.03 10.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9099.5 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 9004.9 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 PBEPBEultrafine/6-311G*
ABC
0.09337 0.09304 0.04677

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.061 0.000
C2 -0.011 1.287 0.000
N3 0.148 2.485 0.000
C4 -0.011 -0.763 1.242
C5 -0.011 -0.763 -1.242
N6 -0.011 -1.339 2.259
N7 -0.011 -1.339 -2.259
H8 -0.628 3.155 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34792.55091.42661.42662.59522.59523.2748
C21.34791.20852.39692.39693.46363.46361.9674
N32.55091.20853.48103.48104.44394.44391.0252
C41.42662.39693.48102.48371.16863.54774.1565
C51.42662.39693.48102.48373.54771.16864.1565
N62.59523.46364.44391.16863.54774.51785.0674
N72.59523.46364.44393.54771.16864.51785.0674
H83.27481.96741.02524.15654.15655.06745.0674

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.438 C1 C4 N6 179.979
C1 C5 N7 179.979 C2 C1 C4 119.484
C2 C1 C5 119.484 C2 N3 H8 123.268
C4 C1 C5 121.032
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.014      
2 C 0.377      
3 N -0.497      
4 C 0.095      
5 C 0.095      
6 N -0.207      
7 N -0.207      
8 H 0.357      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.372 5.278 0.000 5.453
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.027 -4.656 0.000
y -4.656 -33.976 0.000
z 0.000 0.000 -51.805
Traceless
 xyz
x 4.863 -4.656 0.000
y -4.656 10.940 0.000
z 0.000 0.000 -15.803
Polar
3z2-r2-31.606
x2-y2-4.051
xy-4.656
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.012 0.013 0.000
y 0.013 12.458 0.000
z 0.000 0.000 9.750


<r2> (average value of r2) Å2
<r2> 211.488
(<r2>)1/2 14.543