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

using model chemistry: wB97X-D/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-52.709023
Energy at 298.15K 
HF Energy-52.709023
Nuclear repulsion energy100.407527
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/CEP-121G
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' 3646 3646 209.15 347.55 0.31 0.47
2 A' 2271 2271 16.46 250.21 0.10 0.18
3 A' 2161 2161 686.78 15.22 0.38 0.55
4 A' 1330 1330 1.98 49.65 0.22 0.35
5 A' 654 654 207.80 25.51 0.37 0.54
6 A' 646 646 26.82 15.25 0.21 0.35
7 A' 630 630 482.52 3.50 0.58 0.73
8 A' 593 593 1.51 0.05 0.43 0.60
9 A' 449 449 35.41 0.90 0.55 0.71
10 A' 180 180 4.37 0.31 0.75 0.86
11 A' 139 139 6.72 11.14 0.73 0.84
12 A" 2269 2269 50.49 204.26 0.75 0.86
13 A" 1229 1229 2.39 7.50 0.75 0.86
14 A" 764 764 138.74 0.30 0.75 0.86
15 A" 634 634 4.64 0.96 0.75 0.86
16 A" 421 421 8.68 7.52 0.75 0.86
17 A" 393 393 0.25 0.39 0.75 0.86
18 A" 137 137 0.20 12.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9272.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9272.9 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 wB97X-D/CEP-121G
ABC
0.09192 0.09141 0.04595

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.060 0.000
C2 -0.012 1.297 0.000
N3 0.135 2.498 0.000
C4 -0.012 -0.771 1.252
C5 -0.012 -0.771 -1.252
N6 -0.012 -1.353 2.278
N7 -0.012 -1.353 -2.278
H8 -0.510 3.280 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35722.56211.44021.44022.61922.61923.3771
C21.35721.20972.41822.41823.49453.49452.0446
N32.56211.20973.50413.50414.47654.47651.0140
C41.44022.41823.50412.50451.17893.57764.2699
C51.44022.41823.50412.50453.57761.17894.2699
N62.61923.49454.47651.17893.57764.55565.1867
N72.61923.49454.47653.57761.17894.55565.1867
H83.37712.04461.01404.26994.26995.18675.1867

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.030 C1 C4 N6 179.946
C1 C5 N7 179.946 C2 C1 C4 119.604
C2 C1 C5 119.604 C2 N3 H8 133.511
C4 C1 C5 120.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.267      
2 C -0.235      
3 N 0.056      
4 C -0.467      
5 C -0.467      
6 N 0.243      
7 N 0.243      
8 H 0.361      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.495 6.127 0.000 6.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.646 -5.068 0.000
y -5.068 -32.679 0.000
z 0.000 0.000 -53.993
Traceless
 xyz
x 4.690 -5.068 0.000
y -5.068 13.641 0.000
z 0.000 0.000 -18.331
Polar
3z2-r2-36.662
x2-y2-5.968
xy-5.068
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.890 0.221 0.000
y 0.221 12.596 0.000
z 0.000 0.000 9.398


<r2> (average value of r2) Å2
<r2> 162.643
(<r2>)1/2 12.753