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

using model chemistry: wB97X-D/CEP-31G*

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-31G*
 hartrees
Energy at 0K-52.796645
Energy at 298.15K 
HF Energy-52.796645
Nuclear repulsion energy100.166181
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-31G*
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 3599 122.75 324.38 0.31 0.48
2 A' 2386 2386 23.65 240.69 0.10 0.19
3 A' 2183 2183 664.52 8.65 0.35 0.52
4 A' 1364 1364 7.10 46.81 0.21 0.34
5 A' 859 859 475.07 12.96 0.71 0.83
6 A' 662 662 3.02 15.46 0.10 0.19
7 A' 576 576 0.99 0.14 0.42 0.59
8 A' 567 567 10.07 10.49 0.69 0.82
9 A' 435 435 31.57 1.46 0.25 0.40
10 A' 152 152 5.22 0.62 0.75 0.86
11 A' 131 131 7.80 9.38 0.73 0.84
12 A" 2381 2381 49.49 182.66 0.75 0.86
13 A" 1254 1254 4.04 9.85 0.75 0.86
14 A" 729 729 97.10 0.97 0.75 0.86
15 A" 622 622 2.93 0.68 0.75 0.86
16 A" 416 416 8.80 5.49 0.75 0.86
17 A" 381 381 0.05 0.45 0.75 0.86
18 A" 129 129 0.01 10.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9413.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9413.2 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-31G*
ABC
0.09172 0.09042 0.04570

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.064 0.000
C2 -0.009 1.299 0.000
N3 0.143 2.508 0.000
C4 -0.009 -0.775 1.265
C5 -0.009 -0.775 -1.265
N6 -0.009 -1.343 2.294
N7 -0.009 -1.343 -2.294
H8 -0.670 3.130 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.36242.57631.45131.45132.62632.62633.2615
C21.36241.21892.42892.42893.49853.49851.9471
N32.57631.21893.52133.52134.48504.48501.0239
C41.45132.42893.52132.53061.17503.60404.1574
C51.45132.42893.52132.53063.60401.17504.1574
N62.62633.49854.48501.17503.60404.58725.0702
N72.62633.49854.48503.60401.17504.58725.0702
H83.26151.94711.02394.15744.15745.07025.0702

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.846 C1 C4 N6 179.608
C1 C5 N7 179.608 C2 C1 C4 119.328
C2 C1 C5 119.328 C2 N3 H8 120.248
C4 C1 C5 121.344
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 C -0.266      
3 N 0.143      
4 C -0.503      
5 C -0.503      
6 N 0.416      
7 N 0.416      
8 H 0.374      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.510 5.285 0.000 5.497
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.645 -5.081 0.000
y -5.081 -34.525 0.000
z 0.000 0.000 -52.445
Traceless
 xyz
x 5.841 -5.081 0.000
y -5.081 10.520 0.000
z 0.000 0.000 -16.361
Polar
3z2-r2-32.721
x2-y2-3.119
xy-5.081
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.004 0.039 0.000
y 0.039 12.321 0.000
z 0.000 0.000 9.549


<r2> (average value of r2) Å2
<r2> 162.761
(<r2>)1/2 12.758