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

using model chemistry: wB97X-D/6-31G*

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/6-31G*
 hartrees
Energy at 0K-317.059168
Energy at 298.15K 
HF Energy-317.059168
Nuclear repulsion energy212.159946
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*
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' 3597 3412 127.07 352.65 0.31 0.48
2 A' 2399 2275 13.13 184.92 0.13 0.22
3 A' 2195 2082 615.45 9.06 0.34 0.50
4 A' 1368 1298 3.10 44.56 0.23 0.37
5 A' 854 810 492.74 10.18 0.75 0.86
6 A' 664 630 2.69 11.80 0.11 0.20
7 A' 633 600 19.41 7.36 0.71 0.83
8 A' 593 562 0.29 0.10 0.46 0.63
9 A' 444 421 37.06 1.28 0.47 0.64
10 A' 174 165 7.85 0.24 0.72 0.84
11 A' 135 128 8.95 9.37 0.73 0.84
12 A" 2391 2268 27.01 163.14 0.75 0.86
13 A" 1248 1184 1.65 7.79 0.75 0.86
14 A" 751 712 100.47 0.97 0.75 0.86
15 A" 633 601 2.88 1.47 0.75 0.86
16 A" 426 404 8.97 7.25 0.75 0.86
17 A" 389 369 0.44 0.24 0.75 0.86
18 A" 131 125 0.02 10.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9512.0 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 9022.1 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*
ABC
0.09417 0.09331 0.04704

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 -0.061 0.000
C2 -0.005 1.278 0.000
N3 0.122 2.475 0.000
C4 -0.005 -0.763 1.245
C5 -0.005 -0.763 -1.245
N6 -0.005 -1.327 2.258
N7 -0.005 -1.327 -2.258
H8 -0.674 3.108 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33902.53851.43001.43002.58892.58893.2388
C21.33901.20302.39162.39163.44773.44771.9484
N32.53851.20303.47173.47174.42354.42351.0172
C41.43002.39163.47172.49071.15903.54854.1218
C51.43002.39163.47172.49073.54851.15904.1218
N62.58893.44774.42351.15903.54854.51635.0218
N72.58893.44774.42353.54851.15904.51635.0218
H83.23881.94841.01724.12184.12185.02185.0218

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.940 C1 C4 N6 179.651
C1 C5 N7 179.651 C2 C1 C4 119.438
C2 C1 C5 119.438 C2 N3 H8 122.471
C4 C1 C5 121.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.042      
2 C 0.486      
3 N -0.640      
4 C 0.341      
5 C 0.341      
6 N -0.443      
7 N -0.443      
8 H 0.400      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.508 5.255 0.000 5.467
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.267 -4.982 0.000
y -4.982 -34.195 0.000
z 0.000 0.000 -51.886
Traceless
 xyz
x 5.773 -4.982 0.000
y -4.982 10.382 0.000
z 0.000 0.000 -16.155
Polar
3z2-r2-32.310
x2-y2-3.072
xy-4.982
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.535 -0.029 0.000
y -0.029 11.566 0.000
z 0.000 0.000 8.754


<r2> (average value of r2) Å2
<r2> 210.240
(<r2>)1/2 14.500