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

using model chemistry: wB97X-D/SDD

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/SDD
 hartrees
Energy at 0K-316.987055
Energy at 298.15K 
HF Energy-316.987055
Nuclear repulsion energy210.494665
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/SDD
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' 3721 3721 267.50 317.74 0.31 0.47
2 A' 2317 2317 15.67 241.11 0.10 0.17
3 A' 2209 2209 700.77 14.35 0.43 0.60
4 A' 1350 1350 1.42 49.69 0.23 0.37
5 A' 664 664 47.90 20.70 0.45 0.63
6 A' 657 657 5.22 13.96 0.17 0.30
7 A' 608 608 49.88 0.96 0.47 0.64
8 A' 593 593 560.13 7.71 0.40 0.58
9 A' 454 454 74.50 1.09 0.73 0.85
10 A' 183 183 3.46 0.35 0.75 0.86
11 A' 140 140 6.11 11.34 0.73 0.85
12 A" 2315 2315 47.06 203.28 0.75 0.86
13 A" 1245 1245 2.72 7.71 0.75 0.86
14 A" 778 778 134.89 0.29 0.75 0.86
15 A" 642 642 5.90 1.19 0.75 0.86
16 A" 439 439 7.95 7.59 0.75 0.86
17 A" 406 406 0.48 0.32 0.75 0.86
18 A" 136 136 0.36 12.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9428.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9428.6 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/SDD
ABC
0.09297 0.09177 0.04629

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.058 0.000
C2 -0.010 1.293 0.000
N3 0.123 2.492 0.000
C4 -0.010 -0.767 1.244
C5 -0.010 -0.767 -1.244
N6 -0.010 -1.353 2.266
N7 -0.010 -1.353 -2.266
H8 -0.501 3.289 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35142.55351.43201.43202.60942.60943.3826
C21.35141.20602.40702.40703.48343.48342.0550
N32.55351.20603.49123.49124.46454.46451.0122
C41.43202.40703.49122.48821.17733.55814.2708
C51.43202.40703.49122.48823.55811.17734.2708
N62.60943.48344.46451.17733.55814.53125.1881
N72.60943.48344.46453.55811.17734.53125.1881
H83.38262.05501.01224.27084.27085.18815.1881

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.674 C1 C4 N6 179.873
C1 C5 N7 179.873 C2 C1 C4 119.687
C2 C1 C5 119.687 C2 N3 H8 135.585
C4 C1 C5 120.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.154      
2 C 0.110      
3 N -0.254      
4 C -0.187      
5 C -0.187      
6 N -0.002      
7 N -0.002      
8 H 0.366      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.444 6.216 0.000 6.381
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.690 -4.902 0.000
y -4.902 -32.308 0.000
z 0.000 0.000 -53.739
Traceless
 xyz
x 4.334 -4.902 0.000
y -4.902 13.907 0.000
z 0.000 0.000 -18.241
Polar
3z2-r2-36.481
x2-y2-6.382
xy-4.902
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.531 0.233 0.000
y 0.233 12.321 0.000
z 0.000 0.000 9.068


<r2> (average value of r2) Å2
<r2> 213.784
(<r2>)1/2 14.621