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

using model chemistry: TPSSh/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 TPSSh/6-311G**
 hartrees
Energy at 0K-317.275013
Energy at 298.15K 
HF Energy-317.275013
Nuclear repulsion energy212.312346
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 TPSSh/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' 3504 3504 99.07 470.76 0.32 0.48
2 A' 2322 2322 6.60 221.53 0.12 0.21
3 A' 2147 2147 517.48 7.89 0.34 0.51
4 A' 1323 1323 4.61 41.32 0.21 0.34
5 A' 856 856 451.84 8.45 0.74 0.85
6 A' 654 654 2.22 15.37 0.10 0.18
7 A' 611 611 10.33 5.54 0.69 0.81
8 A' 590 590 0.54 0.11 0.54 0.70
9 A' 441 441 28.51 1.25 0.35 0.52
10 A' 176 176 6.15 0.20 0.69 0.82
11 A' 134 134 8.05 9.41 0.73 0.84
12 A" 2310 2310 24.17 179.29 0.75 0.86
13 A" 1214 1214 1.67 7.01 0.75 0.86
14 A" 735 735 87.48 1.31 0.75 0.86
15 A" 629 629 3.00 0.79 0.75 0.86
16 A" 419 419 8.40 5.69 0.75 0.86
17 A" 391 391 0.31 0.35 0.75 0.86
18 A" 131 131 0.00 10.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9292.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9292.5 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 TPSSh/6-311G**
ABC
0.09397 0.09388 0.04713

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.060 0.000
C2 -0.009 1.282 0.000
N3 0.140 2.475 0.000
C4 -0.009 -0.761 1.241
C5 -0.009 -0.761 -1.241
N6 -0.009 -1.332 2.250
N7 -0.009 -1.332 -2.250
H8 -0.644 3.126 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34142.53881.42521.42522.58512.58513.2485
C21.34141.20232.39012.39013.44903.44901.9507
N32.53881.20233.46883.46884.42474.42471.0194
C41.42522.39013.46882.48111.15993.53724.1297
C51.42522.39013.46882.48113.53721.15994.1297
N62.58513.44904.42471.15993.53724.50055.0341
N72.58513.44904.42473.53721.15994.50055.0341
H83.24851.95071.01944.12974.12975.03415.0341

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.893 C1 C4 N6 179.989
C1 C5 N7 179.989 C2 C1 C4 119.491
C2 C1 C5 119.491 C2 N3 H8 122.606
C4 C1 C5 121.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.022      
2 C 0.350      
3 N -0.387      
4 C 0.151      
5 C 0.151      
6 N -0.271      
7 N -0.271      
8 H 0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.362 5.283 0.000 5.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.989 -0.013 0.000
y -0.013 12.159 0.000
z 0.000 0.000 9.470


<r2> (average value of r2) Å2
<r2> 210.082
(<r2>)1/2 14.494