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

using model chemistry: PBEPBEultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/Def2TZVPP
 hartrees
Energy at 0K-316.942998
Energy at 298.15K 
HF Energy-316.942998
Nuclear repulsion energy211.659167
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 PBEPBEultrafine/Def2TZVPP
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' 3438 3438 89.84 510.36 0.31 0.47
2 A' 2258 2258 3.53 261.76 0.11 0.20
3 A' 2107 2107 478.75 8.37 0.31 0.48
4 A' 1296 1296 3.50 40.13 0.19 0.31
5 A' 833 833 422.22 6.52 0.64 0.78
6 A' 645 645 1.95 19.75 0.07 0.13
7 A' 589 589 6.00 2.83 0.63 0.77
8 A' 572 572 0.53 0.51 0.63 0.78
9 A' 426 426 22.71 1.10 0.29 0.45
10 A' 171 171 6.36 0.16 0.64 0.78
11 A' 130 130 8.20 9.07 0.73 0.84
12 A" 2244 2244 22.56 196.38 0.75 0.86
13 A" 1191 1191 0.54 7.67 0.75 0.86
14 A" 708 708 75.72 1.17 0.75 0.86
15 A" 610 610 3.79 0.39 0.75 0.86
16 A" 403 403 7.42 3.27 0.75 0.86
17 A" 379 379 0.37 0.32 0.75 0.86
18 A" 126 126 0.01 10.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9063.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9063.0 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 PBEPBEultrafine/Def2TZVPP
ABC
0.09348 0.09333 0.04687

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.061 0.000
C2 -0.010 1.285 0.000
N3 0.146 2.481 0.000
C4 -0.010 -0.763 1.242
C5 -0.010 -0.763 -1.242
N6 -0.010 -1.336 2.257
N7 -0.010 -1.336 -2.257
H8 -0.628 3.151 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34652.54711.42631.42632.59242.59243.2709
C21.34651.20602.39512.39513.45933.45931.9652
N32.54711.20603.47693.47694.43744.43741.0240
C41.42632.39513.47692.48371.16613.54584.1520
C51.42632.39513.47692.48373.54581.16614.1520
N62.59243.45934.43741.16613.54584.51445.0606
N72.59243.45934.43743.54581.16614.51445.0606
H83.27091.96521.02404.15204.15205.06065.0606

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.533 C1 C4 N6 179.997
C1 C5 N7 179.997 C2 C1 C4 119.461
C2 C1 C5 119.461 C2 N3 H8 123.383
C4 C1 C5 121.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.321      
2 C 0.002      
3 N -0.078      
4 C -0.308      
5 C -0.308      
6 N 0.070      
7 N 0.070      
8 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.227 5.303 0.000 5.443
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.174 -4.300 0.000
y -4.300 -34.546 0.000
z 0.000 0.000 -52.647
Traceless
 xyz
x 5.423 -4.300 0.000
y -4.300 10.864 0.000
z 0.000 0.000 -16.287
Polar
3z2-r2-32.575
x2-y2-3.628
xy-4.300
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.176 0.028 0.000
y 0.028 13.334 0.000
z 0.000 0.000 10.732


<r2> (average value of r2) Å2
<r2> 211.411
(<r2>)1/2 14.540