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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G**
 hartrees
Energy at 0K-316.918939
Energy at 298.15K 
HF Energy-316.918939
Nuclear repulsion energy213.139575
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 HSEh1PBE/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' 3565 3424 136.61 409.00 0.31 0.48
2 A' 2378 2284 9.50 216.27 0.12 0.21
3 A' 2193 2107 584.14 7.83 0.37 0.54
4 A' 1356 1302 2.94 41.76 0.21 0.35
5 A' 833 800 450.39 7.59 0.75 0.86
6 A' 665 639 2.94 14.05 0.10 0.18
7 A' 631 606 17.93 5.64 0.68 0.81
8 A' 599 576 0.51 0.12 0.43 0.60
9 A' 453 435 35.96 1.19 0.41 0.58
10 A' 177 170 6.35 0.22 0.71 0.83
11 A' 137 132 8.47 9.01 0.73 0.84
12 A" 2369 2275 28.68 173.93 0.75 0.86
13 A" 1247 1197 1.05 7.52 0.75 0.86
14 A" 740 711 89.51 0.83 0.75 0.86
15 A" 639 614 4.13 1.06 0.75 0.86
16 A" 431 414 8.83 5.70 0.75 0.86
17 A" 401 385 0.56 0.28 0.75 0.86
18 A" 133 128 0.00 10.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9474.3 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 9099.1 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 HSEh1PBE/6-311G**
ABC
0.09471 0.09454 0.04748

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 -0.060 0.000
C2 -0.005 1.276 0.000
N3 0.124 2.465 0.000
C4 -0.005 -0.759 1.238
C5 -0.005 -0.759 -1.238
N6 -0.005 -1.325 2.243
N7 -0.005 -1.325 -2.243
H8 -0.661 3.110 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33682.52871.42141.42142.57522.57523.2378
C21.33681.19562.38252.38253.43523.43521.9475
N32.52871.19563.45623.45624.40614.40611.0162
C41.42142.38253.45622.47541.15383.52664.1154
C51.42142.38253.45622.47543.52661.15384.1154
N62.57523.43524.40611.15383.52664.48655.0135
N72.57523.43524.40613.52661.15384.48655.0135
H83.23781.94751.01624.11544.11545.01355.0135

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.771 C1 C4 N6 179.907
C1 C5 N7 179.907 C2 C1 C4 119.457
C2 C1 C5 119.457 C2 N3 H8 123.200
C4 C1 C5 121.087
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.003      
2 C 0.346      
3 N -0.378      
4 C 0.127      
5 C 0.127      
6 N -0.243      
7 N -0.243      
8 H 0.261      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.396 5.360 0.000 5.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.841 -4.693 0.000
y -4.693 -34.305 0.000
z 0.000 0.000 -52.182
Traceless
 xyz
x 5.402 -4.693 0.000
y -4.693 10.706 0.000
z 0.000 0.000 -16.109
Polar
3z2-r2-32.217
x2-y2-3.536
xy-4.693
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.946 -0.029 0.000
y -0.029 11.878 0.000
z 0.000 0.000 9.207


<r2> (average value of r2) Å2
<r2> 208.772
(<r2>)1/2 14.449