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

using model chemistry: HSEh1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-312.791112
Energy at 298.15K 
HF Energy-312.791112
Nuclear repulsion energy207.465168
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/STO-3G
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' 3544 3130 40.73 338.14 0.32 0.49
2 A' 2404 2123 2.91 122.04 0.11 0.20
3 A' 2214 1955 181.90 8.40 0.16 0.28
4 A' 1359 1200 0.67 32.59 0.22 0.36
5 A' 988 873 371.44 22.56 0.66 0.80
6 A' 670 592 0.32 8.07 0.09 0.17
7 A' 624 551 8.05 6.62 0.71 0.83
8 A' 599 529 0.04 0.05 0.48 0.65
9 A' 409 361 14.96 1.67 0.40 0.57
10 A' 178 157 5.80 0.35 0.68 0.81
11 A' 134 119 4.62 5.80 0.72 0.84
12 A" 2392 2112 11.73 108.07 0.75 0.86
13 A" 1235 1090 0.20 6.34 0.75 0.86
14 A" 779 688 71.95 5.95 0.75 0.86
15 A" 624 551 0.05 0.40 0.75 0.86
16 A" 400 353 6.58 2.66 0.75 0.86
17 A" 387 341 0.90 1.14 0.75 0.86
18 A" 130 115 0.01 7.84 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9534.2 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 8419.6 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 HSEh1PBE/STO-3G
ABC
0.09079 0.08921 0.04520

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.021 -0.043 0.000
C2 -0.021 1.308 0.000
N3 0.206 2.537 0.000
C4 -0.021 -0.772 1.257
C5 -0.021 -0.772 -1.257
N6 -0.021 -1.375 2.290
N7 -0.021 -1.375 -2.290
H8 -0.656 3.167 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35082.59011.45291.45292.64942.64943.2724
C21.35081.25012.42972.42973.52743.52741.9649
N32.59011.25013.54653.54654.53894.53891.0681
C41.45292.42973.54652.51431.19653.59844.1828
C51.45292.42973.54652.51433.59841.19654.1828
N62.64943.52744.53891.19653.59844.58045.1264
N72.64943.52744.53893.59841.19654.58045.1264
H83.27241.96491.06814.18284.18285.12645.1264

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 169.535 C1 C4 N6 179.787
C1 C5 N7 179.787 C2 C1 C4 120.087
C2 C1 C5 120.087 C2 N3 H8 115.678
C4 C1 C5 119.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.051      
2 C 0.185      
3 N -0.231      
4 C 0.079      
5 C 0.079      
6 N -0.154      
7 N -0.154      
8 H 0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.440 4.233 0.000 4.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.621 -4.635 0.000
y -4.635 -33.075 0.000
z 0.000 0.000 -46.695
Traceless
 xyz
x 5.264 -4.635 0.000
y -4.635 7.583 0.000
z 0.000 0.000 -12.847
Polar
3z2-r2-25.694
x2-y2-1.546
xy-4.635
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.465 -0.147 0.000
y -0.147 8.838 0.000
z 0.000 0.000 5.682


<r2> (average value of r2) Å2
<r2> 215.928
(<r2>)1/2 14.695