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

using model chemistry: wB97X-D/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-52.826584
Energy at 298.15K 
HF Energy-52.826584
Nuclear repulsion energy101.166916
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/CEP-121G*
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' 3576 3576 116.19 339.02 0.31 0.48
2 A' 2339 2339 16.66 237.45 0.10 0.19
3 A' 2142 2142 645.99 9.58 0.26 0.41
4 A' 1339 1339 4.48 45.61 0.19 0.33
5 A' 858 858 489.84 9.38 0.73 0.84
6 A' 650 650 2.59 15.82 0.09 0.16
7 A' 595 595 10.97 7.63 0.68 0.81
8 A' 581 581 1.24 0.10 0.59 0.74
9 A' 440 440 35.85 1.27 0.32 0.49
10 A' 170 170 6.65 0.31 0.73 0.84
11 A' 134 134 8.31 9.41 0.73 0.84
12 A" 2332 2332 40.60 179.07 0.75 0.86
13 A" 1227 1227 2.97 9.41 0.75 0.86
14 A" 740 740 98.71 0.76 0.75 0.86
15 A" 629 629 3.27 0.99 0.75 0.86
16 A" 414 414 8.55 6.18 0.75 0.86
17 A" 384 384 0.12 0.40 0.75 0.86
18 A" 133 133 0.01 10.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9341.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9341.7 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/CEP-121G*
ABC
0.09341 0.09237 0.04661

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.060 0.000
C2 -0.008 1.285 0.000
N3 0.138 2.484 0.000
C4 -0.008 -0.768 1.254
C5 -0.008 -0.768 -1.254
N6 -0.008 -1.332 2.268
N7 -0.008 -1.332 -2.268
H8 -0.664 3.114 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34542.54831.44031.44032.60032.60033.2414
C21.34541.20762.40612.40613.46313.46311.9430
N32.54831.20763.48873.48874.44144.44141.0197
C41.44032.40613.48872.50851.16013.56734.1323
C51.44032.40613.48872.50853.56731.16014.1323
N62.60033.46314.44141.16013.56734.53645.0340
N72.60033.46314.44143.56731.16014.53645.0340
H83.24141.94301.01974.13234.13235.03405.0340

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.071 C1 C4 N6 179.623
C1 C5 N7 179.623 C2 C1 C4 119.444
C2 C1 C5 119.444 C2 N3 H8 121.241
C4 C1 C5 121.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.107      
2 C -0.020      
3 N -0.142      
4 C -0.189      
5 C -0.189      
6 N 0.025      
7 N 0.025      
8 H 0.383      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.496 5.331 0.000 5.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.665 -5.029 0.000
y -5.029 -34.333 0.000
z 0.000 0.000 -52.275
Traceless
 xyz
x 5.640 -5.029 0.000
y -5.029 10.636 0.000
z 0.000 0.000 -16.276
Polar
3z2-r2-32.552
x2-y2-3.331
xy-5.029
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.256 0.043 0.000
y 0.043 12.190 0.000
z 0.000 0.000 9.451


<r2> (average value of r2) Å2
<r2> 160.071
(<r2>)1/2 12.652