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

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-317.022039
Energy at 298.15K 
HF Energy-317.022039
Nuclear repulsion energy209.161831
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 BLYP/6-31G
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' 3439 3413 63.14 650.56 0.32 0.49
2 A' 2200 2184 2.11 202.91 0.13 0.22
3 A' 2101 2085 409.12 14.18 0.27 0.42
4 A' 1273 1263 4.95 42.57 0.23 0.38
5 A' 773 767 570.27 15.87 0.58 0.73
6 A' 638 633 1.89 17.07 0.10 0.19
7 A' 629 624 3.27 7.00 0.75 0.86
8 A' 571 567 0.47 0.05 0.48 0.65
9 A' 397 394 13.77 0.76 0.43 0.60
10 A' 173 172 4.98 0.15 0.66 0.80
11 A' 133 132 6.33 11.35 0.73 0.85
12 A" 2185 2168 24.71 191.64 0.75 0.86
13 A" 1166 1157 1.56 4.86 0.75 0.86
14 A" 726 721 115.44 2.07 0.75 0.86
15 A" 606 602 2.20 0.48 0.75 0.86
16 A" 393 390 8.66 6.80 0.75 0.86
17 A" 359 356 0.27 0.32 0.75 0.86
18 A" 130 129 0.15 13.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8946.9 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 8878.9 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 BLYP/6-31G
ABC
0.09240 0.09026 0.04579

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.056 0.000
C2 -0.014 1.305 0.000
N3 0.151 2.514 0.000
C4 -0.014 -0.768 1.246
C5 -0.014 -0.768 -1.246
N6 -0.014 -1.367 2.273
N7 -0.014 -1.367 -2.273
H8 -0.540 3.273 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.36092.57511.43531.43532.62372.62373.3706
C21.36091.22012.41852.41853.50773.50772.0376
N32.57511.22013.51423.51424.50044.50041.0265
C41.43532.41853.51422.49261.18843.56954.2615
C51.43532.41853.51422.49263.56951.18844.2615
N62.62373.50774.50041.18843.56954.54515.1938
N72.62373.50774.50043.56951.18844.54515.1938
H83.37062.03761.02654.26154.26155.19385.1938

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.266 C1 C4 N6 179.446
C1 C5 N7 179.446 C2 C1 C4 119.733
C2 C1 C5 119.733 C2 N3 H8 129.983
C4 C1 C5 120.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.099      
2 C 0.277      
3 N -0.423      
4 C 0.066      
5 C 0.066      
6 N -0.211      
7 N -0.211      
8 H 0.338      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.428 5.616 0.000 5.794
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.975 -4.798 0.000
y -4.798 -33.218 0.000
z 0.000 0.000 -52.441
Traceless
 xyz
x 4.854 -4.798 0.000
y -4.798 11.990 0.000
z 0.000 0.000 -16.844
Polar
3z2-r2-33.688
x2-y2-4.757
xy-4.798
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.221 0.085 0.000
y 0.085 12.544 0.000
z 0.000 0.000 9.344


<r2> (average value of r2) Å2
<r2> 215.566
(<r2>)1/2 14.682