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

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-317.203211
Energy at 298.15K 
HF Energy-317.203211
Nuclear repulsion energy211.040867
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/6-311G*
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' 3398 3389 41.57 600.20 0.32 0.49
2 A' 2244 2239 3.09 227.11 0.12 0.21
3 A' 2082 2077 441.77 9.00 0.27 0.42
4 A' 1278 1275 6.19 40.34 0.20 0.34
5 A' 873 871 456.56 9.63 0.73 0.84
6 A' 636 634 1.82 16.36 0.10 0.18
7 A' 599 597 6.54 4.61 0.69 0.82
8 A' 573 571 0.36 0.19 0.63 0.78
9 A' 423 422 21.15 1.08 0.32 0.49
10 A' 173 173 5.88 0.22 0.67 0.80
11 A' 133 132 7.48 9.50 0.73 0.84
12 A" 2229 2224 18.74 186.64 0.75 0.86
13 A" 1169 1166 1.25 6.90 0.75 0.86
14 A" 716 714 89.83 1.87 0.75 0.86
15 A" 611 609 2.42 0.58 0.75 0.86
16 A" 406 405 8.44 4.96 0.75 0.86
17 A" 378 377 0.24 0.31 0.75 0.86
18 A" 130 129 0.01 11.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9024.9 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 9002.3 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/6-311G*
ABC
0.09316 0.09252 0.04658

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.059 0.000
C2 -0.011 1.291 0.000
N3 0.149 2.491 0.000
C4 -0.011 -0.765 1.245
C5 -0.011 -0.765 -1.245
N6 -0.011 -1.343 2.260
N7 -0.011 -1.343 -2.260
H8 -0.629 3.161 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35002.55451.43211.43212.59992.59993.2782
C21.35001.21012.40462.40463.47143.47141.9689
N32.55451.21013.49013.49014.45384.45381.0266
C41.43212.40463.49012.49101.16783.55314.1653
C51.43212.40463.49012.49103.55311.16784.1653
N62.59993.47144.45381.16783.55314.52065.0773
N72.59993.47144.45383.55311.16784.52065.0773
H83.27821.96891.02664.16534.16535.07735.0773

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.399 C1 C4 N6 179.916
C1 C5 N7 179.916 C2 C1 C4 119.576
C2 C1 C5 119.576 C2 N3 H8 123.142
C4 C1 C5 120.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.011      
2 C 0.339      
3 N -0.453      
4 C 0.055      
5 C 0.055      
6 N -0.166      
7 N -0.166      
8 H 0.347      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.368 5.237 0.000 5.412
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.119 -4.644 0.000
y -4.644 -34.529 0.000
z 0.000 0.000 -52.171
Traceless
 xyz
x 5.231 -4.644 0.000
y -4.644 10.616 0.000
z 0.000 0.000 -15.847
Polar
3z2-r2-31.693
x2-y2-3.590
xy-4.644
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.016 -0.010 0.000
y -0.010 12.542 0.000
z 0.000 0.000 9.698


<r2> (average value of r2) Å2
<r2> 212.428
(<r2>)1/2 14.575