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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-317.114479
Energy at 298.15K 
HF Energy-317.114479
Nuclear repulsion energy209.990521
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' 3370 3342 36.80 595.97 0.32 0.48
2 A' 2251 2232 3.10 207.22 0.13 0.23
3 A' 2084 2068 413.16 9.94 0.25 0.40
4 A' 1283 1273 7.01 40.15 0.21 0.35
5 A' 878 871 432.46 13.36 0.71 0.83
6 A' 638 632 1.54 15.55 0.10 0.19
7 A' 594 590 7.08 5.24 0.72 0.84
8 A' 565 560 0.27 0.16 0.47 0.64
9 A' 407 404 19.48 1.15 0.35 0.51
10 A' 171 169 6.95 0.21 0.65 0.79
11 A' 129 128 7.53 10.00 0.73 0.84
12 A" 2235 2217 16.62 184.45 0.75 0.86
13 A" 1173 1164 1.52 6.44 0.75 0.86
14 A" 711 705 85.64 2.84 0.75 0.86
15 A" 599 594 1.55 0.64 0.75 0.86
16 A" 402 399 8.12 5.96 0.75 0.86
17 A" 366 363 0.22 0.31 0.75 0.86
18 A" 126 125 0.00 11.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8990.5 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 8917.7 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 BLYP/6-31G*
ABC
0.09221 0.09173 0.04615

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 -0.011 -0.060 0.000
C2 -0.011 1.296 0.000
N3 0.152 2.504 0.000
C4 -0.011 -0.768 1.250
C5 -0.011 -0.768 -1.250
N6 -0.011 -1.349 2.273
N7 -0.011 -1.349 -2.273
H8 -0.643 3.159 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35522.56841.43651.43652.61312.61313.2799
C21.35521.21912.41222.41223.48723.48721.9676
N32.56841.21913.50573.50574.47634.47631.0308
C41.43652.41223.50572.49991.17663.57044.1687
C51.43652.41223.50572.49993.57041.17664.1687
N62.61313.48724.47631.17663.57044.54545.0880
N72.61313.48724.47633.57041.17664.54545.0880
H83.27991.96761.03084.16874.16875.08805.0880

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.289 C1 C4 N6 179.899
C1 C5 N7 179.899 C2 C1 C4 119.528
C2 C1 C5 119.528 C2 N3 H8 121.754
C4 C1 C5 120.945
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 0.043      
2 C 0.439      
3 N -0.590      
4 C 0.330      
5 C 0.330      
6 N -0.453      
7 N -0.453      
8 H 0.355      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.367 5.048 0.000 5.230
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.326 -4.592 0.000
y -4.592 -34.275 0.000
z 0.000 0.000 -51.282
Traceless
 xyz
x 5.453 -4.592 0.000
y -4.592 10.029 0.000
z 0.000 0.000 -15.482
Polar
3z2-r2-30.964
x2-y2-3.051
xy-4.592
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.619 -0.052 0.000
y -0.052 12.348 0.000
z 0.000 0.000 9.449


<r2> (average value of r2) Å2
<r2> 213.731
(<r2>)1/2 14.620