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

using model chemistry: B3LYPultrafine/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-317.297778
Energy at 298.15K 
HF Energy-317.297778
Nuclear repulsion energy213.066877
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 B3LYPultrafine/6-311+G(3df,2p)
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' 3527 3527 133.83 408.32 0.30 0.46
2 A' 2345 2345 8.09 288.27 0.09 0.16
3 A' 2152 2152 606.76 9.47 0.33 0.50
4 A' 1333 1333 2.13 45.41 0.18 0.30
5 A' 837 837 453.58 7.99 0.45 0.62
6 A' 655 655 2.40 18.64 0.06 0.11
7 A' 610 610 12.16 3.48 0.60 0.75
8 A' 591 591 0.32 0.51 0.61 0.76
9 A' 447 447 28.89 1.29 0.26 0.42
10 A' 177 177 7.73 0.20 0.65 0.79
11 A' 137 137 9.75 7.91 0.72 0.84
12 A" 2332 2332 33.63 195.34 0.75 0.86
13 A" 1215 1215 1.19 11.50 0.75 0.86
14 A" 738 738 78.03 0.70 0.75 0.86
15 A" 633 633 4.46 0.75 0.75 0.86
16 A" 417 417 7.17 2.70 0.75 0.86
17 A" 392 392 0.64 0.15 0.75 0.86
18 A" 135 135 0.01 8.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9336.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9336.6 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 B3LYPultrafine/6-311+G(3df,2p)
ABC
0.09455 0.09449 0.04742

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.007 -0.058 0.000
C2 -0.007 1.278 0.000
N3 0.129 2.466 0.000
C4 -0.007 -0.761 1.239
C5 -0.007 -0.761 -1.239
N6 -0.007 -1.327 2.242
N7 -0.007 -1.327 -2.242
H8 -0.641 3.128 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33672.52771.42461.42462.57652.57653.2493
C21.33671.19502.38622.38623.43763.43761.9558
N32.52771.19503.45893.45894.40824.40821.0161
C41.42462.38623.45892.47871.15193.52764.1309
C51.42462.38623.45892.47873.52761.15194.1309
N62.57653.43764.40821.15193.52764.48495.0282
N72.57653.43764.40823.52761.15194.48495.0282
H83.24931.95581.01614.13094.13095.02825.0282

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.477 C1 C4 N6 179.906
C1 C5 N7 179.906 C2 C1 C4 119.542
C2 C1 C5 119.542 C2 N3 H8 124.188
C4 C1 C5 120.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.989      
2 C 0.594      
3 N -0.963      
4 C 0.570      
5 C 0.570      
6 N -1.007      
7 N -1.007      
8 H 0.253      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.263 5.377 0.000 5.523
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.272 -4.424 0.000
y -4.424 -35.184 0.000
z 0.000 0.000 -53.560
Traceless
 xyz
x 6.100 -4.424 0.000
y -4.424 10.732 0.000
z 0.000 0.000 -16.832
Polar
3z2-r2-33.664
x2-y2-3.088
xy-4.424
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.711 0.030 0.000
y 0.030 13.373 0.000
z 0.000 0.000 10.671


<r2> (average value of r2) Å2
<r2> 209.576
(<r2>)1/2 14.477