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

using model chemistry: B3LYP/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 B3LYP/6-311G*
 hartrees
Energy at 0K-317.265007
Energy at 298.15K 
HF Energy-317.265007
Nuclear repulsion energy212.682074
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 B3LYP/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' 3528 3409 85.51 463.60 0.32 0.48
2 A' 2350 2271 7.65 216.01 0.12 0.21
3 A' 2158 2085 555.24 8.44 0.31 0.47
4 A' 1334 1289 4.19 43.17 0.21 0.34
5 A' 865 836 490.76 8.61 0.75 0.86
6 A' 656 634 2.52 13.98 0.10 0.18
7 A' 628 607 12.96 5.72 0.68 0.81
8 A' 595 575 0.34 0.11 0.49 0.66
9 A' 448 433 30.12 1.17 0.40 0.57
10 A' 178 172 6.66 0.25 0.71 0.83
11 A' 138 133 8.39 9.03 0.73 0.84
12 A" 2338 2259 25.98 175.43 0.75 0.86
13 A" 1220 1179 1.47 8.15 0.75 0.86
14 A" 744 719 96.44 1.09 0.75 0.86
15 A" 636 614 3.40 1.06 0.75 0.86
16 A" 426 412 8.90 5.56 0.75 0.86
17 A" 396 383 0.43 0.23 0.75 0.86
18 A" 135 131 0.00 10.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9386.2 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 9069.9 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 B3LYP/6-311G*
ABC
0.09429 0.09411 0.04726

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.007 -0.058 0.000
C2 -0.007 1.281 0.000
N3 0.130 2.471 0.000
C4 -0.007 -0.762 1.240
C5 -0.007 -0.762 -1.240
N6 -0.007 -1.330 2.246
N7 -0.007 -1.330 -2.246
H8 -0.646 3.129 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33922.53331.42591.42592.58082.58083.2506
C21.33921.19832.38972.38973.44383.44381.9553
N32.53331.19833.46553.46554.41724.41721.0174
C41.42592.38973.46552.48081.15493.53224.1332
C51.42592.38973.46552.48083.53221.15494.1332
N62.58083.44384.41721.15493.53224.49165.0332
N72.58083.44384.41723.53221.15494.49165.0332
H83.25061.95531.01744.13324.13325.03325.0332

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.413 C1 C4 N6 179.921
C1 C5 N7 179.921 C2 C1 C4 119.555
C2 C1 C5 119.555 C2 N3 H8 123.682
C4 C1 C5 120.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.007      
2 C 0.379      
3 N -0.504      
4 C 0.086      
5 C 0.086      
6 N -0.202      
7 N -0.202      
8 H 0.363      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.436 5.342 0.000 5.532
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.974 -4.815 0.000
y -4.815 -34.556 0.000
z 0.000 0.000 -52.445
Traceless
 xyz
x 5.526 -4.815 0.000
y -4.815 10.654 0.000
z 0.000 0.000 -16.180
Polar
3z2-r2-32.360
x2-y2-3.418
xy-4.815
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.928 -0.019 0.000
y -0.019 12.017 0.000
z 0.000 0.000 9.203


<r2> (average value of r2) Å2
<r2> 209.761
(<r2>)1/2 14.483