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

using model chemistry: B3LYPultrafine/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-317.203760
Energy at 298.15K 
HF Energy-317.203760
Nuclear repulsion energy212.533521
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/6-31G(2df,p)
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' 3531 3407 110.83 433.54 0.31 0.48
2 A' 2355 2273 7.24 206.48 0.11 0.20
3 A' 2165 2089 527.75 7.94 0.31 0.48
4 A' 1332 1286 2.05 41.47 0.21 0.35
5 A' 847 817 450.18 8.26 0.69 0.82
6 A' 657 634 1.89 14.30 0.09 0.16
7 A' 634 612 13.56 4.03 0.69 0.81
8 A' 589 569 0.11 0.25 0.52 0.68
9 A' 453 437 30.45 1.29 0.42 0.60
10 A' 182 176 8.25 0.25 0.69 0.82
11 A' 136 132 9.17 8.15 0.73 0.84
12 A" 2343 2261 25.53 165.82 0.75 0.86
13 A" 1216 1174 1.20 7.81 0.75 0.86
14 A" 742 716 80.72 1.50 0.75 0.86
15 A" 630 608 3.01 0.78 0.75 0.86
16 A" 432 416 7.67 3.89 0.75 0.86
17 A" 396 382 0.54 0.15 0.75 0.86
18 A" 133 129 0.03 9.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9385.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9057.2 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/6-31G(2df,p)
ABC
0.09417 0.09401 0.04721

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.060 0.000
C2 -0.006 1.279 0.000
N3 0.128 2.472 0.000
C4 -0.006 -0.761 1.241
C5 -0.006 -0.761 -1.241
N6 -0.006 -1.329 2.250
N7 -0.006 -1.329 -2.250
H8 -0.654 3.123 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33872.53491.42571.42572.58322.58323.2476
C21.33871.20022.38822.38823.44453.44451.9540
N32.53491.20023.46573.46574.41894.41891.0175
C41.42572.38823.46572.48211.15753.53654.1286
C51.42572.38823.46572.48213.53651.15754.1286
N62.58323.44454.41891.15753.53654.49925.0300
N72.58323.44454.41893.53651.15754.49925.0300
H83.24761.95401.01754.12864.12865.03005.0300

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.554 C1 C4 N6 179.905
C1 C5 N7 179.905 C2 C1 C4 119.484
C2 C1 C5 119.484 C2 N3 H8 123.341
C4 C1 C5 121.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.132      
2 C 0.423      
3 N -0.469      
4 C 0.246      
5 C 0.246      
6 N -0.314      
7 N -0.314      
8 H 0.315      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.299 5.181 0.000 5.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.058 -4.409 0.000
y -4.409 -34.231 0.000
z 0.000 0.000 -51.754
Traceless
 xyz
x 5.934 -4.409 0.000
y -4.409 10.175 0.000
z 0.000 0.000 -16.109
Polar
3z2-r2-32.218
x2-y2-2.827
xy-4.409
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.178 -0.081 0.000
y -0.081 12.039 0.000
z 0.000 0.000 9.294


<r2> (average value of r2) Å2
<r2> 209.541
(<r2>)1/2 14.476