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

using model chemistry: B2PLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-317.071903
Energy at 298.15K 
HF Energy-316.681783
Nuclear repulsion energy212.478878
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 B2PLYP/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3552 3552 141.51 399.19 0.30 0.46
2 A' 2278 2278 5.67 235.13 0.10 0.18
3 A' 2142 2142 541.57 8.80 0.22 0.36
4 A' 1330 1330 2.23 49.17 0.20 0.33
5 A' 841 841 479.60 7.60 0.61 0.76
6 A' 654 654 2.03 17.15 0.07 0.13
7 A' 604 604 11.83 4.40 0.62 0.77
8 A' 587 587 0.65 0.41 0.52 0.69
9 A' 446 446 30.54 1.40 0.32 0.49
10 A' 175 175 6.99 0.27 0.71 0.83
11 A' 135 135 9.14 8.21 0.73 0.84
12 A" 2272 2272 16.24 175.45 0.75 0.86
13 A" 1221 1221 1.02 9.57 0.75 0.86
14 A" 739 739 81.21 0.73 0.75 0.86
15 A" 631 631 3.92 0.68 0.75 0.86
16 A" 411 411 6.80 3.73 0.75 0.86
17 A" 388 388 0.44 0.21 0.75 0.86
18 A" 133 133 0.00 9.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9268.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9268.7 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 B2PLYP/Def2TZVPP
ABC
0.09421 0.09392 0.04719

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.059 0.000
C2 -0.008 1.279 0.000
N3 0.135 2.470 0.000
C4 -0.008 -0.761 1.240
C5 -0.008 -0.761 -1.240
N6 -0.008 -1.329 2.251
N7 -0.008 -1.329 -2.251
H8 -0.638 3.128 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33792.53341.42521.42522.58512.58513.2485
C21.33791.20002.38722.38723.44563.44561.9533
N32.53341.20003.46393.46394.41914.41911.0143
C41.42522.38723.46392.48091.16003.53794.1299
C51.42522.38723.46392.48093.53791.16004.1299
N62.58513.44564.41911.16003.53794.50275.0333
N72.58513.44564.41913.53791.16004.50275.0333
H83.24851.95331.01434.12994.12995.03335.0333

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.179 C1 C4 N6 179.872
C1 C5 N7 179.872 C2 C1 C4 119.495
C2 C1 C5 119.495 C2 N3 H8 123.591
C4 C1 C5 121.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.243      
2 C 0.101      
3 N -0.146      
4 C -0.204      
5 C -0.204      
6 N -0.011      
7 N -0.011      
8 H 0.231      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.282 5.384 0.000 5.535
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.312 -4.454 0.000
y -4.454 -34.942 0.046
z 0.000 0.046 -53.334
Traceless
 xyz
x 5.826 -4.454 0.000
y -4.454 10.881 0.046
z 0.000 0.046 -16.707
Polar
3z2-r2-33.414
x2-y2-3.370
xy-4.454
xz0.000
yz0.046


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.073 0.045 -0.000
y 0.045 12.872 -0.005
z -0.000 -0.005 9.993


<r2> (average value of r2) Å2
<r2> 210.345
(<r2>)1/2 14.503