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

using model chemistry: HF/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 HF/Def2TZVPP
 hartrees
Energy at 0K-315.446781
Energy at 298.15K 
HF Energy-315.446781
Nuclear repulsion energy214.987912
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 HF/Def2TZVPP
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' 3766 3413 254.47 240.08 0.29 0.46
2 A' 2590 2348 27.24 215.11 0.10 0.17
3 A' 2271 2059 963.31 9.00 0.73 0.84
4 A' 1437 1303 0.24 44.41 0.19 0.32
5 A' 875 793 480.57 6.13 0.75 0.86
6 A' 692 627 0.96 12.01 0.08 0.14
7 A' 682 618 48.96 8.32 0.45 0.62
8 A' 650 590 0.35 0.32 0.12 0.21
9 A' 504 457 66.39 1.28 0.44 0.61
10 A' 190 172 9.90 0.28 0.72 0.84
11 A' 153 139 11.76 7.69 0.72 0.84
12 A" 2583 2341 55.23 140.26 0.75 0.86
13 A" 1308 1186 4.15 7.49 0.75 0.86
14 A" 807 732 93.72 0.06 0.75 0.86
15 A" 696 631 6.38 2.00 0.75 0.86
16 A" 475 430 8.93 5.22 0.75 0.86
17 A" 444 402 1.07 0.29 0.75 0.86
18 A" 151 137 0.19 8.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10137.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 9188.4 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 HF/Def2TZVPP
ABC
0.09652 0.09525 0.04811

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -0.055 0.000
C2 0.001 1.269 0.000
N3 0.093 2.443 0.000
C4 0.001 -0.760 1.245
C5 0.001 -0.760 -1.245
N6 0.001 -1.308 2.229
N7 0.001 -1.308 -2.229
H8 -0.700 3.053 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.32462.49991.43051.43052.55742.55743.1865
C21.32461.17712.38082.38083.40813.40811.9166
N32.49991.17713.43763.43764.36474.36471.0008
C41.43052.38083.43762.48971.12693.51724.0721
C51.43052.38083.43762.48973.51721.12694.0721
N62.55743.40814.36471.12693.51724.45874.9482
N72.55743.40814.36473.51721.12694.45874.9482
H83.18651.91661.00084.07214.07214.94824.9482

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.505 C1 C4 N6 179.596
C1 C5 N7 179.596 C2 C1 C4 119.518
C2 C1 C5 119.518 C2 N3 H8 123.083
C4 C1 C5 120.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.405      
2 C 0.182      
3 N -0.261      
4 C -0.187      
5 C -0.187      
6 N -0.100      
7 N -0.100      
8 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.453 5.512 0.000 5.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.135 -4.889 0.000
y -4.889 -35.986 0.000
z 0.000 0.000 -54.328
Traceless
 xyz
x 7.022 -4.889 0.000
y -4.889 10.245 0.000
z 0.000 0.000 -17.268
Polar
3z2-r2-34.535
x2-y2-2.149
xy-4.889
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.846 -0.054 0.000
y -0.054 11.762 0.000
z 0.000 0.000 9.148


<r2> (average value of r2) Å2
<r2> 207.151
(<r2>)1/2 14.393