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

using model chemistry: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-317.060391
Energy at 298.15K 
HF Energy-317.060391
Nuclear repulsion energy212.186454
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 M06-2X/6-31G*
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' 3553 3364 153.76 382.26 0.31 0.48
2 A' 2435 2306 13.54 185.41 0.12 0.22
3 A' 2207 2090 634.65 11.06 0.26 0.41
4 A' 1377 1304 2.55 43.51 0.22 0.36
5 A' 824 780 482.08 11.76 0.73 0.85
6 A' 667 632 2.84 11.86 0.11 0.20
7 A' 634 601 23.62 6.62 0.70 0.82
8 A' 596 564 0.45 0.12 0.43 0.60
9 A' 446 422 45.92 1.63 0.51 0.68
10 A' 172 163 7.40 0.29 0.72 0.84
11 A' 134 127 8.30 9.18 0.73 0.84
12 A" 2428 2299 26.27 162.15 0.75 0.86
13 A" 1257 1191 1.65 7.77 0.75 0.86
14 A" 752 712 99.39 1.20 0.75 0.86
15 A" 634 600 3.61 1.43 0.75 0.86
16 A" 430 407 9.32 7.08 0.75 0.86
17 A" 394 373 0.58 0.23 0.75 0.86
18 A" 130 123 0.01 10.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9534.4 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 9029.1 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 M06-2X/6-31G*
ABC
0.09413 0.09335 0.04703

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 -0.060 0.000
C2 -0.004 1.279 0.000
N3 0.120 2.475 0.000
C4 -0.004 -0.763 1.247
C5 -0.004 -0.763 -1.247
N6 -0.004 -1.328 2.257
N7 -0.004 -1.328 -2.257
H8 -0.677 3.111 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33912.53731.43171.43172.58862.58863.2409
C21.33911.20172.39332.39333.44823.44821.9508
N32.53731.20173.47203.47204.42344.42341.0199
C41.43172.39333.47202.49371.15693.54884.1249
C51.43172.39333.47202.49373.54881.15694.1249
N62.58863.44824.42341.15693.54884.51365.0244
N72.58863.44824.42343.54881.15694.51365.0244
H83.24091.95081.01994.12494.12495.02445.0244

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.040 C1 C4 N6 179.757
C1 C5 N7 179.757 C2 C1 C4 119.439
C2 C1 C5 119.439 C2 N3 H8 122.622
C4 C1 C5 121.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.025      
2 C 0.471      
3 N -0.635      
4 C 0.335      
5 C 0.335      
6 N -0.441      
7 N -0.441      
8 H 0.402      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.507 5.205 0.000 5.419
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.505 -4.979 0.000
y -4.979 -34.172 0.000
z 0.000 0.000 -51.651
Traceless
 xyz
x 5.406 -4.979 0.000
y -4.979 10.406 0.000
z 0.000 0.000 -15.812
Polar
3z2-r2-31.625
x2-y2-3.333
xy-4.979
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.516 -0.052 0.000
y -0.052 11.509 0.000
z 0.000 0.000 8.679


<r2> (average value of r2) Å2
<r2> 210.253
(<r2>)1/2 14.500