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

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-315.398646
Energy at 298.15K 
HF Energy-315.398646
Nuclear repulsion energy214.681973
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/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' 3762 3418 235.02 257.09 0.31 0.47
2 A' 2596 2358 27.27 182.89 0.11 0.19
3 A' 2277 2069 930.49 8.06 0.73 0.85
4 A' 1441 1309 0.56 44.70 0.23 0.37
5 A' 883 802 472.93 8.57 0.74 0.85
6 A' 695 631 6.74 8.96 0.23 0.38
7 A' 688 625 44.88 11.86 0.38 0.55
8 A' 652 592 0.22 0.54 0.36 0.53
9 A' 502 456 69.27 1.53 0.54 0.70
10 A' 190 173 9.00 0.35 0.74 0.85
11 A' 154 140 10.77 8.48 0.73 0.84
12 A" 2591 2354 47.09 134.93 0.75 0.86
13 A" 1314 1194 4.83 6.31 0.75 0.86
14 A" 809 735 104.36 0.15 0.75 0.86
15 A" 698 634 5.68 2.35 0.75 0.86
16 A" 479 436 10.18 7.90 0.75 0.86
17 A" 446 405 0.96 0.34 0.75 0.86
18 A" 152 138 0.17 9.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10164.8 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 9234.7 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 HF/6-311G**
ABC
0.09613 0.09516 0.04799

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -0.054 0.000
C2 0.002 1.272 0.000
N3 0.091 2.449 0.000
C4 0.002 -0.761 1.245
C5 0.002 -0.761 -1.245
N6 0.002 -1.312 2.231
N7 0.002 -1.312 -2.231
H8 -0.717 3.044 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.32592.50481.43111.43112.56072.56073.1802
C21.32591.18072.38312.38313.41323.41321.9123
N32.50481.18073.44363.44364.37354.37351.0033
C41.43112.38313.44362.48911.12973.51864.0668
C51.43112.38313.44362.48913.51861.12974.0668
N62.56073.41324.37351.12973.51864.46134.9460
N72.56073.41324.37353.51861.12974.46134.9460
H83.18021.91231.00334.06684.06684.94604.9460

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.665 C1 C4 N6 179.625
C1 C5 N7 179.625 C2 C1 C4 119.579
C2 C1 C5 119.579 C2 N3 H8 122.021
C4 C1 C5 120.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.025      
2 C 0.422      
3 N -0.449      
4 C 0.174      
5 C 0.174      
6 N -0.306      
7 N -0.306      
8 H 0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.571 5.445 0.000 5.667
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.103 -5.147 0.000
y -5.147 -36.082 0.000
z 0.000 0.000 -53.860
Traceless
 xyz
x 6.867 -5.147 0.000
y -5.147 9.900 0.000
z 0.000 0.000 -16.767
Polar
3z2-r2-33.534
x2-y2-2.021
xy-5.147
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.808 -0.102 0.000
y -0.102 11.087 0.000
z 0.000 0.000 8.353


<r2> (average value of r2) Å2
<r2> 207.480
(<r2>)1/2 14.404