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

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-313.073949
Energy at 298.15K 
HF Energy-313.073949
Nuclear repulsion energy206.467950
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 B3LYP/STO-3G
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' 3472 3098 26.46 357.85 0.32 0.49
2 A' 2349 2097 4.17 123.28 0.11 0.20
3 A' 2158 1925 166.29 8.01 0.16 0.28
4 A' 1323 1181 0.47 33.29 0.22 0.36
5 A' 987 881 364.82 23.09 0.67 0.80
6 A' 653 583 0.26 8.46 0.09 0.17
7 A' 604 539 6.99 6.68 0.71 0.83
8 A' 585 522 0.07 0.06 0.64 0.78
9 A' 397 355 13.13 1.71 0.39 0.56
10 A' 175 156 5.69 0.37 0.67 0.81
11 A' 132 118 4.55 5.91 0.72 0.84
12 A" 2336 2084 13.68 108.95 0.75 0.86
13 A" 1196 1067 0.58 6.13 0.75 0.86
14 A" 766 684 69.67 6.58 0.75 0.86
15 A" 611 545 0.04 0.32 0.75 0.86
16 A" 388 346 6.04 2.61 0.75 0.86
17 A" 374 334 0.93 1.17 0.75 0.86
18 A" 128 114 0.02 8.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9316.3 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 8313.9 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 B3LYP/STO-3G
ABC
0.08991 0.08833 0.04477

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.022 -0.042 0.000
C2 -0.022 1.315 0.000
N3 0.215 2.548 0.000
C4 -0.022 -0.775 1.264
C5 -0.022 -0.775 -1.264
N6 -0.022 -1.382 2.301
N7 -0.022 -1.382 -2.301
H8 -0.649 3.185 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35682.60131.46141.46142.66262.66263.2870
C21.35681.25622.44262.44263.54503.54501.9720
N32.60131.25623.56383.56384.56064.56061.0728
C41.46142.44263.56382.52831.20133.61624.2037
C51.46142.44263.56382.52833.61621.20134.2037
N62.66263.54504.56061.20133.61624.60165.1519
N72.66263.54504.56063.61621.20134.60165.1519
H83.28701.97201.07284.20374.20375.15195.1519

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 169.117 C1 C4 N6 179.766
C1 C5 N7 179.766 C2 C1 C4 120.113
C2 C1 C5 120.113 C2 N3 H8 115.495
C4 C1 C5 119.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.042      
2 C 0.183      
3 N -0.230      
4 C 0.081      
5 C 0.081      
6 N -0.156      
7 N -0.156      
8 H 0.241      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.420 4.202 0.000 4.436
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.670 -4.596 0.000
y -4.596 -33.167 0.000
z 0.000 0.000 -46.754
Traceless
 xyz
x 5.291 -4.596 0.000
y -4.596 7.545 0.000
z 0.000 0.000 -12.836
Polar
3z2-r2-25.672
x2-y2-1.503
xy-4.596
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.497 -0.147 0.000
y -0.147 9.018 0.000
z 0.000 0.000 5.794


<r2> (average value of r2) Å2
<r2> 217.850
(<r2>)1/2 14.760