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

using model chemistry: B1B95/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/cc-pVTZ
 hartrees
Energy at 0K-317.173378
Energy at 298.15K 
HF Energy-317.173378
Nuclear repulsion energy213.714465
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 B1B95/cc-pVTZ
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' 3567 3414 145.99 387.87 0.30 0.46
2 A' 2382 2280 9.49 230.97 0.10 0.19
3 A' 2190 2096 608.14 7.60 0.41 0.58
4 A' 1353 1295 1.64 41.06 0.19 0.32
5 A' 828 793 450.68 5.60 0.71 0.83
6 A' 663 635 2.57 15.00 0.08 0.15
7 A' 617 591 16.65 3.93 0.65 0.79
8 A' 594 568 0.58 0.34 0.51 0.68
9 A' 454 434 34.67 1.11 0.37 0.54
10 A' 176 168 7.13 0.21 0.71 0.83
11 A' 135 129 9.12 7.95 0.73 0.84
12 A" 2372 2270 30.94 171.93 0.75 0.86
13 A" 1240 1187 0.79 8.75 0.75 0.86
14 A" 741 710 79.79 0.79 0.75 0.86
15 A" 635 608 4.82 0.75 0.75 0.86
16 A" 422 404 7.46 3.52 0.75 0.86
17 A" 395 378 0.57 0.20 0.75 0.86
18 A" 131 126 0.00 9.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9447.9 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 9042.6 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 B1B95/cc-pVTZ
ABC
0.09546 0.09476 0.04772

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.061 0.000
C2 -0.006 1.271 0.000
N3 0.124 2.456 0.000
C4 -0.006 -0.758 1.237
C5 -0.006 -0.758 -1.237
N6 -0.006 -1.318 2.240
N7 -0.006 -1.318 -2.240
H8 -0.652 3.106 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33272.52041.41951.41952.56892.56893.2324
C21.33271.19152.37642.37643.42433.42431.9450
N32.52041.19153.44573.44574.39094.39091.0125
C41.41952.37643.44572.47401.14943.52234.1078
C51.41952.37643.44572.47403.52231.14944.1078
N62.56893.42434.39091.14943.52234.48085.0010
N72.56893.42434.39093.52231.14944.48085.0010
H83.23241.94501.01254.10784.10785.00105.0010

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.743 C1 C4 N6 179.818
C1 C5 N7 179.818 C2 C1 C4 119.376
C2 C1 C5 119.376 C2 N3 H8 123.679
C4 C1 C5 121.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.085      
2 C 0.181      
3 N -0.112      
4 C -0.027      
5 C -0.027      
6 N -0.074      
7 N -0.074      
8 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.291 5.341 0.000 5.495
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.626 -4.410 0.000
y -4.410 -34.245 0.000
z 0.000 0.000 -52.297
Traceless
 xyz
x 5.645 -4.410 0.000
y -4.410 10.717 0.000
z 0.000 0.000 -16.362
Polar
3z2-r2-32.723
x2-y2-3.381
xy-4.410
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.693 -0.024 0.000
y -0.024 12.292 0.000
z 0.000 0.000 9.724


<r2> (average value of r2) Å2
<r2> 207.822
(<r2>)1/2 14.416