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

using model chemistry: B1B95/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 B1B95/Def2TZVPP
 hartrees
Energy at 0K-317.186164
Energy at 298.15K 
HF Energy-317.186164
Nuclear repulsion energy213.697936
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/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' 3575 3575 154.24 381.03 0.30 0.46
2 A' 2382 2382 9.53 243.63 0.11 0.19
3 A' 2190 2190 625.56 8.45 0.35 0.52
4 A' 1356 1356 1.59 42.72 0.19 0.31
5 A' 823 823 451.30 5.65 0.69 0.82
6 A' 665 665 2.91 16.35 0.07 0.13
7 A' 620 620 16.49 3.74 0.63 0.77
8 A' 596 596 0.56 0.30 0.53 0.69
9 A' 455 455 35.40 1.17 0.37 0.54
10 A' 176 176 7.40 0.19 0.69 0.82
11 A' 136 136 9.42 8.40 0.73 0.84
12 A" 2371 2371 32.69 179.67 0.75 0.86
13 A" 1243 1243 0.90 9.16 0.75 0.86
14 A" 741 741 80.38 0.60 0.75 0.86
15 A" 637 637 5.03 0.89 0.75 0.86
16 A" 425 425 7.61 3.84 0.75 0.86
17 A" 399 399 0.65 0.23 0.75 0.86
18 A" 132 132 0.00 9.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9460.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9460.0 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/Def2TZVPP
ABC
0.09542 0.09474 0.04770

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.061 0.000
C2 -0.006 1.272 0.000
N3 0.123 2.456 0.000
C4 -0.006 -0.758 1.237
C5 -0.006 -0.758 -1.237
N6 -0.006 -1.319 2.241
N7 -0.006 -1.319 -2.241
H8 -0.649 3.110 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33322.52041.42001.42002.56922.56923.2363
C21.33321.19092.37732.37733.42493.42491.9478
N32.52041.19093.44623.44624.39114.39111.0122
C41.42002.37733.44622.47461.14923.52274.1122
C51.42002.37733.44622.47463.52271.14924.1122
N62.56923.42494.39111.14923.52274.48105.0050
N72.56923.42494.39113.52271.14924.48105.0050
H83.23631.94781.01224.11224.11225.00505.0050

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.792 C1 C4 N6 179.809
C1 C5 N7 179.809 C2 C1 C4 119.384
C2 C1 C5 119.384 C2 N3 H8 124.092
C4 C1 C5 121.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.310      
2 C 0.090      
3 N -0.153      
4 C -0.223      
5 C -0.223      
6 N -0.017      
7 N -0.017      
8 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.291 5.383 0.000 5.535
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.756 -4.447 0.000
y -4.447 -34.424 0.000
z 0.000 0.000 -52.690
Traceless
 xyz
x 5.801 -4.447 0.000
y -4.447 10.799 0.000
z 0.000 0.000 -16.600
Polar
3z2-r2-33.200
x2-y2-3.333
xy-4.447
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.986 0.005 0.000
y 0.005 12.582 0.000
z 0.000 0.000 10.021


<r2> (average value of r2) Å2
<r2> 208.030
(<r2>)1/2 14.423