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

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-313.011567
Energy at 298.15K 
HF Energy-313.011567
Nuclear repulsion energy207.571718
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/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' 3532 3118 43.99 338.16 0.32 0.49
2 A' 2406 2125 2.64 119.73 0.11 0.20
3 A' 2215 1956 187.11 8.44 0.17 0.28
4 A' 1359 1200 0.65 32.67 0.22 0.36
5 A' 975 861 375.69 23.16 0.66 0.80
6 A' 668 590 0.34 7.91 0.09 0.17
7 A' 625 552 8.48 6.66 0.71 0.83
8 A' 596 526 0.04 0.04 0.52 0.68
9 A' 410 362 15.88 1.76 0.42 0.59
10 A' 177 157 5.83 0.37 0.68 0.81
11 A' 134 118 4.66 5.77 0.72 0.84
12 A" 2396 2115 12.23 105.22 0.75 0.86
13 A" 1233 1089 0.24 6.24 0.75 0.86
14 A" 779 687 72.73 6.01 0.75 0.86
15 A" 621 549 0.07 0.42 0.75 0.86
16 A" 399 352 6.62 2.72 0.75 0.86
17 A" 386 341 0.86 1.10 0.75 0.86
18 A" 129 114 0.01 7.83 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9519.9 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 8406.1 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 B1B95/STO-3G
ABC
0.09077 0.08939 0.04524

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 -0.044 0.000
C2 -0.020 1.306 0.000
N3 0.203 2.535 0.000
C4 -0.020 -0.771 1.257
C5 -0.020 -0.771 -1.257
N6 -0.020 -1.373 2.291
N7 -0.020 -1.373 -2.291
H8 -0.660 3.164 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34942.58821.45271.45272.64842.64843.2712
C21.34941.24922.42802.42803.52463.52461.9657
N32.58821.24923.54433.54434.53534.53531.0679
C41.45272.42803.54432.51461.19573.59854.1810
C51.45272.42803.54432.51463.59851.19574.1810
N62.64843.52464.53531.19573.59854.58115.1230
N72.64843.52464.53533.59851.19574.58115.1230
H83.27121.96571.06794.18104.18105.12305.1230

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 169.726 C1 C4 N6 179.847
C1 C5 N7 179.847 C2 C1 C4 120.063
C2 C1 C5 120.063 C2 N3 H8 115.845
C4 C1 C5 119.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.051      
2 C 0.187      
3 N -0.236      
4 C 0.082      
5 C 0.082      
6 N -0.156      
7 N -0.156      
8 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.451 4.226 0.000 4.468
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.603 -4.663 0.000
y -4.663 -33.074 0.000
z 0.000 0.000 -46.714
Traceless
 xyz
x 5.291 -4.663 0.000
y -4.663 7.584 0.000
z 0.000 0.000 -12.875
Polar
3z2-r2-25.750
x2-y2-1.529
xy-4.663
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.467 -0.157 0.000
y -0.157 8.818 0.000
z 0.000 0.000 5.657


<r2> (average value of r2) Å2
<r2> 215.748
(<r2>)1/2 14.688