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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-316.864778
Energy at 298.15K 
HF Energy-316.864778
Nuclear repulsion energy210.382937
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 PBEPBEultrafine/aug-cc-pVDZ
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' 3421 3400 81.74 517.95 0.30 0.46
2 A' 2249 2235 4.58 307.56 0.09 0.17
3 A' 2101 2088 473.18 8.54 0.33 0.49
4 A' 1293 1286 5.06 40.31 0.18 0.30
5 A' 851 846 397.56 10.92 0.39 0.56
6 A' 645 641 1.84 23.47 0.05 0.10
7 A' 569 566 4.45 2.32 0.59 0.74
8 A' 561 557 0.77 1.06 0.58 0.73
9 A' 412 409 20.06 1.34 0.23 0.38
10 A' 169 168 6.51 0.16 0.58 0.74
11 A' 127 127 8.13 8.71 0.72 0.84
12 A" 2236 2222 23.35 215.11 0.75 0.86
13 A" 1192 1185 0.98 8.70 0.75 0.86
14 A" 700 695 74.22 1.23 0.75 0.86
15 A" 599 595 2.76 0.18 0.75 0.86
16 A" 387 384 7.07 2.10 0.75 0.86
17 A" 366 363 0.14 0.31 0.75 0.86
18 A" 123 123 0.00 9.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8999.4 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 8944.5 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.09249 0.09220 0.04634

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 -0.061 0.000
C2 -0.013 1.293 0.000
N3 0.162 2.496 0.000
C4 -0.013 -0.765 1.247
C5 -0.013 -0.765 -1.247
N6 -0.013 -1.346 2.270
N7 -0.013 -1.346 -2.270
H8 -0.623 3.161 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35382.56331.43171.43172.60812.60813.2797
C21.35381.21622.40592.40593.48043.48041.9657
N32.56331.21623.49583.49584.46574.46571.0292
C41.43172.40593.49582.49331.17643.56414.1645
C51.43172.40593.49582.49333.56411.17644.1645
N62.60813.48044.46571.17643.56414.53975.0830
N72.60813.48044.46573.56411.17644.53975.0830
H83.27971.96571.02924.16454.16455.08305.0830

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 171.704 C1 C4 N6 179.880
C1 C5 N7 179.880 C2 C1 C4 119.451
C2 C1 C5 119.451 C2 N3 H8 121.970
C4 C1 C5 121.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.602      
2 C -0.299      
3 N -0.073      
4 C -0.386      
5 C -0.386      
6 N -0.259      
7 N -0.259      
8 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.208 5.221 0.000 5.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.510 -4.300 0.000
y -4.300 -35.035 0.000
z 0.000 0.000 -53.035
Traceless
 xyz
x 5.525 -4.300 0.000
y -4.300 10.738 0.000
z 0.000 0.000 -16.263
Polar
3z2-r2-32.525
x2-y2-3.475
xy-4.300
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.917 0.062 0.000
y 0.062 14.130 0.000
z 0.000 0.000 11.494


<r2> (average value of r2) Å2
<r2> 213.746
(<r2>)1/2 14.620