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

using model chemistry: wB97X-D/aug-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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-317.175183
Energy at 298.15K 
HF Energy-317.175183
Nuclear repulsion energy213.476916
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 wB97X-D/aug-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' 3588 3432 165.54 317.41 0.28 0.44
2 A' 2389 2285 13.20 274.29 0.08 0.15
3 A' 2180 2086 689.14 8.06 0.41 0.58
4 A' 1359 1300 1.09 44.75 0.18 0.30
5 A' 833 796 454.21 7.70 0.43 0.60
6 A' 661 633 2.31 17.76 0.05 0.10
7 A' 618 591 19.51 3.93 0.58 0.74
8 A' 596 570 0.52 0.41 0.65 0.79
9 A' 456 436 37.73 1.26 0.29 0.44
10 A' 175 167 7.80 0.24 0.70 0.82
11 A' 136 130 10.05 7.36 0.72 0.84
12 A" 2380 2277 35.43 175.75 0.75 0.86
13 A" 1238 1184 1.24 11.33 0.75 0.86
14 A" 748 716 78.37 0.40 0.75 0.86
15 A" 640 612 5.36 0.87 0.75 0.86
16 A" 422 404 7.11 2.68 0.75 0.86
17 A" 396 379 0.67 0.14 0.75 0.86
18 A" 134 128 0.02 8.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9474.0 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9062.9 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 wB97X-D/aug-cc-pVTZ
ABC
0.09535 0.09433 0.04758

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 -0.060 0.000
C2 -0.005 1.272 0.000
N3 0.121 2.458 0.000
C4 -0.005 -0.760 1.241
C5 -0.005 -0.760 -1.241
N6 -0.005 -1.318 2.245
N7 -0.005 -1.318 -2.245
H8 -0.663 3.100 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33212.52101.42511.42512.57322.57323.2276
C21.33211.19242.38122.38123.42743.42741.9426
N32.52101.19243.45133.45134.39454.39451.0130
C41.42512.38123.45132.48281.14813.53054.1075
C51.42512.38123.45132.48283.53051.14814.1075
N62.57323.42744.39451.14813.53054.48944.9989
N72.57323.42744.39453.53051.14814.48944.9989
H83.22761.94261.01304.10754.10754.99894.9989

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.964 C1 C4 N6 179.668
C1 C5 N7 179.668 C2 C1 C4 119.416
C2 C1 C5 119.416 C2 N3 H8 123.282
C4 C1 C5 121.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.270      
2 C 0.172      
3 N -0.492      
4 C 0.070      
5 C 0.070      
6 N -0.632      
7 N -0.632      
8 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.299 5.370 0.000 5.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.828 -4.509 0.000
y -4.509 -34.739 0.000
z 0.000 0.000 -53.151
Traceless
 xyz
x 6.117 -4.509 0.000
y -4.509 10.751 0.000
z 0.000 0.000 -16.867
Polar
3z2-r2-33.735
x2-y2-3.089
xy-4.509
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.762 0.026 0.000
y 0.026 13.076 0.000
z 0.000 0.000 10.443


<r2> (average value of r2) Å2
<r2> 208.627
(<r2>)1/2 14.444