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

using model chemistry: wB97X-D/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-317.168032
Energy at 298.15K 
HF Energy-317.168032
Nuclear repulsion energy213.456914
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/6-311+G(3df,2p)
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' 3595 3595 170.19 302.80 0.29 0.45
2 A' 2388 2388 13.35 267.09 0.09 0.16
3 A' 2181 2181 693.31 8.38 0.41 0.58
4 A' 1359 1359 1.11 44.65 0.18 0.30
5 A' 827 827 453.74 7.37 0.47 0.64
6 A' 661 661 2.57 17.31 0.06 0.11
7 A' 616 616 20.19 3.88 0.58 0.73
8 A' 596 596 0.52 0.39 0.62 0.76
9 A' 457 457 38.94 1.33 0.29 0.45
10 A' 175 175 7.79 0.23 0.69 0.81
11 A' 138 138 10.16 7.52 0.72 0.84
12 A" 2380 2380 35.71 177.29 0.75 0.86
13 A" 1238 1238 1.23 11.28 0.75 0.86
14 A" 748 748 79.33 0.41 0.75 0.86
15 A" 640 640 5.44 0.93 0.75 0.86
16 A" 424 424 7.24 2.90 0.75 0.86
17 A" 397 397 0.73 0.15 0.75 0.86
18 A" 135 135 0.02 8.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9476.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9476.3 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/6-311+G(3df,2p)
ABC
0.09527 0.09437 0.04757

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 -0.060 0.000
C2 -0.005 1.273 0.000
N3 0.119 2.458 0.000
C4 -0.005 -0.760 1.241
C5 -0.005 -0.760 -1.241
N6 -0.005 -1.319 2.244
N7 -0.005 -1.319 -2.244
H8 -0.664 3.102 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33232.52131.42521.42522.57332.57333.2297
C21.33231.19242.38172.38173.42823.42821.9446
N32.52131.19243.45193.45194.39554.39551.0137
C41.42522.38173.45192.48251.14813.52994.1099
C51.42522.38173.45192.48253.52991.14814.1099
N62.57333.42824.39551.14813.52994.48835.0016
N72.57333.42824.39553.52991.14814.48835.0016
H83.22971.94461.01374.10994.10995.00165.0016

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.037 C1 C4 N6 179.692
C1 C5 N7 179.692 C2 C1 C4 119.436
C2 C1 C5 119.436 C2 N3 H8 123.436
C4 C1 C5 121.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.088      
2 C 0.565      
3 N -0.964      
4 C 0.537      
5 C 0.537      
6 N -1.001      
7 N -1.001      
8 H 0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.307 5.387 0.000 5.543
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.951 -4.542 0.000
y -4.542 -34.766 0.000
z 0.000 0.000 -53.240
Traceless
 xyz
x 6.052 -4.542 0.000
y -4.542 10.829 0.000
z 0.000 0.000 -16.882
Polar
3z2-r2-33.763
x2-y2-3.185
xy-4.542
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.701 0.032 0.000
y 0.032 13.040 0.000
z 0.000 0.000 10.401


<r2> (average value of r2) Å2
<r2> 208.719
(<r2>)1/2 14.447