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

using model chemistry: B3PW91/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 B3PW91/Def2TZVPP
 hartrees
Energy at 0K-317.169977
Energy at 298.15K 
HF Energy-317.169977
Nuclear repulsion energy213.170191
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 B3PW91/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' 3550 3550 137.82 398.78 0.30 0.46
2 A' 2356 2356 8.06 251.45 0.11 0.19
3 A' 2171 2171 593.27 8.63 0.34 0.51
4 A' 1343 1343 2.06 43.38 0.18 0.31
5 A' 832 832 449.83 5.67 0.68 0.81
6 A' 660 660 2.59 16.89 0.07 0.13
7 A' 616 616 13.08 3.71 0.63 0.78
8 A' 594 594 0.49 0.32 0.55 0.71
9 A' 450 450 31.34 1.12 0.34 0.51
10 A' 177 177 7.31 0.18 0.68 0.81
11 A' 136 136 9.30 8.57 0.73 0.84
12 A" 2344 2344 31.13 186.74 0.75 0.86
13 A" 1231 1231 0.91 9.37 0.75 0.86
14 A" 736 736 79.76 0.65 0.75 0.86
15 A" 634 634 4.72 0.84 0.75 0.86
16 A" 422 422 7.61 3.78 0.75 0.86
17 A" 397 397 0.60 0.24 0.75 0.86
18 A" 132 132 0.00 9.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9389.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9389.5 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 B3PW91/Def2TZVPP
ABC
0.09481 0.09445 0.04748

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.007 -0.061 0.000
C2 -0.007 1.276 0.000
N3 0.128 2.463 0.000
C4 -0.007 -0.760 1.239
C5 -0.007 -0.760 -1.239
N6 -0.007 -1.324 2.244
N7 -0.007 -1.324 -2.244
H8 -0.645 3.120 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33682.52711.42241.42242.57522.57523.2446
C21.33681.19442.38312.38313.43443.43441.9518
N32.52711.19443.45513.45514.40374.40371.0151
C41.42242.38313.45512.47761.15273.52834.1229
C51.42242.38313.45512.47763.52831.15274.1229
N62.57523.43444.40371.15273.52834.48825.0195
N72.57523.43444.40373.52831.15274.48825.0195
H83.24461.95181.01514.12294.12295.01955.0195

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.534 C1 C4 N6 179.865
C1 C5 N7 179.865 C2 C1 C4 119.433
C2 C1 C5 119.433 C2 N3 H8 123.910
C4 C1 C5 121.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.221      
2 C 0.082      
3 N -0.105      
4 C -0.236      
5 C -0.236      
6 N 0.022      
7 N 0.022      
8 H 0.231      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.284 5.390 0.000 5.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.817 -4.440 0.000
y -4.440 -34.468 0.000
z 0.000 0.000 -52.764
Traceless
 xyz
x 5.799 -4.440 0.000
y -4.440 10.823 0.000
z 0.000 0.000 -16.622
Polar
3z2-r2-33.244
x2-y2-3.349
xy-4.440
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.031 0.014 0.000
y 0.014 12.749 0.000
z 0.000 0.000 10.158


<r2> (average value of r2) Å2
<r2> 208.936
(<r2>)1/2 14.455