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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-316.867032
Energy at 298.15K 
HF Energy-316.867032
Nuclear repulsion energy211.992489
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 HSEh1PBE/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' 3533 3398 121.20 452.89 0.31 0.47
2 A' 2380 2290 10.50 204.04 0.11 0.20
3 A' 2193 2109 546.76 7.24 0.33 0.50
4 A' 1361 1309 4.79 39.52 0.22 0.36
5 A' 864 831 411.43 8.48 0.72 0.84
6 A' 668 643 2.78 14.34 0.10 0.18
7 A' 616 593 13.76 5.48 0.69 0.81
8 A' 593 570 0.54 0.24 0.36 0.53
9 A' 443 426 32.39 1.34 0.37 0.54
10 A' 174 168 5.83 0.29 0.71 0.83
11 A' 135 130 7.66 8.31 0.73 0.84
12 A" 2372 2281 27.20 164.67 0.75 0.86
13 A" 1253 1206 1.87 6.76 0.75 0.86
14 A" 732 704 80.70 1.48 0.75 0.86
15 A" 632 608 3.40 0.75 0.75 0.86
16 A" 424 408 8.26 4.55 0.75 0.86
17 A" 395 380 0.34 0.23 0.75 0.86
18 A" 132 127 0.00 9.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9448.9 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 9088.9 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 HSEh1PBE/cc-pVDZ
ABC
0.09376 0.09355 0.04700

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.061 0.000
C2 -0.006 1.283 0.000
N3 0.130 2.480 0.000
C4 -0.006 -0.762 1.243
C5 -0.006 -0.762 -1.243
N6 -0.006 -1.332 2.255
N7 -0.006 -1.332 -2.255
H8 -0.683 3.102 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34312.54371.42691.42692.58912.58913.2346
C21.34311.20462.39252.39253.45303.45301.9416
N32.54371.20463.47423.47424.43104.43101.0237
C41.42692.39253.47422.48541.16223.54434.1153
C51.42692.39253.47422.48543.54431.16224.1153
N62.58913.45304.43101.16223.54434.51095.0209
N72.58913.45304.43103.54431.16224.51095.0209
H83.23461.94161.02374.11534.11535.02095.0209

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.530 C1 C4 N6 179.934
C1 C5 N7 179.934 C2 C1 C4 119.440
C2 C1 C5 119.440 C2 N3 H8 121.009
C4 C1 C5 121.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.086      
2 C 0.221      
3 N -0.128      
4 C 0.016      
5 C 0.016      
6 N -0.107      
7 N -0.107      
8 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.361 5.178 0.000 5.353
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.575 -4.539 0.000
y -4.539 -34.034 0.000
z 0.000 0.000 -51.147
Traceless
 xyz
x 5.016 -4.539 0.000
y -4.539 10.327 0.000
z 0.000 0.000 -15.342
Polar
3z2-r2-30.685
x2-y2-3.541
xy-4.539
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.786 -0.083 0.000
y -0.083 11.720 0.000
z 0.000 0.000 8.975


<r2> (average value of r2) Å2
<r2> 210.252
(<r2>)1/2 14.500