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

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-315.337101
Energy at 298.15K 
HF Energy-315.337101
Nuclear repulsion energy213.945994
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 HF/6-31+G**
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' 3797 3433 256.16 245.73 0.30 0.46
2 A' 2600 2351 31.00 239.01 0.09 0.17
3 A' 2282 2064 990.18 10.25 0.69 0.81
4 A' 1448 1309 0.41 50.97 0.18 0.31
5 A' 854 772 512.34 9.25 0.75 0.86
6 A' 694 627 3.03 13.16 0.07 0.13
7 A' 677 612 40.68 9.49 0.59 0.74
8 A' 647 585 0.66 0.36 0.54 0.70
9 A' 489 442 63.06 1.47 0.35 0.52
10 A' 188 170 9.35 0.26 0.69 0.82
11 A' 151 137 10.95 9.32 0.72 0.84
12 A" 2594 2345 58.04 155.34 0.75 0.86
13 A" 1317 1191 5.33 8.90 0.75 0.86
14 A" 808 730 112.96 0.03 0.75 0.86
15 A" 691 625 5.05 2.43 0.75 0.86
16 A" 471 426 10.41 7.93 0.75 0.86
17 A" 435 394 0.71 0.43 0.75 0.86
18 A" 149 135 0.17 9.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10145.9 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 9173.9 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 HF/6-31+G**
ABC
0.09553 0.09452 0.04767

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 -0.055 0.000
C2 -0.000 1.275 0.000
N3 0.101 2.455 0.000
C4 -0.000 -0.763 1.247
C5 -0.000 -0.763 -1.247
N6 -0.000 -1.316 2.239
N7 -0.000 -1.316 -2.239
H8 -0.689 3.073 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.32992.51241.43381.43382.56992.56993.2033
C21.32991.18472.38902.38903.42453.42451.9259
N32.51241.18473.45283.45284.38724.38721.0029
C41.43382.38903.45282.49361.13613.52974.0922
C51.43382.38903.45282.49363.52971.13614.0922
N62.56993.42454.38721.13613.52974.47854.9755
N72.56993.42454.38723.52971.13614.47854.9755
H83.20331.92591.00294.09224.09224.97554.9755

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.109 C1 C4 N6 179.543
C1 C5 N7 179.543 C2 C1 C4 119.586
C2 C1 C5 119.586 C2 N3 H8 123.154
C4 C1 C5 120.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.514      
2 C 0.138      
3 N -0.471      
4 C 0.112      
5 C 0.112      
6 N -0.381      
7 N -0.381      
8 H 0.357      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.599 5.562 0.000 5.788
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.576 -5.324 0.000
y -5.324 -36.327 0.000
z 0.000 0.000 -54.797
Traceless
 xyz
x 6.986 -5.324 0.000
y -5.324 10.359 0.000
z 0.000 0.000 -17.345
Polar
3z2-r2-34.691
x2-y2-2.249
xy-5.324
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.544 0.015 0.000
y 0.015 11.967 0.000
z 0.000 0.000 9.130


<r2> (average value of r2) Å2
<r2> 209.050
(<r2>)1/2 14.459