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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-311.277833
Energy at 298.15K 
HF Energy-311.277833
Nuclear repulsion energy210.769001
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/STO-3G
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' 3869 3159 109.88 279.63 0.32 0.49
2 A' 2733 2231 0.02 92.07 0.10 0.19
3 A' 2397 1957 363.70 6.18 0.20 0.34
4 A' 1496 1221 0.41 42.35 0.28 0.43
5 A' 1089 890 403.26 22.22 0.71 0.83
6 A' 722 590 20.11 13.82 0.68 0.81
7 A' 718 586 0.56 6.93 0.11 0.20
8 A' 668 545 0.01 0.23 0.32 0.48
9 A' 474 387 25.40 2.41 0.51 0.68
10 A' 201 164 10.08 0.62 0.71 0.83
11 A' 153 125 6.70 5.18 0.72 0.84
12 A" 2729 2229 7.01 68.71 0.75 0.86
13 A" 1343 1097 5.06 2.95 0.75 0.86
14 A" 881 719 77.04 4.80 0.75 0.86
15 A" 702 573 0.01 1.87 0.75 0.86
16 A" 460 376 8.19 4.92 0.75 0.86
17 A" 451 368 0.02 0.20 0.75 0.86
18 A" 149 121 0.41 7.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10617.0 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 8668.8 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/STO-3G
ABC
0.09305 0.09191 0.04644

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.034 0.000
C2 -0.006 1.288 0.000
N3 0.137 2.506 0.000
C4 -0.006 -0.769 1.256
C5 -0.006 -0.769 -1.256
N6 -0.006 -1.351 2.256
N7 -0.006 -1.351 -2.256
H8 -0.744 3.071 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.32222.54391.45511.45512.61252.61253.1914
C21.32221.22612.41032.41033.47233.47231.9295
N32.54391.22613.51043.51044.47084.47081.0469
C41.45512.41033.51042.51151.15743.55984.1069
C51.45512.41033.51042.51153.55981.15744.1069
N62.61253.47234.47081.15743.55984.51225.0189
N72.61253.47234.47083.55981.15744.51225.0189
H83.19141.92951.04694.10694.10695.01895.0189

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.305 C1 C4 N6 179.855
C1 C5 N7 179.855 C2 C1 C4 120.344
C2 C1 C5 120.344 C2 N3 H8 115.957
C4 C1 C5 119.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.045      
2 C 0.238      
3 N -0.264      
4 C 0.087      
5 C 0.087      
6 N -0.171      
7 N -0.171      
8 H 0.238      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.606 4.122 0.000 4.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.216 -4.959 0.000
y -4.959 -35.468 0.000
z 0.000 0.000 -48.060
Traceless
 xyz
x 7.548 -4.959 0.000
y -4.959 5.670 0.000
z 0.000 0.000 -13.217
Polar
3z2-r2-26.435
x2-y21.252
xy-4.959
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.367 -0.327 0.000
y -0.327 8.266 0.000
z 0.000 0.000 4.817


<r2> (average value of r2) Å2
<r2> 211.393
(<r2>)1/2 14.539