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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-312.983021
Energy at 298.15K 
HF Energy-312.983021
Nuclear repulsion energy204.323418
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 BLYP/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' 3307 3060 4.55 401.47 0.33 0.49
2 A' 2212 2047 8.41 128.45 0.12 0.21
3 A' 2047 1893 114.50 6.63 0.18 0.30
4 A' 1253 1159 0.52 29.04 0.21 0.35
5 A' 983 909 326.15 23.64 0.66 0.79
6 A' 626 580 0.24 10.45 0.09 0.17
7 A' 561 519 3.53 4.15 0.69 0.82
8 A' 556 515 0.91 1.09 0.69 0.82
9 A' 367 340 8.72 1.51 0.31 0.47
10 A' 166 153 4.44 0.30 0.64 0.78
11 A' 125 115 3.78 6.39 0.73 0.84
12 A" 2192 2028 17.15 116.20 0.75 0.86
13 A" 1131 1046 0.26 4.78 0.75 0.86
14 A" 730 675 64.37 7.49 0.75 0.86
15 A" 578 535 0.02 0.04 0.75 0.86
16 A" 364 337 5.27 1.99 0.75 0.86
17 A" 346 320 1.18 1.47 0.75 0.86
18 A" 121 112 0.00 8.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8831.3 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 8170.7 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 BLYP/STO-3G
ABC
0.08844 0.08637 0.04392

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.032 -0.041 0.000
C2 -0.032 1.332 0.000
N3 0.260 2.570 0.000
C4 -0.032 -0.779 1.272
C5 -0.032 -0.779 -1.272
N6 -0.032 -1.401 2.320
N7 -0.032 -1.401 -2.320
H8 -0.597 3.236 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.37262.62751.47071.47072.68972.68973.3254
C21.37261.27262.46442.46443.58513.58511.9865
N32.62751.27263.59463.59464.60904.60901.0854
C41.47072.46443.59462.54421.21913.64604.2496
C51.47072.46443.59462.54423.64601.21914.2496
N62.68973.58514.60901.21913.64604.64085.2162
N72.68973.58514.60903.64601.21914.64085.2162
H83.32541.98651.08544.24964.24965.21625.2162

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 166.731 C1 C4 N6 179.430
C1 C5 N7 179.430 C2 C1 C4 120.123
C2 C1 C5 120.123 C2 N3 H8 114.573
C4 C1 C5 119.755
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 C 0.165      
3 N -0.213      
4 C 0.077      
5 C 0.077      
6 N -0.150      
7 N -0.150      
8 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.315 4.140 0.000 4.343
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.894 -4.345 0.000
y -4.345 -32.653 0.000
z 0.000 0.000 -46.203
Traceless
 xyz
x 4.534 -4.345 0.000
y -4.345 7.896 0.000
z 0.000 0.000 -12.430
Polar
3z2-r2-24.860
x2-y2-2.241
xy-4.345
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.555 -0.069 0.000
y -0.069 9.466 0.000
z 0.000 0.000 6.297


<r2> (average value of r2) Å2
<r2> 221.486
(<r2>)1/2 14.882