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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-264.216869
Energy at 298.15K-264.220635
HF Energy-264.216869
Nuclear repulsion energy178.814220
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 B97D3/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 2999 2960 0.00      
2 Ag 2282 2252 0.00      
3 Ag 1440 1421 0.00      
4 Ag 1341 1323 0.00      
5 Ag 988 975 0.00      
6 Ag 946 934 0.00      
7 Ag 505 498 0.00      
8 Ag 214 212 0.00      
9 Au 3054 3014 1.08      
10 Au 1183 1168 0.00      
11 Au 753 743 2.39      
12 Au 385 380 0.10      
13 Au 71 70 22.32      
14 Bg 3034 2995 0.00      
15 Bg 1286 1269 0.00      
16 Bg 1008 995 0.00      
17 Bg 348 344 0.00      
18 Bu 3009 2970 3.51      
19 Bu 2284 2254 9.78      
20 Bu 1448 1429 14.70      
21 Bu 1263 1246 2.91      
22 Bu 917 905 2.17      
23 Bu 517 510 1.23      
24 Bu 126 124 22.93      

Unscaled Zero Point Vibrational Energy (zpe) 15700.1 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 15496.0 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 B97D3/6-311+G(3df,2p)
ABC
0.84505 0.04946 0.04755

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.425 0.649 0.000
C2 -0.425 -0.649 0.000
C3 -0.425 1.835 0.000
C4 0.425 -1.835 0.000
N5 1.125 -2.758 0.000
N6 -1.125 2.758 0.000
H7 1.074 0.672 0.882
H8 1.074 0.672 -0.882
H9 -1.074 -0.672 0.882
H10 -1.074 -0.672 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.55181.45902.48373.47812.61731.09481.09482.18382.1838
C21.55182.48371.45902.61733.47812.18382.18381.09481.0948
C31.45902.48373.76664.84711.15852.09212.09212.73502.7350
C42.48371.45903.76661.15854.84712.73502.73502.09212.0921
N53.47812.61734.84711.15855.95713.54153.54153.15673.1567
N62.61733.47811.15854.84715.95713.15673.15673.54153.5415
H71.09482.18382.09212.73503.54153.15671.76312.53353.0866
H81.09482.18382.09212.73503.54153.15671.76313.08662.5335
H92.18381.09482.73502.09213.15673.54152.53353.08661.7631
H102.18381.09482.73502.09213.15673.54153.08662.53351.7631

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 111.161 C1 C2 H9 110.218
C1 C2 H10 110.218 C1 C3 N6 177.857
C2 C1 C3 111.161 C2 C1 H7 110.218
C2 C1 H8 110.218 C2 C4 N5 177.857
C3 C1 H7 108.971 C3 C1 H8 108.971
C4 C2 H9 108.971 C4 C2 H10 108.971
H7 C1 H8 107.204 H9 C2 H10 107.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.032      
2 C 0.032      
3 C 0.608      
4 C 0.608      
5 N -0.977      
6 N -0.977      
7 H 0.169      
8 H 0.169      
9 H 0.169      
10 H 0.169      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.775 11.868 0.000
y 11.868 -56.402 0.000
z 0.000 0.000 -33.176
Traceless
 xyz
x 7.014 11.868 0.000
y 11.868 -20.927 0.000
z 0.000 0.000 13.912
Polar
3z2-r227.825
x2-y218.627
xy11.868
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.039 -2.373 0.000
y -2.373 11.352 0.000
z 0.000 0.000 6.305


<r2> (average value of r2) Å2
<r2> 210.030
(<r2>)1/2 14.492