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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-264.206152
Energy at 298.15K-264.210082
HF Energy-264.206152
Nuclear repulsion energy 
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 wB97X-D/6-31G*
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 3101 2941 0.00      
2 Ag 2415 2291 0.00      
3 Ag 1499 1422 0.00      
4 Ag 1424 1351 0.00      
5 Ag 1051 997 0.00      
6 Ag 989 938 0.00      
7 Ag 524 497 0.00      
8 Ag 227 215 0.00      
9 Au 3164 3001 0.44      
10 Au 1240 1176 0.13      
11 Au 783 742 4.28      
12 Au 412 391 0.13      
13 Au 86 81 21.61      
14 Bg 3147 2985 0.00      
15 Bg 1343 1274 0.00      
16 Bg 1054 1000 0.00      
17 Bg 371 352 0.00      
18 Bu 3109 2949 2.70      
19 Bu 2416 2292 9.37      
20 Bu 1503 1425 16.55      
21 Bu 1323 1255 1.48      
22 Bu 950 901 6.81      
23 Bu 538 511 0.99      
24 Bu 134 127 22.82      

Unscaled Zero Point Vibrational Energy (zpe) 16400.6 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 15556.0 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 wB97X-D/6-31G*
ABC
0.85018 0.04947 0.04758

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.426 0.645 0.000
C2 -0.426 -0.645 0.000
C3 -0.426 1.835 0.000
C4 0.426 -1.835 0.000
N5 1.125 -2.755 0.000
N6 -1.125 2.755 0.000
H7 1.074 0.672 0.881
H8 1.074 0.672 -0.881
H9 -1.074 -0.672 0.881
H10 -1.074 -0.672 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.54531.46382.47933.47082.61931.09411.09412.18172.1817
C21.54532.47931.46382.61933.47082.18172.18171.09411.0941
C31.46382.47933.76724.84501.15572.09242.09242.73502.7350
C42.47931.46383.76721.15574.84502.73502.73502.09242.0924
N53.47082.61934.84501.15575.95213.53913.53913.15453.1545
N62.61933.47081.15574.84505.95213.15453.15453.53913.5391
H71.09412.18172.09242.73503.53913.15451.76292.53333.0864
H81.09412.18172.09242.73503.53913.15451.76293.08642.5333
H92.18171.09412.73502.09243.15453.53912.53333.08641.7629
H102.18171.09412.73502.09243.15453.53913.08642.53331.7629

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 110.933 C1 C2 H9 110.324
C1 C2 H10 110.324 C1 C3 N6 178.387
C2 C1 C3 110.933 C2 C1 H7 110.324
C2 C1 H8 110.324 C2 C4 N5 178.387
C3 C1 H7 108.914 C3 C1 H8 108.914
C4 C2 H9 108.914 C4 C2 H10 108.914
H7 C1 H8 107.342 H9 C2 H10 107.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.394      
2 C -0.394      
3 C 0.346      
4 C 0.346      
5 N -0.445      
6 N -0.445      
7 H 0.247      
8 H 0.247      
9 H 0.247      
10 H 0.247      


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 -36.800 11.482 0.000
y 11.482 -55.173 0.000
z 0.000 0.000 -32.369
Traceless
 xyz
x 6.971 11.482 0.000
y 11.482 -20.588 0.000
z 0.000 0.000 13.617
Polar
3z2-r227.235
x2-y218.372
xy11.482
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.303 -2.314 0.000
y -2.314 8.952 0.000
z 0.000 0.000 4.621


<r2> (average value of r2) Å2
<r2> 209.309
(<r2>)1/2 14.468