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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-264.245537
Energy at 298.15K-264.249422
Nuclear repulsion energy176.897015
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 B3LYP/LANL2DZ
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 3078 2958 0.00      
2 Ag 2286 2197 0.00      
3 Ag 1503 1444 0.00      
4 Ag 1391 1337 0.00      
5 Ag 1042 1002 0.00      
6 Ag 970 932 0.00      
7 Ag 510 490 0.00      
8 Ag 228 219 0.00      
9 Au 3150 3028 7.05      
10 Au 1225 1178 0.16      
11 Au 788 757 4.19      
12 Au 405 389 1.78      
13 Au 77 74 21.68      
14 Bg 3129 3007 0.00      
15 Bg 1321 1270 0.00      
16 Bg 1057 1016 0.00      
17 Bg 368 354 0.00      
18 Bu 3085 2965 8.32      
19 Bu 2289 2200 10.41      
20 Bu 1507 1449 29.79      
21 Bu 1323 1272 2.31      
22 Bu 938 901 10.25      
23 Bu 528 508 6.62      
24 Bu 134 129 19.48      

Unscaled Zero Point Vibrational Energy (zpe) 16164.9 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 15537.7 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 B3LYP/LANL2DZ
ABC
0.84751 0.04821 0.04641

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.780 0.000
C2 0.000 -0.780 0.000
C3 -1.372 1.313 0.000
C4 1.372 -1.313 0.000
N5 2.475 -1.733 0.000
N6 -2.475 1.733 0.000
H7 0.530 1.155 0.883
H8 0.530 1.155 -0.883
H9 -0.530 -1.155 0.883
H10 -0.530 -1.155 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.55921.47192.50223.52652.65191.09661.09662.19192.1919
C21.55922.50221.47192.65193.52652.19192.19191.09661.0966
C31.47192.50223.79794.90641.18002.10322.10322.75312.7531
C42.50221.47193.79791.18004.90642.75312.75312.10322.1032
N53.52652.65194.90641.18006.04213.59183.59183.18493.1849
N62.65193.52651.18004.90646.04213.18493.18493.59183.5918
H71.09662.19192.10322.75313.59183.18491.76672.54193.0955
H81.09662.19192.10322.75313.59183.18491.76673.09552.5419
H92.19191.09662.75312.10323.18493.59182.54193.09551.7667
H102.19191.09662.75312.10323.18493.59183.09552.54191.7667

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 111.248 C1 C2 H9 110.019
C1 C2 H10 110.019 C1 C3 N6 179.598
C2 C1 C3 111.248 C2 C1 H7 110.019
C2 C1 H8 110.019 C2 C4 N5 179.598
C3 C1 H7 109.067 C3 C1 H8 109.067
C4 C2 H9 109.067 C4 C2 H10 109.067
H7 C1 H8 107.329 H9 C2 H10 107.329
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.365      
2 C -0.365      
3 C -0.147      
4 C -0.147      
5 N -0.003      
6 N -0.003      
7 H 0.257      
8 H 0.257      
9 H 0.257      
10 H 0.257      


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 -54.705 13.965 0.000
y 13.965 -40.347 0.000
z 0.000 0.000 -32.980
Traceless
 xyz
x -18.042 13.965 0.000
y 13.965 3.495 0.000
z 0.000 0.000 14.547
Polar
3z2-r229.093
x2-y2-14.358
xy13.965
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.580 -2.364 0.000
y -2.364 6.222 0.000
z 0.000 0.000 4.563


<r2> (average value of r2) Å2
<r2> 214.576
(<r2>)1/2 14.648