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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-264.246071
Energy at 298.15K-264.249953
Nuclear repulsion energy176.863412
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/SDD
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 3077 2958 0.00      
2 Ag 2284 2196 0.00      
3 Ag 1502 1444 0.00      
4 Ag 1391 1337 0.00      
5 Ag 1042 1002 0.00      
6 Ag 969 932 0.00      
7 Ag 509 490 0.00      
8 Ag 228 219 0.00      
9 Au 3150 3028 7.10      
10 Au 1225 1178 0.16      
11 Au 788 757 4.19      
12 Au 404 388 1.76      
13 Au 76 73 21.64      
14 Bg 3128 3007 0.00      
15 Bg 1321 1270 0.00      
16 Bg 1057 1016 0.00      
17 Bg 367 353 0.00      
18 Bu 3085 2966 8.40      
19 Bu 2287 2198 10.33      
20 Bu 1507 1449 29.77      
21 Bu 1323 1272 2.24      
22 Bu 937 901 10.19      
23 Bu 528 507 6.56      
24 Bu 134 128 19.44      

Unscaled Zero Point Vibrational Energy (zpe) 16159.1 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 15533.8 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 B3LYP/SDD
ABC
0.84740 0.04819 0.04639

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

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
C11.55931.47222.50273.52732.65251.09661.09662.19202.1920
C21.55932.50271.47222.65253.52732.19202.19201.09661.0966
C31.47222.50273.79874.90751.18032.10342.10342.75362.7536
C42.50271.47223.79871.18034.90752.75362.75362.10342.1034
N53.52732.65254.90751.18036.04353.59253.59253.18553.1855
N62.65253.52731.18034.90756.04353.18553.18553.59253.5925
H71.09662.19202.10342.75363.59253.18551.76672.54203.0956
H81.09662.19202.10342.75363.59253.18551.76673.09562.5420
H92.19201.09662.75362.10343.18553.59252.54203.09561.7667
H102.19201.09662.75362.10343.18553.59253.09562.54201.7667

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 111.259 C1 C2 H9 110.019
C1 C2 H10 110.019 C1 C3 N6 179.585
C2 C1 C3 111.259 C2 C1 H7 110.019
C2 C1 H8 110.019 C2 C4 N5 179.585
C3 C1 H7 109.063 C3 C1 H8 109.063
C4 C2 H9 109.063 C4 C2 H10 109.063
H7 C1 H8 107.326 H9 C2 H10 107.326
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.364      
2 C -0.364      
3 C -0.154      
4 C -0.154      
5 N 0.006      
6 N 0.006      
7 H 0.256      
8 H 0.256      
9 H 0.256      
10 H 0.256      


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 -54.709 13.960 0.000
y 13.960 -40.355 0.000
z 0.000 0.000 -32.987
Traceless
 xyz
x -18.038 13.960 0.000
y 13.960 3.493 0.000
z 0.000 0.000 14.546
Polar
3z2-r229.091
x2-y2-14.354
xy13.960
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.596 -2.369 0.000
y -2.369 6.238 0.000
z 0.000 0.000 4.574


<r2> (average value of r2) Å2
<r2> 214.659
(<r2>)1/2 14.651