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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: wB97X-D/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-264.300652
Energy at 298.15K-264.304595
HF Energy-264.300652
Nuclear repulsion energy179.866845
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/aug-cc-pVTZ
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 3085 2951 0.00      
2 Ag 2401 2297 0.00      
3 Ag 1468 1404 0.00      
4 Ag 1405 1344 0.00      
5 Ag 1042 997 0.00      
6 Ag 979 937 0.00      
7 Ag 525 502 0.00      
8 Ag 227 217 0.00      
9 Au 3144 3008 0.02      
10 Au 1227 1174 0.00      
11 Au 770 737 3.16      
12 Au 404 386 0.31      
13 Au 84 80 23.69      
14 Bg 3126 2991 0.00      
15 Bg 1331 1273 0.00      
16 Bg 1039 994 0.00      
17 Bg 366 350 0.00      
18 Bu 3094 2959 1.15      
19 Bu 2402 2298 14.52      
20 Bu 1475 1411 17.50      
21 Bu 1308 1251 2.27      
22 Bu 942 901 4.54      
23 Bu 540 517 0.56      
24 Bu 132 126 24.81      

Unscaled Zero Point Vibrational Energy (zpe) 16258.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 15552.6 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/aug-cc-pVTZ
ABC
0.85651 0.04998 0.04806

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.425 0.643 0.000
C2 -0.425 -0.643 0.000
C3 -0.425 1.828 0.000
C4 0.425 -1.828 0.000
N5 1.122 -2.737 0.000
N6 -1.122 2.737 0.000
H7 1.069 0.672 0.878
H8 1.069 0.672 -0.878
H9 -1.069 -0.672 0.878
H10 -1.069 -0.672 -0.878

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.54041.45822.47043.45112.60391.08931.08932.17462.1746
C21.54042.47041.45822.60393.45112.17462.17461.08931.0893
C31.45822.47043.75304.82001.14612.08262.08262.72662.7266
C42.47041.45823.75301.14614.82002.72662.72662.08262.0826
N53.45112.60394.82001.14615.91673.52083.52083.13633.1363
N62.60393.45111.14614.82005.91673.13633.13633.52083.5208
H71.08932.17462.08262.72663.52083.13631.75602.52473.0754
H81.08932.17462.08262.72663.52083.13631.75603.07542.5247
H92.17461.08932.72662.08263.13633.52082.52473.07541.7560
H102.17461.08932.72662.08263.13633.52083.07542.52471.7560

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 110.915 C1 C2 H9 110.395
C1 C2 H10 110.395 C1 C3 N6 178.138
C2 C1 C3 110.915 C2 C1 H7 110.395
C2 C1 H8 110.395 C2 C4 N5 178.138
C3 C1 H7 108.813 C3 C1 H8 108.813
C4 C2 H9 108.813 C4 C2 H10 108.813
H7 C1 H8 107.421 H9 C2 H10 107.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.025      
2 C 0.025      
3 C 0.141      
4 C 0.141      
5 N -0.598      
6 N -0.598      
7 H 0.216      
8 H 0.216      
9 H 0.216      
10 H 0.216      


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 -37.565 11.925 0.000
y 11.925 -56.403 0.000
z 0.000 0.000 -32.902
Traceless
 xyz
x 7.087 11.925 0.000
y 11.925 -21.169 0.000
z 0.000 0.000 14.081
Polar
3z2-r228.163
x2-y218.837
xy11.925
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.757 -2.103 0.000
y -2.103 10.616 0.000
z 0.000 0.000 6.181


<r2> (average value of r2) Å2
<r2> 208.004
(<r2>)1/2 14.422