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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: wB97X-D/6-311G**

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/6-311G**
 hartrees
Energy at 0K-264.272276
Energy at 298.15K-264.276235
HF Energy-264.272276
Nuclear repulsion energy179.526644
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/6-311G**
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 3081 2947 0.00      
2 Ag 2406 2301 0.00      
3 Ag 1471 1407 0.00      
4 Ag 1405 1344 0.00      
5 Ag 1046 1001 0.00      
6 Ag 984 941 0.00      
7 Ag 526 503 0.00      
8 Ag 229 219 0.00      
9 Au 3142 3005 0.37      
10 Au 1227 1173 0.02      
11 Au 774 740 3.65      
12 Au 411 393 0.01      
13 Au 83 80 21.92      
14 Bg 3124 2988 0.00      
15 Bg 1329 1272 0.00      
16 Bg 1039 994 0.00      
17 Bg 371 355 0.00      
18 Bu 3089 2955 2.51      
19 Bu 2407 2302 10.68      
20 Bu 1476 1412 18.71      
21 Bu 1305 1248 1.40      
22 Bu 946 905 5.81      
23 Bu 543 519 0.99      
24 Bu 134 128 22.74      

Unscaled Zero Point Vibrational Energy (zpe) 16272.9 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 15565.1 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/6-311G**
ABC
0.85519 0.04978 0.04788

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.425 0.644 0.000
C2 -0.425 -0.644 0.000
C3 -0.425 1.831 0.000
C4 0.425 -1.831 0.000
N5 1.121 -2.745 0.000
N6 -1.121 2.745 0.000
H7 1.071 0.674 0.880
H8 1.071 0.674 -0.880
H9 -1.071 -0.674 0.880
H10 -1.071 -0.674 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.54321.45962.47503.45942.60811.09211.09212.17922.1792
C21.54322.47501.45962.60813.45942.17922.17921.09211.0921
C31.45962.47503.75904.82951.14872.08562.08562.73242.7324
C42.47501.45963.75901.14874.82952.73242.73242.08562.0856
N53.45942.60814.82951.14875.92943.53043.53043.14103.1410
N62.60813.45941.14874.82955.92943.14103.14103.53043.5304
H71.09212.17922.08562.73243.53043.14101.76042.53033.0824
H81.09212.17922.08562.73243.53043.14101.76043.08242.5303
H92.17921.09212.73242.08563.14103.53042.53033.08241.7604
H102.17921.09212.73242.08563.14103.53043.08242.53031.7604

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 110.985 C1 C2 H9 110.395
C1 C2 H10 110.395 C1 C3 N6 178.296
C2 C1 C3 110.985 C2 C1 H7 110.395
C2 C1 H8 110.395 C2 C4 N5 178.296
C3 C1 H7 108.782 C3 C1 H8 108.782
C4 C2 H9 108.782 C4 C2 H10 108.782
H7 C1 H8 107.409 H9 C2 H10 107.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.210      
2 C -0.210      
3 C 0.044      
4 C 0.044      
5 N -0.225      
6 N -0.225      
7 H 0.195      
8 H 0.195      
9 H 0.195      
10 H 0.195      


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 -37.238 11.555 0.000
y 11.555 -55.802 0.000
z 0.000 0.000 -32.802
Traceless
 xyz
x 7.064 11.555 0.000
y 11.555 -20.782 0.000
z 0.000 0.000 13.718
Polar
3z2-r227.436
x2-y218.564
xy11.555
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.660 -2.224 0.000
y -2.224 9.337 0.000
z 0.000 0.000 4.930


<r2> (average value of r2) Å2
<r2> 208.493
(<r2>)1/2 14.439