return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: wB97X-D/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-264.219915
Energy at 298.15K-264.223843
HF Energy-264.219915
Nuclear repulsion energy178.867237
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/cc-pVDZ
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 3095 2948 0.00      
2 Ag 2404 2290 0.00      
3 Ag 1475 1405 0.00      
4 Ag 1409 1343 0.00      
5 Ag 1047 998 0.00      
6 Ag 982 935 0.00      
7 Ag 520 495 0.00      
8 Ag 224 214 0.00      
9 Au 3161 3011 0.04      
10 Au 1226 1168 0.00      
11 Au 774 738 3.07      
12 Au 405 385 0.01      
13 Au 85 81 23.63      
14 Bg 3144 2995 0.00      
15 Bg 1330 1267 0.00      
16 Bg 1040 990 0.00      
17 Bg 365 348 0.00      
18 Bu 3103 2956 2.02      
19 Bu 2405 2291 14.57      
20 Bu 1479 1409 18.63      
21 Bu 1309 1247 1.54      
22 Bu 945 900 6.57      
23 Bu 534 509 1.77      
24 Bu 132 126 24.38      

Unscaled Zero Point Vibrational Energy (zpe) 16296.3 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 15523.9 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/cc-pVDZ
ABC
0.85227 0.04942 0.04754

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

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 1.123 -2.758 0.000
N6 -1.123 2.758 0.000
H7 1.072 0.676 0.881
H8 1.072 0.676 -0.881
H9 -1.072 -0.676 0.881
H10 -1.072 -0.676 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.54551.46352.47973.47312.61961.09351.09352.18292.1829
C21.54552.47971.46352.61963.47312.18292.18291.09351.0935
C31.46352.47973.76734.84661.15632.08952.08952.73812.7381
C42.47971.46353.76731.15634.84662.73812.73812.08952.0895
N53.47312.61964.84661.15635.95493.54493.54493.15133.1513
N62.61963.47311.15634.84665.95493.15133.15133.54493.5449
H71.09352.18292.08952.73813.54493.15131.76302.53483.0876
H81.09352.18292.08952.73813.54493.15131.76303.08762.5348
H92.18291.09352.73812.08953.15133.54492.53483.08761.7630
H102.18291.09352.73812.08953.15133.54493.08762.53481.7630

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 110.963 C1 C2 H9 110.441
C1 C2 H10 110.441 C1 C3 N6 178.531
C2 C1 C3 110.963 C2 C1 H7 110.441
C2 C1 H8 110.441 C2 C4 N5 178.531
C3 C1 H7 108.737 C3 C1 H8 108.737
C4 C2 H9 108.737 C4 C2 H10 108.737
H7 C1 H8 107.427 H9 C2 H10 107.427
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.093      
2 C -0.093      
3 C 0.091      
4 C 0.091      
5 N -0.453      
6 N -0.453      
7 H 0.227      
8 H 0.227      
9 H 0.227      
10 H 0.227      


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 -37.748 12.058 0.000
y 12.058 -57.110 0.000
z 0.000 0.000 -33.148
Traceless
 xyz
x 7.381 12.058 0.000
y 12.058 -21.661 0.000
z 0.000 0.000 14.281
Polar
3z2-r228.561
x2-y219.361
xy12.058
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.247 -2.453 0.000
y -2.453 10.114 0.000
z 0.000 0.000 5.455


<r2> (average value of r2) Å2
<r2> 210.218
(<r2>)1/2 14.499