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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-264.217890
Energy at 298.15K-264.221674
HF Energy-264.217890
Nuclear repulsion energy178.683681
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 B97D3/TZVP
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 3008 2965 0.00      
2 Ag 2292 2259 0.00      
3 Ag 1444 1423 0.00      
4 Ag 1349 1329 0.00      
5 Ag 989 975 0.00      
6 Ag 950 936 0.00      
7 Ag 506 499 0.00      
8 Ag 216 213 0.00      
9 Au 3064 3020 1.39      
10 Au 1191 1174 0.00      
11 Au 758 747 2.69      
12 Au 388 383 0.01      
13 Au 71 70 21.60      
14 Bg 3045 3001 0.00      
15 Bg 1292 1274 0.00      
16 Bg 1014 1000 0.00      
17 Bg 349 344 0.00      
18 Bu 3019 2975 4.47      
19 Bu 2294 2261 8.35      
20 Bu 1452 1431 16.23      
21 Bu 1269 1251 1.50      
22 Bu 918 905 2.67      
23 Bu 519 512 2.24      
24 Bu 127 125 21.33      

Unscaled Zero Point Vibrational Energy (zpe) 15762.0 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 15535.0 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 B97D3/TZVP
ABC
0.84595 0.04937 0.04747

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.425 0.649 0.000
C2 -0.425 -0.649 0.000
C3 -0.425 1.836 0.000
C4 0.425 -1.836 0.000
N5 1.123 -2.762 0.000
N6 -1.123 2.762 0.000
H7 1.074 0.673 0.882
H8 1.074 0.673 -0.882
H9 -1.074 -0.673 0.882
H10 -1.074 -0.673 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.55201.45922.48503.48202.61901.09581.09582.18472.1847
C21.55202.48501.45922.61903.48202.18472.18471.09581.0958
C31.45922.48503.76844.85121.16002.09252.09252.73702.7370
C42.48501.45923.76841.16004.85122.73702.73702.09252.0925
N53.48202.61904.85121.16005.96313.54633.54633.15793.1579
N62.61903.48201.16004.85125.96313.15793.15793.54633.5463
H71.09582.18472.09252.73703.54633.15791.76502.53463.0886
H81.09582.18472.09252.73703.54633.15791.76503.08862.5346
H92.18471.09582.73702.09253.15793.54632.53463.08861.7650
H102.18471.09582.73702.09253.15793.54633.08862.53461.7650

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 111.192 C1 C2 H9 110.004
C1 C2 H10 110.004 C1 C3 N6 178.596
C2 C1 C3 111.192 C2 C1 H7 110.004
C2 C1 H8 110.004 C2 C4 N5 178.596
C3 C1 H7 109.135 C3 C1 H8 109.135
C4 C2 H9 109.135 C4 C2 H10 109.135
H7 C1 H8 107.280 H9 C2 H10 107.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.269      
2 C -0.269      
3 C -0.006      
4 C -0.006      
5 N -0.066      
6 N -0.066      
7 H 0.171      
8 H 0.171      
9 H 0.171      
10 H 0.171      


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 -37.607 11.707 0.000
y 11.707 -56.276 0.000
z 0.000 0.000 -33.049
Traceless
 xyz
x 7.055 11.707 0.000
y 11.707 -20.947 0.000
z 0.000 0.000 13.892
Polar
3z2-r227.784
x2-y218.668
xy11.707
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.307 -2.584 0.000
y -2.584 10.470 0.000
z 0.000 0.000 5.404


<r2> (average value of r2) Å2
<r2> 210.250
(<r2>)1/2 14.500