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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-264.404310
Energy at 298.15K-264.408158
HF Energy-264.404310
Nuclear repulsion energy179.133040
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 TPSSh/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 3054 2957 0.00      
2 Ag 2334 2260 0.00      
3 Ag 1478 1431 0.00      
4 Ag 1372 1329 0.00      
5 Ag 1013 981 0.00      
6 Ag 962 932 0.00      
7 Ag 514 497 0.00      
8 Ag 218 211 0.00      
9 Au 3109 3011 0.77      
10 Au 1206 1168 0.01      
11 Au 763 739 2.38      
12 Au 395 382 0.04      
13 Au 75 73 21.64      
14 Bg 3090 2992 0.00      
15 Bg 1315 1273 0.00      
16 Bg 1035 1002 0.00      
17 Bg 358 346 0.00      
18 Bu 3064 2967 2.62      
19 Bu 2336 2262 9.18      
20 Bu 1487 1440 13.79      
21 Bu 1287 1246 2.87      
22 Bu 928 899 3.50      
23 Bu 523 506 1.33      
24 Bu 127 123 22.19      

Unscaled Zero Point Vibrational Energy (zpe) 16021.3 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 15513.4 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 TPSSh/cc-pVTZ
ABC
0.85169 0.04956 0.04767

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.425 0.645 0.000
C2 -0.425 -0.645 0.000
C3 -0.425 1.834 0.000
C4 0.425 -1.834 0.000
N5 1.117 -2.756 0.000
N6 -1.117 2.756 0.000
H7 1.069 0.675 0.881
H8 1.069 0.675 -0.881
H9 -1.069 -0.675 0.881
H10 -1.069 -0.675 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.54471.46282.47903.47002.61481.09111.09112.17912.1791
C21.54472.47901.46282.61483.47002.17912.17911.09111.0911
C31.46282.47903.76624.84251.15222.08652.08652.73582.7358
C42.47901.46283.76621.15224.84252.73582.73582.08652.0865
N53.47002.61484.84251.15225.94733.54203.54203.14413.1441
N62.61483.47001.15224.84255.94733.14413.14413.54203.5420
H71.09112.17912.08652.73583.54203.14411.76192.52733.0809
H81.09112.17912.08652.73583.54203.14411.76193.08092.5273
H92.17911.09112.73582.08653.14413.54202.52733.08091.7619
H102.17911.09112.73582.08653.14413.54203.08092.52731.7619

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 111.002 C1 C2 H9 110.339
C1 C2 H10 110.339 C1 C3 N6 178.670
C2 C1 C3 111.002 C2 C1 H7 110.339
C2 C1 H8 110.339 C2 C4 N5 178.670
C3 C1 H7 108.697 C3 C1 H8 108.697
C4 C2 H9 108.697 C4 C2 H10 108.697
H7 C1 H8 107.680 H9 C2 H10 107.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.086      
2 C -0.086      
3 C -0.095      
4 C -0.095      
5 N -0.061      
6 N -0.061      
7 H 0.121      
8 H 0.121      
9 H 0.121      
10 H 0.121      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.222 -2.269 0.000
y -2.269 10.305 0.000
z 0.000 0.000 5.499


<r2> (average value of r2) Å2
<r2> 209.266
(<r2>)1/2 14.466