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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: BLYP/aug-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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-264.246746
Energy at 298.15K-264.250444
Nuclear repulsion energy176.974339
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 BLYP/aug-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 2984 2978 0.00      
2 Ag 2245 2241 0.00      
3 Ag 1408 1405 0.00      
4 Ag 1311 1308 0.00      
5 Ag 976 975 0.00      
6 Ag 934 932 0.00      
7 Ag 490 489 0.00      
8 Ag 212 212 0.00      
9 Au 3038 3032 1.03      
10 Au 1159 1157 0.01      
11 Au 741 739 2.14      
12 Au 371 370 0.04      
13 Au 73 73 21.65      
14 Bg 3020 3014 0.00      
15 Bg 1260 1258 0.00      
16 Bg 992 990 0.00      
17 Bg 338 337 0.00      
18 Bu 2993 2988 3.37      
19 Bu 2247 2243 8.06      
20 Bu 1416 1413 13.53      
21 Bu 1231 1229 3.52      
22 Bu 904 902 2.83      
23 Bu 500 499 1.71      
24 Bu 126 126 22.09      

Unscaled Zero Point Vibrational Energy (zpe) 15483.4 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 15454.0 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 BLYP/aug-cc-pVDZ
ABC
0.83754 0.04834 0.04650

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.427 0.655 0.000
C2 -0.427 -0.655 0.000
C3 -0.427 1.854 0.000
C4 0.427 -1.854 0.000
N5 1.126 -2.796 0.000
N6 -1.126 2.796 0.000
H7 1.081 0.678 0.890
H8 1.081 0.678 -0.890
H9 -1.081 -0.678 0.890
H10 -1.081 -0.678 -0.890

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.56431.47202.50903.52092.64451.10511.10512.20162.2016
C21.56432.50901.47202.64453.52092.20162.20161.10511.1051
C31.47202.50903.80494.90211.17262.10952.10952.76282.7628
C42.50901.47203.80491.17264.90212.76282.76282.10952.1095
N53.52092.64454.90211.17266.02773.58673.58673.18543.1854
N62.64453.52091.17264.90216.02773.18543.18543.58673.5867
H71.10512.20162.10952.76283.58673.18541.78072.55313.1127
H81.10512.20162.10952.76283.58673.18541.78073.11272.5531
H92.20161.10512.76282.10953.18543.58672.55313.11271.7807
H102.20161.10512.76282.10953.18543.58673.11272.55311.7807

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 111.412 C1 C2 H9 109.934
C1 C2 H10 109.934 C1 C3 N6 178.919
C2 C1 C3 111.412 C2 C1 H7 109.934
C2 C1 H8 109.934 C2 C4 N5 178.919
C3 C1 H7 109.055 C3 C1 H8 109.055
C4 C2 H9 109.055 C4 C2 H10 109.055
H7 C1 H8 107.354 H9 C2 H10 107.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.114      
2 C 1.114      
3 C -0.154      
4 C -0.154      
5 N -0.170      
6 N -0.170      
7 H -0.395      
8 H -0.395      
9 H -0.395      
10 H -0.395      


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 -38.354 11.916 0.000
y 11.916 -57.409 0.000
z 0.000 0.000 -33.688
Traceless
 xyz
x 7.195 11.916 0.000
y 11.916 -21.388 0.000
z 0.000 0.000 14.193
Polar
3z2-r228.386
x2-y219.055
xy11.916
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.251 -2.439 0.000
y -2.439 11.720 0.000
z 0.000 0.000 6.455


<r2> (average value of r2) Å2
<r2> 214.579
(<r2>)1/2 14.649