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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: B1B95/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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-264.220055
Energy at 298.15K-264.223928
Nuclear repulsion energy 
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 B1B95/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 3098 2968 0.00      
2 Ag 2387 2286 0.00      
3 Ag 1444 1384 0.00      
4 Ag 1369 1312 0.00      
5 Ag 1055 1011 0.00      
6 Ag 980 939 0.00      
7 Ag 519 497 0.00      
8 Ag 221 212 0.00      
9 Au 3163 3030 0.02      
10 Au 1193 1143 0.00      
11 Au 758 726 3.06      
12 Au 396 379 0.22      
13 Au 77 73 22.83      
14 Bg 3145 3012 0.00      
15 Bg 1299 1245 0.00      
16 Bg 1019 976 0.00      
17 Bg 360 345 0.00      
18 Bu 3107 2976 1.30      
19 Bu 2388 2288 14.10      
20 Bu 1451 1390 16.31      
21 Bu 1263 1210 2.83      
22 Bu 955 915 3.72      
23 Bu 525 503 0.88      
24 Bu 129 123 24.00      

Unscaled Zero Point Vibrational Energy (zpe) 16150.0 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 15470.1 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 B1B95/aug-cc-pVDZ
ABC
0.85943 0.04964 0.04776

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.423 0.641 0.000
C2 -0.423 -0.641 0.000
C3 -0.423 1.829 0.000
C4 0.423 -1.829 0.000
N5 1.110 -2.760 0.000
N6 -1.110 2.760 0.000
H7 1.070 0.669 0.883
H8 1.070 0.669 -0.883
H9 -1.070 -0.669 0.883
H10 -1.070 -0.669 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.53621.45762.47063.46992.61451.09491.09492.17372.1737
C21.53622.47061.45762.61453.46992.17372.17371.09491.0949
C31.45762.47063.75464.83801.15692.08602.08602.72792.7279
C42.47061.45763.75461.15694.83802.72792.72792.08602.0860
N53.46992.61454.83801.15695.94913.54123.54123.14643.1464
N62.61453.46991.15694.83805.94913.14643.14643.54123.5412
H71.09492.17372.08602.72793.54123.14641.76512.52433.0802
H81.09492.17372.08602.72793.54123.14641.76513.08022.5243
H92.17371.09492.72792.08603.14643.54122.52433.08021.7651
H102.17371.09492.72792.08603.14643.54123.08022.52431.7651

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 111.199 C1 C2 H9 110.282
C1 C2 H10 110.282 C1 C3 N6 178.974
C2 C1 C3 111.199 C2 C1 H7 110.282
C2 C1 H8 110.282 C2 C4 N5 178.974
C3 C1 H7 108.780 C3 C1 H8 108.780
C4 C2 H9 108.780 C4 C2 H10 108.780
H7 C1 H8 107.418 H9 C2 H10 107.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.767      
2 C 0.767      
3 C -0.095      
4 C -0.095      
5 N -0.248      
6 N -0.248      
7 H -0.212      
8 H -0.212      
9 H -0.212      
10 H -0.212      


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 -37.592 11.796 0.000
y 11.796 -56.550 0.000
z 0.000 0.000 -33.034
Traceless
 xyz
x 7.201 11.796 0.000
y 11.796 -21.237 0.000
z 0.000 0.000 14.037
Polar
3z2-r228.073
x2-y218.958
xy11.796
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.756 -2.223 0.000
y -2.223 10.842 0.000
z 0.000 0.000 6.116


<r2> (average value of r2) Å2
<r2> 209.209
(<r2>)1/2 14.464