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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-264.402496
Energy at 298.15K-264.406386
HF Energy-264.402496
Nuclear repulsion energy179.410143
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 B3LYP/aug-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 2955 0.00      
2 Ag 2360 2283 0.00      
3 Ag 1473 1425 0.00      
4 Ag 1382 1337 0.00      
5 Ag 1016 982 0.00      
6 Ag 968 936 0.00      
7 Ag 516 499 0.00      
8 Ag 223 216 0.00      
9 Au 3105 3004 0.21      
10 Au 1216 1176 0.00      
11 Au 772 747 2.96      
12 Au 399 386 0.39      
13 Au 76 74 23.23      
14 Bg 3086 2986 0.00      
15 Bg 1319 1276 0.00      
16 Bg 1040 1006 0.00      
17 Bg 363 351 0.00      
18 Bu 3064 2964 1.69      
19 Bu 2361 2284 13.08      
20 Bu 1482 1433 15.21      
21 Bu 1298 1256 2.89      
22 Bu 932 902 4.01      
23 Bu 531 513 0.71      
24 Bu 131 127 24.42      

Unscaled Zero Point Vibrational Energy (zpe) 16082.2 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 15559.5 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 B3LYP/aug-cc-pVTZ
ABC
0.85824 0.04960 0.04772

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.423 0.646 0.000
C2 -0.423 -0.646 0.000
C3 -0.423 1.834 0.000
C4 0.423 -1.834 0.000
N5 1.113 -2.754 0.000
N6 -1.113 2.754 0.000
H7 1.069 0.673 0.878
H8 1.069 0.673 -0.878
H9 -1.069 -0.673 0.878
H10 -1.069 -0.673 -0.878

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.54551.45852.48053.46982.60811.09031.09032.17732.1773
C21.54552.48051.45852.60813.46982.17732.17731.09031.0903
C31.45852.48053.76454.83851.14992.08472.08472.73402.7340
C42.48051.45853.76451.14994.83852.73402.73402.08472.0847
N53.46982.60814.83851.14995.94093.53833.53833.14053.1405
N62.60813.46981.14994.83855.94093.14053.14053.53833.5383
H71.09032.17732.08472.73403.53833.14051.75612.52713.0774
H81.09032.17732.08472.73403.53833.14051.75613.07742.5271
H92.17731.09032.73402.08473.14053.53832.52713.07741.7561
H102.17731.09032.73402.08473.14053.53833.07742.52711.7561

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 111.292 C1 C2 H9 110.188
C1 C2 H10 110.188 C1 C3 N6 178.631
C2 C1 C3 111.292 C2 C1 H7 110.188
C2 C1 H8 110.188 C2 C4 N5 178.631
C3 C1 H7 108.896 C3 C1 H8 108.896
C4 C2 H9 108.896 C4 C2 H10 108.896
H7 C1 H8 107.279 H9 C2 H10 107.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability