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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-263.589225
Energy at 298.15K-263.593096
HF Energy-262.700249
Nuclear repulsion energy178.834826
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 MP3=FULL/6-31+G**
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 3166 2949 0.00      
2 Ag 2446 2279 0.00      
3 Ag 1530 1425 0.00      
4 Ag 1447 1348 0.00      
5 Ag 1076 1003 0.00      
6 Ag 994 926 0.00      
7 Ag 517 482 0.00      
8 Ag 221 206 0.00      
9 Au 3232 3011 0.74      
10 Au 1240 1155 0.12      
11 Au 787 733 1.38      
12 Au 385 359 0.05      
13 Au 78 72 22.11      
14 Bg 3214 2995 0.00      
15 Bg 1353 1260 0.00      
16 Bg 1071 998 0.00      
17 Bg 349 325 0.00      
18 Bu 3173 2956 3.10      
19 Bu 2447 2279 4.25      
20 Bu 1536 1431 12.59      
21 Bu 1334 1243 2.26      
22 Bu 958 892 8.48      
23 Bu 519 484 1.37      
24 Bu 130 121 23.11      

Unscaled Zero Point Vibrational Energy (zpe) 16601.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 15465.5 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 MP3=FULL/6-31+G**
ABC
0.85459 0.04935 0.04748

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.426 0.640 0.000
C2 -0.426 -0.640 0.000
C3 -0.426 1.837 0.000
C4 0.426 -1.837 0.000
N5 1.121 -2.764 0.000
N6 -1.121 2.764 0.000
H7 1.066 0.668 0.879
H8 1.066 0.668 -0.879
H9 -1.066 -0.668 0.879
H10 -1.066 -0.668 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.53781.46952.47713.47402.62761.08761.08762.17052.1705
C21.53782.47711.46952.62763.47402.17052.17051.08761.0876
C31.46952.47713.77184.85411.15832.08962.08962.73102.7310
C42.47711.46953.77181.15834.85412.73102.73102.08962.0896
N53.47402.62764.85411.15835.96503.54303.54303.15423.1542
N62.62763.47401.15834.85415.96503.15423.15423.54303.5430
H71.08762.17052.08962.73103.54303.15421.75752.51683.0697
H81.08762.17052.08962.73103.54303.15421.75753.06972.5168
H92.17051.08762.73102.08963.15423.54302.51683.06971.7575
H102.17051.08762.73102.08963.15423.54303.06972.51681.7575

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 110.891 C1 C2 H9 110.352
C1 C2 H10 110.352 C1 C3 N6 178.581
C2 C1 C3 110.891 C2 C1 H7 110.352
C2 C1 H8 110.352 C2 C4 N5 178.581
C3 C1 H7 108.683 C3 C1 H8 108.683
C4 C2 H9 108.683 C4 C2 H10 108.683
H7 C1 H8 107.797 H9 C2 H10 107.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability