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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-263.712201
Energy at 298.15K-263.716069
HF Energy-262.736224
Nuclear repulsion energy178.422799
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 MP2=FULL/6-311G*
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 3114 2949 0.00      
2 Ag 2207 2090 0.00      
3 Ag 1515 1435 0.00      
4 Ag 1411 1336 0.00      
5 Ag 1064 1008 0.00      
6 Ag 985 933 0.00      
7 Ag 516 488 0.00      
8 Ag 220 209 0.00      
9 Au 3182 3014 0.33      
10 Au 1244 1178 0.04      
11 Au 779 738 3.25      
12 Au 391 370 0.00      
13 Au 80 76 19.61      
14 Bg 3164 2997 0.00      
15 Bg 1350 1279 0.00      
16 Bg 1060 1004 0.00      
17 Bg 351 332 0.00      
18 Bu 3122 2957 2.55      
19 Bu 2211 2094 2.88      
20 Bu 1521 1440 18.96      
21 Bu 1309 1240 1.22      
22 Bu 946 896 4.54      
23 Bu 522 494 1.42      
24 Bu 129 123 20.30      

Unscaled Zero Point Vibrational Energy (zpe) 16196.0 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 15339.2 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 MP2=FULL/6-311G*
ABC
0.84478 0.04939 0.04749

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.770 0.000
C2 0.000 -0.770 0.000
C3 -1.369 1.284 0.000
C4 1.369 -1.284 0.000
N5 2.477 -1.669 0.000
N6 -2.477 1.669 0.000
H7 0.525 1.148 0.881
H8 0.525 1.148 -0.881
H9 -0.525 -1.148 0.881
H10 -0.525 -1.148 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.54001.46202.46833.47592.63501.09271.09272.17462.1746
C21.54002.46831.46202.63503.47592.17462.17461.09271.0927
C31.46202.46833.75344.84841.17322.09272.09272.72062.7206
C42.46831.46203.75341.17324.84842.72062.72062.09272.0927
N53.47592.63504.84841.17325.97323.53813.53813.17153.1715
N62.63503.47591.17324.84845.97323.17153.17153.53813.5381
H71.09272.17462.09272.72063.53813.17151.76152.52413.0780
H81.09272.17462.09272.72063.53813.17151.76153.07802.5241
H92.17461.09272.72062.09273.17153.53812.52413.07801.7615
H102.17461.09272.72062.09273.17153.53813.07802.52411.7615

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 110.591 C1 C2 H9 110.223
C1 C2 H10 110.223 C1 C3 N6 178.536
C2 C1 C3 110.591 C2 C1 H7 110.223
C2 C1 H8 110.223 C2 C4 N5 178.536
C3 C1 H7 109.154 C3 C1 H8 109.154
C4 C2 H9 109.154 C4 C2 H10 109.154
H7 C1 H8 107.428 H9 C2 H10 107.428
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability