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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-170.541954
Energy at 298.15K-170.544337
HF Energy-169.823866
Nuclear repulsion energy90.242523
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3307 3140 0.49      
2 A' 3248 3084 1.01      
3 A' 3219 3056 0.01      
4 A' 2210 2098 1.02      
5 A' 1684 1599 3.84      
6 A' 1467 1392 5.81      
7 A' 1328 1261 0.18      
8 A' 1118 1062 1.82      
9 A' 893 848 0.76      
10 A' 563 534 0.08      
11 A' 229 217 2.92      
12 A" 1031 979 25.26      
13 A" 1005 954 32.14      
14 A" 725 688 9.50      
15 A" 350 332 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 11187.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 10621.5 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 MP2=FULL/cc-pVTZ
ABC
1.68911 0.16613 0.15125

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.571 -0.530 0.000
N2 -1.071 -1.580 0.000
C3 0.000 0.776 0.000
H4 -0.696 1.596 0.000
C5 1.315 0.976 0.000
H6 2.009 0.154 0.000
H7 1.716 1.975 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16291.42582.13002.41422.66943.3918
N21.16292.58833.19833.49723.53484.5170
C31.42582.58831.07521.33052.10322.0930
H42.13003.19831.07522.10443.06512.4411
C52.41423.49721.33052.10441.07581.0756
H62.66943.53482.10323.06511.07581.8439
H73.39184.51702.09302.44111.07561.8439

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.079 C1 C3 C5 122.261
N2 C1 C3 178.147 C3 C5 H6 121.503
C3 C5 H7 120.518 H4 C3 C5 121.660
H6 C5 H7 117.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability