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All results from a given calculation for C3H3N (acrylonitrile)

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 CS 1A'
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-170.431466
Energy at 298.15K-170.433811
HF Energy-169.797656
Nuclear repulsion energy89.635936
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
(Å4/u)
Dep P Dep U
1 A' 3305 3131 1.99      
2 A' 3232 3061 1.18      
3 A' 3200 3030 0.21      
4 A' 2193 2077 2.52      
5 A' 1676 1588 3.85      
6 A' 1464 1387 6.42      
7 A' 1335 1264 0.14      
8 A' 1125 1065 3.51      
9 A' 888 841 0.68      
10 A' 572 542 0.02      
11 A' 233 220 2.45      
12 A" 1004 950 34.26      
13 A" 948 898 37.78      
14 A" 699 662 11.56      
15 A" 342 324 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 11107.8 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 10520.2 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
1.64449 0.16440 0.14946

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.586 -0.523 0.000
N2 -1.076 -1.591 0.000
C3 0.000 0.785 0.000
H4 -0.687 1.625 0.000
C5 1.329 0.972 0.000
H6 2.020 0.136 0.000
H7 1.743 1.973 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.17551.43262.15032.42912.68843.4135
N21.17552.60813.24003.51443.54544.5441
C31.43262.60811.08561.34202.12152.1094
H42.15033.24001.08562.11913.08932.4542
C52.42913.51441.34202.11911.08401.0836
H62.68843.54542.12153.08931.08401.8574
H73.41354.54412.10942.45421.08361.8574

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.603 C1 C3 C5 122.162
N2 C1 C3 179.532 C3 C5 H6 121.604
C3 C5 H7 120.458 H4 C3 C5 121.235
H6 C5 H7 117.938
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability