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All results from a given calculation for C3H3N (acrylonitrile)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-170.378563
Energy at 298.15K-170.380900
HF Energy-169.802916
Nuclear repulsion energy89.570041
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 MP2/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3302 3138 1.76      
2 A' 3230 3069 1.27      
3 A' 3196 3036 0.12      
4 A' 2188 2079 3.20      
5 A' 1666 1583 3.98      
6 A' 1452 1380 4.68      
7 A' 1320 1254 0.19      
8 A' 1110 1054 2.48      
9 A' 883 839 0.87      
10 A' 565 537 0.06      
11 A' 231 219 2.56      
12 A" 1007 956 31.02      
13 A" 949 901 30.66      
14 A" 693 659 9.82      
15 A" 338 321 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 11064.4 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 10513.4 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 MP2/6-311G**
ABC
1.64375 0.16411 0.14922

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.586 -0.524 0.000
N2 -1.077 -1.593 0.000
C3 0.000 0.786 0.000
H4 -0.688 1.625 0.000
C5 1.330 0.973 0.000
H6 2.018 0.135 0.000
H7 1.741 1.976 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.17631.43432.15102.43122.68633.4154
N21.17632.61063.24103.51793.54474.5473
C31.43432.61061.08551.34302.12052.1094
H42.15103.24101.08552.12073.08952.4548
C52.43123.51791.34302.12071.08451.0841
H62.68633.54472.12053.08951.08451.8617
H73.41544.54732.10942.45481.08411.8617

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.544 C1 C3 C5 122.141
N2 C1 C3 179.445 C3 C5 H6 121.374
C3 C5 H7 120.335 H4 C3 C5 121.315
H6 C5 H7 118.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability