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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-170.309584
Energy at 298.15K-170.311939
HF Energy-169.765777
Nuclear repulsion energy89.874314
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 MP3/6-31G*
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' 3323 3119 2.78      
2 A' 3262 3061 0.78      
3 A' 3230 3032 0.24      
4 A' 2437 2287 2.77      
5 A' 1735 1629 2.09      
6 A' 1489 1397 4.64      
7 A' 1357 1273 0.33      
8 A' 1143 1073 4.13      
9 A' 903 847 1.44      
10 A' 579 543 0.02      
11 A' 237 222 3.21      
12 A" 1012 950 33.24      
13 A" 977 917 29.83      
14 A" 699 656 10.65      
15 A" 341 320 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 11361.1 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 10663.5 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 MP3/6-31G*
ABC
1.64908 0.16507 0.15005

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.584 -0.531 0.000
N2 -1.073 -1.584 0.000
C3 0.000 0.787 0.000
H4 -0.695 1.620 0.000
C5 1.325 0.971 0.000
H6 2.019 0.137 0.000
H7 1.745 1.970 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16101.44152.15402.42902.68743.4178
N21.16102.60253.22663.50383.53844.5358
C31.44152.60251.08531.33762.12082.1084
H42.15403.22661.08532.12203.09302.4652
C52.42903.50381.33762.12201.08471.0842
H62.68743.53842.12083.09301.08471.8537
H73.41784.53582.10842.46521.08421.8537

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.245 C1 C3 C5 121.816
N2 C1 C3 179.037 C3 C5 H6 121.867
C3 C5 H7 120.693 H4 C3 C5 121.940
H6 C5 H7 117.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability