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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-170.298167
Energy at 298.15K-170.300489
HF Energy-169.761641
Nuclear repulsion energy89.430093
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 MP2/6-31G*
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' 3330 3140 1.95      
2 A' 3255 3069 1.07      
3 A' 3229 3045 0.07      
4 A' 2201 2075 1.95      
5 A' 1698 1601 2.69      
6 A' 1483 1398 4.05      
7 A' 1350 1273 0.20      
8 A' 1135 1070 3.09      
9 A' 896 845 0.58      
10 A' 567 535 0.02      
11 A' 230 217 2.88      
12 A" 1014 956 32.07      
13 A" 964 909 30.93      
14 A" 696 657 9.83      
15 A" 333 314 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 11190.3 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 10552.5 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 MP2/6-31G*
ABC
1.64348 0.16361 0.14879

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -0.786 0.000
N2 0.454 -1.871 0.000
C3 -0.582 0.529 0.000
H4 -1.667 0.571 0.000
C5 0.170 1.641 0.000
H6 1.254 1.602 0.000
H7 -0.293 2.622 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.17631.43832.14972.43342.69713.4210
N21.17632.61443.23483.52413.56394.5552
C31.43832.61441.08641.34192.12592.1127
H42.14973.23481.08642.12593.09772.4688
C52.43343.52411.34192.12591.08511.0847
H62.69713.56392.12593.09771.08511.8536
H73.42104.55522.11272.46881.08471.8536

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.047 C1 C3 C5 122.110
N2 C1 C3 178.853 C3 C5 H6 121.949
C3 C5 H7 120.696 H4 C3 C5 121.843
H6 C5 H7 117.355
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability