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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: G3MP2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3MP2
 hartrees
Energy at 0K-170.564230
Energy at 298.15K-170.559097
Nuclear repulsion energy 
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 HF/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' 3448 3248 4.22      
2 A' 3395 3198 1.43      
3 A' 3357 3163 2.70      
4 A' 2608 2458 26.08      
5 A' 1851 1744 0.17      
6 A' 1577 1486 7.66      
7 A' 1438 1355 1.66      
8 A' 1203 1134 4.28      
9 A' 934 880 3.26      
10 A' 631 595 0.25      
11 A' 262 247 4.09      
12 A" 1132 1067 27.09      
13 A" 1109 1045 37.44      
14 A" 782 737 15.90      
15 A" 393 370 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 12060.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 11363.1 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/6-31G*
ABC
1.64711 0.16397 0.14912

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.785 0.000
N2 -0.454 1.869 0.000
C3 0.581 -0.528 0.000
H4 1.666 -0.570 0.000
C5 -0.169 -1.639 0.000
H6 -1.253 -1.599 0.000
H7 0.294 -2.620 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.17531.43622.14772.43012.69383.4175
N21.17532.61143.23173.51983.55964.5507
C31.43622.61141.08611.34032.12412.1110
H42.14773.23171.08612.12423.09582.4670
C52.43013.51981.34032.12421.08481.0844
H62.69383.55962.12413.09581.08481.8531
H73.41754.55072.11102.46701.08441.8531

picture of acrylonitrile state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability