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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-170.852027
Energy at 298.15K-170.854405
HF Energy-170.852027
Nuclear repulsion energy90.027633
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 TPSSh/6-31G(2df,p)
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' 3260 3146 2.47      
2 A' 3181 3070 1.36      
3 A' 3165 3054 0.91      
4 A' 2313 2232 6.18      
5 A' 1673 1614 0.68      
6 A' 1451 1400 5.23      
7 A' 1320 1274 0.27      
8 A' 1105 1066 2.77      
9 A' 881 850 1.37      
10 A' 574 554 0.04      
11 A' 235 227 2.92      
12 A" 1014 979 22.21      
13 A" 983 949 24.25      
14 A" 717 692 8.84      
15 A" 356 344 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 11114.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 10725.2 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 TPSSh/6-31G(2df,p)
ABC
1.69849 0.16481 0.15023

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.574 -0.538 0.000
N2 -1.074 -1.584 0.000
C3 0.000 0.774 0.000
H4 -0.712 1.594 0.000
C5 1.320 0.985 0.000
H6 2.031 0.167 0.000
H7 1.722 1.993 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.15971.43212.13622.43032.69883.4165
N21.15972.59143.19863.51193.56514.5397
C31.43212.59141.08551.33682.12012.1092
H42.13623.19861.08552.12093.09192.4658
C52.43033.51191.33682.12091.08411.0845
H62.69883.56512.12013.09191.08411.8517
H73.41654.53972.10922.46581.08451.8517

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.414 C1 C3 C5 122.700
N2 C1 C3 178.065 C3 C5 H6 121.924
C3 C5 H7 120.813 H4 C3 C5 121.886
H6 C5 H7 117.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability