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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-170.899485
Energy at 298.15K-170.901881
HF Energy-170.899485
Nuclear repulsion energy90.415182
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 B3LYPultrafine/aug-cc-pVTZ
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' 3245 3140 1.04      
2 A' 3170 3067 0.75      
3 A' 3155 3052 0.43      
4 A' 2333 2257 9.68      
5 A' 1676 1621 1.41      
6 A' 1452 1404 7.03      
7 A' 1323 1280 0.41      
8 A' 1113 1077 2.36      
9 A' 883 854 1.63      
10 A' 583 564 0.07      
11 A' 239 231 3.35      
12 A" 1009 976 5.22      
13 A" 996 964 49.42      
14 A" 714 690 11.55      
15 A" 351 339 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 11119.2 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 10757.8 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 B3LYPultrafine/aug-cc-pVTZ
ABC
1.71663 0.16598 0.15135

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.566 -0.543 0.000
N2 -1.071 -1.578 0.000
C3 0.000 0.771 0.000
H4 -0.712 1.585 0.000
C5 1.313 0.988 0.000
H6 2.025 0.175 0.000
H7 1.705 1.995 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.15051.43092.13352.42382.68973.4060
N21.15052.58063.18283.50143.55784.5237
C31.43092.58061.08201.33042.11112.0988
H42.13353.18281.08202.11113.07932.4515
C52.42383.50141.33042.11111.08081.0808
H62.68973.55782.11113.07931.08081.8475
H73.40604.52372.09882.45151.08081.8475

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.510 C1 C3 C5 122.712
N2 C1 C3 177.329 C3 C5 H6 121.877
C3 C5 H7 120.671 H4 C3 C5 121.778
H6 C5 H7 117.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability