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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-170.338702
Energy at 298.15K-170.341054
HF Energy-169.764759
Nuclear repulsion energy89.656260
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 CCSD=FULL/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' 3292 3127 3.62      
2 A' 3229 3067 1.22      
3 A' 3201 3040 0.98      
4 A' 2359 2240 1.17      
5 A' 1718 1632 1.20      
6 A' 1479 1405 4.84      
7 A' 1349 1281 0.40      
8 A' 1135 1078 3.57      
9 A' 893 848 1.17      
10 A' 574 545 0.02      
11 A' 236 224 3.09      
12 A" 1004 953 33.76      
13 A" 976 927 25.69      
14 A" 700 665 10.62      
15 A" 346 329 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 11245.3 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 10680.8 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 CCSD=FULL/6-31G*
ABC
1.64872 0.16416 0.14929

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.582 -0.536 0.000
N2 -1.076 -1.592 0.000
C3 0.000 0.786 0.000
H4 -0.705 1.615 0.000
C5 1.326 0.982 0.000
H6 2.032 0.155 0.000
H7 1.739 1.987 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16531.44472.15452.43852.70353.4288
N21.16532.60983.22793.52053.56464.5534
C31.44472.60981.08811.34062.12742.1138
H42.15453.22791.08812.12753.10172.4727
C52.43853.52051.34062.12751.08721.0867
H62.70353.56462.12743.10171.08721.8555
H73.42884.55342.11382.47271.08671.8555

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.850 C1 C3 C5 122.168
N2 C1 C3 178.693 C3 C5 H6 122.051
C3 C5 H7 120.759 H4 C3 C5 121.982
H6 C5 H7 117.190
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability