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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: CCSD=FULL/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 CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-170.559251
Energy at 298.15K-170.561676
HF Energy-169.826639
Nuclear repulsion energy90.483484
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/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' 3287 3116 1.30      
2 A' 3242 3074 0.74      
3 A' 3209 3042 0.28      
4 A' 2367 2245 2.14      
5 A' 1718 1629 1.62      
6 A' 1478 1401 6.53      
7 A' 1341 1272 0.49      
8 A' 1128 1070 2.12      
9 A' 892 846 1.41      
10 A' 573 544 0.06      
11 A' 237 225 3.25      
12 A" 1031 977 15.57      
13 A" 1028 975 40.74      
14 A" 731 693 10.40      
15 A" 362 344 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 11312.6 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 10725.5 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 CCSD=FULL/cc-pVTZ
ABC
1.69700 0.16662 0.15173

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.569 -0.540 0.000
N2 -1.069 -1.577 0.000
C3 0.000 0.775 0.000
H4 -0.702 1.590 0.000
C5 1.312 0.982 0.000
H6 2.012 0.165 0.000
H7 1.709 1.982 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.15121.43332.13402.41992.67573.3987
N21.15122.58403.18813.49563.53954.5150
C31.43332.58401.07481.32842.10282.0922
H42.13403.18811.07482.10333.06502.4423
C52.41993.49561.32842.10331.07611.0759
H62.67573.53952.10283.06501.07611.8423
H73.39874.51502.09222.44231.07591.8423

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.876 C1 C3 C5 122.338
N2 C1 C3 177.641 C3 C5 H6 121.632
C3 C5 H7 120.604 H4 C3 C5 121.786
H6 C5 H7 117.764
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability