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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: MP2=FULL/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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-170.563639
Energy at 298.15K-170.566022
HF Energy-169.825608
Nuclear repulsion energy90.289314
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 MP2=FULL/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' 3292 3132 0.38      
2 A' 3241 3084 1.07      
3 A' 3206 3050 0.01      
4 A' 2210 2102 0.38      
5 A' 1684 1602 4.00      
6 A' 1463 1392 5.76      
7 A' 1326 1261 0.29      
8 A' 1112 1058 1.73      
9 A' 897 853 0.81      
10 A' 566 539 0.13      
11 A' 231 219 3.38      
12 A" 1035 985 17.04      
13 A" 995 946 38.06      
14 A" 720 685 9.12      
15 A" 348 331 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 11162.2 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 10619.7 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/aug-cc-pVTZ
ABC
1.68560 0.16650 0.15153

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.570 -0.529 0.000
N2 -1.071 -1.578 0.000
C3 0.000 0.776 0.000
H4 -0.696 1.597 0.000
C5 1.315 0.974 0.000
H6 2.009 0.150 0.000
H7 1.718 1.973 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16211.42412.13012.41182.66693.3909
N21.16212.58583.19723.49433.53134.5155
C31.42412.58581.07661.33022.10372.0940
H42.13013.19721.07662.10543.06732.4427
C52.41183.49431.33022.10541.07721.0769
H62.66693.53132.10373.06731.07721.8464
H73.39094.51552.09402.44271.07691.8464

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.121 C1 C3 C5 122.209
N2 C1 C3 178.087 C3 C5 H6 121.462
C3 C5 H7 120.536 H4 C3 C5 121.670
H6 C5 H7 118.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability