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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-170.486290
Energy at 298.15K-170.488624
HF Energy-169.828826
Nuclear repulsion energy89.900967
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/Def2TZVPP
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' 3306 3145 0.43      
2 A' 3235 3078 1.10      
3 A' 3200 3045 0.04      
4 A' 2189 2083 1.29      
5 A' 1669 1588 4.22      
6 A' 1457 1386 5.19      
7 A' 1323 1259 0.26      
8 A' 1112 1058 1.90      
9 A' 884 842 0.92      
10 A' 562 535 0.09      
11 A' 228 217 3.03      
12 A" 1015 965 27.05      
13 A" 972 925 30.82      
14 A" 700 666 9.53      
15 A" 336 320 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 11093.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 10555.1 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/Def2TZVPP
ABC
1.66327 0.16515 0.15023

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.578 -0.531 0.000
N2 -1.073 -1.585 0.000
C3 0.000 0.781 0.000
H4 -0.698 1.607 0.000
C5 1.322 0.977 0.000
H6 2.016 0.149 0.000
H7 1.728 1.977 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16531.43352.14062.42462.68123.4063
N21.16532.59873.21393.50683.54274.5315
C31.43352.59871.08061.33602.11272.1012
H42.14063.21391.08062.11543.08022.4538
C52.42463.50681.33602.11541.07991.0797
H62.68123.54272.11273.08021.07991.8500
H73.40634.53152.10122.45381.07971.8500

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.025 C1 C3 C5 122.156
N2 C1 C3 178.602 C3 C5 H6 121.614
C3 C5 H7 120.505 H4 C3 C5 121.819
H6 C5 H7 117.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability