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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: MP3=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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-170.327257
Energy at 298.15K-170.329630
HF Energy-169.765973
Nuclear repulsion energy89.956459
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 MP3=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' 3324 3119 2.72      
2 A' 3262 3061 0.77      
3 A' 3231 3032 0.24      
4 A' 2443 2292 2.86      
5 A' 1738 1630 2.05      
6 A' 1490 1398 4.77      
7 A' 1358 1274 0.32      
8 A' 1145 1074 4.11      
9 A' 904 849 1.40      
10 A' 582 546 0.03      
11 A' 239 224 3.22      
12 A" 1014 952 32.26      
13 A" 980 920 30.73      
14 A" 705 661 10.83      
15 A" 348 327 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 11381.7 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 10679.5 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 MP3=FULL/6-31G*
ABC
1.65324 0.16537 0.15033

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.576 -0.539 0.000
N2 -1.076 -1.585 0.000
C3 0.000 0.783 0.000
H4 -0.706 1.608 0.000
C5 1.323 0.980 0.000
H6 2.027 0.155 0.000
H7 1.734 1.984 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.15981.44182.15092.43142.69433.4201
N21.15982.60113.21463.51203.55814.5422
C31.44182.60111.08591.33732.12262.1088
H42.15093.21461.08592.12363.09572.4682
C52.43143.51201.33732.12361.08521.0846
H62.69433.55812.12263.09571.08521.8525
H73.42014.54222.10882.46821.08461.8525

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.911 C1 C3 C5 122.014
N2 C1 C3 177.991 C3 C5 H6 122.031
C3 C5 H7 120.727 H4 C3 C5 122.074
H6 C5 H7 117.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability