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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-170.840284
Energy at 298.15K-170.842603
Nuclear repulsion energy89.759874
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 BLYP/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' 3170 3160 2.84      
2 A' 3086 3077 1.34      
3 A' 3081 3072 0.86      
4 A' 2232 2226 4.31      
5 A' 1614 1610 1.64      
6 A' 1416 1412 5.62      
7 A' 1291 1287 0.13      
8 A' 1086 1083 2.02      
9 A' 860 858 1.30      
10 A' 565 563 0.02      
11 A' 230 230 2.52      
12 A" 977 974 16.94      
13 A" 951 948 35.35      
14 A" 691 689 9.36      
15 A" 336 335 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 10793.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 10761.4 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 BLYP/cc-pVTZ
ABC
1.71282 0.16326 0.14905

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.576 -0.540 0.000
N2 -1.075 -1.593 0.000
C3 0.000 0.768 0.000
H4 -0.711 1.594 0.000
C5 1.322 0.998 0.000
H6 2.045 0.186 0.000
H7 1.707 2.014 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16531.42892.13832.44302.71983.4255
N21.16532.59393.20793.52973.59174.5552
C31.42892.59391.08991.34232.12642.1135
H42.13833.20791.08992.11873.09482.4537
C52.44303.52971.34232.11871.08691.0866
H62.71983.59172.12643.09481.08691.8592
H73.42554.55522.11352.45371.08661.8592

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.539 C1 C3 C5 123.633
N2 C1 C3 178.416 C3 C5 H6 121.818
C3 C5 H7 120.586 H4 C3 C5 120.828
H6 C5 H7 117.597
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.064      
2 N -0.060      
3 C -0.054      
4 H 0.133      
5 C -0.199      
6 H 0.124      
7 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.907 3.329 0.000 3.837
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.784 -2.742 0.000
y -2.742 -25.956 0.000
z 0.000 0.000 -24.828
Traceless
 xyz
x 2.608 -2.742 0.000
y -2.742 -2.150 0.000
z 0.000 0.000 -0.458
Polar
3z2-r2-0.915
x2-y23.172
xy-2.742
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 79.143
(<r2>)1/2 8.896