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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: BLYP/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-170.794568
Energy at 298.15K-170.796855
Nuclear repulsion energy89.076229
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/aug-cc-pVDZ
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' 3183 3177 2.13      
2 A' 3096 3090 1.09      
3 A' 3085 3079 0.85      
4 A' 2216 2212 5.29      
5 A' 1608 1605 2.22      
6 A' 1398 1395 5.24      
7 A' 1276 1273 0.16      
8 A' 1074 1072 2.08      
9 A' 858 857 1.51      
10 A' 554 553 0.06      
11 A' 227 227 2.65      
12 A" 961 959 11.02      
13 A" 953 951 42.68      
14 A" 685 683 8.93      
15 A" 326 326 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 10749.2 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 10728.8 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/aug-cc-pVDZ
ABC
1.68616 0.16093 0.14691

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.578 -0.542 0.000
N2 -1.085 -1.604 0.000
C3 0.000 0.773 0.000
H4 -0.717 1.606 0.000
C5 1.333 1.004 0.000
H6 2.061 0.185 0.000
H7 1.719 2.029 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.17661.43692.15292.45802.73783.4481
N21.17662.61313.23133.55613.61924.5894
C31.43692.61311.09901.35272.14382.1290
H42.15293.23131.09902.13653.12082.4724
C52.45803.55611.35272.13651.09611.0959
H62.73783.61922.14383.12081.09611.8761
H73.44814.58942.12902.47241.09591.8761

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.560 C1 C3 C5 123.533
N2 C1 C3 178.218 C3 C5 H6 121.846
C3 C5 H7 120.438 H4 C3 C5 120.906
H6 C5 H7 117.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.313      
2 N -0.118      
3 C 1.397      
4 H -0.703      
5 C 0.872      
6 H -0.595      
7 H -0.539      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.977 3.417 0.000 3.948
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.138 -2.896 0.000
y -2.896 -26.441 0.000
z 0.000 0.000 -25.168
Traceless
 xyz
x 2.667 -2.896 0.000
y -2.896 -2.288 0.000
z 0.000 0.000 -0.379
Polar
3z2-r2-0.757
x2-y23.303
xy-2.896
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.787 2.250 0.000
y 2.250 7.937 0.000
z 0.000 0.000 4.405


<r2> (average value of r2) Å2
<r2> 80.323
(<r2>)1/2 8.962