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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-170.900161
Energy at 298.15K-170.902540
HF Energy-170.900161
Nuclear repulsion energy90.247693
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 TPSSh/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' 3244 3141 2.07      
2 A' 3167 3066 1.02      
3 A' 3151 3051 0.86      
4 A' 2309 2236 6.60      
5 A' 1671 1618 1.24      
6 A' 1454 1408 6.24      
7 A' 1322 1280 0.26      
8 A' 1109 1074 2.37      
9 A' 881 853 1.41      
10 A' 575 557 0.04      
11 A' 233 226 2.68      
12 A" 1011 979 20.22      
13 A" 991 959 34.66      
14 A" 712 690 10.00      
15 A" 348 337 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 11087.8 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 10736.3 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 TPSSh/cc-pVTZ
ABC
1.70567 0.16560 0.15094

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.570 -0.540 0.000
N2 -1.072 -1.579 0.000
C3 0.000 0.772 0.000
H4 -0.711 1.590 0.000
C5 1.316 0.985 0.000
H6 2.027 0.168 0.000
H7 1.713 1.992 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.15491.43052.13432.42522.69173.4090
N21.15492.58493.19013.50433.55804.5291
C31.43052.58491.08371.33322.11502.1028
H42.13433.19011.08372.11593.08522.4574
C52.42523.50431.33322.11591.08241.0826
H62.69173.55802.11503.08521.08241.8504
H73.40904.52912.10282.45741.08261.8504

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.499 C1 C3 C5 122.644
N2 C1 C3 177.707 C3 C5 H6 121.877
C3 C5 H7 120.667 H4 C3 C5 121.857
H6 C5 H7 117.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.015      
2 N -0.100      
3 C -0.090      
4 H 0.137      
5 C -0.168      
6 H 0.119      
7 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.975 3.390 0.000 3.924
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.959 2.045 0.000
y 2.045 6.939 0.000
z 0.000 0.000 3.313


<r2> (average value of r2) Å2
<r2> 78.117
(<r2>)1/2 8.838