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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-246.994480
Energy at 298.15K-246.999978
HF Energy-246.994480
Nuclear repulsion energy161.617418
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 PBEPBEultrafine/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 3631 3571 26.00      
2 A 3502 3444 27.84      
3 A 3196 3144 3.43      
4 A 3106 3055 7.87      
5 A 3087 3036 16.18      
6 A 1747 1718 187.25      
7 A 1659 1632 25.87      
8 A 1592 1566 103.58      
9 A 1406 1383 77.59      
10 A 1330 1308 40.01      
11 A 1259 1238 70.79      
12 A 1087 1069 3.36      
13 A 1008 992 2.95      
14 A 987 970 27.76      
15 A 938 922 15.52      
16 A 801 788 6.93      
17 A 785 772 20.21      
18 A 610 600 14.65      
19 A 590 580 4.83      
20 A 457 449 9.98      
21 A 449 441 8.52      
22 A 268 263 6.88      
23 A 215 211 220.24      
24 A 119 117 18.60      

Unscaled Zero Point Vibrational Energy (zpe) 16912.6 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 16633.5 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 PBEPBEultrafine/6-31G*
ABC
0.35078 0.13946 0.09984

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.801 -0.657 -0.011
C2 -0.481 0.135 -0.002
N3 -1.619 -0.643 -0.016
O4 -0.513 1.364 -0.003
C5 1.988 -0.031 0.010
H6 0.740 -1.754 -0.037
H7 -2.517 -0.172 0.061
H8 -1.595 -1.653 0.099
H9 2.027 1.063 0.032
H10 2.936 -0.578 0.005

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.50732.42052.41181.34241.09813.35472.59712.11342.1359
C21.50731.37891.23002.47472.24922.06062.10872.67473.4902
N32.42051.37892.29213.65912.60781.01711.01614.02634.5553
O42.41181.23002.29212.86453.36082.52633.20672.55873.9585
C51.34242.47473.65912.86452.12774.50823.93421.09521.0942
H61.09812.24922.60783.36082.12773.62262.34163.09782.4904
H73.35472.06061.01712.52634.50823.62261.74444.70985.4684
H82.59712.10871.01613.20673.93422.34161.74444.52794.6573
H92.11342.67474.02632.55871.09523.09784.70984.52791.8764
H102.13593.49024.55533.95851.09422.49045.46844.65731.8764

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 113.921 C1 C2 O4 123.229
C1 C5 H9 119.883 C1 C5 H10 122.139
C2 C1 C5 120.443 C2 C1 H6 118.536
C2 N3 H7 117.843 C2 N3 H8 122.670
N3 C2 O4 122.841 C5 C1 H6 121.022
H7 N3 H8 118.178 H9 C5 H10 117.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.138      
2 C 0.528      
3 N -0.733      
4 O -0.478      
5 C -0.328      
6 H 0.133      
7 H 0.340      
8 H 0.331      
9 H 0.187      
10 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.544 -3.349 0.448 3.423
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.671 2.816 -0.929
y 2.816 -29.531 -0.463
z -0.929 -0.463 -31.335
Traceless
 xyz
x 8.762 2.816 -0.929
y 2.816 -3.028 -0.463
z -0.929 -0.463 -5.734
Polar
3z2-r2-11.469
x2-y27.860
xy2.816
xz-0.929
yz-0.463


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.069 0.777 0.009
y 0.777 6.619 0.024
z 0.009 0.024 2.511


<r2> (average value of r2) Å2
<r2> 116.273
(<r2>)1/2 10.783