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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-245.820077
Energy at 298.15K-245.825877
HF Energy-245.820077
Nuclear repulsion energy164.274033
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 HF/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 3973 3570 54.56      
2 A 3844 3453 67.27      
3 A 3444 3094 3.80      
4 A 3362 3021 14.58      
5 A 3343 3004 11.95      
6 A 1968 1769 353.92      
7 A 1863 1674 59.01      
8 A 1798 1616 150.16      
9 A 1584 1423 109.96      
10 A 1480 1329 72.82      
11 A 1411 1267 138.41      
12 A 1224 1100 6.24      
13 A 1145 1029 35.49      
14 A 1142 1026 6.61      
15 A 1112 1000 21.19      
16 A 907 815 52.97      
17 A 889 799 5.70      
18 A 672 604 21.90      
19 A 653 587 10.18      
20 A 513 460 9.58      
21 A 504 453 6.49      
22 A 302 272 7.95      
23 A 180 162 254.08      
24 A 101 91 60.32      

Unscaled Zero Point Vibrational Energy (zpe) 18707.2 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 16808.5 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 HF/6-31G*
ABC
0.36749 0.14218 0.10254

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.801 -0.644 -0.013
C2 -0.477 0.129 -0.005
N3 -1.600 -0.629 -0.015
O4 -0.514 1.329 -0.003
C5 1.963 -0.022 0.011
H6 0.746 -1.720 -0.040
H7 -2.477 -0.164 0.065
H8 -1.579 -1.614 0.105
H9 2.006 1.051 0.035
H10 2.893 -0.562 0.006

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49412.40162.37141.31841.07683.31362.57222.08032.0933
C21.49411.35541.20002.44492.21712.02232.06502.64873.4398
N32.40161.35542.23883.61502.58780.99490.99273.97874.4937
O42.37141.20002.23882.82173.29872.46693.13112.53573.8962
C51.31842.44493.61502.82172.08924.44243.88401.07401.0748
H61.07682.21712.58783.29872.08923.57992.33153.04422.4393
H73.31362.02230.99492.46694.44243.57991.70574.64455.3843
H82.57222.06500.99273.13113.88402.33151.70574.46694.5943
H92.08032.64873.97872.53571.07403.04424.64454.46691.8404
H102.09333.43984.49373.89621.07482.43935.38434.59431.8404

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.794 C1 C2 O4 122.966
C1 C5 H9 120.466 C1 C5 H10 121.681
C2 C1 C5 120.627 C2 C1 H6 118.262
C2 N3 H7 117.919 C2 N3 H8 122.396
N3 C2 O4 122.236 C5 C1 H6 121.111
H7 N3 H8 118.224 H9 C5 H10 117.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.271      
2 C 0.757      
3 N -0.927      
4 O -0.614      
5 C -0.344      
6 H 0.191      
7 H 0.396      
8 H 0.387      
9 H 0.232      
10 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.031 -3.708 0.379 3.728
CHELPG -0.005 -3.746 0.435 3.771
AIM        
ESP 0.014 -3.720 0.438 3.745


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.516 3.122 -0.766
y 3.122 -30.456 -0.360
z -0.766 -0.360 -31.708
Traceless
 xyz
x 9.566 3.122 -0.766
y 3.122 -3.844 -0.360
z -0.766 -0.360 -5.722
Polar
3z2-r2-11.445
x2-y28.940
xy3.122
xz-0.766
yz-0.360


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.802 0.803 0.024
y 0.803 5.912 0.032
z 0.024 0.032 2.398


<r2> (average value of r2) Å2
<r2> 113.897
(<r2>)1/2 10.672