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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-44.644427
Energy at 298.15K-44.650660
Nuclear repulsion energy87.719708
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/CEP-121G
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 3975 3627 38.58      
2 A 3816 3482 54.72      
3 A 3410 3112 7.03      
4 A 3331 3039 18.13      
5 A 3293 3005 7.52      
6 A 1826 1666 300.64      
7 A 1808 1650 13.85      
8 A 1776 1621 232.68      
9 A 1569 1431 132.11      
10 A 1461 1333 77.21      
11 A 1410 1286 152.86      
12 A 1205 1099 10.59      
13 A 1166 1064 34.11      
14 A 1157 1056 11.33      
15 A 1104 1007 51.74      
16 A 896 817 82.34      
17 A 883 806 2.39      
18 A 672 613 132.25      
19 A 656 598 16.00      
20 A 548 500 204.87      
21 A 496 452 6.63      
22 A 493 450 32.82      
23 A 293 267 10.29      
24 A 115 105 6.38      

Unscaled Zero Point Vibrational Energy (zpe) 18677.7 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 17043.4 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 HF/CEP-121G
ABC
0.35587 0.13886 0.09988

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.810 -0.656 -0.000
C2 0.462 0.136 -0.000
N3 1.621 -0.595 0.000
O4 0.481 1.378 -0.000
C5 -2.001 -0.049 0.000
H6 -0.726 -1.729 -0.001
H7 2.487 -0.108 0.000
H8 1.626 -1.587 0.001
H9 -2.067 1.024 0.001
H10 -2.917 -0.613 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49802.43142.40851.33671.07643.34182.60692.09842.1075
C21.49801.37071.24172.46932.21162.03982.07902.67993.4605
N32.43141.37072.27883.66262.60710.99370.99144.02764.5377
O42.40851.24172.27882.86233.33322.49633.17772.57173.9376
C51.33672.46933.66262.86232.10854.48793.93861.07551.0757
H61.07642.21162.60713.33322.10853.59942.35633.06232.4582
H73.34182.03980.99372.49634.48793.59941.71164.69225.4272
H82.60692.07900.99143.17773.93862.35631.71164.52204.6454
H92.09842.67994.02762.57171.07553.06234.69224.52201.8447
H102.10753.46054.53773.93761.07572.45825.42724.64541.8447

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 115.828 C1 C2 O4 122.797
C1 C5 H9 120.523 C1 C5 H10 121.389
C2 C1 C5 121.074 C2 C1 H6 117.497
C2 N3 H7 118.368 C2 N3 H8 122.504
N3 C2 O4 121.375 C5 C1 H6 121.429
H7 N3 H8 119.128 H9 C5 H10 118.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.053      
2 C 0.237      
3 N -0.665      
4 O -0.357      
5 C -0.391      
6 H 0.170      
7 H 0.359      
8 H 0.347      
9 H 0.202      
10 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.088 -4.339 0.001 4.340
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.147 -3.391 0.001
y -3.391 -32.372 0.002
z 0.001 0.002 -32.853
Traceless
 xyz
x 11.465 -3.391 0.001
y -3.391 -5.372 0.002
z 0.001 0.002 -6.093
Polar
3z2-r2-12.186
x2-y211.225
xy-3.391
xz0.001
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.248 -0.902 -0.001
y -0.902 6.342 0.001
z -0.001 0.001 3.198


<r2> (average value of r2) Å2
<r2> 96.034
(<r2>)1/2 9.800