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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-246.994480
Energy at 298.15K-246.999964
Nuclear repulsion energy161.610508
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 PBEPBE/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 3579 25.93      
2 A 3503 3453 28.04      
3 A 3197 3152 3.43      
4 A 3107 3062 7.71      
5 A 3087 3043 16.43      
6 A 1746 1721 187.48      
7 A 1659 1636 25.94      
8 A 1592 1569 103.90      
9 A 1406 1386 77.80      
10 A 1330 1311 39.78      
11 A 1259 1241 70.45      
12 A 1087 1072 3.29      
13 A 1008 994 2.93      
14 A 987 973 27.66      
15 A 937 924 15.61      
16 A 800 789 6.95      
17 A 785 774 20.26      
18 A 610 601 14.55      
19 A 590 581 4.96      
20 A 456 449 9.89      
21 A 449 442 8.65      
22 A 267 263 6.89      
23 A 205 202 216.20      
24 A 120 118 22.14      

Unscaled Zero Point Vibrational Energy (zpe) 16909.1 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 16667.3 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 PBEPBE/6-31G*
ABC
0.35088 0.13939 0.09981

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.801 -0.658 -0.012
C2 0.476 0.128 -0.003
N3 1.619 -0.642 -0.026
O4 0.515 1.362 -0.002
C5 -1.985 -0.027 0.010
H6 -0.744 -1.754 -0.039
H7 2.508 -0.160 0.084
H8 1.598 -1.645 0.139
H9 -2.011 1.067 0.033
H10 -2.935 -0.571 0.006

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49932.41972.41111.34221.09813.34772.59812.10792.1355
C21.49931.37871.23452.46602.24362.05482.10352.65813.4811
N32.41971.37872.28833.65642.61161.01771.01674.01244.5539
O42.41111.23452.28832.86063.36162.50953.19952.54333.9542
C51.34222.46603.65642.86062.12744.49623.93351.09511.0937
H61.09812.24362.61163.36162.12743.62422.35113.09382.4901
H73.34772.05481.01772.50954.49623.62421.74294.68305.4587
H82.59812.10351.01673.19953.93352.35111.74294.51564.6597
H92.10792.65814.01242.54331.09513.09384.68304.51561.8807
H102.13553.48114.55393.95421.09372.49015.45874.65971.8807

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.371 C1 C2 O4 123.464
C1 C5 H9 119.379 C1 C5 H10 122.162
C2 C1 C5 120.316 C2 C1 H6 118.677
C2 N3 H7 117.263 C2 N3 H8 122.106
N3 C2 O4 122.150 C5 C1 H6 121.007
H7 N3 H8 117.897 H9 C5 H10 118.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.138      
2 C 0.528      
3 N -0.733      
4 O -0.479      
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 -3.351 0.440 3.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.663 -2.826 0.905
y -2.826 -29.524 -0.460
z 0.905 -0.460 -31.340
Traceless
 xyz
x 8.769 -2.826 0.905
y -2.826 -3.022 -0.460
z 0.905 -0.460 -5.747
Polar
3z2-r2-11.494
x2-y27.861
xy-2.826
xz0.905
yz-0.460


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.069 -0.777 -0.007
y -0.777 6.621 0.020
z -0.007 0.020 2.509


<r2> (average value of r2) Å2
<r2> 116.299
(<r2>)1/2 10.784