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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-245.876954
Energy at 298.15K-245.882584
Nuclear repulsion energy164.457274
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3994 3612 41.95      
2 A 3860 3491 55.87      
3 A 3412 3086 5.61      
4 A 3333 3014 17.12      
5 A 3313 2996 14.58      
6 A 1948 1762 390.71      
7 A 1846 1669 59.12      
8 A 1809 1636 142.50      
9 A 1573 1422 114.79      
10 A 1468 1327 66.64      
11 A 1402 1268 146.81      
12 A 1221 1104 7.52      
13 A 1138 1029 7.64      
14 A 1132 1023 36.97      
15 A 1103 998 25.76      
16 A 911 824 45.94      
17 A 881 797 5.55      
18 A 671 607 18.01      
19 A 657 594 5.94      
20 A 511 463 11.37      
21 A 503 455 5.79      
22 A 302 273 7.94      
23 A 132 119 56.35      
24 A 43 39 236.53      

Unscaled Zero Point Vibrational Energy (zpe) 18580.1 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 16803.9 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/6-311G*
ABC
0.36879 0.14225 0.10266

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.801 -0.643 -0.006
C2 0.478 0.132 -0.002
N3 1.600 -0.628 -0.009
O4 0.514 1.326 -0.001
C5 -1.963 -0.023 0.005
H6 -0.747 -1.719 -0.020
H7 2.478 -0.170 0.035
H8 1.576 -1.614 0.055
H9 -2.008 1.051 0.017
H10 -2.892 -0.564 0.003

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49592.40072.36771.31731.07703.31312.56842.07992.0925
C21.49591.35471.19432.44612.22012.02282.06362.65043.4414
N32.40071.35472.23533.61362.58830.99120.98893.97894.4920
O42.36771.19432.23532.82013.29572.46953.12682.53673.8950
C51.31732.44613.61362.82012.08674.44343.88061.07431.0752
H61.07702.22012.58833.29572.08673.57822.32703.04292.4357
H73.31312.02280.99122.46954.44343.57821.70264.64905.3844
H82.56842.06360.98893.12683.88062.32701.70264.46624.5899
H92.07992.65043.97892.53671.07433.04294.64904.46621.8409
H102.09253.44144.49203.89501.07522.43575.38444.58991.8409

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.653 C1 C2 O4 122.922
C1 C5 H9 120.499 C1 C5 H10 121.670
C2 C1 C5 120.679 C2 C1 H6 118.372
C2 N3 H7 118.316 C2 N3 H8 122.650
N3 C2 O4 122.424 C5 C1 H6 120.950
H7 N3 H8 118.604 H9 C5 H10 117.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.395 -0.341   -0.402
2 C 0.687 1.009   0.949
3 N -0.915 -1.136   -1.115
4 O -0.492 -0.669   -0.630
5 C -0.355 -0.245   -0.264
6 H 0.211 0.151   0.191
7 H 0.386 0.462   0.464
8 H 0.380 0.445   0.446
9 H 0.261 0.166   0.182
10 H 0.232 0.159   0.178


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.115 -3.749 0.196 3.756
CHELPG        
AIM        
ESP 0.092 -3.758 0.242 3.767


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.542 -3.213 0.397
y -3.213 -30.576 -0.188
z 0.397 -0.188 -32.220
Traceless
 xyz
x 9.856 -3.213 0.397
y -3.213 -3.695 -0.188
z 0.397 -0.188 -6.161
Polar
3z2-r2-12.322
x2-y29.034
xy-3.213
xz0.397
yz-0.188


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.024 -0.848 -0.009
y -0.848 6.049 0.013
z -0.009 0.013 3.003


<r2> (average value of r2) Å2
<r2> 113.931
(<r2>)1/2 10.674