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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-247.031730
Energy at 298.15K-247.037413
HF Energy-246.793277
Nuclear repulsion energy162.524905
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 B2PLYP/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 3742 3552 34.63      
2 A 3613 3430 46.96      
3 A 3300 3133 3.19      
4 A 3211 3048 9.56      
5 A 3196 3034 10.23      
6 A 1797 1706 213.72      
7 A 1714 1627 30.81      
8 A 1661 1577 108.71      
9 A 1474 1399 81.29      
10 A 1381 1311 53.32      
11 A 1314 1248 87.82      
12 A 1133 1075 4.59      
13 A 1059 1005 3.84      
14 A 1026 974 34.21      
15 A 986 936 10.92      
16 A 832 790 6.84      
17 A 810 768 27.63      
18 A 626 595 22.58      
19 A 608 578 6.18      
20 A 475 451 10.71      
21 A 467 443 12.65      
22 A 282 267 8.36      
23 A 260 247 251.77      
24 A 114 108 10.74      

Unscaled Zero Point Vibrational Energy (zpe) 17540.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 16649.6 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 B2PLYP/6-31G*
ABC
0.35558 0.14065 0.10086

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.798 -0.656 0.012
C2 0.479 0.133 0.015
N3 1.612 -0.637 -0.024
O4 0.508 1.356 0.007
C5 -1.978 -0.030 -0.010
H6 -0.737 -1.742 0.039
H7 2.506 -0.169 -0.013
H8 1.594 -1.642 0.041
H9 -2.017 1.054 -0.034
H10 -2.916 -0.574 -0.024

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.50042.40982.39901.33561.08813.33922.58712.10062.1203
C21.50041.37041.22402.46182.23432.04952.09622.66093.4677
N32.40981.37042.27853.64032.59611.00911.00734.00364.5283
O42.39901.22402.27852.84663.33922.51313.18892.54413.9310
C51.33562.46183.64032.84662.11474.48543.91861.08511.0846
H61.08812.23432.59613.33922.11473.60422.33273.07602.4737
H73.33922.04951.00912.51314.48543.60421.73334.68545.4369
H82.58712.09621.00733.18893.91862.33271.73334.50704.6353
H92.10062.66094.00362.54411.08513.07604.68544.50701.8591
H102.12033.46774.52833.93101.08462.47375.43694.63531.8591

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.087 C1 C2 O4 123.102
C1 C5 H9 120.044 C1 C5 H10 122.008
C2 C1 C5 120.352 C2 C1 H6 118.477
C2 N3 H7 118.139 C2 N3 H8 122.948
N3 C2 O4 122.768 C5 C1 H6 121.166
H7 N3 H8 118.540 H9 C5 H10 117.936
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.191      
2 C 0.650      
3 N -0.826      
4 O -0.564      
5 C -0.323      
6 H 0.156      
7 H 0.365      
8 H 0.356      
9 H 0.207      
10 H 0.170      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.417 -0.761 -0.021
y -0.761 6.367 0.033
z -0.021 0.033 2.449


<r2> (average value of r2) Å2
<r2> 115.388
(<r2>)1/2 10.742