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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-247.257353
Energy at 298.15K-247.262915
Nuclear repulsion energy163.105160
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 B3PW91/6-311G*
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 3756 3616 29.37      
2 A 3623 3488 37.73      
3 A 3250 3129 4.34      
4 A 3161 3043 13.43      
5 A 3147 3030 13.43      
6 A 1797 1730 267.95      
7 A 1705 1642 32.40      
8 A 1654 1593 128.60      
9 A 1443 1389 98.90      
10 A 1366 1315 48.93      
11 A 1296 1248 78.28      
12 A 1123 1081 2.38      
13 A 1041 1003 3.98      
14 A 1015 977 42.73      
15 A 987 950 13.39      
16 A 825 794 27.87      
17 A 820 789 6.13      
18 A 628 605 4.42      
19 A 617 594 9.47      
20 A 470 452 14.34      
21 A 466 448 5.04      
22 A 276 266 7.45      
23 A 171 165 193.95      
24 A 112 108 52.18      

Unscaled Zero Point Vibrational Energy (zpe) 17374.2 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 16726.1 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 B3PW91/6-311G*
ABC
0.35895 0.14139 0.10144

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.798 -0.651 0.000
C2 -0.476 0.130 0.000
N3 -1.606 -0.634 -0.000
O4 -0.511 1.347 0.000
C5 1.971 -0.027 -0.000
H6 0.745 -1.738 0.000
H7 -2.498 -0.168 0.001
H8 -1.586 -1.638 0.000
H9 2.003 1.059 -0.000
H10 2.911 -0.568 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49402.40342.38811.32871.08873.33042.57952.09182.1148
C21.49401.36401.21672.45142.23192.04372.08762.64723.4580
N32.40341.36402.26253.62742.59701.00611.00433.98614.5170
O42.38811.21672.26252.83653.33072.49783.17182.53113.9214
C51.32872.45143.62742.83652.10534.47043.90411.08581.0850
H61.08872.23192.59703.33072.10533.60242.33253.06702.4620
H73.33042.04371.00612.49784.47043.60241.72974.66515.4232
H82.57952.08761.00433.17183.90412.33251.72974.48904.6220
H92.09182.64723.98612.53111.08583.06704.66514.48901.8627
H102.11483.45804.51703.92141.08502.46205.42324.62201.8627

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.403 C1 C2 O4 123.200
C1 C5 H9 119.748 C1 C5 H10 122.047
C2 C1 C5 120.454 C2 C1 H6 118.739
C2 N3 H7 118.363 C2 N3 H8 122.923
N3 C2 O4 122.397 C5 C1 H6 120.807
H7 N3 H8 118.714 H9 C5 H10 118.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.334      
2 C 0.519      
3 N -0.820      
4 O -0.379      
5 C -0.380      
6 H 0.199      
7 H 0.365      
8 H 0.361      
9 H 0.246      
10 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.514 -3.593 0.002 3.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.478 3.063 -0.006
y 3.063 -29.829 -0.003
z -0.006 -0.003 -31.981
Traceless
 xyz
x 9.427 3.063 -0.006
y 3.063 -3.100 -0.003
z -0.006 -0.003 -6.328
Polar
3z2-r2-12.655
x2-y28.351
xy3.063
xz-0.006
yz-0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 114.888
(<r2>)1/2 10.719