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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-247.225134
Energy at 298.15K-247.230546
Nuclear repulsion energy163.110600
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 mPW1PW91/6-31G*
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 3777 3582 40.89      
2 A 3647 3458 50.07      
3 A 3299 3128 2.61      
4 A 3209 3043 10.27      
5 A 3194 3028 11.18      
6 A 1833 1738 244.44      
7 A 1734 1645 31.56      
8 A 1657 1571 136.53      
9 A 1464 1388 102.00      
10 A 1385 1313 51.97      
11 A 1310 1243 70.63      
12 A 1132 1073 1.78      
13 A 1049 995 3.78      
14 A 1028 975 38.49      
15 A 1000 948 11.05      
16 A 833 790 6.06      
17 A 826 783 28.14      
18 A 629 597 8.61      
19 A 618 586 8.97      
20 A 473 448 9.52      
21 A 468 443 5.51      
22 A 277 263 7.53      
23 A 136 129 45.05      
24 A 62 59 218.38      

Unscaled Zero Point Vibrational Energy (zpe) 17518.5 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 16612.8 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 mPW1PW91/6-31G*
ABC
0.35866 0.14169 0.10157

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.796 -0.655 -0.005
C2 0.474 0.128 -0.002
N3 1.607 -0.630 -0.009
O4 0.506 1.347 -0.001
C5 -1.968 -0.027 0.004
H6 -0.739 -1.742 -0.015
H7 2.495 -0.158 0.033
H8 1.591 -1.634 0.052
H9 -1.994 1.058 0.013
H10 -2.910 -0.564 0.003

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49172.40262.38861.33031.08783.32842.58032.09092.1163
C21.49171.36321.22012.44702.22862.04162.08672.63743.4540
N32.40261.36322.26353.62562.59601.00711.00553.97704.5173
O42.38861.22012.26352.83023.33062.49473.17312.51663.9145
C51.33032.44703.62562.83022.10964.46533.90561.08531.0844
H61.08782.22862.59603.33062.10963.60182.33413.06802.4695
H73.32842.04161.00712.49474.46533.60181.73094.65085.4205
H82.58032.08671.00553.17313.90562.33411.73094.48344.6269
H92.09092.63743.97702.51661.08533.06804.65084.48341.8632
H102.11633.45404.51733.91451.08442.46955.42054.62691.8632

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.542 C1 C2 O4 123.170
C1 C5 H9 119.549 C1 C5 H10 122.106
C2 C1 C5 120.144 C2 C1 H6 118.698
C2 N3 H7 118.153 C2 N3 H8 122.810
N3 C2 O4 122.287 C5 C1 H6 121.158
H7 N3 H8 118.647 H9 C5 H10 118.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.187      
2 C 0.603      
3 N -0.811      
4 O -0.525      
5 C -0.359      
6 H 0.163      
7 H 0.366      
8 H 0.358      
9 H 0.213      
10 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.457 -3.529 0.177 3.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.190 -2.983 0.361
y -2.983 -29.458 -0.179
z 0.361 -0.179 -31.343
Traceless
 xyz
x 9.211 -2.983 0.361
y -2.983 -3.192 -0.179
z 0.361 -0.179 -6.019
Polar
3z2-r2-12.038
x2-y28.268
xy-2.983
xz0.361
yz-0.179


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> 114.483
(<r2>)1/2 10.700