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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B3PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-247.217457
Energy at 298.15K-247.223023
Nuclear repulsion energy162.668039
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/cc-pVDZ
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 3736 3605 40.72      
2 A 3591 3466 45.00      
3 A 3268 3154 1.25      
4 A 3171 3060 12.82      
5 A 3155 3044 6.86      
6 A 1803 1740 239.52      
7 A 1709 1649 28.98      
8 A 1591 1536 134.84      
9 A 1420 1371 110.97      
10 A 1353 1305 30.05      
11 A 1279 1234 52.04      
12 A 1108 1069 2.12      
13 A 1027 991 2.31      
14 A 1013 977 31.68      
15 A 990 956 6.85      
16 A 824 795 13.27      
17 A 821 792 12.62      
18 A 623 601 11.81      
19 A 609 588 4.85      
20 A 473 456 10.43      
21 A 462 446 5.51      
22 A 273 264 7.21      
23 A 171 165 148.27      
24 A 118 114 48.61      

Unscaled Zero Point Vibrational Energy (zpe) 17292.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 16687.6 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 B3PW91/cc-pVDZ
ABC
0.35679 0.14098 0.10108

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.797 -0.655 -0.010
C2 0.476 0.129 -0.003
N3 1.610 -0.634 -0.022
O4 0.509 1.350 -0.001
C5 -1.974 -0.025 0.009
H6 -0.744 -1.749 -0.032
H7 2.499 -0.158 0.071
H8 1.583 -1.635 0.116
H9 -1.993 1.068 0.027
H10 -2.921 -0.569 0.005

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49572.40782.39301.33451.09543.33452.57732.09782.1250
C21.49571.36681.22142.45482.23962.04402.08542.64233.4679
N32.40781.36682.26923.63542.60461.01241.01023.98564.5314
O42.39301.22142.26922.83793.34262.49763.17392.51823.9298
C51.33452.45483.63542.83792.11824.47483.90561.09341.0920
H61.09542.23962.60463.34262.11823.61322.33443.08242.4765
H73.33452.04401.01242.49764.47483.61321.73794.65655.4354
H82.57732.08541.01023.17393.90562.33441.73794.48364.6296
H92.09782.64233.98562.51821.09343.08244.65654.48361.8815
H102.12503.46794.53143.92981.09202.47655.43544.62961.8815

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.444 C1 C2 O4 123.144
C1 C5 H9 119.213 C1 C5 H10 121.947
C2 C1 C5 120.202 C2 C1 H6 118.797
C2 N3 H7 117.666 C2 N3 H8 121.925
N3 C2 O4 122.404 C5 C1 H6 121.001
H7 N3 H8 118.471 H9 C5 H10 118.840
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.138      
2 C 0.160      
3 N -0.123      
4 O -0.274      
5 C 0.034      
6 H 0.008      
7 H 0.115      
8 H 0.106      
9 H 0.063      
10 H 0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.549 -3.423 0.332 3.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.689 -2.921 0.685
y -2.921 -29.722 -0.346
z 0.685 -0.346 -31.271
Traceless
 xyz
x 8.808 -2.921 0.685
y -2.921 -3.242 -0.346
z 0.685 -0.346 -5.566
Polar
3z2-r2-11.132
x2-y28.033
xy-2.921
xz0.685
yz-0.346


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> 115.105
(<r2>)1/2 10.729