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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-247.232729
Energy at 298.15K-247.238292
HF Energy-247.232729
Nuclear repulsion energy162.800596
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 wB97X-D/6-31+G**
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 3794 3613 52.36      
2 A 3650 3476 58.81      
3 A 3290 3133 1.91      
4 A 3203 3050 13.00      
5 A 3186 3034 6.67      
6 A 1811 1725 323.08      
7 A 1732 1649 39.23      
8 A 1639 1561 152.26      
9 A 1453 1383 110.42      
10 A 1375 1310 60.86      
11 A 1301 1239 82.84      
12 A 1125 1072 1.40      
13 A 1047 997 5.08      
14 A 1016 967 41.23      
15 A 1006 958 22.27      
16 A 827 787 5.67      
17 A 826 786 24.08      
18 A 621 592 9.81      
19 A 607 578 2.94      
20 A 474 452 4.63      
21 A 462 440 13.77      
22 A 279 266 7.89      
23 A 200 190 213.38      
24 A 86 82 20.60      

Unscaled Zero Point Vibrational Energy (zpe) 17505.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 16670.2 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 wB97X-D/6-31+G**
ABC
0.35857 0.14064 0.10102

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.804 -0.651 -0.013
C2 -0.475 0.124 -0.012
N3 -1.611 -0.634 -0.014
O4 -0.517 1.345 -0.001
C5 1.976 -0.022 0.012
H6 0.751 -1.737 -0.038
H7 -2.496 -0.159 0.071
H8 -1.588 -1.632 0.110
H9 2.004 1.064 0.035
H10 2.915 -0.565 0.010

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49512.41452.39391.33081.08763.33692.58792.09442.1131
C21.49511.36571.22192.45502.22902.04222.08262.65183.4589
N32.41451.36572.26103.63862.60731.00801.00583.99454.5262
O42.39391.22192.26102.84333.33352.48593.16552.53773.9278
C51.33082.45503.63862.84332.10844.47393.91211.08631.0848
H61.08762.22902.60733.33352.10843.61212.34663.06972.4612
H73.33692.04221.00802.48594.47393.61211.73064.66335.4260
H82.58792.08261.00583.16553.91212.34661.73064.49224.6288
H92.09442.65183.99452.53771.08633.06974.66334.49221.8662
H102.11313.45894.52623.92781.08482.46125.42604.62881.8662

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 115.061 C1 C2 O4 123.233
C1 C5 H9 119.767 C1 C5 H10 121.698
C2 C1 C5 120.517 C2 C1 H6 118.469
C2 N3 H7 117.929 C2 N3 H8 122.115
N3 C2 O4 121.705 C5 C1 H6 121.014
H7 N3 H8 118.494 H9 C5 H10 118.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.086      
2 C 0.315      
3 N -0.597      
4 O -0.556      
5 C -0.393      
6 H 0.142      
7 H 0.338      
8 H 0.312      
9 H 0.194      
10 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.270 -3.778 0.000 3.787
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.750 3.226 0.000
y 3.226 -30.683 0.001
z 0.000 0.001 -32.569
Traceless
 xyz
x 9.876 3.226 0.000
y 3.226 -3.523 0.001
z 0.000 0.001 -6.353
Polar
3z2-r2-12.705
x2-y28.933
xy3.226
xz0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.241 0.869 0.000
y 0.869 7.188 0.000
z 0.000 0.000 4.442


<r2> (average value of r2) Å2
<r2> 115.625
(<r2>)1/2 10.753