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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B3PW91/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-247.293980
Energy at 298.15K-247.299510
Nuclear repulsion energy163.350097
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-pVTZ
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 3752 3608 40.69      
2 A 3614 3476 47.80      
3 A 3245 3121 1.59      
4 A 3159 3037 12.03      
5 A 3146 3025 7.35      
6 A 1782 1713 255.76      
7 A 1699 1633 33.52      
8 A 1614 1552 124.55      
9 A 1436 1381 96.13      
10 A 1358 1306 44.39      
11 A 1289 1239 81.07      
12 A 1112 1069 2.03      
13 A 1033 993 3.50      
14 A 1018 979 41.83      
15 A 1006 967 6.00      
16 A 823 792 19.27      
17 A 816 785 5.57      
18 A 620 596 2.28      
19 A 614 591 9.85      
20 A 469 451 8.88      
21 A 464 446 4.99      
22 A 274 263 7.31      
23 A 153 148 121.08      
24 A 104 100 63.62      

Unscaled Zero Point Vibrational Energy (zpe) 17298.9 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 16634.6 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-pVTZ
ABC
0.35965 0.14180 0.10170

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.798 -0.646 -0.000
C2 -0.476 0.130 -0.000
N3 -1.601 -0.637 -0.000
O4 -0.517 1.345 0.000
C5 1.969 -0.025 0.000
H6 0.742 -1.731 -0.000
H7 -2.493 -0.176 0.001
H8 -1.568 -1.639 0.001
H9 2.001 1.058 -0.000
H10 2.905 -0.569 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49162.39882.38661.32551.08583.32502.56562.08612.1080
C21.49161.36141.21622.44942.22372.04092.07862.64453.4517
N32.39881.36142.25913.62162.58591.00461.00253.98024.5058
O42.38661.21622.25912.83833.32382.49453.16372.53363.9205
C51.32552.44943.62162.83832.10094.46493.88751.08371.0824
H61.08582.22372.58593.32382.10093.58992.31203.05972.4546
H73.32502.04091.00462.49454.46493.58991.73094.66055.4124
H82.56562.07861.00253.16373.88752.31201.73094.47294.5986
H92.08612.64453.98022.53361.08373.05974.66054.47291.8616
H102.10803.45174.50583.92051.08242.45465.41244.59861.8616

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.375 C1 C2 O4 123.294
C1 C5 H9 119.634 C1 C5 H10 121.869
C2 C1 C5 120.683 C2 C1 H6 118.417
C2 N3 H7 118.446 C2 N3 H8 122.389
N3 C2 O4 122.331 C5 C1 H6 120.900
H7 N3 H8 119.165 H9 C5 H10 118.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.150 0.000    
2 C 0.269 0.000    
3 N -0.226 0.000    
4 O -0.341 0.000    
5 C -0.217 0.000    
6 H 0.098 0.000    
7 H 0.157 0.000    
8 H 0.155 0.000    
9 H 0.136 0.000    
10 H 0.120 0.000    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.461 -3.575 0.002 3.605
CHELPG 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.818 3.053 -0.006
y 3.053 -30.131 -0.003
z -0.006 -0.003 -31.754
Traceless
 xyz
x 9.125 3.053 -0.006
y 3.053 -3.345 -0.003
z -0.006 -0.003 -5.780
Polar
3z2-r2-11.559
x2-y28.313
xy3.053
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> 114.686
(<r2>)1/2 10.709