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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-247.265130
Energy at 298.15K-247.271086
Nuclear repulsion energy160.674594
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 B3LYP/SDD
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 3760 3614 31.64      
2 A 3608 3468 51.10      
3 A 3283 3156 7.80      
4 A 3184 3061 17.48      
5 A 3165 3043 6.62      
6 A 1704 1638 114.81      
7 A 1673 1608 161.05      
8 A 1639 1575 107.35      
9 A 1458 1401 101.23      
10 A 1365 1312 68.48      
11 A 1305 1254 93.32      
12 A 1109 1066 5.49      
13 A 1057 1016 6.86      
14 A 1046 1006 66.05      
15 A 1026 986 24.78      
16 A 820 788 3.61      
17 A 817 786 52.24      
18 A 634 609 98.91      
19 A 609 586 6.93      
20 A 523 502 223.40      
21 A 465 447 10.44      
22 A 463 445 5.13      
23 A 272 261 8.65      
24 A 127 122 5.56      

Unscaled Zero Point Vibrational Energy (zpe) 17553.9 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 16874.6 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 B3LYP/SDD
ABC
0.34532 0.13771 0.09845

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.806 -0.655 -0.000
C2 0.477 0.122 -0.000
N3 1.625 -0.650 0.000
O4 0.525 1.379 -0.000
C5 -2.001 -0.029 0.000
H6 -0.742 -1.743 -0.001
H7 2.521 -0.180 0.000
H8 1.599 -1.660 0.001
H9 -2.043 1.058 0.001
H10 -2.937 -0.581 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49942.43092.43091.34881.09013.36092.60592.11272.1330
C21.49941.38361.25832.48202.22812.06682.10552.68783.4858
N32.43091.38362.30813.67852.60761.01201.01034.04604.5632
O42.43091.25832.30812.89203.36992.53303.22312.58823.9789
C51.34882.48203.67852.89202.12634.52453.95131.08781.0871
H61.09012.22812.60763.36992.12633.61862.34223.08822.4842
H73.36092.06681.01202.53304.52453.61861.74404.72915.4736
H82.60592.10551.01033.22313.95132.34221.74404.54374.6627
H92.11272.68784.04602.58821.08783.08824.72914.54371.8666
H102.13303.48584.56323.97891.08712.48425.47364.66271.8666

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.896 C1 C2 O4 123.411
C1 C5 H9 119.864 C1 C5 H10 121.886
C2 C1 C5 121.160 C2 C1 H6 117.859
C2 N3 H7 118.432 C2 N3 H8 122.393
N3 C2 O4 121.693 C5 C1 H6 120.981
H7 N3 H8 119.175 H9 C5 H10 118.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.172      
2 C 0.262      
3 N -0.632      
4 O -0.300      
5 C -0.464      
6 H 0.200      
7 H 0.335      
8 H 0.310      
9 H 0.249      
10 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.269 -4.066 0.003 4.075
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.181 -3.434 0.004
y -3.434 -30.739 0.001
z 0.004 0.001 -32.440
Traceless
 xyz
x 10.409 -3.434 0.004
y -3.434 -3.929 0.001
z 0.004 0.001 -6.480
Polar
3z2-r2-12.960
x2-y29.559
xy-3.434
xz0.004
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.667 -0.898 0.001
y -0.898 6.452 -0.000
z 0.001 -0.000 2.688


<r2> (average value of r2) Å2
<r2> 117.923
(<r2>)1/2 10.859