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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-245.846903
Energy at 298.15K-245.852798
Nuclear repulsion energy160.787069
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 BLYP/3-21G
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 3541 3522 15.46      
2 A 3410 3391 17.58      
3 A 3174 3157 5.28      
4 A 3091 3074 13.86      
5 A 3081 3064 7.23      
6 A 1676 1667 93.75      
7 A 1633 1624 72.16      
8 A 1602 1593 43.94      
9 A 1435 1427 45.93      
10 A 1337 1330 16.24      
11 A 1263 1256 137.86      
12 A 1091 1085 6.23      
13 A 1028 1022 5.63      
14 A 1006 1001 36.35      
15 A 968 962 15.52      
16 A 815 810 45.10      
17 A 767 763 8.17      
18 A 628 624 31.81      
19 A 604 601 4.24      
20 A 480 477 80.87      
21 A 464 461 5.94      
22 A 419 417 173.82      
23 A 278 277 8.59      
24 A 150 149 6.48      

Unscaled Zero Point Vibrational Energy (zpe) 16969.5 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 16876.2 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 BLYP/3-21G
ABC
0.34200 0.13961 0.09914

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.801 -0.676 0.000
C2 0.475 0.130 0.000
N3 1.628 -0.640 -0.000
O4 0.494 1.384 0.000
C5 -1.980 -0.037 -0.000
H6 -0.731 -1.767 0.001
H7 2.531 -0.162 -0.000
H8 1.609 -1.661 0.000
H9 -1.984 1.056 -0.000
H10 -2.937 -0.561 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.50882.42842.43321.34131.09363.37112.60332.09802.1392
C21.50881.38561.25512.46112.24812.07642.11932.62853.4812
N32.42841.38562.32023.65772.61451.02231.02113.99044.5649
O42.43321.25512.32022.85353.38152.55763.24322.50003.9440
C51.34132.46113.65772.85352.13364.51303.93951.09341.0907
H61.09362.24812.61453.38152.13363.63622.34303.08902.5135
H73.37112.07641.02232.55764.51303.63621.75994.67705.4824
H82.60332.11931.02113.24323.93952.34301.75994.50524.6770
H92.09802.62853.99042.50001.09343.08904.67704.50521.8769
H102.13923.48124.56493.94401.09072.51355.48244.67701.8769

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.004 C1 C2 O4 123.111
C1 C5 H9 118.657 C1 C5 H10 122.855
C2 C1 C5 119.309 C2 C1 H6 118.635
C2 N3 H7 118.382 C2 N3 H8 122.704
N3 C2 O4 122.884 C5 C1 H6 122.055
H7 N3 H8 118.914 H9 C5 H10 118.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.225      
2 C 0.577      
3 N -0.697      
4 O -0.474      
5 C -0.308      
6 H 0.155      
7 H 0.300      
8 H 0.292      
9 H 0.203      
10 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.819 -3.293 0.001 3.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.699 -2.892 0.002
y -2.892 -29.592 -0.003
z 0.002 -0.003 -31.531
Traceless
 xyz
x 8.862 -2.892 0.002
y -2.892 -2.977 -0.003
z 0.002 -0.003 -5.885
Polar
3z2-r2-11.770
x2-y27.893
xy-2.892
xz0.002
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> 116.946
(<r2>)1/2 10.814