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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B3LYP/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-45.823016
Energy at 298.15K-45.828641
Nuclear repulsion energy86.817152
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/CEP-31G*
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 3708 3581 28.88      
2 A 3577 3454 37.98      
3 A 3251 3139 7.27      
4 A 3168 3059 16.92      
5 A 3150 3042 10.69      
6 A 1767 1707 268.52      
7 A 1697 1639 41.91      
8 A 1622 1567 110.84      
9 A 1426 1377 90.62      
10 A 1344 1298 52.05      
11 A 1268 1224 103.94      
12 A 1099 1062 6.11      
13 A 1021 986 61.50      
14 A 1020 985 7.68      
15 A 994 960 20.76      
16 A 814 786 15.95      
17 A 812 784 13.50      
18 A 607 586 16.62      
19 A 587 567 3.20      
20 A 469 453 23.94      
21 A 453 438 8.42      
22 A 271 262 56.76      
23 A 264 255 192.49      
24 A 125 120 10.93      

Unscaled Zero Point Vibrational Energy (zpe) 17256.9 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 16665.0 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/CEP-31G*
ABC
0.34764 0.13672 0.09821

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.810 -0.669 -0.018
C2 0.464 0.150 -0.008
N3 1.632 -0.607 -0.044
O4 0.489 1.387 -0.003
C5 -2.018 -0.044 0.016
H6 -0.737 -1.762 -0.055
H7 2.504 -0.105 0.107
H8 1.617 -1.601 0.173
H9 -2.067 1.048 0.047
H10 -2.956 -0.611 0.011

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.51452.44252.43121.36071.09623.36392.60692.12902.1472
C21.51451.39221.23682.49052.25822.05902.10412.68683.5041
N32.44251.39222.29883.69392.63481.01811.01674.05384.5882
O42.43121.23682.29882.88713.37882.50963.19812.57913.9824
C51.36072.49053.69392.88712.14404.52403.95801.09411.0956
H61.09622.25822.63483.37882.14403.64342.37053.11072.5008
H73.36392.05901.01812.50964.52403.64341.74024.71515.4845
H82.60692.10411.01673.19813.95802.37051.74024.53974.6820
H92.12902.68684.05382.57911.09413.11074.71514.53971.8826
H102.14723.50414.58823.98241.09562.50085.48454.68201.8826

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.283 C1 C2 O4 123.860
C1 C5 H9 119.899 C1 C5 H10 121.522
C2 C1 C5 119.948 C2 C1 H6 118.889
C2 N3 H7 116.498 C2 N3 H8 120.938
N3 C2 O4 121.834 C5 C1 H6 121.163
H7 N3 H8 117.571 H9 C5 H10 118.579
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.037      
2 C -0.305      
3 N -0.372      
4 O -0.122      
5 C -0.648      
6 H 0.291      
7 H 0.325      
8 H 0.312      
9 H 0.273      
10 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.257 -3.654 0.596 3.711
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.255 -2.813 1.257
y -2.813 -30.053 -0.576
z 1.257 -0.576 -32.070
Traceless
 xyz
x 9.806 -2.813 1.257
y -2.813 -3.391 -0.576
z 1.257 -0.576 -6.416
Polar
3z2-r2-12.832
x2-y28.798
xy-2.813
xz1.257
yz-0.576


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.107 -0.835 -0.058
y -0.835 6.470 0.041
z -0.058 0.041 3.272


<r2> (average value of r2) Å2
<r2> 96.806
(<r2>)1/2 9.839