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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: PBEPBE/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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-247.094265
Energy at 298.15K-247.099569
Nuclear repulsion energy162.196282
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 PBEPBE/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 3645 3620 31.43      
2 A 3509 3485 32.37      
3 A 3170 3148 2.25      
4 A 3079 3057 10.45      
5 A 3068 3047 11.93      
6 A 1713 1701 209.33      
7 A 1639 1627 32.55      
8 A 1557 1546 105.81      
9 A 1388 1378 79.91      
10 A 1314 1305 34.91      
11 A 1246 1237 73.68      
12 A 1073 1066 1.82      
13 A 996 989 2.99      
14 A 983 976 32.56      
15 A 956 950 11.31      
16 A 790 784 5.75      
17 A 789 783 13.97      
18 A 606 602 1.78      
19 A 593 589 7.98      
20 A 452 449 8.88      
21 A 449 446 4.99      
22 A 266 264 6.98      
23 A 130 129 18.43      
24 A 65 64 150.99      

Unscaled Zero Point Vibrational Energy (zpe) 16736.5 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 16621.0 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 PBEPBE/cc-pVTZ
ABC
0.35327 0.14021 0.10037

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.801 -0.650 -0.001
C2 -0.477 0.130 -0.000
N3 -1.609 -0.643 -0.001
O4 -0.521 1.358 -0.000
C5 1.981 -0.026 0.001
H6 0.745 -1.743 -0.002
H7 -2.509 -0.179 0.005
H8 -1.576 -1.654 0.007
H9 2.011 1.065 0.002
H10 2.923 -0.574 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49712.40972.40421.33511.09393.34322.58012.09892.1236
C21.49711.37141.22862.46282.23602.05592.09592.65723.4720
N32.40971.37142.27823.64272.59761.01291.01124.00254.5325
O42.40421.22862.27822.85963.34912.51323.19172.54863.9490
C51.33512.46283.64272.85962.11544.49283.91181.09161.0896
H61.09392.23602.59763.34912.11543.60992.32223.07982.4721
H73.34322.05591.01292.51324.49283.60991.74534.68805.4465
H82.58012.09591.01123.19173.91182.32221.74534.50084.6268
H92.09892.65724.00252.54861.09163.07984.68804.50081.8757
H102.12363.47204.53253.94901.08962.47215.44654.62681.8757

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.224 C1 C2 O4 123.489
C1 C5 H9 119.414 C1 C5 H10 121.962
C2 C1 C5 120.716 C2 C1 H6 118.480
C2 N3 H7 118.368 C2 N3 H8 122.480
N3 C2 O4 122.287 C5 C1 H6 120.803
H7 N3 H8 119.145 H9 C5 H10 118.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.120      
2 C 0.209      
3 N -0.190      
4 O -0.302      
5 C -0.213      
6 H 0.082      
7 H 0.149      
8 H 0.145      
9 H 0.125      
10 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.565 -3.492 0.019 3.538
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.251 3.013 -0.040
y 3.013 -30.322 -0.019
z -0.040 -0.019 -31.990
Traceless
 xyz
x 8.904 3.013 -0.040
y 3.013 -3.201 -0.019
z -0.040 -0.019 -5.703
Polar
3z2-r2-11.406
x2-y28.070
xy3.013
xz-0.040
yz-0.019


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.007 0.799 0.000
y 0.799 7.362 0.001
z 0.000 0.001 3.945


<r2> (average value of r2) Å2
<r2> 116.144
(<r2>)1/2 10.777