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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-247.195911
Energy at 298.15K-247.201440
Nuclear repulsion energy162.766367
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 B3PW91/6-31G*
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 3748 3585 37.46      
2 A 3618 3461 45.43      
3 A 3278 3136 2.90      
4 A 3188 3050 10.01      
5 A 3174 3036 12.59      
6 A 1815 1736 232.96      
7 A 1719 1645 30.71      
8 A 1647 1576 127.60      
9 A 1454 1391 94.47      
10 A 1374 1315 51.61      
11 A 1302 1245 75.76      
12 A 1124 1075 2.44      
13 A 1043 998 3.69      
14 A 1021 977 36.10      
15 A 989 947 12.48      
16 A 826 791 6.63      
17 A 818 783 27.16      
18 A 624 597 12.70      
19 A 612 585 6.53      
20 A 470 450 9.48      
21 A 464 444 7.18      
22 A 275 263 7.37      
23 A 171 164 199.57      
24 A 109 104 61.49      

Unscaled Zero Point Vibrational Energy (zpe) 17431.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 16676.7 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 B3PW91/6-31G*
ABC
0.35706 0.14102 0.10112

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.798 -0.654 -0.010
C2 -0.475 0.128 -0.003
N3 -1.609 -0.634 -0.017
O4 -0.510 1.350 -0.002
C5 1.973 -0.027 0.008
H6 0.741 -1.742 -0.031
H7 -2.497 -0.161 0.059
H8 -1.591 -1.635 0.096
H9 2.003 1.059 0.026
H10 2.915 -0.567 0.005

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49372.40712.39341.33251.08953.33232.58422.09532.1196
C21.49371.36721.22272.45282.23092.04402.08952.64703.4607
N32.40711.36722.26893.63382.59851.00911.00763.98994.5253
O42.39341.22272.26892.83983.33612.49723.17692.53003.9257
C51.33252.45283.63382.83982.11204.47273.91111.08691.0861
H61.08952.23092.59853.33612.11203.60502.33783.07292.4715
H73.33232.04401.00912.49724.47273.60501.73154.66275.4281
H82.58422.08951.00763.17693.91112.33781.73154.49244.6319
H92.09532.64703.98992.53001.08693.07294.66274.49241.8652
H102.11963.46074.52533.92571.08612.47155.42814.63191.8652

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.501 C1 C2 O4 123.251
C1 C5 H9 119.654 C1 C5 H10 122.083
C2 C1 C5 120.323 C2 C1 H6 118.621
C2 N3 H7 117.882 C2 N3 H8 122.528
N3 C2 O4 122.243 C5 C1 H6 121.056
H7 N3 H8 118.316 H9 C5 H10 118.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176     -0.305
2 C 0.592     0.739
3 N -0.799     -0.954
4 O -0.518     -0.524
5 C -0.354     -0.262
6 H 0.157     0.160
7 H 0.362     0.419
8 H 0.354     0.405
9 H 0.208     0.161
10 H 0.176     0.160


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.455 -3.499 0.319 3.543
CHELPG        
AIM        
ESP -0.440 -3.504 0.379 3.552


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.275 2.955 -0.648
y 2.955 -29.480 -0.319
z -0.648 -0.319 -31.307
Traceless
 xyz
x 9.119 2.955 -0.648
y 2.955 -3.189 -0.319
z -0.648 -0.319 -5.929
Polar
3z2-r2-11.858
x2-y28.205
xy2.955
xz-0.648
yz-0.319


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> 114.928
(<r2>)1/2 10.720