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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-247.219868
Energy at 298.15K-247.225456
Nuclear repulsion energy162.638224
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 B3PW91/6-31+G**
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 3770 3619 48.63      
2 A 3626 3481 53.52      
3 A 3273 3142 1.68      
4 A 3180 3053 13.08      
5 A 3167 3041 8.57      
6 A 1784 1712 299.25      
7 A 1704 1636 38.90      
8 A 1625 1561 136.97      
9 A 1440 1383 101.40      
10 A 1362 1307 54.85      
11 A 1291 1239 82.72      
12 A 1113 1069 1.68      
13 A 1035 994 4.80      
14 A 1012 972 54.08      
15 A 998 958 6.33      
16 A 822 790 5.36      
17 A 817 785 20.73      
18 A 613 589 9.27      
19 A 613 589 2.84      
20 A 467 448 13.64      
21 A 465 447 4.80      
22 A 272 261 7.82      
23 A 203 195 206.75      
24 A 112 107 19.11      

Unscaled Zero Point Vibrational Energy (zpe) 17382.6 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 16689.0 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 B3PW91/6-31+G**
ABC
0.35724 0.14050 0.10084

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.800 -0.651 -0.000
C2 0.476 0.126 -0.000
N3 1.609 -0.636 0.001
O4 0.516 1.351 -0.000
C5 -1.978 -0.025 0.000
H6 -0.744 -1.738 -0.001
H7 2.501 -0.166 -0.000
H8 1.589 -1.642 0.000
H9 -2.013 1.061 0.001
H10 -2.915 -0.573 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49372.40932.39531.33431.08913.33672.58642.09822.1167
C21.49371.36581.22512.45912.22822.04652.08942.65903.4626
N32.40931.36582.26753.63952.59891.00821.00644.00044.5250
O42.39531.22512.26752.84903.33622.49833.17912.54613.9342
C51.33432.45913.63952.84902.11154.48213.91671.08681.0855
H61.08912.22822.59893.33622.11153.60632.33513.07362.4637
H73.33672.04651.00822.49834.48213.60631.73524.67855.4319
H82.58642.08941.00643.17913.91672.33511.73524.50364.6291
H92.09822.65904.00042.54611.08683.07364.67854.50361.8670
H102.11673.46264.52503.93421.08552.46375.43194.62911.8670

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.747 C1 C2 O4 123.223
C1 C5 H9 119.792 C1 C5 H10 121.695
C2 C1 C5 120.707 C2 C1 H6 118.405
C2 N3 H7 118.312 C2 N3 H8 122.750
N3 C2 O4 122.030 C5 C1 H6 120.889
H7 N3 H8 118.938 H9 C5 H10 118.514
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.178      
2 C 0.230      
3 N -0.563      
4 O -0.537      
5 C -0.437      
6 H 0.139      
7 H 0.332      
8 H 0.307      
9 H 0.192      
10 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.316 -3.746 -0.001 3.759
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.793 -3.212 -0.005
y -3.212 -30.624 0.005
z -0.005 0.005 -32.523
Traceless
 xyz
x 9.780 -3.212 -0.005
y -3.212 -3.466 0.005
z -0.005 0.005 -6.314
Polar
3z2-r2-12.628
x2-y28.831
xy-3.212
xz-0.005
yz0.005


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> 115.783
(<r2>)1/2 10.760