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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-247.236620
Energy at 298.15K-247.242129
Nuclear repulsion energy163.193419
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 mPW1PW91/6-31G**
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 3804 3619 45.47      
2 A 3660 3482 53.08      
3 A 3294 3135 2.02      
4 A 3201 3046 12.01      
5 A 3187 3032 8.32      
6 A 1831 1743 241.62      
7 A 1731 1647 31.46      
8 A 1637 1557 146.87      
9 A 1452 1382 106.56      
10 A 1378 1311 44.70      
11 A 1302 1239 65.87      
12 A 1125 1070 1.38      
13 A 1042 992 3.41      
14 A 1026 976 38.17      
15 A 1001 953 8.94      
16 A 830 790 5.70      
17 A 825 785 27.09      
18 A 628 597 6.98      
19 A 618 588 10.29      
20 A 473 450 9.78      
21 A 467 445 5.20      
22 A 278 264 7.75      
23 A 148 141 114.25      
24 A 98 93 129.92      

Unscaled Zero Point Vibrational Energy (zpe) 17517.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16667.8 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 mPW1PW91/6-31G**
ABC
0.35903 0.14187 0.10169

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.796 -0.657 -0.000
C2 -0.474 0.127 -0.000
N3 -1.607 -0.629 -0.000
O4 -0.504 1.347 0.000
C5 1.967 -0.026 0.000
H6 0.741 -1.743 -0.000
H7 -2.493 -0.154 0.001
H8 -1.591 -1.632 0.002
H9 1.986 1.059 0.000
H10 2.909 -0.562 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49212.40302.38791.32981.08733.32692.57862.08762.1152
C21.49211.36201.22022.44552.22952.03812.08392.63033.4522
N32.40301.36202.26293.62422.59861.00531.00353.96944.5164
O42.38791.22022.26292.82633.33062.49143.17122.50613.9099
C51.32982.44553.62422.82632.10914.46133.90341.08501.0837
H61.08732.22952.59863.33062.10913.60312.33453.06532.4688
H73.32692.03811.00532.49144.46133.60311.73214.63965.4171
H82.57862.08391.00353.17123.90342.33451.73214.47604.6256
H92.08762.63033.96942.50611.08503.06534.63964.47601.8647
H102.11523.45224.51643.90991.08372.46885.41714.62561.8647

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.619 C1 C2 O4 123.070
C1 C5 H9 119.306 C1 C5 H10 122.098
C2 C1 C5 120.026 C2 C1 H6 118.778
C2 N3 H7 118.065 C2 N3 H8 122.792
N3 C2 O4 122.312 C5 C1 H6 121.196
H7 N3 H8 119.143 H9 C5 H10 118.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.149      
2 C 0.586      
3 N -0.669      
4 O -0.526      
5 C -0.261      
6 H 0.119      
7 H 0.301      
8 H 0.290      
9 H 0.170      
10 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.476 -3.523 0.007 3.555
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.223 2.967 -0.016
y 2.967 -29.472 -0.008
z -0.016 -0.008 -31.264
Traceless
 xyz
x 9.145 2.967 -0.016
y 2.967 -3.229 -0.008
z -0.016 -0.008 -5.916
Polar
3z2-r2-11.831
x2-y28.249
xy2.967
xz-0.016
yz-0.008


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> 114.352
(<r2>)1/2 10.694