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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-247.005635
Energy at 298.15K-247.011044
Nuclear repulsion energy161.724911
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/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 3664 3614 30.56      
2 A 3522 3474 31.10      
3 A 3198 3154 2.72      
4 A 3102 3060 9.16      
5 A 3087 3045 13.23      
6 A 1744 1720 188.17      
7 A 1656 1633 25.77      
8 A 1570 1548 114.16      
9 A 1394 1375 81.23      
10 A 1323 1305 35.49      
11 A 1251 1234 66.31      
12 A 1079 1064 2.06      
13 A 999 986 2.62      
14 A 985 972 27.16      
15 A 940 927 13.62      
16 A 797 786 6.15      
17 A 784 773 18.30      
18 A 609 601 9.47      
19 A 591 583 6.32      
20 A 455 448 9.31      
21 A 449 443 6.20      
22 A 268 264 7.13      
23 A 158 156 145.67      
24 A 111 110 76.99      

Unscaled Zero Point Vibrational Energy (zpe) 16867.0 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 16636.0 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/6-31G**
ABC
0.35115 0.13972 0.09997

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.800 -0.661 -0.008
C2 0.475 0.128 -0.002
N3 1.619 -0.639 -0.018
O4 0.510 1.362 -0.001
C5 -1.983 -0.028 0.007
H6 -0.743 -1.756 -0.026
H7 2.509 -0.157 0.058
H8 1.600 -1.647 0.094
H9 -2.001 1.066 0.022
H10 -2.933 -0.568 0.004

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49932.41862.41011.34171.09713.34802.59622.10382.1351
C21.49931.37681.23482.46322.24412.05492.10322.64833.4785
N32.41861.37682.28763.65312.61311.01541.01454.00144.5521
O42.41011.23482.28762.85463.36112.51193.20172.52893.9472
C51.34172.46323.65312.85462.12694.49453.93221.09451.0926
H61.09712.24412.61313.36112.12693.62562.34873.09032.4912
H73.34802.05491.01542.51194.49453.62561.74594.67375.4580
H82.59622.10321.01453.20173.93222.34871.74594.50904.6599
H92.10382.64834.00142.52891.09453.09034.67374.50901.8812
H102.13513.47854.55213.94721.09262.49125.45804.65991.8812

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.414 C1 C2 O4 123.355
C1 C5 H9 119.091 C1 C5 H10 122.253
C2 C1 C5 120.129 C2 C1 H6 118.790
C2 N3 H7 117.618 C2 N3 H8 122.448
N3 C2 O4 122.225 C5 C1 H6 121.081
H7 N3 H8 118.651 H9 C5 H10 118.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.102      
2 C 0.513      
3 N -0.598      
4 O -0.480      
5 C -0.234      
6 H 0.091      
7 H 0.278      
8 H 0.268      
9 H 0.147      
10 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.589 -3.365 0.292 3.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.633 -2.858 0.603
y -2.858 -29.525 -0.307
z 0.603 -0.307 -31.281
Traceless
 xyz
x 8.770 -2.858 0.603
y -2.858 -3.068 -0.307
z 0.603 -0.307 -5.702
Polar
3z2-r2-11.404
x2-y27.892
xy-2.858
xz0.603
yz-0.307


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.121 -0.784 -0.003
y -0.784 6.672 0.012
z -0.003 0.012 2.555


<r2> (average value of r2) Å2
<r2> 116.108
(<r2>)1/2 10.775