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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B1B95/CEP-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 B1B95/CEP-31G*
 hartrees
Energy at 0K-45.765301
Energy at 298.15K-45.770751
Nuclear repulsion energy87.140927
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 B1B95/CEP-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 3774 3612 42.82      
2 A 3634 3478 57.21      
3 A 3273 3133 6.73      
4 A 3193 3056 15.23      
5 A 3171 3036 9.51      
6 A 1808 1731 302.92      
7 A 1719 1646 32.07      
8 A 1616 1546 143.98      
9 A 1423 1362 118.41      
10 A 1351 1294 44.34      
11 A 1269 1215 64.05      
12 A 1096 1049 0.72      
13 A 1022 978 47.95      
14 A 1009 966 4.33      
15 A 1000 958 33.30      
16 A 821 786 17.42      
17 A 819 784 8.42      
18 A 612 586 6.73      
19 A 596 570 5.77      
20 A 473 452 14.71      
21 A 446 427 4.56      
22 A 250 239 7.29      
23 A 164 157 188.48      
24 A 116 111 71.05      

Unscaled Zero Point Vibrational Energy (zpe) 17326.5 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 16584.9 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 B1B95/CEP-31G*
ABC
0.35015 0.13817 0.09910

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.802 -0.673 -0.008
C2 -0.479 0.129 -0.002
N3 -1.629 -0.636 -0.018
O4 -0.512 1.362 -0.001
C5 1.995 -0.022 0.007
H6 0.749 -1.766 -0.025
H7 -2.517 -0.153 0.062
H8 -1.609 -1.642 0.092
H9 2.012 1.072 0.021
H10 2.947 -0.563 0.005

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.51112.43112.42181.35901.09523.36032.60092.12332.1473
C21.51111.38131.23292.47832.25852.05902.10342.66333.4945
N32.43111.38132.28843.67552.63261.01421.01234.02164.5759
O42.42181.23292.28842.86353.37272.51393.19902.54093.9582
C51.35902.47833.67552.86352.14424.51453.95271.09391.0948
H61.09522.25852.63263.37272.14423.64362.36443.10702.5057
H73.36032.05901.01422.51394.51453.64361.74374.69235.4794
H82.60092.10341.01233.19903.95272.36441.74374.52614.6827
H92.12332.66334.02162.54091.09393.10704.69234.52611.8833
H102.14733.49454.57593.95821.09482.50575.47944.68271.8833

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.314 C1 C2 O4 123.602
C1 C5 H9 119.516 C1 C5 H10 121.741
C2 C1 C5 119.332 C2 C1 H6 119.260
C2 N3 H7 117.713 C2 N3 H8 122.231
N3 C2 O4 122.079 C5 C1 H6 121.407
H7 N3 H8 118.740 H9 C5 H10 118.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.042      
2 C -0.335      
3 N -0.368      
4 O -0.114      
5 C -0.647      
6 H 0.288      
7 H 0.336      
8 H 0.325      
9 H 0.266      
10 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.428 -3.743 0.316 3.780
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.889 3.131 -0.681
y 3.131 -29.489 -0.326
z -0.681 -0.326 -31.803
Traceless
 xyz
x 9.758 3.131 -0.681
y 3.131 -3.143 -0.326
z -0.681 -0.326 -6.615
Polar
3z2-r2-13.229
x2-y28.600
xy3.131
xz-0.681
yz-0.326


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.779 0.892 0.019
y 0.892 6.406 0.020
z 0.019 0.020 3.204


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000