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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-247.225189
Energy at 298.15K-247.231215
Nuclear repulsion energy161.686973
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 B3LYP/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 3606 27.68      
2 A 3610 3473 39.81      
3 A 3275 3151 5.21      
4 A 3184 3063 11.60      
5 A 3169 3048 11.32      
6 A 1733 1668 119.29      
7 A 1695 1631 126.37      
8 A 1663 1599 91.96      
9 A 1481 1424 82.71      
10 A 1388 1335 62.67      
11 A 1332 1282 95.29      
12 A 1128 1086 4.74      
13 A 1075 1034 4.83      
14 A 1036 997 60.39      
15 A 1028 989 0.00      
16 A 834 802 66.66      
17 A 831 800 4.53      
18 A 652 627 117.38      
19 A 623 599 8.65      
20 A 519 499 194.43      
21 A 476 458 5.21      
22 A 465 447 22.56      
23 A 281 270 8.57      
24 A 129 124 5.54      

Unscaled Zero Point Vibrational Energy (zpe) 17677.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 17005.4 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 B3LYP/6-31G
ABC
0.35037 0.13959 0.09982

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.800 -0.654 -0.000
C2 0.474 0.118 -0.000
N3 1.618 -0.640 0.000
O4 0.513 1.369 -0.000
C5 -1.984 -0.031 0.000
H6 -0.737 -1.740 -0.001
H7 2.507 -0.164 0.000
H8 1.606 -1.647 0.001
H9 -2.026 1.054 0.001
H10 -2.922 -0.576 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.48962.41852.41241.33791.08833.34362.60272.10252.1233
C21.48961.37241.25232.46262.21812.05302.09642.66983.4661
N32.41851.37242.29303.65362.60011.00831.00704.01904.5407
O42.41241.25232.29302.86363.35202.51563.20792.55943.9482
C51.33792.46263.65362.86362.11584.49363.93681.08591.0847
H61.08832.21812.60013.35202.11583.60732.34503.07742.4755
H73.34362.05301.00832.51564.49363.60731.73504.69465.4451
H82.60272.09641.00703.20793.93682.34501.73504.52624.6527
H92.10252.66984.01902.55941.08593.07744.69464.52621.8601
H102.12333.46614.54073.94821.08472.47555.44514.65271.8601

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 115.289 C1 C2 O4 123.018
C1 C5 H9 119.969 C1 C5 H10 122.087
C2 C1 C5 121.050 C2 C1 H6 117.896
C2 N3 H7 118.358 C2 N3 H8 122.797
N3 C2 O4 121.693 C5 C1 H6 121.054
H7 N3 H8 118.845 H9 C5 H10 117.944
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.094      
2 C 0.486      
3 N -0.736      
4 O -0.473      
5 C -0.272      
6 H 0.123      
7 H 0.333      
8 H 0.322      
9 H 0.176      
10 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.377 -3.822 0.002 3.841
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.485 -3.205 0.003
y -3.205 -30.594 -0.001
z 0.003 -0.001 -31.592
Traceless
 xyz
x 9.608 -3.205 0.003
y -3.205 -4.056 -0.001
z 0.003 -0.001 -5.552
Polar
3z2-r2-11.104
x2-y29.110
xy-3.205
xz0.003
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.512 -0.816 -0.001
y -0.816 6.404 0.000
z -0.001 0.000 2.094


<r2> (average value of r2) Å2
<r2> 116.461
(<r2>)1/2 10.792