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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B3LYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-247.358165
Energy at 298.15K-247.363675
Nuclear repulsion energy162.806064
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/6-311G*
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 3734 3608 26.13      
2 A 3603 3482 34.38      
3 A 3238 3129 5.40      
4 A 3152 3046 12.67      
5 A 3138 3033 15.58      
6 A 1778 1719 256.86      
7 A 1695 1638 37.23      
8 A 1654 1598 119.70      
9 A 1447 1398 82.50      
10 A 1361 1315 45.97      
11 A 1296 1252 102.11      
12 A 1121 1084 3.51      
13 A 1044 1009 4.75      
14 A 1016 982 42.05      
15 A 988 954 11.29      
16 A 822 794 26.80      
17 A 813 786 6.27      
18 A 625 604 4.47      
19 A 618 597 9.62      
20 A 470 454 13.14      
21 A 468 452 5.13      
22 A 279 270 7.15      
23 A 148 143 119.19      
24 A 103 99 122.39      

Unscaled Zero Point Vibrational Energy (zpe) 17305.4 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 16722.2 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/6-311G*
ABC
0.35796 0.14061 0.10096

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.801 -0.649 -0.000
C2 -0.477 0.131 -0.000
N3 -1.609 -0.637 -0.000
O4 -0.516 1.349 0.000
C5 1.976 -0.027 0.000
H6 0.747 -1.736 -0.000
H7 -2.502 -0.172 0.001
H8 -1.588 -1.642 0.001
H9 2.014 1.057 -0.000
H10 2.915 -0.570 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49762.41042.39311.32941.08803.33772.58752.09322.1148
C21.49761.36801.21832.45802.23222.04762.09242.65713.4632
N32.41041.36802.26663.63662.59951.00691.00513.99914.5242
O42.39311.21832.26662.84643.33302.50123.17692.54613.9306
C51.32942.45803.63662.84642.10514.48033.91301.08481.0843
H61.08802.23222.59953.33302.10513.60572.33693.06692.4616
H73.33772.04761.00692.50124.48033.60571.73104.67975.4313
H82.58752.09241.00513.17693.91302.33691.73104.50084.6287
H92.09322.65713.99912.54611.08483.06694.67974.50081.8600
H102.11483.46324.52423.93061.08432.46165.43134.62871.8600

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.448 C1 C2 O4 123.235
C1 C5 H9 119.892 C1 C5 H10 122.042
C2 C1 C5 120.684 C2 C1 H6 118.528
C2 N3 H7 118.329 C2 N3 H8 122.966
N3 C2 O4 122.317 C5 C1 H6 120.789
H7 N3 H8 118.705 H9 C5 H10 118.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.305     -0.335
2 C 0.492     0.819
3 N -0.788     -1.023
4 O -0.366     -0.551
5 C -0.367     -0.276
6 H 0.187     0.168
7 H 0.353     0.438
8 H 0.350     0.426
9 H 0.232     0.166
10 H 0.211     0.167


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.488 -3.581 0.002 3.614
CHELPG        
AIM        
ESP -0.462 -3.581 0.003 3.611


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.896 3.054 -0.005
y 3.054 -30.164 -0.002
z -0.005 -0.002 -32.076
Traceless
 xyz
x 9.224 3.054 -0.005
y 3.054 -3.178 -0.002
z -0.005 -0.002 -6.045
Polar
3z2-r2-12.091
x2-y28.268
xy3.054
xz-0.005
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.984 0.834 -0.000
y 0.834 6.594 0.002
z -0.000 0.002 3.078


<r2> (average value of r2) Å2
<r2> 115.511
(<r2>)1/2 10.748