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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-247.303117
Energy at 298.15K-247.308549
Nuclear repulsion energy162.562530
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 3750 3603 35.85      
2 A 3610 3468 44.37      
3 A 3263 3135 3.18      
4 A 3172 3047 10.16      
5 A 3157 3033 11.29      
6 A 1795 1725 224.69      
7 A 1708 1641 33.68      
8 A 1625 1562 126.26      
9 A 1447 1390 81.28      
10 A 1364 1310 46.97      
11 A 1295 1244 92.63      
12 A 1116 1072 2.33      
13 A 1038 998 3.56      
14 A 1021 981 30.34      
15 A 991 953 9.34      
16 A 818 786 6.24      
17 A 814 782 22.66      
18 A 622 597 9.29      
19 A 613 589 8.39      
20 A 471 453 7.86      
21 A 466 447 5.34      
22 A 279 268 7.33      
23 A 137 131 41.94      
24 A 77 74 193.58      

Unscaled Zero Point Vibrational Energy (zpe) 17323.1 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 16644.1 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
0.35640 0.14049 0.10078

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 -0.801 -0.654 -0.004
C2 0.476 0.128 -0.001
N3 1.612 -0.636 -0.010
O4 0.512 1.352 -0.000
C5 -1.977 -0.027 0.004
H6 -0.744 -1.741 -0.014
H7 2.501 -0.161 0.031
H8 1.594 -1.640 0.051
H9 -2.005 1.059 0.012
H10 -2.918 -0.567 0.002

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49682.41312.39761.33291.08863.33822.59032.09392.1187
C21.49681.36941.22472.45742.23132.04582.09272.65003.4637
N32.41311.36942.27193.64052.60211.00811.00663.99504.5305
O42.39761.22472.27192.84573.33832.49873.18222.53493.9305
C51.33292.45743.64052.84572.11194.47963.91851.08581.0850
H61.08862.23132.60213.33832.11193.60872.34023.07102.4708
H73.33822.04581.00812.49874.47963.60871.73544.66835.4336
H82.59032.09271.00663.18223.91852.34021.73544.49894.6374
H92.09392.65003.99502.53491.08583.07104.66834.49891.8644
H102.11873.46374.53053.93051.08502.47085.43364.63741.8644

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.616 C1 C2 O4 123.208
C1 C5 H9 119.575 C1 C5 H10 122.051
C2 C1 C5 120.444 C2 C1 H6 118.470
C2 N3 H7 117.936 C2 N3 H8 122.739
N3 C2 O4 122.174 C5 C1 H6 121.085
H7 N3 H8 118.945 H9 C5 H10 118.373
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 -0.095      
2 C 0.563      
3 N -0.617      
4 O -0.516      
5 C -0.206      
6 H 0.079      
7 H 0.278      
8 H 0.267      
9 H 0.139      
10 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.456 -3.481 0.164 3.515
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.644 -2.951 0.336
y -2.951 -29.778 -0.172
z 0.336 -0.172 -31.195
Traceless
 xyz
x 8.842 -2.951 0.336
y -2.951 -3.359 -0.172
z 0.336 -0.172 -5.483
Polar
3z2-r2-10.967
x2-y28.134
xy-2.951
xz0.336
yz-0.172


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.695 -0.786 -0.002
y -0.786 6.437 0.006
z -0.002 0.006 2.500


<r2> (average value of r2) Å2
<r2> 115.348
(<r2>)1/2 10.740