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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-245.824264
Energy at 298.15K-245.830345
Nuclear repulsion energy162.892656
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 B1B95/3-21G
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 3700 3539 32.87      
2 A 3567 3413 43.11      
3 A 3281 3139 2.33      
4 A 3204 3065 11.18      
5 A 3180 3042 3.23      
6 A 1769 1692 146.54      
7 A 1704 1630 44.52      
8 A 1671 1599 93.59      
9 A 1463 1400 78.48      
10 A 1381 1321 57.91      
11 A 1321 1263 102.12      
12 A 1130 1081 3.97      
13 A 1066 1020 4.38      
14 A 1042 997 61.99      
15 A 1034 989 6.39      
16 A 861 824 76.41      
17 A 809 774 7.66      
18 A 659 631 74.02      
19 A 625 598 5.28      
20 A 528 505 210.16      
21 A 476 456 5.93      
22 A 475 455 31.41      
23 A 274 263 10.40      
24 A 149 142 6.36      

Unscaled Zero Point Vibrational Energy (zpe) 17684.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 16918.3 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 B1B95/3-21G
ABC
0.35202 0.14357 0.10198

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.787 -0.679 -0.000
C2 0.470 0.125 0.000
N3 1.614 -0.619 0.000
O4 0.469 1.364 -0.000
C5 -1.949 -0.038 0.000
H6 -0.718 -1.761 -0.001
H7 2.503 -0.137 -0.000
H8 1.604 -1.628 0.001
H9 -1.939 1.048 0.001
H10 -2.903 -0.549 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49262.40162.39791.32751.08453.33462.57262.07562.1203
C21.49261.36411.23862.42532.22972.04982.08802.57993.4405
N32.40161.36412.28943.61032.59681.01131.00953.92414.5177
O42.39791.23862.28942.79503.34292.52843.20012.42833.8769
C51.32752.42533.61032.79502.11814.45383.89311.08551.0823
H61.08452.22972.59683.34292.11813.60752.32603.06282.4990
H73.33462.04981.01132.52844.45383.60751.74094.59765.4223
H82.57262.08801.00953.20013.89312.32601.74094.43994.6348
H92.07562.57993.92412.42831.08553.06284.59764.43991.8654
H102.12033.44054.51773.87691.08232.49905.42234.63481.8654

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.347 C1 C2 O4 122.525
C1 C5 H9 118.328 C1 C5 H10 122.933
C2 C1 C5 118.516 C2 C1 H6 118.958
C2 N3 H7 118.530 C2 N3 H8 122.498
N3 C2 O4 123.127 C5 C1 H6 122.525
H7 N3 H8 118.972 H9 C5 H10 118.739
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.294      
2 C 0.647      
3 N -0.795      
4 O -0.516      
5 C -0.362      
6 H 0.201      
7 H 0.335      
8 H 0.326      
9 H 0.245      
10 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.737 -3.448 0.000 3.526
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.164 -2.885 -0.001
y -2.885 -29.516 0.000
z -0.001 0.000 -31.598
Traceless
 xyz
x 9.393 -2.885 -0.001
y -2.885 -3.135 0.000
z -0.001 0.000 -6.258
Polar
3z2-r2-12.517
x2-y28.352
xy-2.885
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.874 -0.799 -0.001
y -0.799 5.861 0.000
z -0.001 0.000 1.700


<r2> (average value of r2) Å2
<r2> 114.107
(<r2>)1/2 10.682