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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-242.638536
Energy at 298.15K-242.644278
Nuclear repulsion energy160.679078
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 HF/STO-3G
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 4151 3390 1.04      
2 A 3951 3226 6.54      
3 A 3811 3112 1.82      
4 A 3728 3044 5.01      
5 A 3651 2981 35.33      
6 A 2102 1716 57.04      
7 A 2019 1649 26.99      
8 A 1949 1592 14.65      
9 A 1688 1378 30.38      
10 A 1546 1262 23.80      
11 A 1461 1193 92.56      
12 A 1303 1064 33.65      
13 A 1228 1003 5.77      
14 A 1221 997 2.02      
15 A 1184 966 10.61      
16 A 933 762 70.03      
17 A 908 741 56.87      
18 A 797 651 138.55      
19 A 654 534 13.48      
20 A 524 428 13.15      
21 A 478 390 10.85      
22 A 353 288 47.15      
23 A 269 220 0.97      
24 A 102 83 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 20004.1 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 16333.3 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 HF/STO-3G
ABC
0.34874 0.13568 0.09815

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.832 -0.639 -0.031
C2 -0.469 0.142 -0.012
N3 -1.654 -0.682 -0.086
O4 -0.532 1.362 0.001
C5 1.996 -0.036 0.025
H6 0.749 -1.716 -0.101
H7 -2.484 -0.148 0.204
H8 -1.574 -1.523 0.499
H9 2.063 1.043 0.090
H10 2.932 -0.579 0.007

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.51782.48732.42181.31141.08263.36012.61722.08792.1012
C21.51781.44531.22112.47132.22362.04682.06212.68963.4769
N32.48731.44532.33273.70802.61611.02771.02714.10174.5884
O42.42181.22112.33272.88873.33532.47573.10672.61643.9710
C51.31142.47133.70802.88872.09574.48423.89521.08361.0826
H61.08262.22362.61613.33532.09573.60532.40623.06222.4641
H73.36012.04681.02772.47574.48423.60531.67444.70175.4364
H82.61722.06211.02713.10673.89522.40621.67444.46954.6296
H92.08792.68964.10172.61641.08363.06224.70174.46951.8422
H102.10123.47694.58843.97101.08262.46415.43644.62961.8422

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.136 C1 C2 O4 123.950
C1 C5 H9 121.044 C1 C5 H10 122.438
C2 C1 C5 121.567 C2 C1 H6 116.541
C2 N3 H7 110.584 C2 N3 H8 111.924
N3 C2 O4 121.829 C5 C1 H6 121.891
H7 N3 H8 109.147 H9 C5 H10 116.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.086      
2 C 0.285      
3 N -0.406      
4 O -0.258      
5 C -0.109      
6 H 0.068      
7 H 0.177      
8 H 0.171      
9 H 0.083      
10 H 0.074      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.348 -1.772 1.367 2.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.860 0.679 -2.565
y 0.679 -28.870 -1.402
z -2.565 -1.402 -27.814
Traceless
 xyz
x 4.482 0.679 -2.565
y 0.679 -3.033 -1.402
z -2.565 -1.402 -1.449
Polar
3z2-r2-2.897
x2-y25.010
xy0.679
xz-2.565
yz-1.402


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.077 0.395 -0.045
y 0.395 3.939 -0.073
z -0.045 -0.073 0.857


<r2> (average value of r2) Å2
<r2> 117.361
(<r2>)1/2 10.833