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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-247.006439
Energy at 298.15K-247.011850
HF Energy-247.006439
Nuclear repulsion energy163.081123
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 PBE1PBE/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 3774 3586 41.94      
2 A 3642 3461 51.64      
3 A 3294 3130 2.25      
4 A 3203 3044 9.89      
5 A 3188 3030 10.21      
6 A 1835 1744 244.05      
7 A 1734 1648 30.80      
8 A 1652 1570 139.33      
9 A 1459 1386 107.25      
10 A 1383 1315 48.05      
11 A 1307 1242 63.94      
12 A 1130 1074 1.57      
13 A 1046 994 3.69      
14 A 1026 975 38.24      
15 A 996 947 11.25      
16 A 833 792 6.05      
17 A 824 783 28.00      
18 A 630 598 8.32      
19 A 617 586 9.10      
20 A 473 449 9.60      
21 A 467 444 5.42      
22 A 277 264 7.57      
23 A 135 129 42.83      
24 A 63 60 219.91      

Unscaled Zero Point Vibrational Energy (zpe) 17494.5 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 16625.0 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 PBE1PBE/6-31G*
ABC
0.35839 0.14175 0.10158

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.795 -0.657 -0.005
C2 0.474 0.128 -0.002
N3 1.607 -0.630 -0.010
O4 0.505 1.348 -0.001
C5 -1.968 -0.027 0.004
H6 -0.739 -1.744 -0.015
H7 2.496 -0.156 0.033
H8 1.591 -1.634 0.052
H9 -1.990 1.060 0.013
H10 -2.911 -0.564 0.002

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49192.40232.38881.33081.08923.32902.57962.09142.1183
C21.49191.36291.22042.44652.23052.04192.08702.63483.4553
N32.40231.36292.26413.62522.59711.00801.00643.97454.5190
O42.38881.22042.26412.82873.33262.49553.17422.51173.9143
C51.33082.44653.62522.82872.11174.46543.90541.08681.0857
H61.08922.23052.59713.33262.11173.60382.33383.07062.4728
H73.32902.04191.00802.49554.46543.60381.73294.64815.4227
H82.57962.08701.00643.17423.90542.33381.73294.48194.6286
H92.09142.63483.97452.51171.08683.07064.64814.48191.8662
H102.11833.45534.51903.91431.08572.47285.42274.62861.8662

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.521 C1 C2 O4 123.148
C1 C5 H9 119.440 C1 C5 H10 122.144
C2 C1 C5 120.051 C2 C1 H6 118.749
C2 N3 H7 118.136 C2 N3 H8 122.778
N3 C2 O4 122.330 C5 C1 H6 121.200
H7 N3 H8 118.693 H9 C5 H10 118.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188      
2 C 0.595      
3 N -0.809      
4 O -0.519      
5 C -0.359      
6 H 0.163      
7 H 0.366      
8 H 0.358      
9 H 0.213      
10 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.478 -3.517 0.177 3.554
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.254 -2.970 0.362
y -2.970 -29.489 -0.180
z 0.362 -0.180 -31.412
Traceless
 xyz
x 9.197 -2.970 0.362
y -2.970 -3.156 -0.180
z 0.362 -0.180 -6.040
Polar
3z2-r2-12.081
x2-y28.235
xy-2.970
xz0.362
yz-0.180


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.488 -0.782 -0.006
y -0.782 6.319 0.010
z -0.006 0.010 2.463


<r2> (average value of r2) Å2
<r2> 114.515
(<r2>)1/2 10.701