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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-247.129537
Energy at 298.15K-247.135575
Nuclear repulsion energy161.978420
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 B3PW91/6-31G
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 3614 33.03      
2 A 3632 3478 44.32      
3 A 3288 3149 3.90      
4 A 3194 3059 13.05      
5 A 3178 3044 9.16      
6 A 1745 1671 143.71      
7 A 1705 1633 113.02      
8 A 1670 1599 98.03      
9 A 1478 1416 99.79      
10 A 1395 1336 67.99      
11 A 1334 1278 68.97      
12 A 1131 1083 3.76      
13 A 1075 1030 5.27      
14 A 1038 994 67.11      
15 A 1031 987 3.25      
16 A 840 804 76.18      
17 A 838 802 4.69      
18 A 660 632 137.37      
19 A 624 597 8.32      
20 A 532 510 194.52      
21 A 475 455 5.11      
22 A 466 447 9.67      
23 A 278 266 8.90      
24 A 127 121 5.72      

Unscaled Zero Point Vibrational Energy (zpe) 17753.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 17002.9 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 B3PW91/6-31G
ABC
0.35154 0.14027 0.10026

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.797 -0.656 -0.000
C2 0.473 0.117 -0.000
N3 1.616 -0.636 0.000
O4 0.509 1.367 -0.000
C5 -1.979 -0.031 0.000
H6 -0.736 -1.742 -0.001
H7 2.503 -0.160 0.000
H8 1.605 -1.642 0.001
H9 -2.016 1.055 0.001
H10 -2.918 -0.574 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.48672.41282.40741.33691.08853.33742.59702.10022.1227
C21.48671.36851.25052.45682.21812.04882.09192.66013.4611
N32.41281.36852.28873.64552.59921.00741.00594.00624.5343
O42.40741.25052.28872.85383.34942.51163.20262.54423.9386
C51.33692.45683.64552.85382.11504.48423.92981.08631.0848
H61.08852.21812.59923.34942.11503.60562.34373.07592.4749
H73.33742.04881.00742.51164.48423.60561.73344.67975.4373
H82.59702.09191.00593.20263.92982.34371.73344.51524.6478
H92.10022.66014.00622.54421.08633.07594.67974.51521.8619
H102.12273.46114.53433.93861.08482.47495.43734.64781.8619

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 115.300 C1 C2 O4 122.940
C1 C5 H9 119.800 C1 C5 H10 122.106
C2 C1 C5 120.847 C2 C1 H6 118.109
C2 N3 H7 118.364 C2 N3 H8 122.797
N3 C2 O4 121.761 C5 C1 H6 121.044
H7 N3 H8 118.839 H9 C5 H10 118.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.135      
2 C 0.502      
3 N -0.783      
4 O -0.483      
5 C -0.322      
6 H 0.157      
7 H 0.355      
8 H 0.344      
9 H 0.204      
10 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.403 -3.854 0.002 3.875
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.107 -3.224 0.003
y -3.224 -30.320 -0.000
z 0.003 -0.000 -31.669
Traceless
 xyz
x 9.887 -3.224 0.003
y -3.224 -3.932 -0.000
z 0.003 -0.000 -5.955
Polar
3z2-r2-11.910
x2-y29.213
xy-3.224
xz0.003
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 115.917
(<r2>)1/2 10.766