return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H7NO (Propanamide)

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-248.232251
Energy at 298.15K-248.240127
Nuclear repulsion energy177.542265
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 PBEPBE/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 3661 3611 25.14      
2 A 3518 3469 18.98      
3 A 3094 3051 12.31      
4 A 3077 3035 24.93      
5 A 3012 2971 18.61      
6 A 3000 2959 23.62      
7 A 2969 2929 19.49      
8 A 1755 1731 233.59      
9 A 1569 1547 105.70      
10 A 1471 1451 8.97      
11 A 1457 1437 7.60      
12 A 1428 1409 5.01      
13 A 1370 1351 4.53      
14 A 1362 1343 71.93      
15 A 1255 1238 49.80      
16 A 1243 1226 24.42      
17 A 1090 1075 1.68      
18 A 1063 1049 0.33      
19 A 1036 1022 1.54      
20 A 981 967 3.87      
21 A 794 783 9.32      
22 A 768 758 4.77      
23 A 649 640 4.59      
24 A 586 578 9.77      
25 A 492 485 6.47      
26 A 422 416 3.19      
27 A 254 251 10.10      
28 A 200 197 1.47      
29 A 145 143 203.58      
30 A 42 42 4.98      

Unscaled Zero Point Vibrational Energy (zpe) 21880.5 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 21580.7 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 PBEPBE/6-31G**
ABC
0.31523 0.12569 0.09487

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.597 -0.056 -0.170
H2 -1.755 -1.586 -0.107
N3 -1.723 -0.573 -0.151
O4 -0.545 1.367 0.083
C5 -0.562 0.136 0.044
H6 0.744 -1.008 1.290
H7 0.600 -1.668 -0.344
C8 0.697 -0.723 0.222
H9 2.868 -0.533 0.095
H10 1.988 0.228 -1.258
H11 1.987 1.011 0.333
C12 1.964 0.035 -0.174

Atom - Atom Distances (Å)
  H1 H2 N3 O4 C5 H6 H7 C8 H9 H10 H11 C12
H11.74761.01582.50962.05523.76873.58453.38345.49214.72114.73364.5621
H21.74761.01443.19712.10022.92112.36862.62024.74604.31654.57664.0582
N31.01581.01442.28181.37412.89022.57512.45284.59773.95504.06323.7372
O42.50963.19712.28181.23232.96023.27152.43533.90653.08462.56972.8526
C52.05522.10021.37411.23232.13742.17971.53403.49482.86472.71082.5375
H63.76872.92112.89022.96022.13741.76771.10692.48283.09372.55692.1730
H73.58452.36862.57513.27152.17971.76771.10512.57362.52153.09152.1886
C83.38342.62022.45282.43531.53401.10691.10512.18322.18252.16441.5292
H95.49214.74604.59773.90653.49482.48282.57362.18321.78461.79331.1010
H104.72114.31653.95503.08462.86473.09372.52152.18251.78461.77381.1015
H114.73364.57664.06322.56972.71082.55693.09152.16441.79331.77381.0999
C124.56214.05823.73722.85262.53752.17302.18861.52921.10101.10151.0999

picture of Propanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N3 H2 118.815 H1 N3 C5 117.837
H2 N3 C5 122.396 N3 C5 O4 122.099
N3 C5 C8 114.904 O4 C5 C8 122.994
C5 C8 H6 106.951 C5 C8 H7 110.311
C5 C8 C12 111.867 H6 C8 H7 106.099
H6 C8 C12 110.007 H7 C8 C12 111.351
C8 C12 H9 111.163 C8 C12 H10 111.078
C8 C12 H11 109.742 H9 C12 H10 108.246
H9 C12 H11 109.140 H10 C12 H11 107.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.275      
2 H 0.266      
3 N -0.591      
4 O -0.469      
5 C 0.530      
6 H 0.146      
7 H 0.114      
8 C -0.306      
9 H 0.111      
10 H 0.130      
11 H 0.152      
12 C -0.359      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.000 -3.361 0.092 3.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.992 2.734 0.300
y 2.734 -32.194 -0.342
z 0.300 -0.342 -31.016
Traceless
 xyz
x 6.613 2.734 0.300
y 2.734 -4.190 -0.342
z 0.300 -0.342 -2.424
Polar
3z2-r2-4.847
x2-y27.202
xy2.734
xz0.300
yz-0.342


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.569 0.355 0.220
y 0.355 6.769 0.039
z 0.220 0.039 4.522


<r2> (average value of r2) Å2
<r2> 128.755
(<r2>)1/2 11.347