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: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-248.488220
Energy at 298.15K-248.496332
Nuclear repulsion energy178.875416
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 mPW1PW91/6-31+G**
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 3792 3610 46.46      
2 A 3647 3471 39.50      
3 A 3180 3027 13.27      
4 A 3160 3007 24.25      
5 A 3106 2957 15.67      
6 A 3082 2933 25.58      
7 A 3062 2914 22.69      
8 A 1808 1721 348.65      
9 A 1635 1556 128.64      
10 A 1512 1439 13.56      
11 A 1500 1428 9.24      
12 A 1474 1403 8.14      
13 A 1429 1360 41.18      
14 A 1416 1348 51.40      
15 A 1302 1239 71.66      
16 A 1288 1226 20.79      
17 A 1131 1077 1.53      
18 A 1107 1054 0.29      
19 A 1074 1022 4.14      
20 A 1017 968 4.84      
21 A 822 783 7.68      
22 A 803 764 3.03      
23 A 667 634 4.06      
24 A 600 571 9.38      
25 A 514 489 7.20      
26 A 439 418 3.34      
27 A 257 245 9.69      
28 A 219 208 211.98      
29 A 206 196 12.02      
30 A 36 34 2.99      

Unscaled Zero Point Vibrational Energy (zpe) 22642.6 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 21551.2 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 mPW1PW91/6-31+G**
ABC
0.32198 0.12681 0.09608

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.579 -0.061 -0.198
H2 -1.736 -1.574 -0.155
N3 -1.713 -0.570 -0.139
O4 -0.549 1.353 0.080
C5 -0.560 0.133 0.043
H6 0.736 -0.980 1.288
H7 0.597 -1.650 -0.328
C8 0.692 -0.709 0.226
H9 2.844 -0.560 0.054
H10 1.961 0.255 -1.246
H11 2.023 0.986 0.355
C12 1.957 0.035 -0.176

Atom - Atom Distances (Å)
  H1 H2 N3 O4 C5 H6 H7 C8 H9 H10 H11 C12
H11.73301.00672.48922.04273.74763.55333.36195.45154.66994.75224.5372
H21.73301.00453.16702.08222.92352.33992.60564.69484.26614.57644.0283
N31.00671.00452.25811.36242.86392.55622.43664.56043.92434.07703.7195
O42.48923.16702.25811.22062.92443.23942.41123.89523.04382.61312.8431
C52.04272.08221.36241.22062.11362.15691.52003.47342.83402.73822.5284
H63.74762.92352.86392.92442.11361.75491.09732.47803.07382.52792.1598
H73.55332.33992.55623.23942.15691.75491.09562.52622.51643.07362.1709
C83.36192.60562.43662.41121.52001.09731.09562.16322.16912.15871.5214
H95.45154.69484.56043.89523.47342.47802.52622.16321.77071.77601.0925
H104.66994.26613.92433.04382.83403.07382.51642.16911.77071.76141.0926
H114.75224.57644.07702.61312.73822.52793.07362.15871.77601.76141.0909
C124.53724.02833.71952.84312.52842.15982.17091.52141.09251.09261.0909

picture of Propanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N3 H2 119.014 H1 N3 C5 118.366
H2 N3 C5 122.492 N3 C5 O4 121.808
N3 C5 C8 115.310 O4 C5 C8 122.868
C5 C8 H6 106.601 C5 C8 H7 110.046
C5 C8 C12 112.474 H6 C8 H7 106.312
H6 C8 C12 110.076 H7 C8 C12 111.054
C8 C12 H9 110.622 C8 C12 H10 111.088
C8 C12 H11 110.370 H9 C12 H10 108.256
H9 C12 H11 108.859 H10 C12 H11 107.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.333      
2 H 0.312      
3 N -0.582      
4 O -0.506      
5 C 0.326      
6 H 0.199      
7 H 0.160      
8 C -0.192      
9 H 0.163      
10 H 0.177      
11 H 0.200      
12 C -0.590      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.736 -3.810 -0.058 3.881
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.600 2.874 0.720
y 2.874 -33.422 -0.173
z 0.720 -0.173 -31.730
Traceless
 xyz
x 6.976 2.874 0.720
y 2.874 -4.757 -0.173
z 0.720 -0.173 -2.219
Polar
3z2-r2-4.438
x2-y27.822
xy2.874
xz0.720
yz-0.173


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> 127.926
(<r2>)1/2 11.310