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: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-248.424874
Energy at 298.15K-248.432886
HF Energy-248.424874
Nuclear repulsion energy176.595219
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 BLYP/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 3585 3555 14.05      
2 A 3461 3433 11.81      
3 A 3068 3043 19.25      
4 A 3044 3019 34.43      
5 A 2987 2962 28.94      
6 A 2982 2958 25.35      
7 A 2948 2924 20.48      
8 A 1728 1714 225.75      
9 A 1596 1583 76.34      
10 A 1499 1487 6.69      
11 A 1487 1475 6.07      
12 A 1461 1449 3.33      
13 A 1397 1385 5.53      
14 A 1360 1349 41.11      
15 A 1271 1261 29.05      
16 A 1253 1242 87.75      
17 A 1099 1090 3.55      
18 A 1078 1069 1.04      
19 A 1029 1020 5.07      
20 A 981 973 1.53      
21 A 799 793 8.49      
22 A 761 754 5.27      
23 A 646 640 6.35      
24 A 586 582 16.81      
25 A 490 486 6.83      
26 A 421 417 2.46      
27 A 254 252 41.72      
28 A 251 249 181.50      
29 A 205 204 1.84      
30 A 36 36 3.65      

Unscaled Zero Point Vibrational Energy (zpe) 21878.2 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 21701.0 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 BLYP/6-31G*
ABC
0.31086 0.12377 0.09391

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.997 0.036 -0.007
C2 -0.682 -0.763 0.010
C3 0.569 0.148 -0.000
O4 0.511 1.377 0.006
N5 1.766 -0.545 -0.023
H6 -2.863 -0.646 0.001
H7 -2.066 0.699 0.868
H8 -2.061 0.670 -0.904
H9 -0.631 -1.443 -0.860
H10 -0.637 -1.413 0.904
H11 1.819 -1.559 0.050
H12 2.646 -0.037 0.037

Atom - Atom Distances (Å)
  C1 C2 C3 O4 N5 H6 H7 H8 H9 H10 H11 H12
C11.53872.56872.84453.80771.10181.10021.10052.18672.18554.13584.6438
C21.53871.54762.45002.45792.18432.18872.18831.10561.10602.62443.4061
C32.56871.54761.23021.38333.52272.82882.82942.17112.16962.11602.0854
O42.84452.45001.23022.29533.93412.80092.81873.16403.14723.21392.5606
N53.80772.45791.38332.29534.63024.12654.11052.69342.71791.01801.0176
H61.10182.18433.52273.93414.63021.78731.78712.52182.52144.77015.5425
H71.10022.18872.82882.80094.12651.78731.77223.10422.55024.56714.8411
H81.10052.18832.82942.81874.11051.78711.77222.55183.10344.57464.8517
H92.18671.10562.17113.16402.69342.52183.10422.55181.76402.61603.6773
H102.18551.10602.16963.14722.71792.52142.55023.10341.76402.60373.6633
H114.13582.62442.11603.21391.01804.77014.56714.57462.61602.60371.7321
H124.64383.40612.08542.56061.01765.54254.84114.85173.67733.66331.7321

picture of Propanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N3 H2 33.556 H1 N3 C5 147.404
H2 N3 C5 113.872 N3 C5 O4 26.788
N3 C5 C8 18.188 O4 C5 C8 41.100
C5 C8 H6 95.270 C5 C8 H7 78.083
C5 C8 C12 8.956 H6 C8 H7 60.285
H6 C8 C12 103.294 H7 C8 C12 79.128
C8 C12 H9 31.111 C8 C12 H10 39.756
C8 C12 H11 70.494 H9 C12 H10 27.808
H9 C12 H11 40.552 H10 C12 H11 40.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.395      
2 C -0.314      
3 C 0.551      
4 O -0.473      
5 N -0.683      
6 H 0.123      
7 H 0.161      
8 H 0.139      
9 H 0.122      
10 H 0.148      
11 H 0.307      
12 H 0.314      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.904 -3.324 0.318 3.459
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.310 -2.774 0.159
y -2.774 -32.478 -0.611
z 0.159 -0.611 -31.189
Traceless
 xyz
x 6.523 -2.774 0.159
y -2.774 -4.228 -0.611
z 0.159 -0.611 -2.295
Polar
3z2-r2-4.590
x2-y27.167
xy-2.774
xz0.159
yz-0.611


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.517 -0.346 -0.245
y -0.346 6.727 0.041
z -0.245 0.041 4.476


<r2> (average value of r2) Å2
<r2> 130.264
(<r2>)1/2 11.413