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All results from a given calculation for C4H9NO (Propanamide, 2-methyl-)

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-284.459114
Energy at 298.15K-284.470234
Nuclear repulsion energy248.968978
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 HF/3-21G*
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 3909 3528 47.50      
2 A 3780 3412 47.10      
3 A 3297 2976 20.53      
4 A 3271 2953 26.06      
5 A 3267 2949 35.38      
6 A 3264 2946 20.53      
7 A 3225 2911 11.06      
8 A 3211 2898 20.35      
9 A 3202 2890 24.74      
10 A 1904 1718 272.05      
11 A 1811 1635 108.10      
12 A 1681 1518 17.12      
13 A 1673 1510 10.32      
14 A 1659 1498 0.36      
15 A 1659 1497 3.25      
16 A 1589 1434 18.37      
17 A 1568 1416 6.90      
18 A 1521 1372 42.57      
19 A 1459 1317 16.81      
20 A 1395 1259 164.86      
21 A 1316 1187 8.52      
22 A 1245 1124 14.13      
23 A 1222 1103 5.25      
24 A 1172 1058 10.25      
25 A 1057 954 1.30      
26 A 1047 945 5.43      
27 A 959 866 4.34      
28 A 862 778 64.05      
29 A 792 715 15.48      
30 A 664 600 40.05      
31 A 643 580 154.27      
32 A 544 491 133.95      
33 A 515 465 12.76      
34 A 380 343 0.66      
35 A 328 296 8.81      
36 A 271 245 4.87      
37 A 253 228 0.52      
38 A 226 204 0.02      
39 A 53 48 6.31      

Unscaled Zero Point Vibrational Energy (zpe) 30946.2 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 27932.1 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 HF/3-21G*
ABC
0.16259 0.10163 0.07591

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.595 -0.956 -0.354
H2 -1.314 -1.731 -1.058
H3 -1.582 -1.388 0.637
H4 -2.600 -0.625 -0.588
C5 -1.060 1.349 0.549
H6 -0.372 2.186 0.526
H7 -1.099 0.966 1.562
C8 -0.617 0.222 -0.415
H9 -0.571 0.617 -1.424
N10 1.777 0.593 -0.393
H11 2.712 0.376 -0.122
H12 1.618 1.399 -0.953
C13 0.774 -0.236 -0.003
O14 0.975 -1.241 0.653
H15 -2.046 1.707 0.277

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.08321.08111.08382.53323.48482.75961.53232.16013.71074.51384.02832.50102.77542.7737
H21.08321.74921.75993.48324.32853.76622.17102.48943.92374.63894.29002.77662.89973.7595
H31.08111.74921.76592.78793.77502.57542.15143.04744.03314.70334.53152.69952.56153.1500
H41.08381.75991.76592.74993.75583.06732.16322.52164.54735.42524.69273.44663.83462.5479
C52.53323.48322.78792.74991.08371.08381.54762.16063.08343.95293.07092.48603.29611.0835
H63.48484.32853.77503.75581.08371.75842.19112.51042.82843.63432.60102.73093.68511.7588
H72.75963.76622.57543.06731.08381.75842.16663.05253.49784.20833.72792.72083.16281.7598
C81.53232.17102.15142.16321.54762.19112.16661.08452.42273.34532.58281.52162.41222.1734
H92.16012.48943.04742.52162.16062.51043.05251.08452.56403.53942.37142.13423.18702.5013
N103.71073.92374.03314.54733.08342.82843.49782.42272.56400.99740.99441.35812.25884.0377
H114.51384.63894.70335.42523.95293.63434.20833.34533.53940.99741.71332.03522.49614.9566
H124.02834.29004.53154.69273.07092.60103.72792.58282.37140.99441.71332.07083.15693.8770
C132.50102.77662.69953.44662.48602.73092.72081.52162.13421.35812.03522.07081.21743.4357
O142.77542.89972.56153.83463.29613.68513.16282.41223.18702.25882.49613.15691.21744.2380
H152.77373.75953.15002.54791.08351.75881.75982.17342.50134.03774.95663.87703.43574.2380

picture of Propanamide, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C8 C5 110.672 C1 C8 H9 110.100
C1 C8 C13 109.960 H2 C1 H3 107.842
H2 C1 H4 108.607 H2 C1 C8 111.043
H3 C1 H4 109.304 H3 C1 C8 109.606
H4 C1 C8 110.380 C5 C8 H9 109.077
C5 C8 C13 108.185 H6 C5 H7 108.440
H6 C5 C8 111.539 H6 C5 H15 108.496
H7 C5 C8 109.587 H7 C5 H15 108.579
C8 C5 H15 110.131 C8 C13 N10 114.435
C8 C13 O14 123.063 H9 C8 C13 108.800
N10 C13 O14 122.475 H11 N10 H12 118.664
H11 N10 C13 118.742 H12 N10 C13 122.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.537 -0.372    
2 H 0.213 0.083    
3 H 0.234 0.107    
4 H 0.193 0.107    
5 C -0.551 -0.217    
6 H 0.199 0.045    
7 H 0.223 0.073    
8 C -0.452 0.080    
9 H 0.225 0.005    
10 N -0.938 -1.138    
11 H 0.359 0.463    
12 H 0.351 0.434    
13 C 0.907 0.907    
14 O -0.639 -0.645    
15 H 0.212 0.067    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.056 3.377 -1.935 3.892
CHELPG -0.051 3.373 -1.923 3.883
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.618 4.161 -2.282
y 4.161 -40.166 0.797
z -2.282 0.797 -38.247
Traceless
 xyz
x 5.589 4.161 -2.282
y 4.161 -4.233 0.797
z -2.282 0.797 -1.355
Polar
3z2-r2-2.711
x2-y26.548
xy4.161
xz-2.282
yz0.797


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.928 0.200 0.043
y 0.200 6.865 -0.664
z 0.043 -0.664 5.499


<r2> (average value of r2) Å2
<r2> 171.686
(<r2>)1/2 13.103