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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-287.755081
Energy at 298.15K-287.765206
Nuclear repulsion energy247.526522
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3738 3608 36.09      
2 A 3588 3463 32.27      
3 A 3148 3038 14.82      
4 A 3138 3028 11.53      
5 A 3130 3020 27.40      
6 A 3125 3016 22.66      
7 A 3048 2941 20.14      
8 A 3042 2936 29.11      
9 A 3029 2923 36.43      
10 A 1806 1743 265.38      
11 A 1586 1530 128.98      
12 A 1487 1435 18.59      
13 A 1468 1417 10.30      
14 A 1460 1409 1.36      
15 A 1451 1401 0.92      
16 A 1409 1360 56.16      
17 A 1387 1338 4.58      
18 A 1371 1323 7.24      
19 A 1325 1278 6.39      
20 A 1272 1228 68.67      
21 A 1187 1145 3.02      
22 A 1134 1095 0.43      
23 A 1119 1080 5.45      
24 A 1053 1016 5.02      
25 A 973 939 0.45      
26 A 928 895 3.49      
27 A 922 890 1.95      
28 A 776 748 3.90      
29 A 761 734 4.73      
30 A 611 590 6.44      
31 A 594 573 11.20      
32 A 471 455 2.84      
33 A 326 315 0.58      
34 A 293 283 4.35      
35 A 242 234 5.52      
36 A 235 227 1.06      
37 A 213 206 0.47      
38 A 113 109 174.16      
39 A 18 18 8.41      

Unscaled Zero Point Vibrational Energy (zpe) 28489.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 27491.9 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/cc-pVDZ
ABC
0.16340 0.09119 0.08124

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.467 -1.055 -0.499
H2 -1.068 -1.760 -1.244
H3 -1.471 -1.565 0.476
H4 -2.504 -0.813 -0.778
C5 -1.230 1.239 0.545
H6 -0.631 2.163 0.587
H7 -1.281 0.821 1.562
C8 -0.618 0.212 -0.415
H9 -0.545 0.666 -1.420
N10 1.812 0.430 -0.619
H11 2.756 0.294 -0.280
H12 1.651 1.082 -1.372
C13 0.787 -0.140 0.078
O14 0.979 -0.867 1.040
H15 -2.250 1.508 0.229

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.10121.10011.10112.53113.49732.79311.52752.15913.60134.43903.87962.50032.89562.7772
H21.10121.77761.78323.49584.35133.81892.18602.48853.67134.44653.93522.79543.19413.7751
H31.10011.77761.79042.81443.82212.62802.16283.07073.99374.67894.49052.69902.60833.1797
H41.10111.78321.79042.75353.77163.10512.17732.53754.49435.39894.60553.46683.92912.5427
C52.53113.49582.81442.75351.10171.10101.53332.15813.35564.17913.46382.48733.09141.1013
H63.49734.35133.82213.77161.10171.78092.19342.50533.22903.96513.19612.75183.46041.7823
H72.79313.81892.62803.10511.10101.78092.17283.07563.80414.46864.15582.72032.86801.7860
C81.52752.18602.16282.17731.53332.19342.17281.10522.44773.37792.61131.53002.41462.1817
H92.15912.48853.07072.53752.15812.50533.07561.10522.50083.51282.23562.16123.27502.5169
N103.60133.67133.99374.49433.35563.22903.80412.44772.50081.01271.00961.36392.26424.2872
H114.43904.44654.67895.39894.17913.96514.46863.37793.51281.01271.74272.04812.49995.1767
H123.87963.93524.49054.60553.46383.19614.15582.61132.23561.00961.74272.08413.17324.2381
C132.50032.79542.69903.46682.48732.75182.72031.53002.16121.36392.04812.08411.22073.4587
O142.89563.19412.60833.92913.09143.46042.86802.41463.27502.26422.49993.17321.22074.0894
H152.77723.77513.17972.54271.10131.78231.78602.18172.51694.28725.17674.23813.45874.0894

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 111.568 C1 C8 H9 109.140
C1 C8 C13 109.720 H2 C1 H3 107.716
H2 C1 H4 108.133 H2 C1 C8 111.499
H3 C1 H4 108.859 H3 C1 C8 109.730
H4 C1 C8 110.809 C5 C8 H9 108.672
C5 C8 C13 108.573 H6 C5 H7 107.902
H6 C5 C8 111.644 H6 C5 H15 108.009
H7 C5 C8 110.053 H7 C5 H15 108.380
C8 C5 H15 110.740 C8 C13 N10 115.397
C8 C13 O14 122.361 H9 C8 C13 109.128
N10 C13 O14 122.236 H11 N10 H12 119.022
H11 N10 C13 118.280 H12 N10 C13 122.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.026      
2 H 0.041      
3 H 0.061      
4 H 0.032      
5 C -0.030      
6 H 0.036      
7 H 0.059      
8 C -0.200      
9 H 0.007      
10 N -0.117      
11 H 0.113      
12 H 0.106      
13 C 0.156      
14 O -0.279      
15 H 0.041      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.334 2.347 -2.622 3.535
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.440 3.219 -3.380
y 3.219 -38.031 0.397
z -3.380 0.397 -38.278
Traceless
 xyz
x 5.714 3.219 -3.380
y 3.219 -2.672 0.397
z -3.380 0.397 -3.043
Polar
3z2-r2-6.085
x2-y25.590
xy3.219
xz-3.380
yz0.397


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> 172.556
(<r2>)1/2 13.136