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

using model chemistry: B1B95/CEP-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 B1B95/CEP-31G*
 hartrees
Energy at 0K-53.838546
Energy at 298.15K-53.848669
Nuclear repulsion energy137.703846
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 B1B95/CEP-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 3775 3614 38.66      
2 A 3631 3476 44.47      
3 A 3172 3036 46.44      
4 A 3169 3034 3.78      
5 A 3155 3020 52.42      
6 A 3152 3017 20.83      
7 A 3079 2947 35.12      
8 A 3071 2940 38.55      
9 A 3071 2940 27.14      
10 A 1809 1732 315.03      
11 A 1617 1548 134.27      
12 A 1509 1445 21.23      
13 A 1497 1433 12.37      
14 A 1487 1424 3.25      
15 A 1481 1418 0.47      
16 A 1417 1357 77.91      
17 A 1409 1349 8.31      
18 A 1397 1337 6.21      
19 A 1318 1262 0.27      
20 A 1264 1210 87.81      
21 A 1186 1135 3.75      
22 A 1136 1087 0.13      
23 A 1119 1071 5.20      
24 A 1041 996 10.75      
25 A 974 932 0.46      
26 A 932 892 2.84      
27 A 925 885 4.12      
28 A 764 731 3.04      
29 A 762 729 2.57      
30 A 602 577 4.74      
31 A 595 570 12.25      
32 A 462 442 2.67      
33 A 311 297 0.83      
34 A 279 267 4.97      
35 A 251 241 4.81      
36 A 250 240 0.61      
37 A 215 206 2.43      
38 A 133 128 234.45      
39 A 36 34 5.76      

Unscaled Zero Point Vibrational Energy (zpe) 28727.0 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 27497.5 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 B1B95/CEP-31G*
ABC
0.16222 0.08606 0.08358

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.362 -1.268 -0.023
H2 -0.857 -2.186 -0.366
H3 -1.406 -1.293 1.076
H4 -2.392 -1.273 -0.416
C5 -1.362 1.268 -0.024
H6 -0.857 2.186 -0.367
H7 -1.406 1.294 1.075
C8 -0.616 -0.000 -0.485
H9 -0.536 -0.000 -1.585
N10 1.837 -0.000 -0.759
H11 2.783 0.000 -0.394
H12 1.696 -0.000 -1.761
C13 0.790 -0.000 0.137
O14 0.976 0.000 1.355
H15 -2.391 1.274 -0.417

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.10211.10041.10192.53633.50752.78781.54162.17473.51904.35093.73912.50282.99582.7702
H21.10211.78251.78593.50754.37173.80612.20222.52323.49164.24663.63932.78263.33203.7847
H31.10041.78251.78812.78783.80612.58682.17513.08393.94454.62454.39852.71602.72493.1283
H41.10191.78591.78812.77023.78473.12832.18562.53614.42955.32944.48773.47104.01232.5470
C52.53633.50752.78782.77021.10211.10041.54162.17483.51894.35053.73882.50282.99551.1019
H63.50754.37173.80613.78471.10211.78252.20222.52333.49134.24593.63872.78263.33151.7859
H72.78783.80612.58683.12831.10041.78252.17513.08393.94434.62414.39822.71602.72461.7881
C81.54162.20222.17512.18561.54162.20222.17511.10352.46883.40112.64161.53752.43322.1856
H92.17472.52323.08392.53612.17482.52333.08391.10352.51233.52642.23862.17303.30612.5361
N103.51903.49163.94454.42953.51893.49133.94432.46882.51231.01461.01191.37832.28344.4293
H114.35094.24664.62455.32944.35054.24594.62413.40113.52641.01461.74732.06292.51535.3291
H123.73913.63934.39854.48773.73883.63874.39822.64162.23861.01191.74732.10353.19894.4875
C132.50282.78262.71603.47102.50282.78262.71601.53752.17301.37832.06292.10351.23263.4710
O142.99583.33202.72494.01232.99553.33152.72462.43323.30612.28342.51533.19891.23264.0121
H152.77023.78473.12832.54701.10191.78591.78812.18562.53614.42935.32914.48753.47104.0121

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 110.696 C1 C8 H9 109.494
C1 C8 C13 108.747 H2 C1 H3 108.055
H2 C1 H4 108.251 H2 C1 C8 111.741
H3 C1 H4 108.567 H3 C1 C8 109.700
H4 C1 C8 110.437 C5 C8 H9 109.494
C5 C8 C13 108.748 H6 C5 H7 108.055
H6 C5 C8 111.741 H6 C5 H15 108.251
H7 C5 C8 109.700 H7 C5 H15 108.567
C8 C5 H15 110.437 C8 C13 N10 115.603
C8 C13 O14 122.515 H9 C8 C13 109.641
N10 C13 O14 121.882 H11 N10 H12 119.139
H11 N10 C13 118.315 H12 N10 C13 122.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.536      
2 H 0.160      
3 H 0.176      
4 H 0.164      
5 C -0.536      
6 H 0.160      
7 H 0.176      
8 C 0.032      
9 H 0.119      
10 N -0.381      
11 H 0.335      
12 H 0.325      
13 C -0.229      
14 O -0.130      
15 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.226 -0.000 -3.826 3.833
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.637 0.001 -4.973
y 0.001 -37.742 -0.001
z -4.973 -0.001 -38.248
Traceless
 xyz
x 6.358 0.001 -4.973
y 0.001 -2.799 -0.001
z -4.973 -0.001 -3.559
Polar
3z2-r2-7.117
x2-y26.105
xy0.001
xz-4.973
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.459 0.000 -0.371
y 0.000 6.751 0.000
z -0.371 0.000 7.716


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000