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

using model chemistry: B3LYP/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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-53.916579
Energy at 298.15K-53.926752
Nuclear repulsion energy136.992653
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 B3LYP/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 3712 3585 25.50      
2 A 3576 3454 28.47      
3 A 3136 3029 57.16      
4 A 3131 3024 3.65      
5 A 3111 3005 60.00      
6 A 3107 3000 29.92      
7 A 3046 2942 25.42      
8 A 3042 2937 45.35      
9 A 3036 2931 42.45      
10 A 1768 1707 293.76      
11 A 1618 1562 102.03      
12 A 1516 1464 15.81      
13 A 1502 1451 10.62      
14 A 1494 1442 2.15      
15 A 1487 1436 1.52      
16 A 1415 1367 25.41      
17 A 1403 1355 41.23      
18 A 1398 1350 4.56      
19 A 1323 1278 1.14      
20 A 1260 1217 121.18      
21 A 1187 1146 7.65      
22 A 1122 1083 9.75      
23 A 1116 1078 0.44      
24 A 1045 1009 8.66      
25 A 967 934 0.38      
26 A 926 894 3.54      
27 A 912 881 2.59      
28 A 756 730 4.09      
29 A 748 723 2.47      
30 A 603 583 8.49      
31 A 572 552 17.77      
32 A 464 448 2.50      
33 A 317 307 1.17      
34 A 284 274 5.68      
35 A 240 232 10.73      
36 A 238 230 12.87      
37 A 221 213 47.17      
38 A 200 193 168.22      
39 A 27 26 7.81      

Unscaled Zero Point Vibrational Energy (zpe) 28512.2 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 27534.3 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 B3LYP/CEP-31G*
ABC
0.16051 0.08512 0.08229

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.345 1.286 0.036
H2 0.815 2.214 -0.243
H3 1.424 1.254 1.135
H4 2.362 1.328 -0.389
C5 1.370 -1.265 -0.103
H6 0.864 -2.169 -0.487
H7 1.443 -1.354 0.993
C8 0.598 0.027 -0.478
H9 0.500 0.089 -1.577
N10 -1.873 0.093 -0.722
H11 -2.809 -0.040 -0.342
H12 -1.744 -0.004 -1.725
C13 -0.807 -0.018 0.162
O14 -0.984 -0.111 1.382
H15 2.391 -1.236 -0.523

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.10401.10191.10402.55503.52692.80981.55152.17953.51474.37633.78202.51913.03082.7877
H21.10401.78611.78933.52534.38913.82752.20992.52853.45724.26833.69582.78803.35843.8033
H31.10191.78611.79142.80683.82812.61162.18783.09273.95774.66554.44872.74572.77863.1442
H41.10401.78931.79142.79083.80503.15382.19382.53304.42465.34934.51873.48724.05052.5680
C52.55503.52532.80682.79081.10441.10181.55072.18263.57004.36113.73032.52303.01331.1040
H63.52694.38913.82813.80501.10441.78562.21142.53333.55844.24753.60812.80003.33841.7886
H72.80983.82752.61163.15381.10181.78562.18703.09464.00394.64614.40042.74582.75501.7917
C81.55152.20992.18782.19381.55072.21142.18701.10562.48443.41042.65351.54472.44582.1931
H92.17952.52853.09272.53302.18262.53333.09461.10562.52243.53382.25012.17793.31632.5381
N103.51473.45723.95774.42463.57003.55844.00392.48442.52241.01841.01601.38922.29284.4704
H114.37634.26834.66555.34934.36114.24754.64613.41043.53381.01841.74592.06422.51105.3381
H123.78203.69584.44874.51873.73033.60814.40042.65352.25011.01601.74592.10643.20004.4780
C132.51912.78802.74573.48722.52302.80002.74581.54472.17791.38922.06422.10641.23633.4898
O143.03083.35842.77864.05053.01333.33842.75502.44583.31632.29282.51103.20001.23634.0357
H152.78773.80333.14422.56801.10401.78861.79172.19312.53814.47045.33814.47803.48984.0357

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 110.898 C1 C8 H9 109.068
C1 C8 C13 108.899 H2 C1 H3 108.138
H2 C1 H4 108.269 H2 C1 C8 111.545
H3 C1 H4 108.608 H3 C1 C8 109.928
H4 C1 C8 110.271 C5 C8 H9 109.363
C5 C8 C13 109.187 H6 C5 H7 108.065
H6 C5 C8 111.688 H6 C5 H15 108.168
H7 C5 C8 109.920 H7 C5 H15 108.640
C8 C5 H15 110.273 C8 C13 N10 115.629
C8 C13 O14 122.766 H9 C8 C13 109.405
N10 C13 O14 121.579 H11 N10 H12 118.227
H11 N10 C13 117.217 H12 N10 C13 121.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.546      
2 H 0.166      
3 H 0.179      
4 H 0.165      
5 C -0.547      
6 H 0.161      
7 H 0.181      
8 C 0.038      
9 H 0.118      
10 N -0.382      
11 H 0.325      
12 H 0.312      
13 C -0.197      
14 O -0.140      
15 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.112 -0.141 -3.760 3.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.178 0.681 4.840
y 0.681 -38.102 0.706
z 4.840 0.706 -38.840
Traceless
 xyz
x 6.293 0.681 4.840
y 0.681 -2.592 0.706
z 4.840 0.706 -3.701
Polar
3z2-r2-7.401
x2-y25.924
xy0.681
xz4.840
yz0.706


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.658 -0.029 0.325
y -0.029 6.923 -0.093
z 0.325 -0.093 7.794


<r2> (average value of r2) Å2
<r2> 145.997
(<r2>)1/2 12.083