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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-287.803226
Energy at 298.15K-287.813530
Nuclear repulsion energy248.025940
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 B3PW91/6-311G*
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 3754 3614 25.05      
2 A 3618 3483 25.57      
3 A 3133 3016 37.01      
4 A 3128 3011 3.80      
5 A 3112 2996 46.48      
6 A 3109 2993 20.56      
7 A 3044 2930 16.38      
8 A 3040 2927 39.53      
9 A 3025 2912 39.15      
10 A 1798 1731 289.51      
11 A 1653 1592 114.85      
12 A 1529 1472 21.16      
13 A 1513 1457 13.82      
14 A 1504 1448 2.21      
15 A 1497 1441 1.68      
16 A 1428 1375 67.89      
17 A 1414 1361 12.35      
18 A 1401 1348 7.15      
19 A 1337 1287 0.81      
20 A 1292 1244 93.59      
21 A 1201 1156 3.70      
22 A 1142 1099 6.16      
23 A 1132 1090 0.22      
24 A 1068 1028 6.85      
25 A 981 944 0.22      
26 A 935 900 2.34      
27 A 927 892 3.35      
28 A 785 756 6.59      
29 A 761 733 4.00      
30 A 617 594 6.09      
31 A 604 582 16.14      
32 A 476 458 3.08      
33 A 324 312 0.84      
34 A 290 280 4.86      
35 A 245 236 7.22      
36 A 242 233 12.89      
37 A 223 215 32.02      
38 A 201 194 173.54      
39 A 18 17 9.06      

Unscaled Zero Point Vibrational Energy (zpe) 28749.5 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 27677.2 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 B3PW91/6-311G*
ABC
0.16456 0.08760 0.08459

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.342 1.269 0.074
H2 0.835 2.197 -0.208
H3 1.386 1.229 1.165
H4 2.365 1.313 -0.311
C5 1.361 -1.250 -0.120
H6 0.866 -2.131 -0.538
H7 1.407 -1.374 0.964
C8 0.613 0.039 -0.467
H9 0.542 0.121 -1.560
N10 -1.818 0.071 -0.752
H11 -2.761 0.048 -0.400
H12 -1.673 0.180 -1.739
C13 -0.790 -0.019 0.136
O14 -0.974 -0.137 1.332
H15 2.383 -1.220 -0.509

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.09411.09241.09392.52673.48752.79021.52972.15183.47944.30733.68402.49172.98732.7609
H21.09411.76771.76963.48774.34033.80182.18532.49463.44324.19383.56502.76913.33023.7636
H31.09241.76771.77392.79183.80232.61072.16273.06013.90864.58644.34672.71062.73093.1299
H41.09391.76961.77392.75933.76303.12542.17232.51104.38575.28054.43103.45353.99392.5414
C52.52673.48772.79182.75931.09401.09221.52982.15073.50024.33073.72522.49142.96651.0939
H63.48754.34033.80233.76301.09401.76732.18502.49383.47774.23293.63712.76673.29541.7698
H72.79023.80182.61073.12541.09221.76732.16223.05893.92864.61024.38352.71092.70831.7742
C81.52972.18532.16272.17231.52982.18502.16221.09822.44783.37462.62061.52782.40552.1725
H92.15182.49463.06012.51102.15072.49383.05891.09822.49443.50092.22302.16013.27522.5091
N103.47943.44323.90864.38573.50023.47773.92862.44782.49441.00681.00391.36132.25824.4017
H114.30734.19384.58645.28054.33074.23294.61023.37463.50091.00681.73042.04372.49565.2992
H123.68403.56504.34674.43103.72523.63714.38352.62062.22301.00391.73042.08253.16634.4644
C132.49172.76912.71063.45352.49142.76672.71091.52782.16011.36132.04372.08251.21643.4534
O142.98733.33022.73093.99392.96653.29542.70832.40553.27522.25822.49563.16631.21643.9792
H152.76093.76363.12992.54141.09391.76981.77422.17252.50914.40175.29924.46443.45343.9792

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 111.351 C1 C8 H9 108.825
C1 C8 C13 109.165 H2 C1 H3 107.895
H2 C1 H4 107.958 H2 C1 C8 111.717
H3 C1 H4 108.458 H3 C1 C8 110.015
H4 C1 C8 110.689 C5 C8 H9 108.737
C5 C8 C13 109.141 H6 C5 H7 107.882
H6 C5 C8 111.692 H6 C5 H15 107.977
H7 C5 C8 109.985 H7 C5 H15 108.499
C8 C5 H15 110.698 C8 C13 N10 115.707
C8 C13 O14 122.052 H9 C8 C13 109.604
N10 C13 O14 122.241 H11 N10 H12 118.763
H11 N10 C13 118.547 H12 N10 C13 122.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.638      
2 H 0.223      
3 H 0.244      
4 H 0.221      
5 C -0.638      
6 H 0.224      
7 H 0.245      
8 C -0.372      
9 H 0.205      
10 N -0.808      
11 H 0.362      
12 H 0.359      
13 C 0.540      
14 O -0.387      
15 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.347 0.399 -3.618 3.656
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.503 -0.551 4.737
y -0.551 -38.368 0.031
z 4.737 0.031 -38.915
Traceless
 xyz
x 6.139 -0.551 4.737
y -0.551 -2.659 0.031
z 4.737 0.031 -3.480
Polar
3z2-r2-6.960
x2-y25.865
xy-0.551
xz4.737
yz0.031


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> 172.393
(<r2>)1/2 13.130