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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-287.657063
Energy at 298.15K-287.667784
Nuclear repulsion energy246.512634
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 B3PW91/6-31G
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 3769 3610 27.70      
2 A 3624 3471 31.21      
3 A 3161 3027 30.00      
4 A 3156 3023 3.10      
5 A 3142 3009 40.73      
6 A 3139 3007 20.33      
7 A 3059 2929 15.73      
8 A 3056 2926 37.07      
9 A 3041 2912 37.58      
10 A 1736 1663 250.79      
11 A 1673 1602 81.49      
12 A 1555 1489 20.83      
13 A 1542 1477 15.34      
14 A 1536 1471 2.68      
15 A 1527 1462 1.96      
16 A 1461 1399 48.77      
17 A 1437 1377 9.22      
18 A 1432 1371 40.72      
19 A 1358 1301 1.34      
20 A 1327 1271 94.78      
21 A 1225 1174 3.88      
22 A 1153 1104 11.38      
23 A 1145 1096 0.19      
24 A 1095 1049 6.55      
25 A 1001 959 0.01      
26 A 964 923 5.89      
27 A 937 897 4.10      
28 A 790 757 60.70      
29 A 771 738 3.50      
30 A 638 611 153.79      
31 A 622 596 4.87      
32 A 530 508 137.94      
33 A 484 464 2.82      
34 A 333 319 0.76      
35 A 292 280 6.35      
36 A 242 232 2.83      
37 A 241 231 4.19      
38 A 221 211 0.45      
39 A 21 20 9.27      

Unscaled Zero Point Vibrational Energy (zpe) 29218.0 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 27982.1 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 B3PW91/6-31G
ABC
0.16220 0.08653 0.08394

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.369 -1.254 -0.119
H2 -0.882 -2.136 -0.551
H3 -1.396 -1.378 0.968
H4 -2.397 -1.212 -0.495
C5 -1.348 1.274 0.074
H6 -0.842 2.203 -0.214
H7 -1.382 1.229 1.167
C8 -0.614 0.038 -0.472
H9 -0.541 0.121 -1.567
N10 1.826 0.071 -0.760
H11 2.770 0.042 -0.404
H12 1.683 0.164 -1.751
C13 0.790 -0.018 0.125
O14 0.978 -0.135 1.354
H15 -2.374 1.310 -0.309

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.09581.09461.09562.53623.49832.79661.53762.16163.51834.34633.74072.49962.98872.7607
H21.09581.77341.77593.49824.35183.81092.19152.49833.50004.25423.64852.78153.33043.7627
H31.09461.77341.78082.80003.81162.61502.16583.06643.93294.60984.38782.70862.70753.1331
H41.09561.77591.78082.75753.76243.12212.17752.52404.42215.31754.48583.45903.99642.5284
C52.53623.49822.80002.75751.09581.09471.53832.16143.49574.32483.70832.49853.00651.0955
H63.49834.35183.81163.76241.09581.77382.19222.50073.45834.21273.59072.77623.35211.7760
H72.79663.81092.61503.12211.09471.77382.16693.06693.91754.59514.36392.71232.73301.7803
C81.53762.19152.16582.17751.53832.19222.16691.10002.45743.38422.63221.52622.42882.1778
H92.16162.49833.06642.52402.16142.50073.06691.10002.50153.50952.23242.15673.30182.5206
N103.51833.50003.93294.42213.49573.45833.91752.45742.50151.00841.00581.36602.28654.4023
H114.34634.25424.60985.31754.32484.21274.59513.38423.50951.00841.73442.05052.51605.2984
H123.74073.64854.38784.48583.70833.59074.36392.63222.23241.00581.73442.08613.19774.4556
C132.49962.78152.70863.45902.49852.77622.71231.52622.15671.36602.05052.08611.24853.4583
O142.98873.33042.70753.99643.00653.35212.73302.42883.30182.28652.51603.19771.24854.0117
H152.76073.76273.13312.52841.09551.77601.78032.17782.52064.40235.29844.45563.45834.0117

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 111.081 C1 C8 H9 108.942
C1 C8 C13 109.338 H2 C1 H3 108.121
H2 C1 H4 108.275 H2 C1 C8 111.544
H3 C1 H4 108.795 H3 C1 C8 109.581
H4 C1 C8 110.450 C5 C8 H9 108.883
C5 C8 C13 109.233 H6 C5 H7 108.145
H6 C5 C8 111.554 H6 C5 H15 108.276
H7 C5 C8 109.618 H7 C5 H15 108.747
C8 C5 H15 110.425 C8 C13 N10 116.235
C8 C13 O14 121.847 H9 C8 C13 109.339
N10 C13 O14 121.918 H11 N10 H12 118.882
H11 N10 C13 118.672 H12 N10 C13 122.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.465      
2 H 0.161      
3 H 0.194      
4 H 0.158      
5 C -0.465      
6 H 0.161      
7 H 0.193      
8 C -0.226      
9 H 0.143      
10 N -0.774      
11 H 0.351      
12 H 0.343      
13 C 0.558      
14 O -0.490      
15 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.210 0.382 -3.855 3.880
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.063 0.506 -5.177
y 0.506 -37.841 0.157
z -5.177 0.157 -39.249
Traceless
 xyz
x 6.482 0.506 -5.177
y 0.506 -2.185 0.157
z -5.177 0.157 -4.298
Polar
3z2-r2-8.595
x2-y25.778
xy0.506
xz-5.177
yz0.157


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> 173.761
(<r2>)1/2 13.182