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

using model chemistry: B3LYP/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 B3LYP/6-311G*
 hartrees
Energy at 0K-287.915024
Energy at 298.15K-287.925307
Nuclear repulsion energy247.347392
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/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 3732 3606 22.01      
2 A 3597 3476 22.84      
3 A 3118 3013 43.17      
4 A 3113 3008 3.06      
5 A 3095 2990 52.64      
6 A 3092 2988 22.35      
7 A 3037 2935 16.63      
8 A 3033 2930 41.53      
9 A 3014 2912 39.80      
10 A 1780 1720 284.41      
11 A 1653 1598 105.08      
12 A 1534 1482 17.33      
13 A 1519 1468 12.94      
14 A 1511 1460 1.95      
15 A 1504 1453 1.44      
16 A 1432 1384 35.88      
17 A 1412 1364 31.61      
18 A 1408 1361 6.56      
19 A 1342 1297 1.30      
20 A 1288 1245 110.22      
21 A 1202 1162 4.30      
22 A 1142 1104 6.85      
23 A 1124 1086 0.24      
24 A 1068 1032 6.61      
25 A 978 945 0.09      
26 A 941 909 1.82      
27 A 915 884 2.98      
28 A 781 755 6.54      
29 A 754 729 3.85      
30 A 618 597 6.10      
31 A 602 582 15.34      
32 A 478 462 3.31      
33 A 327 316 0.87      
34 A 291 282 5.10      
35 A 244 236 4.72      
36 A 243 235 5.70      
37 A 222 214 8.84      
38 A 186 180 201.94      
39 A 20 19 8.51      

Unscaled Zero Point Vibrational Energy (zpe) 28674.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 27707.7 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/6-311G*
ABC
0.16361 0.08700 0.08396

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.367 -1.258 -0.095
H2 -0.873 -2.145 -0.501
H3 -1.412 -1.367 0.991
H4 -2.389 -1.234 -0.483
C5 -1.348 1.275 0.050
H6 -0.838 2.195 -0.250
H7 -1.397 1.259 1.140
C8 -0.616 0.028 -0.466
H9 -0.544 0.090 -1.559
N10 1.823 0.054 -0.757
H11 2.767 0.032 -0.405
H12 1.678 0.125 -1.748
C13 0.793 -0.015 0.137
O14 0.981 -0.103 1.337
H15 -2.369 1.314 -0.342

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.09361.09171.09352.53773.49702.80361.53522.15433.51244.34193.73142.50322.98292.7710
H21.09361.76651.76893.49694.34753.81482.18852.49493.48824.24213.63552.77823.31423.7717
H31.09171.76651.77342.80573.81522.63002.16833.06243.94154.62234.39052.72332.72793.1430
H41.09351.76891.77342.76873.77123.13592.17692.51354.41315.30984.47123.46373.99372.5521
C52.53773.49692.80572.76871.09371.09171.53582.15413.49284.32303.70372.50182.99701.0934
H63.49704.34753.81523.77121.09371.76672.18902.49633.45264.20663.58632.77373.33231.7689
H72.80363.81482.63003.13591.09171.76672.16903.06273.92684.60784.36902.72502.74721.7730
C81.53522.18852.16832.17691.53582.18902.16901.09742.45603.38322.62991.53312.41182.1773
H92.15432.49493.06242.51352.15412.49633.06271.09742.49923.50662.23022.16243.27872.5116
N103.51243.48823.94154.41313.49283.45263.92682.45602.49921.00771.00471.36572.26254.3963
H114.34194.24214.62235.30984.32304.20664.60783.38323.50661.00771.73192.04752.49875.2934
H123.73143.63554.39054.47123.70373.58634.36902.62992.23021.00471.73192.08803.17184.4460
C132.50322.77822.72333.46372.50182.77372.72501.53312.16241.36572.04752.08801.21763.4628
O142.98293.31422.72793.99372.99703.33232.74722.41183.27872.26252.49873.17181.21764.0055
H152.77103.77173.14302.55211.09341.76891.77302.17732.51164.39635.29344.44603.46284.0055

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 111.452 C1 C8 H9 108.694
C1 C8 C13 109.334 H2 C1 H3 107.866
H2 C1 H4 107.954 H2 C1 C8 111.605
H3 C1 H4 108.503 H3 C1 C8 110.113
H4 C1 C8 110.690 C5 C8 H9 108.645
C5 C8 C13 109.218 H6 C5 H7 107.879
H6 C5 C8 111.611 H6 C5 H15 107.952
H7 C5 C8 110.134 H7 C5 H15 108.465
C8 C5 H15 110.689 C8 C13 N10 115.714
C8 C13 O14 122.100 H9 C8 C13 109.472
N10 C13 O14 122.186 H11 N10 H12 118.767
H11 N10 C13 118.464 H12 N10 C13 122.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.605     -0.447
2 H 0.208     0.095
3 H 0.229     0.124
4 H 0.206     0.122
5 C -0.605     -0.454
6 H 0.208     0.098
7 H 0.228     0.127
8 C -0.320     0.211
9 H 0.188     0.002
10 N -0.777     -1.037
11 H 0.349     0.446
12 H 0.348     0.412
13 C 0.512     0.742
14 O -0.376     -0.563
15 H 0.206     0.123


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.336 0.273 -3.613 3.639
CHELPG        
AIM        
ESP 0.308 0.272 -3.618 3.641


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.035 0.356 -4.743
y 0.356 -38.754 0.066
z -4.743 0.066 -39.327
Traceless
 xyz
x 6.005 0.356 -4.743
y 0.356 -2.573 0.066
z -4.743 0.066 -3.433
Polar
3z2-r2-6.865
x2-y25.719
xy0.356
xz-4.743
yz0.066


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.023 0.029 -0.361
y 0.029 7.140 -0.085
z -0.361 -0.085 8.069


<r2> (average value of r2) Å2
<r2> 173.667
(<r2>)1/2 13.178