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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-53.759463
Energy at 298.15K-53.770102
Nuclear repulsion energy136.891148
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 3796 3635 29.87      
2 A 3635 3481 38.90      
3 A 3177 3042 62.36      
4 A 3173 3038 4.62      
5 A 3163 3028 68.40      
6 A 3158 3024 29.37      
7 A 3079 2948 41.39      
8 A 3065 2935 46.75      
9 A 3065 2934 27.26      
10 A 1702 1629 296.28      
11 A 1642 1572 82.64      
12 A 1522 1457 25.98      
13 A 1510 1445 17.44      
14 A 1503 1439 4.75      
15 A 1495 1432 1.87      
16 A 1433 1373 66.25      
17 A 1423 1362 42.15      
18 A 1417 1356 13.66      
19 A 1329 1272 0.05      
20 A 1292 1237 89.94      
21 A 1205 1154 4.93      
22 A 1146 1097 0.22      
23 A 1129 1081 10.75      
24 A 1073 1027 12.79      
25 A 991 949 0.10      
26 A 948 908 8.02      
27 A 938 898 3.27      
28 A 766 734 2.10      
29 A 765 733 51.80      
30 A 628 602 181.89      
31 A 604 579 4.53      
32 A 547 524 111.99      
33 A 464 445 2.64      
34 A 315 301 0.82      
35 A 278 266 6.96      
36 A 244 234 4.78      
37 A 244 233 0.45      
38 A 213 204 0.88      
39 A 35 33 9.80      

Unscaled Zero Point Vibrational Energy (zpe) 29053.9 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 27819.1 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 B1B95/CEP-31G
ABC
0.15997 0.08486 0.08269

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 -1.371 -1.274 -0.023
H2 -0.869 -2.192 -0.370
H3 -1.410 -1.300 1.076
H4 -2.401 -1.273 -0.413
C5 -1.370 1.274 -0.024
H6 -0.869 2.192 -0.371
H7 -1.409 1.300 1.075
C8 -0.620 -0.000 -0.487
H9 -0.538 -0.000 -1.588
N10 1.848 -0.000 -0.768
H11 2.793 -0.000 -0.399
H12 1.707 -0.001 -1.770
C13 0.791 -0.000 0.127
O14 0.985 0.000 1.374
H15 -2.401 1.273 -0.413

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.10201.10051.10172.54763.51912.79921.54932.18193.54084.36993.76062.51353.02062.7752
H21.10201.78281.78683.51914.38423.81812.20932.52923.51424.26823.66082.79453.35943.7892
H31.10051.78281.78902.79923.81812.60012.18063.08913.96284.63954.41592.72612.74093.1341
H41.10171.78681.78902.77523.78923.13412.19102.54384.45035.34774.50983.47904.03482.5467
C52.54763.51912.79922.77521.10201.10051.54942.18193.54084.36983.76052.51353.02041.1017
H63.51914.38423.81813.78921.10201.78282.20942.52923.51414.26803.66072.79463.35911.7868
H72.79923.81812.60013.13411.10051.78282.18063.08913.96274.63944.41582.72612.74071.7890
C81.54932.20932.18062.19101.54942.20942.18061.10402.48403.41352.65701.53852.45682.1910
H92.18192.52923.08912.54382.18192.52923.08911.10402.52343.53672.25262.16993.33022.5438
N103.54083.51423.96284.45033.54083.51413.96272.48402.52341.01401.01161.38562.30954.4503
H114.36994.26824.63955.34774.36984.26804.63943.41353.53671.01401.74882.06982.53215.3476
H123.76063.66084.41594.50983.76053.66074.41582.65702.25261.01161.74882.10683.22564.5098
C132.51352.79452.72613.47902.51352.79462.72611.53852.16991.38562.06982.10681.26143.4790
O143.02063.35942.74094.03483.02043.35912.74072.45683.33022.30952.53213.22561.26144.0347
H152.77523.78923.13412.54671.10171.78681.78902.19102.54384.45035.34764.50983.47904.0347

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 110.603 C1 C8 H9 109.489
C1 C8 C13 108.971 H2 C1 H3 108.076
H2 C1 H4 108.344 H2 C1 C8 111.766
H3 C1 H4 108.654 H3 C1 C8 109.588
H4 C1 C8 110.330 C5 C8 H9 109.489
C5 C8 C13 108.972 H6 C5 H7 108.076
H6 C5 C8 111.766 H6 C5 H15 108.344
H7 C5 C8 109.588 H7 C5 H15 108.654
C8 C5 H15 110.330 C8 C13 N10 116.211
C8 C13 O14 122.360 H9 C8 C13 109.295
N10 C13 O14 121.429 H11 N10 H12 119.380
H11 N10 C13 118.387 H12 N10 C13 122.233
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 -0.507      
2 H 0.154      
3 H 0.179      
4 H 0.157      
5 C -0.507      
6 H 0.154      
7 H 0.179      
8 C 0.014      
9 H 0.120      
10 N -0.403      
11 H 0.327      
12 H 0.314      
13 C -0.202      
14 O -0.137      
15 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.087 -0.001 -4.231 4.232
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.835 -0.002 -5.536
y -0.002 -37.952 -0.001
z -5.536 -0.001 -39.488
Traceless
 xyz
x 6.886 -0.002 -5.536
y -0.002 -2.291 -0.001
z -5.536 -0.001 -4.595
Polar
3z2-r2-9.190
x2-y26.118
xy-0.002
xz-5.536
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.142 -0.000 -0.390
y -0.000 6.428 0.001
z -0.390 0.001 7.752


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