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

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-52.474525
Energy at 298.15K-52.485550
Nuclear repulsion energy137.970593
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 HF/CEP-121G
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 3973 3625 35.97      
2 A 3809 3476 43.80      
3 A 3267 2981 62.89      
4 A 3259 2974 5.15      
5 A 3234 2951 83.07      
6 A 3229 2946 30.51      
7 A 3172 2895 42.42      
8 A 3148 2873 24.67      
9 A 3146 2871 59.73      
10 A 1818 1659 328.84      
11 A 1789 1633 128.36      
12 A 1650 1505 16.60      
13 A 1639 1496 12.70      
14 A 1631 1489 2.95      
15 A 1625 1483 1.35      
16 A 1563 1426 30.02      
17 A 1549 1414 45.44      
18 A 1543 1408 5.06      
19 A 1461 1333 0.33      
20 A 1401 1278 179.26      
21 A 1309 1195 10.64      
22 A 1233 1125 22.00      
23 A 1223 1116 0.00      
24 A 1186 1082 9.06      
25 A 1059 966 0.42      
26 A 1030 939 2.99      
27 A 984 898 0.33      
28 A 833 760 56.31      
29 A 813 742 0.21      
30 A 654 597 11.44      
31 A 651 594 157.35      
32 A 538 491 170.58      
33 A 505 461 4.79      
34 A 345 315 0.87      
35 A 303 277 9.31      
36 A 254 232 2.55      
37 A 253 231 4.84      
38 A 224 204 0.48      
39 A 30 27 10.31      

Unscaled Zero Point Vibrational Energy (zpe) 30666.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 27983.5 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 HF/CEP-121G
ABC
0.16226 0.08599 0.08298

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.353 -1.277 -0.035
H2 -0.832 -2.175 -0.357
H3 -1.450 -1.312 1.044
H4 -2.346 -1.287 -0.475
C5 -1.352 1.278 -0.031
H6 -0.831 2.176 -0.351
H7 -1.449 1.309 1.048
C8 -0.597 0.001 -0.465
H9 -0.500 0.003 -1.548
N10 1.864 0.002 -0.718
H11 2.785 0.001 -0.343
H12 1.744 0.003 -1.702
C13 0.804 -0.000 0.150
O14 0.982 -0.003 1.378
H15 -2.346 1.289 -0.471

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.08701.08401.08652.55463.50672.80561.54572.15733.52884.34173.74272.51293.01202.7858
H21.08701.75821.75943.50674.35103.80732.19092.50383.48374.22083.63122.76763.31943.7820
H31.08401.75821.76412.80533.80722.62102.17433.05773.97684.64554.41252.75652.78193.1402
H41.08651.75941.76412.78603.78213.14112.17232.49424.41005.29214.46073.45934.02002.5761
C52.55463.50672.80532.78601.08701.08401.54572.15733.52814.34123.74212.51283.01241.0865
H63.50674.35103.80723.78211.08701.75822.19092.50353.48274.22023.63022.76783.32061.7594
H72.80563.80732.62103.14111.08401.75822.17433.05773.97594.64474.41182.75612.78211.7641
C81.54572.19092.17432.17231.54572.19092.17431.08782.47423.38412.64761.52932.42672.1723
H92.15732.50383.05772.49422.15732.50353.05771.08782.50633.49992.24962.14103.28052.4944
N103.52883.48373.97684.41003.52813.48273.97592.47422.50630.99440.99121.37062.27444.4096
H114.34174.22084.64555.29214.34124.22024.64473.38413.49990.99441.71242.04172.49235.2918
H123.74273.63124.41254.46073.74213.63024.41182.64762.24960.99121.71242.07683.17304.4605
C132.51292.76762.75653.45932.51282.76782.75611.52932.14101.37062.04172.07681.24133.4593
O143.01203.31942.78194.02003.01243.32062.78212.42673.28052.27442.49233.17301.24134.0202
H152.78583.78203.14022.57611.08651.75941.76412.17232.49444.40965.29184.46053.45934.0202

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 111.450 C1 C8 H9 108.759
C1 C8 C13 109.606 H2 C1 H3 108.159
H2 C1 H4 108.094 H2 C1 C8 111.456
H3 C1 H4 108.740 H3 C1 C8 110.307
H4 C1 C8 110.005 C5 C8 H9 108.758
C5 C8 C13 109.602 H6 C5 H7 108.162
H6 C5 C8 111.457 H6 C5 H15 108.094
H7 C5 C8 110.308 H7 C5 H15 108.735
C8 C5 H15 110.006 C8 C13 N10 117.017
C8 C13 O14 121.956 H9 C8 C13 108.612
N10 C13 O14 121.028 H11 N10 H12 119.178
H11 N10 C13 118.513 H12 N10 C13 122.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.505      
2 H 0.150      
3 H 0.186      
4 H 0.151      
5 C -0.505      
6 H 0.150      
7 H 0.186      
8 C -0.114      
9 H 0.116      
10 N -0.670      
11 H 0.358      
12 H 0.349      
13 C 0.368      
14 O -0.370      
15 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.230 0.008 -4.466 4.472
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.137 0.008 -5.621
y 0.008 -38.698 0.009
z -5.621 0.009 -41.399
Traceless
 xyz
x 6.911 0.008 -5.621
y 0.008 -1.430 0.009
z -5.621 0.009 -5.481
Polar
3z2-r2-10.962
x2-y25.561
xy0.008
xz-5.621
yz0.009


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.957 0.000 -0.197
y 0.000 6.693 -0.003
z -0.197 -0.003 7.792


<r2> (average value of r2) Å2
<r2> 145.531
(<r2>)1/2 12.064