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

using model chemistry: HF/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 HF/CEP-31G
 hartrees
Energy at 0K-52.462953
Energy at 298.15K-52.473953
Nuclear repulsion energy137.703980
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-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 4011 3616 47.65      
2 A 3851 3471 55.40      
3 A 3324 2996 95.02      
4 A 3316 2989 5.28      
5 A 3289 2965 112.41      
6 A 3283 2960 38.69      
7 A 3237 2918 55.26      
8 A 3210 2893 29.60      
9 A 3208 2891 77.22      
10 A 1822 1642 361.80      
11 A 1790 1613 105.95      
12 A 1651 1488 18.84      
13 A 1640 1478 12.65      
14 A 1632 1471 3.25      
15 A 1626 1465 2.05      
16 A 1569 1415 28.08      
17 A 1559 1406 54.55      
18 A 1552 1399 3.95      
19 A 1466 1321 0.05      
20 A 1406 1268 184.74      
21 A 1315 1185 10.46      
22 A 1237 1115 21.52      
23 A 1230 1109 0.02      
24 A 1188 1071 9.23      
25 A 1066 961 0.27      
26 A 1036 934 4.83      
27 A 992 894 0.47      
28 A 837 754 72.37      
29 A 819 739 0.19      
30 A 665 599 223.91      
31 A 657 592 10.21      
32 A 554 499 133.80      
33 A 506 456 4.88      
34 A 345 311 0.88      
35 A 305 275 9.47      
36 A 256 231 2.31      
37 A 255 230 4.62      
38 A 232 209 1.04      
39 A 24 22 10.32      

Unscaled Zero Point Vibrational Energy (zpe) 30979.1 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 27924.6 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-31G
ABC
0.16193 0.08563 0.08274

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.355 1.277 -0.033
H2 0.835 2.181 -0.351
H3 1.452 1.305 1.050
H4 2.352 1.286 -0.473
C5 1.355 -1.277 -0.034
H6 0.835 -2.180 -0.353
H7 1.452 -1.306 1.049
C8 0.596 0.000 -0.470
H9 0.497 0.001 -1.555
N10 -1.870 0.000 -0.718
H11 -2.793 0.000 -0.338
H12 -1.752 0.001 -1.706
C13 -0.805 -0.000 0.151
O14 -0.982 -0.001 1.381
H15 2.352 -1.285 -0.474

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.09041.08721.08972.55393.51102.80181.54842.16393.53554.35133.75252.51583.01552.7845
H21.09041.76371.76533.51104.36133.80762.19682.51323.49354.23323.64392.77433.32593.7854
H31.08721.76371.76922.80183.80762.61102.17803.06563.98264.65324.42262.75752.78173.1373
H41.08971.76531.76922.78453.78543.13742.17622.50214.41975.30514.47313.46494.02582.5710
C52.55393.51102.80182.78451.09041.08721.54832.16393.53564.35163.75292.51583.01541.0897
H63.51104.36133.80763.78541.09041.76372.19682.51313.49384.23373.64452.77443.32591.7653
H72.80183.80762.61103.13741.08721.76372.17793.06563.98264.65334.42282.75742.78151.7692
C81.54842.19682.17802.17621.54832.19682.17791.09012.47833.39192.65351.53172.43192.1761
H92.16392.51323.06562.50212.16392.51313.06561.09012.51093.50852.25412.14593.28782.5022
N103.53553.49353.98264.41973.53563.49383.98262.47832.51090.99850.99551.37442.27924.4199
H114.35134.23324.65325.30514.35164.23374.65333.39193.50850.99851.71942.04812.49785.3053
H123.75253.64394.42264.47313.75293.64454.42282.65352.25410.99551.71942.08463.18204.4735
C132.51582.77432.75753.46492.51582.77442.75741.53172.14591.37442.04812.08461.24323.4649
O143.01553.32592.78174.02583.01543.32592.78152.43193.28782.27922.49783.18201.24324.0257
H152.78453.78543.13732.57101.08971.76531.76922.17612.50224.41995.30534.47353.46494.0257

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 111.120 C1 C8 H9 108.963
C1 C8 C13 109.529 H2 C1 H3 108.181
H2 C1 H4 108.143 H2 C1 C8 111.542
H3 C1 H4 108.727 H3 C1 C8 110.231
H4 C1 C8 109.939 C5 C8 H9 108.963
C5 C8 C13 109.531 H6 C5 H7 108.181
H6 C5 C8 111.542 H6 C5 H15 108.143
H7 C5 C8 110.231 H7 C5 H15 108.726
C8 C5 H15 109.939 C8 C13 N10 116.922
C8 C13 O14 122.077 H9 C8 C13 108.693
N10 C13 O14 121.001 H11 N10 H12 119.153
H11 N10 C13 118.467 H12 N10 C13 122.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.386      
2 H 0.118      
3 H 0.146      
4 H 0.121      
5 C -0.386      
6 H 0.118      
7 H 0.146      
8 C 0.044      
9 H 0.074      
10 N -0.578      
11 H 0.366      
12 H 0.354      
13 C 0.035      
14 O -0.292      
15 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.239 0.003 -4.568 4.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.001 -0.005 5.679
y -0.005 -38.656 0.001
z 5.679 0.001 -41.393
Traceless
 xyz
x 7.024 -0.005 5.679
y -0.005 -1.459 0.001
z 5.679 0.001 -5.565
Polar
3z2-r2-11.130
x2-y25.655
xy-0.005
xz5.679
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.416 -0.000 0.248
y -0.000 6.208 -0.001
z 0.248 -0.001 7.335


<r2> (average value of r2) Å2
<r2> 145.913
(<r2>)1/2 12.079