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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-287.494298
Energy at 298.15K-287.504482
Nuclear repulsion energy237.016975
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3614 3593 21.92      
2 A 3470 3450 15.03      
3 A 3049 3032 30.53      
4 A 3042 3025 47.81      
5 A 3019 3002 0.28      
6 A 2988 2971 16.24      
7 A 2978 2960 23.20      
8 A 2960 2943 30.55      
9 A 2942 2925 14.98      
10 A 1743 1733 235.14      
11 A 1533 1524 108.04      
12 A 1431 1423 5.24      
13 A 1420 1412 6.47      
14 A 1414 1406 2.95      
15 A 1389 1381 3.97      
16 A 1358 1350 78.87      
17 A 1347 1340 2.67      
18 A 1305 1297 16.78      
19 A 1266 1259 20.89      
20 A 1207 1200 27.65      
21 A 1191 1184 2.60      
22 A 1103 1097 0.85      
23 A 1064 1058 1.36      
24 A 1054 1048 0.53      
25 A 1029 1023 2.15      
26 A 911 906 1.99      
27 A 852 847 0.76      
28 A 819 814 4.89      
29 A 729 724 6.01      
30 A 637 633 3.67      
31 A 601 598 15.95      
32 A 496 493 6.55      
33 A 414 411 1.25      
34 A 335 333 2.51      
35 A 247 246 4.22      
36 A 231 229 164.49      
37 A 180 179 8.27      
38 A 87 87 0.56      
39 A 31 30 3.81      

Unscaled Zero Point Vibrational Energy (zpe) 27742.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 27581.8 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 PBEPBE/cc-pVDZ
ABC
0.28543 0.06049 0.05190

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.741 -0.204 0.050
H2 2.910 -1.143 -0.520
H3 3.547 0.504 -0.231
H4 2.870 -0.445 1.126
C5 1.358 0.386 -0.229
H6 1.212 1.335 0.327
H7 1.267 0.655 -1.303
C8 0.216 -0.560 0.147
H9 0.338 -0.894 1.204
H10 0.242 -1.486 -0.469
N11 -2.212 -0.764 -0.136
H12 -3.154 -0.379 -0.052
H13 -2.093 -1.770 -0.017
C14 -1.160 0.106 0.042
O15 -1.323 1.325 0.104

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.11081.10851.11081.52922.18732.17792.55232.75362.85674.98775.89885.08173.91344.3426
H21.11081.78851.78832.19803.12102.55892.83653.10662.69155.15046.13035.06764.29464.9397
H31.10851.78851.78942.19152.54032.52413.51713.78253.86535.89696.76116.08434.73124.9497
H41.11081.78831.78942.19372.56053.11192.83132.57223.24575.24546.13845.26204.20914.6646
C51.52922.19802.19152.19371.10941.11141.53042.17512.19333.75174.58034.07472.54822.8603
H62.18733.12102.54032.56051.10941.76732.14862.54933.08794.04244.70604.54752.68652.5447
H72.17792.55892.52413.11191.11141.76732.16433.08972.51653.93374.70944.33822.82853.0223
C82.55232.83653.51712.83131.53042.14862.16431.11501.11242.45223.38052.61141.53202.4339
H92.75363.10663.78252.57222.17512.54933.08971.11501.77712.88313.74662.85792.14282.9819
H102.85672.69153.86533.24572.19333.08792.51651.11241.77712.57893.59582.39462.18213.2681
N114.98775.15045.89695.24543.75174.04243.93372.45222.88312.57891.02141.01961.37662.2830
H125.89886.13036.76116.13844.58034.70604.70943.38053.74663.59581.02141.74922.05472.5067
H135.08175.06766.08435.26204.07474.54754.33822.61142.85792.39461.01961.74922.09583.1915
C143.91344.29464.73124.20912.54822.68652.82851.53202.14282.18211.37662.05472.09581.2315
O154.34264.93974.94974.66462.86032.54473.02232.43392.98193.26812.28302.50673.19151.2315

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.983 C1 C5 H7 110.124
C1 C5 C8 113.065 H2 C1 H3 107.393
H2 C1 H4 107.208 H2 C1 C5 111.753
H3 C1 H4 107.469 H3 C1 C5 111.374
H4 C1 C5 111.406 C5 C8 H9 109.615
C5 C8 H10 111.201 C5 C8 C14 112.625
H6 C5 H7 105.463 H6 C5 C8 107.904
H7 C5 C8 108.989 C8 C14 N11 114.831
C8 C14 O15 123.092 H9 C8 H10 105.848
H9 C8 C14 107.044 H10 C8 C14 110.198
N11 C14 O15 122.075 H12 N11 H13 117.976
H12 N11 C14 117.155 H13 N11 C14 121.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.051      
2 H 0.027      
3 H 0.029      
4 H 0.029      
5 C -0.064      
6 H 0.040      
7 H 0.027      
8 C -0.055      
9 H 0.050      
10 H 0.024      
11 N -0.074      
12 H 0.097      
13 H 0.090      
14 C 0.066      
15 O -0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.518 -3.303 0.205 3.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.527 5.910 -0.469
y 5.910 -38.574 -0.537
z -0.469 -0.537 -37.830
Traceless
 xyz
x 5.675 5.910 -0.469
y 5.910 -3.395 -0.537
z -0.469 -0.537 -2.280
Polar
3z2-r2-4.560
x2-y26.047
xy5.910
xz-0.469
yz-0.537


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.313 0.430 0.144
y 0.430 8.530 0.034
z 0.144 0.034 6.237


<r2> (average value of r2) Å2
<r2> 219.518
(<r2>)1/2 14.816