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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: PBEPBE/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-287.588715
Energy at 298.15K-287.598834
Nuclear repulsion energy237.833279
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-pVTZ
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 3639 3614 24.45      
2 A 3502 3478 19.07      
3 A 3035 3014 34.57      
4 A 3032 3011 46.24      
5 A 3009 2988 1.60      
6 A 2982 2962 17.41      
7 A 2970 2950 29.67      
8 A 2959 2938 24.74      
9 A 2945 2924 12.44      
10 A 1718 1706 260.22      
11 A 1556 1545 102.69      
12 A 1458 1448 7.38      
13 A 1449 1439 7.53      
14 A 1442 1432 2.16      
15 A 1409 1399 7.77      
16 A 1364 1354 1.60      
17 A 1354 1345 74.55      
18 A 1315 1306 21.89      
19 A 1275 1266 32.59      
20 A 1223 1215 30.55      
21 A 1206 1198 6.87      
22 A 1100 1092 0.99      
23 A 1078 1070 1.83      
24 A 1043 1036 0.72      
25 A 1023 1016 2.90      
26 A 906 900 2.53      
27 A 856 850 0.85      
28 A 820 815 4.23      
29 A 727 722 4.64      
30 A 656 651 2.79      
31 A 595 591 10.72      
32 A 507 504 5.54      
33 A 410 407 2.04      
34 A 331 329 1.88      
35 A 243 241 0.17      
36 A 181 179 7.15      
37 A 156 155 162.46      
38 A 91 90 2.06      
39 A 40 39 3.86      

Unscaled Zero Point Vibrational Energy (zpe) 27801.0 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 27609.1 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 PBEPBE/cc-pVTZ
ABC
0.28458 0.06069 0.05245

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.735 -0.186 0.045
H2 -2.879 -0.247 1.134
H3 -3.525 0.463 -0.359
H4 -2.894 -1.194 -0.366
C5 -1.347 0.352 -0.301
H6 -1.240 0.443 -1.393
H7 -1.212 1.366 0.102
C8 -0.219 -0.528 0.241
H9 -0.250 -1.530 -0.217
H10 -0.359 -0.678 1.326
N11 2.181 -0.778 -0.156
H12 3.128 -0.417 -0.199
H13 2.037 -1.779 -0.155
C14 1.159 0.107 0.061
O15 1.348 1.318 0.119

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10051.09881.10071.52772.16712.17502.54642.83762.74374.95615.87235.03473.90464.3516
H21.10051.77451.77442.18203.08952.53842.81933.22222.56315.24896.15475.30754.19244.6197
H31.09881.77451.77382.18092.50772.52513.50233.83633.76285.84306.71225.99994.71534.9697
H41.10071.77441.77382.18792.54353.09882.82242.66943.09075.09666.07374.96974.27764.9536
C51.52772.18202.18092.18791.10151.09901.52942.17992.16393.70804.54174.00172.54362.8936
H62.16713.08952.50772.54351.10151.75702.15732.50103.07003.83774.60914.14832.82493.1224
H72.17502.53842.52513.09881.09901.75702.14203.06752.53004.02164.70084.52822.68382.5598
C82.54642.81933.50232.82241.52942.15732.14201.10221.10432.44623.37752.61001.52782.4243
H92.83763.22223.83632.66942.17992.50103.06751.10221.76592.54543.55592.30092.17713.2824
H102.74372.56313.76283.09072.16393.07002.53001.10431.76592.94333.81483.02422.12652.8908
N114.95615.24895.84305.09663.70803.83774.02162.44622.54542.94331.01351.01131.36992.2724
H125.87236.15476.71226.07374.54174.60914.70083.37753.55593.81481.01351.74512.05422.5060
H135.03475.30755.99994.96974.00174.14834.52822.61002.30093.02421.01131.74512.09163.1843
C143.90464.19244.71534.27762.54362.82492.68381.52782.17712.12651.36992.05422.09161.2270
O154.35164.61974.96974.95362.89363.12242.55982.42433.28242.89082.27242.50603.18431.2270

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.963 C1 C5 H7 110.734
C1 C5 C8 112.804 H2 C1 H3 107.588
H2 C1 H4 107.442 H2 C1 C5 111.202
H3 C1 H4 107.510 H3 C1 C5 111.222
H4 C1 C5 111.669 C5 C8 H9 110.816
C5 C8 H10 109.429 C5 C8 C14 112.608
H6 C5 H7 105.967 H6 C5 C8 109.083
H7 C5 C8 108.036 C8 C14 N11 115.065
C8 C14 O15 122.927 H9 C8 H10 106.316
H9 C8 C14 110.705 H10 C8 C14 106.681
N11 C14 O15 122.003 H12 N11 H13 119.058
H12 N11 C14 118.287 H13 N11 C14 122.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.294      
2 H 0.089      
3 H 0.099      
4 H 0.085      
5 C -0.141      
6 H 0.084      
7 H 0.103      
8 C -0.176      
9 H 0.071      
10 H 0.102      
11 N -0.188      
12 H 0.147      
13 H 0.145      
14 C 0.177      
15 O -0.303      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.315 -3.464 -0.131 3.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.308 -6.272 -0.543
y -6.272 -39.256 -0.091
z -0.543 -0.091 -38.253
Traceless
 xyz
x 5.447 -6.272 -0.543
y -6.272 -3.476 -0.091
z -0.543 -0.091 -1.971
Polar
3z2-r2-3.941
x2-y25.949
xy-6.272
xz-0.543
yz-0.091


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.256 -0.411 -0.239
y -0.411 9.219 0.035
z -0.239 0.035 7.124


<r2> (average value of r2) Å2
<r2> 218.542
(<r2>)1/2 14.783