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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: HF/aug-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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-286.091375
Energy at 298.15K-286.101987
Nuclear repulsion energy239.674968
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/aug-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 3960 3606 49.34      
2 A 3819 3477 51.97      
3 A 3250 2960 67.88      
4 A 3233 2944 59.58      
5 A 3209 2922 22.24      
6 A 3200 2914 11.56      
7 A 3193 2908 17.57      
8 A 3163 2880 32.13      
9 A 3155 2873 27.92      
10 A 1921 1749 411.86      
11 A 1762 1604 125.98      
12 A 1608 1465 6.63      
13 A 1594 1452 6.08      
14 A 1588 1446 1.26      
15 A 1571 1430 7.50      
16 A 1554 1415 68.20      
17 A 1520 1384 6.49      
18 A 1457 1327 52.08      
19 A 1425 1298 4.19      
20 A 1354 1233 107.93      
21 A 1349 1229 1.09      
22 A 1222 1113 1.24      
23 A 1210 1102 1.35      
24 A 1162 1058 5.77      
25 A 1116 1017 2.82      
26 A 991 903 2.58      
27 A 951 866 1.60      
28 A 910 828 1.03      
29 A 802 730 6.08      
30 A 674 614 9.29      
31 A 659 600 22.11      
32 A 539 490 5.41      
33 A 462 421 2.59      
34 A 365 333 4.00      
35 A 262 238 0.18      
36 A 205 187 222.94      
37 A 193 176 10.47      
38 A 105 96 0.87      
39 A 25 23 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 30369.0 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 27654.0 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/aug-cc-pVDZ
ABC
0.29728 0.06117 0.05232

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.729 -0.240 0.010
H2 -2.864 -0.707 0.988
H3 -3.533 0.484 -0.125
H4 -2.849 -1.015 -0.750
C5 -1.365 0.440 -0.096
H6 -1.269 0.928 -1.067
H7 -1.281 1.228 0.650
C8 -0.213 -0.543 0.085
H9 -0.260 -1.334 -0.667
H10 -0.286 -1.038 1.058
N11 2.201 -0.763 -0.085
H12 3.124 -0.395 -0.010
H13 2.072 -1.742 0.018
C14 1.158 0.106 0.018
O15 1.328 1.293 0.049

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09231.09031.09231.52772.15732.15912.53542.78412.77514.95875.85465.03033.90234.3374
H21.09231.76231.76472.17723.07252.52342.80593.14862.60015.17826.07865.13594.21704.7395
H31.09031.76231.76232.16832.49172.49543.48173.78303.77575.86826.71526.03234.70834.9311
H41.09231.76471.76232.17892.52423.07442.80542.61013.13645.10026.05025.03314.23134.8392
C51.52772.17722.16832.17891.09031.08851.52562.16682.16343.76374.56654.07282.54782.8290
H62.15733.07252.49172.52421.09031.74332.14582.50853.05643.98284.70734.41162.78232.8502
H72.15912.52342.49543.07441.08851.74332.14383.05622.50754.07754.74004.52332.75792.6782
C82.53542.80593.48172.80541.52562.14582.14381.09241.09392.42993.34102.58101.51822.3976
H92.78413.14863.78302.61012.16682.50853.05621.09241.75032.59283.57222.46402.13383.1524
H102.77512.60013.77573.13642.16343.05642.50751.09391.75032.75123.63062.67202.11573.0097
N114.95875.17825.86825.10023.76373.98284.07752.42992.59282.75120.99560.99351.36132.2375
H125.85466.07866.71526.05024.56654.70734.74003.34103.57223.63060.99561.70952.02862.4651
H135.03035.13596.03235.03314.07284.41164.52332.58102.46402.67200.99351.70952.06183.1254
C143.90234.21704.70834.23132.54782.78232.75791.51822.13382.11571.36132.02862.06181.1998
O154.33744.73954.93114.83922.82902.85022.67822.39763.15243.00972.23752.46513.12541.1998

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.859 C1 C5 H7 110.103
C1 C5 C8 112.280 H2 C1 H3 107.696
H2 C1 H4 107.768 H2 C1 C5 111.320
H3 C1 H4 107.695 H3 C1 C5 110.730
H4 C1 C5 111.460 C5 C8 H9 110.630
C5 C8 H10 110.265 C5 C8 C14 113.654
H6 C5 H7 106.278 H6 C5 C8 109.094
H7 C5 C8 109.040 C8 C14 N11 114.991
C8 C14 O15 123.367 H9 C8 H10 106.373
H9 C8 C14 108.542 H10 C8 C14 107.059
N11 C14 O15 121.641 H12 N11 H13 118.500
H12 N11 C14 117.951 H13 N11 C14 121.436
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.481      
2 H -0.082      
3 H -0.058      
4 H -0.082      
5 C 0.262      
6 H -0.177      
7 H -0.148      
8 C 0.238      
9 H -0.104      
10 H -0.043      
11 N -0.169      
12 H -0.037      
13 H -0.053      
14 C 0.715      
15 O -0.742      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.081 -3.771 0.248 3.780
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.099 -6.485 0.636
y -6.485 -40.108 -0.466
z 0.636 -0.466 -38.287
Traceless
 xyz
x 5.098 -6.485 0.636
y -6.485 -3.914 -0.466
z 0.636 -0.466 -1.183
Polar
3z2-r2-2.367
x2-y26.008
xy-6.485
xz0.636
yz-0.466


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 217.714
(<r2>)1/2 14.755