return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-287.722340
Energy at 298.15K-287.732635
Nuclear repulsion energy239.216938
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 B1B95/cc-pVDZ
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 3739 3594 34.75      
2 A 3595 3456 31.38      
3 A 3136 3014 31.01      
4 A 3131 3010 51.11      
5 A 3108 2987 0.60      
6 A 3077 2957 12.99      
7 A 3076 2956 13.30      
8 A 3044 2926 31.92      
9 A 3035 2917 17.68      
10 A 1825 1755 276.01      
11 A 1591 1529 132.51      
12 A 1477 1420 5.54      
13 A 1466 1409 6.79      
14 A 1459 1402 3.55      
15 A 1437 1381 6.23      
16 A 1419 1364 83.20      
17 A 1395 1341 6.37      
18 A 1353 1300 27.16      
19 A 1314 1263 2.40      
20 A 1243 1195 41.92      
21 A 1231 1183 1.73      
22 A 1143 1099 0.18      
23 A 1098 1055 0.64      
24 A 1092 1049 0.46      
25 A 1064 1022 2.52      
26 A 940 903 1.71      
27 A 882 848 0.44      
28 A 848 815 3.22      
29 A 748 719 7.67      
30 A 633 608 10.78      
31 A 616 592 9.12      
32 A 501 481 7.79      
33 A 428 411 1.76      
34 A 341 328 3.16      
35 A 252 242 0.16      
36 A 210 202 188.66      
37 A 179 172 8.36      
38 A 100 96 0.51      
39 A 33 32 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 28626.9 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 27516.1 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 B1B95/cc-pVDZ
ABC
0.29396 0.06168 0.05249

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.719 -0.234 0.002
H2 -2.859 -0.834 0.914
H3 -3.526 0.510 -0.030
H4 -2.856 -0.908 -0.857
C5 -1.353 0.432 -0.023
H6 -1.245 1.053 -0.924
H7 -1.247 1.127 0.822
C8 -0.211 -0.567 0.021
H9 -0.268 -1.267 -0.829
H10 -0.279 -1.193 0.927
N11 2.212 -0.754 -0.051
H12 3.136 -0.358 0.062
H13 2.096 -1.744 0.110
C14 1.151 0.103 0.005
O15 1.295 1.311 0.017

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10081.09861.10081.51932.16522.16572.52992.78672.78044.95885.85615.04693.88484.3009
H21.10081.77341.77312.17873.08982.53962.80703.15272.60485.16256.07315.10104.21704.7602
H31.09861.77341.77342.17442.51032.51043.48643.79683.79035.87636.71906.05874.69554.8876
H41.10081.77311.77342.17912.53923.09022.80772.61303.14785.13446.08685.11414.22204.7875
C51.51932.17872.17442.17911.09991.09961.51792.17132.16773.75774.55874.07992.52632.7908
H62.16523.08982.51032.53921.09991.74802.14142.51933.06713.99714.70644.47732.73972.7204
H72.16572.53962.51043.09021.09961.74802.14093.06872.51594.03304.68914.46302.73242.6726
C82.52992.80703.48642.80771.51792.14142.14091.10301.10402.43163.35342.59101.51822.4076
H92.78673.15273.79682.61302.17132.51933.06871.10301.75842.64983.63422.58772.14233.1321
H102.78042.60483.79033.14782.16773.06712.51591.10401.75842.71203.61982.57092.13903.0950
N114.95885.16255.87635.13443.75773.99714.03302.43162.64982.71201.01111.00901.36512.2612
H125.85616.07316.71906.08684.55874.70644.68913.35343.63423.61981.01111.73272.03802.4856
H135.04695.10106.05875.11414.07994.47734.46302.59102.58772.57091.00901.73272.07663.1595
C143.88484.21704.69554.22202.52632.73972.73241.51822.14232.13901.36512.03802.07661.2171
O154.30094.76024.88764.78752.79082.72042.67262.40763.13213.09502.26122.48563.15951.2171

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.499 C1 C5 H7 110.550
C1 C5 C8 112.812 H2 C1 H3 107.471
H2 C1 H4 107.294 H2 C1 C5 111.513
H3 C1 H4 107.477 H3 C1 C5 111.311
H4 C1 C5 111.549 C5 C8 H9 110.885
C5 C8 H10 110.540 C5 C8 C14 112.621
H6 C5 H7 105.260 H6 C5 C8 108.718
H7 C5 C8 108.701 C8 C14 N11 114.881
C8 C14 O15 122.953 H9 C8 H10 105.642
H9 C8 C14 108.590 H10 C8 C14 108.283
N11 C14 O15 122.153 H12 N11 H13 118.129
H12 N11 C14 117.342 H13 N11 C14 121.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.034      
2 H 0.026      
3 H 0.029      
4 H 0.026      
5 C -0.070      
6 H 0.036      
7 H 0.038      
8 C -0.076      
9 H 0.043      
10 H 0.042      
11 N -0.108      
12 H 0.105      
13 H 0.097      
14 C 0.114      
15 O -0.267      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.444 -3.392 0.368 3.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.434 -5.857 1.011
y -5.857 -38.476 -0.543
z 1.011 -0.543 -37.367
Traceless
 xyz
x 5.488 -5.857 1.011
y -5.857 -3.576 -0.543
z 1.011 -0.543 -1.912
Polar
3z2-r2-3.823
x2-y26.042
xy-5.857
xz1.011
yz-0.543


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.532 -0.330 0.001
y -0.330 8.228 -0.010
z 0.001 -0.010 5.998


<r2> (average value of r2) Å2
<r2> 216.246
(<r2>)1/2 14.705