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: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-287.805383
Energy at 298.15K-287.816030
Nuclear repulsion energy235.963168
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 B3LYP/LANL2DZ
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 3757 3611 27.15      
2 A 3602 3463 36.62      
3 A 3136 3015 80.60      
4 A 3126 3005 56.12      
5 A 3105 2985 6.49      
6 A 3087 2967 21.33      
7 A 3056 2938 30.67      
8 A 3038 2920 22.19      
9 A 3031 2913 32.54      
10 A 1686 1621 319.45      
11 A 1646 1582 60.81      
12 A 1533 1473 16.29      
13 A 1524 1465 11.67      
14 A 1521 1462 3.46      
15 A 1494 1436 12.30      
16 A 1440 1384 6.38      
17 A 1411 1356 83.55      
18 A 1373 1320 55.52      
19 A 1322 1271 21.28      
20 A 1302 1251 42.98      
21 A 1260 1211 10.54      
22 A 1145 1101 1.09      
23 A 1134 1090 11.15      
24 A 1080 1038 0.99      
25 A 1066 1025 2.19      
26 A 936 900 4.90      
27 A 898 863 1.59      
28 A 860 826 2.98      
29 A 765 736 17.17      
30 A 688 662 65.34      
31 A 609 586 70.42      
32 A 541 520 117.94      
33 A 507 488 84.84      
34 A 424 408 2.64      
35 A 339 326 2.26      
36 A 235 226 0.27      
37 A 187 180 7.54      
38 A 92 89 2.31      
39 A 43 42 4.64      

Unscaled Zero Point Vibrational Energy (zpe) 29000.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 27875.2 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 B3LYP/LANL2DZ
ABC
0.27604 0.05984 0.05185

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.753 -0.180 0.036
H2 -2.909 -0.153 1.123
H3 -3.534 0.435 -0.430
H4 -2.900 -1.217 -0.298
C5 -1.350 0.339 -0.336
H6 -1.229 0.341 -1.428
H7 -1.225 1.378 -0.007
C8 -0.225 -0.508 0.302
H9 -0.262 -1.541 -0.072
H10 -0.386 -0.554 1.390
N11 2.181 -0.804 -0.168
H12 3.121 -0.450 -0.292
H13 2.016 -1.799 -0.220
C14 1.162 0.099 0.073
O15 1.380 1.335 0.120

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09891.09761.09921.54172.17662.18222.56232.84002.75204.97685.88945.04263.92454.4030
H21.09891.77391.77562.19123.09452.54052.82873.21852.56825.29086.20115.36374.21114.6496
H31.09761.77391.77392.18872.51412.52953.51703.83863.76775.85326.71535.98634.73445.0264
H41.09921.77561.77392.19702.54903.10182.83122.66693.09945.09906.06984.95084.28545.0009
C51.54172.19122.18872.19701.09941.09631.54482.18792.16833.71434.54013.98892.55552.9413
H62.17663.09452.51412.54901.09941.75912.17242.51323.07433.81104.56504.07032.83333.1925
H72.18222.54052.52953.10181.09631.75912.15643.07432.52724.04794.72404.54362.70922.6092
C82.56232.82873.51702.83121.54482.17242.15641.09951.10082.46923.39942.63891.53092.4511
H92.84003.21853.83862.66692.18792.51323.07431.09951.76792.55373.56212.29782.17673.3180
H102.75202.56823.76773.09942.16833.07432.52721.10081.76793.01263.89123.14842.13402.8815
N114.97685.29085.85325.09903.71433.81104.04792.46922.55373.01261.01261.01021.38242.3017
H125.88946.20116.71536.06984.54014.56504.72403.39943.56213.89121.01261.74542.06772.5274
H135.04265.36375.98634.95083.98894.07034.54362.63892.29783.14841.01021.74542.10193.2161
C143.92454.21114.73444.28542.55552.83332.70921.53092.17672.13401.38242.06772.10191.2565
O154.40304.64965.02645.00092.94133.19252.60922.45113.31802.88152.30172.52743.21611.2565

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.868 C1 C5 H7 110.487
C1 C5 C8 112.232 H2 C1 H3 107.724
H2 C1 H4 107.764 H2 C1 C5 111.047
H3 C1 H4 107.713 H3 C1 C5 110.931
H4 C1 C5 111.494 C5 C8 H9 110.532
C5 C8 H10 108.929 C5 C8 C14 112.373
H6 C5 H7 106.483 H6 C5 C8 109.325
H7 C5 C8 108.266 C8 C14 N11 115.800
C8 C14 O15 122.826 H9 C8 H10 106.925
H9 C8 C14 110.626 H10 C8 C14 107.236
N11 C14 O15 121.365 H12 N11 H13 119.280
H12 N11 C14 118.566 H13 N11 C14 122.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.640      
2 H 0.194      
3 H 0.207      
4 H 0.189      
5 C -0.305      
6 H 0.185      
7 H 0.225      
8 C -0.426      
9 H 0.182      
10 H 0.215      
11 N -0.629      
12 H 0.333      
13 H 0.311      
14 C 0.255      
15 O -0.297      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.072 -4.077 -0.291 4.088
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.944 -7.209 -1.290
y -7.209 -39.370 0.069
z -1.290 0.069 -37.750
Traceless
 xyz
x 5.616 -7.209 -1.290
y -7.209 -4.023 0.069
z -1.290 0.069 -1.593
Polar
3z2-r2-3.186
x2-y26.426
xy-7.209
xz-1.290
yz0.069


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.932 -0.335 -0.259
y -0.335 7.982 0.118
z -0.259 0.118 5.751


<r2> (average value of r2) Å2
<r2> 220.955
(<r2>)1/2 14.865