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: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-287.700847
Energy at 298.15K-287.711170
HF Energy-287.700847
Nuclear repulsion energy239.151781
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 M06-2X/6-31G*
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 3558 44.49      
2 A 3628 3436 47.42      
3 A 3161 2994 36.23      
4 A 3160 2993 37.18      
5 A 3138 2972 2.78      
6 A 3106 2941 15.01      
7 A 3102 2937 11.78      
8 A 3078 2915 22.56      
9 A 3062 2900 12.41      
10 A 1863 1764 294.85      
11 A 1649 1562 137.66      
12 A 1542 1460 4.40      
13 A 1536 1454 7.19      
14 A 1521 1440 3.78      
15 A 1498 1419 5.83      
16 A 1451 1374 60.29      
17 A 1444 1368 25.24      
18 A 1376 1303 53.51      
19 A 1338 1267 3.62      
20 A 1273 1206 50.74      
21 A 1264 1197 3.58      
22 A 1158 1097 0.29      
23 A 1130 1070 1.21      
24 A 1103 1044 0.43      
25 A 1076 1019 2.38      
26 A 950 900 2.51      
27 A 898 851 0.97      
28 A 861 815 2.23      
29 A 757 717 7.52      
30 A 642 608 8.25      
31 A 627 593 15.86      
32 A 507 480 5.71      
33 A 435 412 1.91      
34 A 350 332 3.54      
35 A 248 235 0.57      
36 A 221 209 258.80      
37 A 184 174 10.23      
38 A 98 93 0.27      
39 A 28 27 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 29109.0 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 27566.2 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 M06-2X/6-31G*
ABC
0.29278 0.06164 0.05250

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.699 -0.033 0.011
H2 2.884 -1.111 0.013
H3 3.418 0.440 -0.661
H4 2.870 0.347 1.022
C5 1.260 0.263 -0.432
H6 1.090 1.342 -0.443
H7 1.104 -0.117 -1.445
C8 0.236 -0.404 0.508
H9 0.394 -0.015 1.522
H10 0.397 -1.484 0.522
N11 -1.566 1.177 -0.013
H12 -2.548 1.205 -0.280
H13 -1.445 1.686 0.864
C14 -1.169 -0.159 0.078
O15 -1.919 -1.067 -0.252

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.09331.09201.09331.53462.16472.16132.54012.75582.76814.43305.39884.56633.87094.7398
H21.09331.77281.77302.17383.07292.50662.78563.11132.56615.00385.91265.22354.16464.8112
H31.09201.77281.77182.17772.50642.50613.49383.75693.77175.07956.02695.24634.68515.5611
H41.09331.77301.77182.17072.51073.06922.78732.55193.11714.62985.63794.52044.17925.1537
C51.53462.17382.17772.17071.09171.09391.54192.15442.16942.99883.92533.31882.51773.4510
H62.16473.07292.50642.51071.09171.77002.16402.48663.06502.69503.64382.87232.76183.8593
H72.16132.50662.50613.06921.09391.77002.15683.05222.49783.29454.05483.88292.73673.3863
C82.54012.78563.49382.78731.54192.16402.15681.09741.09122.45313.31072.70531.48992.3792
H92.75583.11133.75692.55192.15442.48663.05221.09741.77652.75953.65912.58922.13303.0990
H102.76812.56613.77173.11712.16943.06502.49781.09121.77653.34954.06793.68142.09922.4778
N114.43305.00385.07954.62982.99882.69503.29452.45312.75953.34951.01841.02061.39672.2846
H125.39885.91266.02695.63793.92533.64384.05483.31073.65914.06791.01841.66031.97212.3579
H134.56635.22355.24634.52043.31882.87233.88292.70532.58923.68141.02061.66032.02393.0079
C143.87094.16464.68514.17922.51772.76182.73671.48992.13302.09921.39671.97212.02391.2229
O154.73984.81125.56115.15373.45103.85933.38632.37923.09902.47782.28462.35793.00791.2229

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.876 C1 C5 H7 109.484
C1 C5 C8 111.304 H2 C1 H3 108.429
H2 C1 H4 108.356 H2 C1 C5 110.497
H3 C1 H4 108.342 H3 C1 C5 110.886
H4 C1 C5 110.254 C5 C8 H9 108.246
C5 C8 H10 109.765 C5 C8 C14 112.272
H6 C5 H7 108.164 H6 C5 C8 109.320
H7 C5 C8 108.627 C8 C14 N11 116.349
C8 C14 O15 122.259 H9 C8 H10 108.523
H9 C8 C14 110.135 H10 C8 C14 107.840
N11 C14 O15 121.270 H12 N11 H13 109.033
H12 N11 C14 108.476 H13 N11 C14 112.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.484      
2 H 0.153      
3 H 0.166      
4 H 0.153      
5 C -0.283      
6 H 0.178      
7 H 0.169      
8 C -0.403      
9 H 0.175      
10 H 0.168      
11 N -0.809      
12 H 0.363      
13 H 0.354      
14 C 0.610      
15 O -0.511      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.347 -3.501 0.310 3.531
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.469 5.971 -0.783
y 5.971 -38.595 -0.502
z -0.783 -0.502 -37.710
Traceless
 xyz
x 5.683 5.971 -0.783
y 5.971 -3.505 -0.502
z -0.783 -0.502 -2.178
Polar
3z2-r2-4.356
x2-y26.126
xy5.971
xz-0.783
yz-0.502


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.754 0.339 0.037
y 0.339 7.908 0.044
z 0.037 0.044 5.699


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000