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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-284.751152
Energy at 298.15K-284.761903
Nuclear repulsion energy239.492579
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 LSDA/3-21G*
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 3580 3516 26.75      
2 A 3445 3383 23.23      
3 A 3065 3010 19.90      
4 A 3057 3002 28.93      
5 A 3032 2977 1.83      
6 A 3010 2956 10.32      
7 A 2993 2939 14.62      
8 A 2975 2921 17.71      
9 A 2958 2905 6.61      
10 A 1752 1720 172.64      
11 A 1599 1570 113.82      
12 A 1506 1479 13.42      
13 A 1500 1473 14.24      
14 A 1493 1466 6.42      
15 A 1448 1422 11.68      
16 A 1401 1376 3.98      
17 A 1376 1351 127.01      
18 A 1344 1320 5.74      
19 A 1304 1280 47.51      
20 A 1260 1237 2.12      
21 A 1232 1210 0.91      
22 A 1137 1117 5.61      
23 A 1106 1086 6.45      
24 A 1088 1069 3.74      
25 A 1062 1043 0.53      
26 A 937 920 5.59      
27 A 893 877 3.74      
28 A 836 821 10.47      
29 A 758 744 28.14      
30 A 691 679 58.98      
31 A 611 600 26.07      
32 A 536 527 167.53      
33 A 512 503 43.35      
34 A 428 420 1.80      
35 A 357 351 3.72      
36 A 256 251 1.00      
37 A 196 192 9.12      
38 A 87 86 1.74      
39 A 76 74 2.79      

Unscaled Zero Point Vibrational Energy (zpe) 28447.0 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 27935.0 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 LSDA/3-21G*
ABC
0.28577 0.06304 0.05391

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.687 -0.174 0.112
H2 -2.731 -0.325 1.207
H3 -3.482 0.539 -0.167
H4 -2.912 -1.143 -0.371
C5 -1.316 0.336 -0.298
H6 -1.280 0.511 -1.391
H7 -1.069 1.306 0.176
C8 -0.201 -0.618 0.092
H9 -0.190 -1.522 -0.547
H10 -0.367 -0.958 1.137
N11 2.208 -0.714 -0.064
H12 3.141 -0.294 -0.069
H13 2.112 -1.728 -0.143
C14 1.131 0.104 0.042
O15 1.220 1.340 0.116

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10631.10401.10611.51832.16942.19262.52462.91292.65484.92755.83165.05013.82854.1895
H21.10631.78861.78672.16873.09072.54612.77973.31122.44835.11466.00905.21934.05684.4239
H31.10401.78861.78762.17912.51962.55463.48853.90273.69435.82746.67606.03574.63844.7781
H41.10611.78671.78762.17652.53753.11252.79942.75372.96445.14716.11975.06274.25124.8449
C51.51832.16872.17912.17651.10701.10721.51862.18722.15333.68504.50764.00432.48192.7591
H62.16943.09072.51962.53751.10701.76882.15332.45683.06313.92764.68384.25092.83363.0339
H72.19262.54612.55463.11251.10721.76882.11223.04842.55773.85714.51064.40702.51062.2904
C82.52462.77973.48852.79941.51862.15332.11221.10711.11152.41643.36202.57621.51682.4197
H92.91293.31123.90272.75372.18722.45683.04841.10711.78482.57653.58262.34592.17693.2589
H102.65482.44833.69432.96442.15333.06312.55771.11151.78482.85173.76842.89412.13842.9734
N114.92755.11465.82745.14713.68503.92763.85712.41642.57652.85171.02321.02151.35662.2860
H125.83166.00906.67606.11974.50764.68384.51063.36203.58263.76841.02321.76662.05192.5285
H135.05015.21936.03575.06274.00434.25094.40702.57622.34592.89411.02151.76662.08623.2050
C143.82854.05684.63844.25122.48192.83362.51061.51682.17692.13841.35662.05192.08621.2408
O154.18954.42394.77814.84492.75913.03392.29042.41973.25892.97342.28602.52853.20501.2408

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.471 C1 C5 H7 112.310
C1 C5 C8 112.474 H2 C1 H3 108.040
H2 C1 H4 107.723 H2 C1 C5 110.455
H3 C1 H4 107.964 H3 C1 C5 111.424
H4 C1 C5 111.093 C5 C8 H9 111.866
C5 C8 H10 108.937 C5 C8 C14 109.705
H6 C5 H7 106.040 H6 C5 C8 109.196
H7 C5 C8 106.048 C8 C14 N11 114.368
C8 C14 O15 122.363 H9 C8 H10 107.121
H9 C8 C14 111.167 H10 C8 C14 107.909
N11 C14 O15 123.256 H12 N11 H13 119.538
H12 N11 C14 118.467 H13 N11 C14 121.995
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.634      
2 H 0.207      
3 H 0.215      
4 H 0.205      
5 C -0.420      
6 H 0.217      
7 H 0.241      
8 C -0.516      
9 H 0.207      
10 H 0.241      
11 N -0.739      
12 H 0.327      
13 H 0.321      
14 C 0.575      
15 O -0.447      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.037 -3.459 -0.189 3.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.948 -5.618 -0.532
y -5.618 -38.252 -0.037
z -0.532 -0.037 -37.639
Traceless
 xyz
x 6.998 -5.618 -0.532
y -5.618 -3.959 -0.037
z -0.532 -0.037 -3.038
Polar
3z2-r2-6.077
x2-y27.305
xy-5.618
xz-0.532
yz-0.037


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.786 -0.446 -0.106
y -0.446 7.469 0.098
z -0.106 0.098 5.193


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