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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: HF/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-286.157470
Energy at 298.15K-286.168061
Nuclear repulsion energy240.503879
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/cc-pVTZ
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 3959 3603 48.26      
2 A 3823 3479 51.75      
3 A 3230 2939 73.62      
4 A 3216 2927 61.07      
5 A 3191 2904 17.14      
6 A 3184 2898 11.20      
7 A 3176 2891 16.15      
8 A 3152 2869 35.51      
9 A 3146 2863 22.76      
10 A 1940 1766 393.78      
11 A 1769 1610 123.50      
12 A 1628 1481 6.08      
13 A 1616 1471 6.04      
14 A 1609 1464 1.73      
15 A 1589 1446 6.69      
16 A 1558 1418 63.27      
17 A 1538 1400 5.42      
18 A 1469 1337 54.69      
19 A 1438 1309 1.16      
20 A 1364 1241 120.90      
21 A 1361 1239 0.63      
22 A 1228 1118 1.11      
23 A 1221 1111 1.29      
24 A 1165 1060 6.71      
25 A 1111 1011 2.28      
26 A 990 901 2.83      
27 A 962 875 1.83      
28 A 906 825 1.03      
29 A 810 737 6.73      
30 A 673 612 9.48      
31 A 669 609 19.37      
32 A 539 490 3.82      
33 A 465 423 2.45      
34 A 367 334 3.79      
35 A 262 238 0.02      
36 A 194 176 9.68      
37 A 179 163 224.49      
38 A 106 97 1.27      
39 A 25 23 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 30412.1 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 27678.0 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/cc-pVTZ
ABC
0.30002 0.06153 0.05255

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.722 -0.243 0.004
H2 -2.852 -0.792 0.931
H3 -3.525 0.482 -0.063
H4 -2.842 -0.945 -0.814
C5 -1.363 0.446 -0.048
H6 -1.271 1.014 -0.965
H7 -1.278 1.163 0.759
C8 -0.211 -0.545 0.044
H9 -0.265 -1.269 -0.765
H10 -0.277 -1.117 0.966
N11 2.198 -0.759 -0.053
H12 3.117 -0.393 0.017
H13 2.068 -1.735 0.042
C14 1.157 0.108 0.008
O15 1.321 1.289 0.026

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.08531.08341.08531.52482.15102.15202.52952.77182.76924.94815.84075.01753.89544.3240
H21.08531.75081.75242.17003.05942.51592.79673.12992.59545.14546.05125.08784.21134.7503
H31.08341.75081.75082.16252.48592.48773.47093.76623.76365.85656.69946.01724.69794.9139
H41.08531.75241.75082.17072.51613.06032.79622.59823.12765.10146.04195.04674.21704.7993
C51.52482.17002.16252.17071.08321.08241.52232.15882.15633.75984.55784.06642.54352.8144
H62.15103.05942.48592.51611.08321.73062.13832.50253.04294.00154.71094.44032.76862.7888
H72.15202.51592.48773.06031.08241.73062.13733.04322.49854.05484.72064.48432.75842.7035
C82.52952.79673.47092.79621.52232.13832.13731.08621.08732.42113.33132.57101.51682.3903
H92.77183.12993.76622.59822.15882.50253.04321.08621.73802.61423.57942.51202.12483.1118
H102.76922.59543.76363.12762.15633.04292.49851.08731.73802.70093.59742.59562.11523.0373
N114.94815.14545.85655.10143.75984.00154.05482.42112.61422.70090.99090.98861.35612.2297
H125.84076.05126.69946.04194.55784.71094.72063.33133.57943.59740.99091.70292.02212.4601
H135.01755.08786.01725.04674.06644.44034.48432.57102.51202.59560.98861.70292.05543.1146
C143.89544.21134.69794.21702.54352.76862.75841.51682.12482.11521.35612.02212.05541.1929
O154.32404.75034.91394.79932.81442.78882.70352.39033.11183.03732.22972.46013.11461.1929

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.976 C1 C5 H7 110.101
C1 C5 C8 112.223 H2 C1 H3 107.663
H2 C1 H4 107.664 H2 C1 C5 111.364
H3 C1 H4 107.665 H3 C1 C5 110.883
H4 C1 C5 111.421 C5 C8 H9 110.587
C5 C8 H10 110.326 C5 C8 C14 113.635
H6 C5 H7 106.095 H6 C5 C8 109.138
H7 C5 C8 109.114 C8 C14 N11 114.745
C8 C14 O15 123.361 H9 C8 H10 106.189
H9 C8 C14 108.291 H10 C8 C14 107.492
N11 C14 O15 121.893 H12 N11 H13 118.693
H12 N11 C14 118.147 H13 N11 C14 121.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.301 -0.217 0.170 -0.344
2 H 0.086 0.045 -0.067 0.078
3 H 0.109 0.044 -0.053 0.078
4 H 0.086 0.038 -0.068 0.072
5 C -0.159 0.293 0.184 0.308
6 H 0.107 -0.045 -0.046 -0.034
7 H 0.112 -0.046 -0.039 -0.035
8 C -0.226 -0.266 0.112 -0.314
9 H 0.109 0.067 -0.048 0.088
10 H 0.110 0.048 -0.046 0.071
11 N -0.326 -1.047 -1.447 -1.053
12 H 0.187 0.435 0.458 0.444
13 H 0.188 0.401 0.441 0.405
14 C 0.329 0.912 1.834 0.880
15 O -0.412 -0.661 -1.401 -0.644


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.036 -3.723 0.239 3.731
CHELPG        
AIM 1.183 1.100 -0.057 1.616
ESP 0.011 -3.745 0.272 3.755


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.721 -6.383 0.640
y -6.383 -39.624 -0.397
z 0.640 -0.397 -37.858
Traceless
 xyz
x 5.020 -6.383 0.640
y -6.383 -3.835 -0.397
z 0.640 -0.397 -1.186
Polar
3z2-r2-2.371
x2-y25.903
xy-6.383
xz0.640
yz-0.397


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.291 -0.200 -0.019
y -0.200 8.234 0.001
z -0.019 0.001 6.430


<r2> (average value of r2) Å2
<r2> 216.384
(<r2>)1/2 14.710