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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-287.789614
Energy at 298.15K-287.799962
Nuclear repulsion energy238.966448
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 mPW1PW91/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 3753 3596 36.48      
2 A 3609 3458 32.75      
3 A 3145 3014 30.63      
4 A 3141 3010 47.79      
5 A 3118 2988 1.09      
6 A 3086 2957 11.67      
7 A 3082 2953 16.03      
8 A 3053 2926 31.41      
9 A 3041 2914 16.23      
10 A 1830 1754 281.24      
11 A 1604 1537 129.48      
12 A 1487 1425 6.32      
13 A 1477 1415 7.19      
14 A 1469 1407 3.63      
15 A 1447 1386 5.97      
16 A 1428 1369 85.26      
17 A 1405 1347 4.33      
18 A 1357 1301 30.74      
19 A 1321 1265 3.89      
20 A 1254 1202 42.66      
21 A 1241 1190 0.42      
22 A 1148 1100 0.29      
23 A 1108 1061 1.03      
24 A 1097 1051 0.13      
25 A 1069 1024 2.56      
26 A 945 906 2.00      
27 A 888 851 0.66      
28 A 854 818 3.28      
29 A 754 723 8.04      
30 A 638 611 6.69      
31 A 625 599 15.15      
32 A 506 485 7.54      
33 A 433 415 1.54      
34 A 346 331 3.09      
35 A 250 240 0.79      
36 A 228 218 191.54      
37 A 180 173 9.18      
38 A 99 95 0.27      
39 A 29 27 2.23      

Unscaled Zero Point Vibrational Energy (zpe) 28770.4 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 27570.6 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 mPW1PW91/cc-pVDZ
ABC
0.29299 0.06144 0.05238

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.723 -0.231 0.020
H2 2.865 -1.005 -0.751
H3 3.532 0.504 -0.097
H4 2.857 -0.717 1.000
C5 1.357 0.429 -0.093
H6 1.243 1.217 0.665
H7 1.260 0.940 -1.063
C8 0.212 -0.560 0.060
H9 0.295 -1.094 1.024
H10 0.258 -1.340 -0.719
N11 -2.207 -0.760 -0.080
H12 -3.135 -0.372 0.029
H13 -2.086 -1.751 0.064
C14 -1.154 0.104 0.016
O15 -1.308 1.310 0.049

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.10141.09921.10141.52112.16872.16482.53252.76512.80194.95955.85955.04383.89134.3162
H21.10141.77441.77442.18183.09372.54072.80903.12412.62815.12196.08295.07264.23874.8387
H31.09921.77441.77452.17612.51552.50723.48943.77973.80825.87666.72526.05584.70414.9092
H41.10141.77441.77452.18032.54043.09022.81072.58913.17725.17786.07925.13594.21004.7287
C51.52112.18182.17612.18031.09991.10101.52022.16632.17403.75724.56444.07812.53422.8112
H62.16873.09372.51552.54041.09991.75062.14172.52373.06994.04594.70104.50082.72152.6269
H72.16482.54072.50723.09021.10101.75062.14663.06962.51363.98434.71464.43912.77292.8228
C82.53252.80903.48942.81071.52022.14172.14661.10501.10332.43183.35242.58881.51952.4105
H92.76513.12413.77972.58912.16632.52373.06961.10501.76042.75543.64342.65032.13303.0502
H102.80192.62813.80823.17722.17403.06992.51361.10331.76042.61203.60662.50552.14913.1727
N114.95955.12195.87665.17783.75724.04593.98432.43182.75542.61201.01111.00901.36562.2604
H125.85956.08296.72526.07924.56444.70104.71463.35243.64343.60661.01111.73232.03752.4836
H135.04385.07266.05585.13594.07814.50084.43912.58882.65032.50551.00901.73232.07663.1586
C143.89134.23874.70414.21002.53422.72152.77291.51952.13302.14911.36562.03752.07661.2167
O154.31624.83874.90924.72872.81122.62692.82282.41053.05023.17272.26042.48363.15861.2167

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.649 C1 C5 H7 110.268
C1 C5 C8 112.752 H2 C1 H3 107.474
H2 C1 H4 107.319 H2 C1 C5 111.595
H3 C1 H4 107.482 H3 C1 C5 111.271
H4 C1 C5 111.476 C5 C8 H9 110.218
C5 C8 H10 110.930 C5 C8 C14 112.961
H6 C5 H7 105.388 H6 C5 C8 108.594
H7 C5 C8 108.905 C8 C14 N11 114.786
C8 C14 O15 123.138 H9 C8 H10 105.724
H9 C8 C14 107.683 H10 C8 C14 109.019
N11 C14 O15 122.070 H12 N11 H13 118.088
H12 N11 C14 117.249 H13 N11 C14 121.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.073      
2 H 0.038      
3 H 0.041      
4 H 0.038      
5 C -0.093      
6 H 0.053      
7 H 0.046      
8 C -0.101      
9 H 0.059      
10 H 0.050      
11 N -0.128      
12 H 0.111      
13 H 0.103      
14 C 0.135      
15 O -0.279      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.392 -3.436 0.326 3.473
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.477 5.964 -0.872
y 5.964 -38.452 -0.562
z -0.872 -0.562 -37.400
Traceless
 xyz
x 5.449 5.964 -0.872
y 5.964 -3.514 -0.562
z -0.872 -0.562 -1.936
Polar
3z2-r2-3.871
x2-y25.975
xy5.964
xz-0.872
yz-0.562


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 216.795
(<r2>)1/2 14.724