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All results from a given calculation for C4H9NO (Butanamide)

using model chemistry: B1B95/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 B1B95/cc-pVTZ
 hartrees
Energy at 0K-287.807704
Energy at 298.15K-287.817941
Nuclear repulsion energy240.285108
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 B1B95/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 3772 3610 37.13      
2 A 3632 3476 36.66      
3 A 3130 2996 42.86      
4 A 3128 2994 38.47      
5 A 3103 2970 4.98      
6 A 3079 2947 14.47      
7 A 3072 2940 19.11      
8 A 3048 2917 28.90      
9 A 3040 2910 14.59      
10 A 1808 1731 303.60      
11 A 1618 1549 126.67      
12 A 1509 1444 7.18      
13 A 1499 1435 7.41      
14 A 1492 1428 2.72      
15 A 1462 1399 8.08      
16 A 1423 1362 83.49      
17 A 1411 1351 2.02      
18 A 1363 1305 44.44      
19 A 1328 1271 7.89      
20 A 1261 1207 48.56      
21 A 1249 1196 1.22      
22 A 1144 1095 0.31      
23 A 1116 1068 1.12      
24 A 1087 1040 0.53      
25 A 1062 1017 2.67      
26 A 940 900 2.35      
27 A 886 848 0.52      
28 A 849 813 2.82      
29 A 748 715 6.15      
30 A 653 625 4.19      
31 A 615 588 11.63      
32 A 514 492 3.87      
33 A 423 404 1.94      
34 A 340 325 3.06      
35 A 247 236 0.10      
36 A 180 172 9.01      
37 A 165 158 179.64      
38 A 95 91 0.72      
39 A 25 24 2.39      

Unscaled Zero Point Vibrational Energy (zpe) 28757.8 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 27524.1 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 B1B95/cc-pVTZ
ABC
0.29482 0.06203 0.05306

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.710 -0.221 0.027
H2 -2.842 -0.560 1.055
H3 -3.507 0.486 -0.192
H4 -2.847 -1.084 -0.623
C5 -1.345 0.412 -0.170
H6 -1.243 0.775 -1.192
H7 -1.229 1.286 0.467
C8 -0.213 -0.551 0.128
H9 -0.253 -1.417 -0.536
H10 -0.314 -0.943 1.143
N11 2.189 -0.757 -0.093
H12 3.120 -0.385 -0.095
H13 2.060 -1.749 -0.099
C14 1.148 0.104 0.032
O15 1.307 1.304 0.077

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 N11 H12 H13 C14 O15
C11.08981.08801.08981.51692.15162.15752.52022.79032.74014.92975.83325.01013.87144.2967
H21.08981.75771.75772.16453.06392.52092.78763.15762.55895.16446.07445.17454.17244.6526
H31.08801.75771.75732.16362.49212.50263.46823.78593.74485.83146.68495.99984.67644.8908
H41.08981.75771.75732.16762.52043.06962.79022.61723.09175.07456.03074.97944.21924.8425
C51.51692.16452.16362.16761.08971.08781.51542.16112.15033.72334.53614.03322.52022.8092
H62.15163.06392.49212.52041.08971.73612.13592.49313.04483.91644.64624.29842.76922.8976
H72.15752.52092.50263.06961.08781.73612.12633.04362.50274.02164.69294.51092.69022.5662
C82.52022.78763.46822.79021.51542.13592.12631.09161.09322.42133.34462.57941.51372.3988
H92.79033.15763.78592.61722.16112.49313.04361.09161.74612.56763.55382.37672.14403.1952
H102.74012.55893.74483.09172.15033.04482.50271.09321.74612.79783.69252.79782.11372.9685
N114.92975.16445.83145.07453.72333.91644.02162.42132.56762.79781.00220.99991.35702.2482
H125.83326.07446.68496.03074.53614.64624.69293.34463.55383.69251.00221.72682.03562.4837
H135.01015.17455.99984.97944.03324.29844.51092.57942.37672.79780.99991.72682.06923.1489
C143.87144.17244.67644.21922.52022.76922.69021.51372.14402.11371.35702.03562.06921.2110
O154.29674.65264.89084.84252.80922.89762.56622.39883.19522.96852.24822.48373.14891.2110

picture of Butanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.190 C1 C5 H7 110.771
C1 C5 C8 112.426 H2 C1 H3 107.630
H2 C1 H4 107.494 H2 C1 C5 111.215
H3 C1 H4 107.591 H3 C1 C5 111.251
H4 C1 C5 111.463 C5 C8 H9 110.939
C5 C8 H10 109.979 C5 C8 C14 112.603
H6 C5 H7 105.744 H6 C5 C8 109.053
H7 C5 C8 108.415 C8 C14 N11 114.906
C8 C14 O15 122.991 H9 C8 H10 106.106
H9 C8 C14 109.697 H10 C8 C14 107.246
N11 C14 O15 122.099 H12 N11 H13 119.196
H12 N11 C14 118.506 H13 N11 C14 122.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 H 0.109      
3 H 0.123      
4 H 0.107      
5 C -0.210      
6 H 0.124      
7 H 0.136      
8 C -0.264      
9 H 0.115      
10 H 0.135      
11 N -0.262      
12 H 0.174      
13 H 0.174      
14 C 0.240      
15 O -0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.311 -3.550 -0.059 3.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.836 -6.208 -0.240
y -6.208 -38.967 -0.088
z -0.240 -0.088 -37.724
Traceless
 xyz
x 5.510 -6.208 -0.240
y -6.208 -3.688 -0.088
z -0.240 -0.088 -1.822
Polar
3z2-r2-3.644
x2-y26.132
xy-6.208
xz-0.240
yz-0.088


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.367 -0.316 -0.115
y -0.316 8.804 0.011
z -0.115 0.011 6.749


<r2> (average value of r2) Å2
<r2> 214.863
(<r2>)1/2 14.658