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 CH3C(NH2)HCH2CH3 (2-Butanamine)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-213.818312
Energy at 298.15K-213.831095
HF Energy-213.818312
Nuclear repulsion energy194.599928
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 wB97X-D/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 3615 3455 0.25      
2 A 3536 3380 0.47      
3 A 3133 2995 37.36      
4 A 3125 2988 35.85      
5 A 3119 2982 32.31      
6 A 3116 2979 44.47      
7 A 3087 2951 7.76      
8 A 3050 2916 41.04      
9 A 3047 2913 12.50      
10 A 3044 2910 31.64      
11 A 2949 2819 68.75      
12 A 1661 1588 41.48      
13 A 1524 1457 7.91      
14 A 1511 1444 10.70      
15 A 1509 1443 0.25      
16 A 1495 1430 3.69      
17 A 1482 1417 1.57      
18 A 1436 1373 5.74      
19 A 1419 1357 10.02      
20 A 1415 1352 7.90      
21 A 1386 1325 12.25      
22 A 1347 1288 1.50      
23 A 1310 1252 1.66      
24 A 1269 1213 1.31      
25 A 1208 1155 2.39      
26 A 1175 1123 9.32      
27 A 1076 1028 1.75      
28 A 1039 993 4.11      
29 A 1023 978 3.96      
30 A 1001 956 3.27      
31 A 951 909 7.79      
32 A 868 830 101.16      
33 A 824 788 12.91      
34 A 778 743 2.18      
35 A 487 466 6.68      
36 A 459 439 5.67      
37 A 381 364 1.21      
38 A 294 281 20.38      
39 A 261 250 7.59      
40 A 242 231 8.77      
41 A 226 216 10.00      
42 A 116 111 2.09      

Unscaled Zero Point Vibrational Energy (zpe) 32994.6 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 31542.8 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 wB97X-D/cc-pVTZ
ABC
0.26285 0.11490 0.08810

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.571 1.378 -0.235
H2 -0.203 1.943 0.090
H3 1.408 1.836 0.103
C4 1.768 -0.722 -0.009
H5 1.904 -0.766 -1.091
H6 2.639 -0.225 0.422
H7 1.739 -1.740 0.382
C8 0.486 0.025 0.325
H9 0.379 0.045 1.420
C10 -0.733 -0.702 -0.241
H11 -0.614 -0.776 -1.325
H12 -0.734 -1.721 0.153
C13 -2.066 -0.039 0.088
H14 -2.901 -0.650 -0.254
H15 -2.160 0.933 -0.397
H16 -2.179 0.104 1.165

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.01221.01272.42822.66532.69753.38611.46642.13402.45442.68883.38443.01044.02032.77163.3386
H21.01221.61533.31693.62943.58974.17402.05142.38972.71773.09283.70292.72003.75772.25572.9058
H31.01271.61532.58582.90452.42093.60162.04432.45013.33813.59854.15233.94784.98763.71484.1233
C42.42823.31692.58581.09081.09171.09031.52162.13602.51212.72202.69873.89554.67594.28054.2004
H52.66533.62942.90451.09081.76661.77312.15423.04762.77142.52913.06874.20424.87844.45924.7452
H62.69753.58972.42091.09171.76661.76272.16982.48513.46953.73333.69944.71995.59695.00414.8861
H73.38614.17403.60161.09031.77311.76272.16562.47282.75283.06262.48364.17794.80844.79114.4007
C81.46642.05142.04431.52162.15422.16982.16561.10101.52772.13832.13662.56313.50132.88882.7954
H92.13402.38972.45012.13603.04762.48512.47281.10102.13433.03262.44202.78553.74763.24632.5718
C102.45442.71773.33812.51212.77143.46952.75281.52772.13431.09271.09281.52402.16832.17542.1718
H112.68883.09283.59852.72202.52913.73333.06262.13833.03261.09271.75822.15532.52792.48423.0695
H123.38443.70294.15232.69873.06873.69942.48362.13662.44201.09281.75822.14622.45123.06272.5382
C133.01042.72003.94783.89554.20424.71994.17792.56312.78551.52402.15532.14621.08981.09041.0923
H144.02033.75774.98764.67594.87845.59694.80843.50133.74762.16832.52792.45121.08981.75341.7613
H152.77162.25573.71484.28054.45925.00414.79112.88883.24632.17542.48423.06271.09041.75341.7684
H163.33862.90584.12334.20044.74524.88614.40072.79542.57182.17183.06952.53821.09231.76131.7684

picture of 2-Butanamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C8 C4 108.696 N1 C8 H9 111.646
N1 C8 C10 110.098 H2 N1 H3 105.823
H2 N1 C8 110.375 H3 N1 C8 109.741
C4 C8 H9 107.994 C4 C8 C10 110.941
H5 C4 H6 108.080 H5 C4 H7 108.772
H5 C4 C8 109.999 H6 C4 H7 107.770
H6 C4 C8 111.187 H7 C4 C8 110.938
C8 C10 H11 108.231 C8 C10 H12 108.096
C8 C10 C13 114.253 H9 C8 C10 107.456
C10 C13 H14 111.013 C10 C13 H15 111.549
C10 C13 H16 111.142 H11 C10 H12 107.114
H11 C10 C13 109.807 H12 C10 C13 109.090
H14 C13 H15 107.077 H14 C13 H16 107.641
H15 C13 H16 108.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.320      
2 H 0.126      
3 H 0.121      
4 C -0.287      
5 H 0.096      
6 H 0.085      
7 H 0.086      
8 C 0.011      
9 H 0.086      
10 C -0.150      
11 H 0.092      
12 H 0.087      
13 C -0.304      
14 H 0.097      
15 H 0.089      
16 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.003 0.133 1.170 1.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.188 0.459 0.968
y 0.459 -32.436 1.891
z 0.968 1.891 -35.528
Traceless
 xyz
x 0.795 0.459 0.968
y 0.459 1.922 1.891
z 0.968 1.891 -2.717
Polar
3z2-r2-5.433
x2-y2-0.752
xy0.459
xz0.968
yz1.891


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.637 -0.075 -0.005
y -0.075 8.556 0.032
z -0.005 0.032 7.684


<r2> (average value of r2) Å2
<r2> 149.905
(<r2>)1/2 12.244