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All results from a given calculation for CH3C(NH2)HCH2CH3 (2-Butanamine)

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-38.044690
Energy at 298.15K-38.057700
Nuclear repulsion energy112.950569
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/CEP-121G*
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 3799 3432 0.30      
2 A 3722 3362 0.92      
3 A 3259 2944 104.35      
4 A 3248 2934 71.39      
5 A 3239 2926 90.88      
6 A 3236 2923 51.32      
7 A 3217 2906 5.27      
8 A 3183 2876 27.57      
9 A 3173 2866 57.16      
10 A 3171 2865 47.49      
11 A 3102 2802 87.83      
12 A 1844 1666 55.18      
13 A 1642 1483 6.02      
14 A 1630 1473 4.57      
15 A 1630 1472 1.92      
16 A 1623 1466 1.96      
17 A 1613 1457 0.12      
18 A 1570 1418 3.48      
19 A 1547 1397 5.84      
20 A 1539 1390 6.95      
21 A 1508 1362 15.97      
22 A 1453 1312 6.44      
23 A 1407 1271 1.77      
24 A 1359 1228 0.79      
25 A 1288 1163 2.41      
26 A 1265 1143 23.06      
27 A 1137 1027 4.00      
28 A 1096 990 3.33      
29 A 1090 985 3.74      
30 A 1056 954 5.16      
31 A 999 902 20.37      
32 A 975 880 113.18      
33 A 866 783 3.89      
34 A 822 742 0.39      
35 A 507 458 7.18      
36 A 478 432 5.99      
37 A 397 358 0.53      
38 A 314 284 41.55      
39 A 275 248 0.45      
40 A 244 220 0.53      
41 A 236 213 19.91      
42 A 114 103 1.61      

Unscaled Zero Point Vibrational Energy (zpe) 34933.8 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 31559.2 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/CEP-121G*
ABC
0.26039 0.11280 0.08664

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.578 1.380 -0.257
H2 -0.189 1.949 0.049
H3 1.413 1.836 0.063
C4 1.784 -0.726 -0.001
H5 1.925 -0.796 -1.076
H6 2.650 -0.217 0.420
H7 1.760 -1.731 0.412
C8 0.489 0.030 0.322
H9 0.384 0.069 1.412
C10 -0.734 -0.709 -0.245
H11 -0.624 -0.784 -1.325
H12 -0.730 -1.724 0.150
C13 -2.084 -0.053 0.089
H14 -2.907 -0.673 -0.258
H15 -2.191 0.918 -0.389
H16 -2.204 0.083 1.163

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.00301.00402.43992.68732.70203.39461.47112.13132.46632.69603.39293.04244.04462.80983.3817
H21.00301.60633.32413.64333.59034.18042.05342.39222.72883.09003.71422.75643.78882.29352.9634
H31.00401.60632.58942.91362.42333.60122.04492.45023.34363.59754.15663.97445.00613.74614.1673
C42.43993.32412.58941.08691.08911.08741.53352.14192.52942.74822.70933.92674.69824.31834.2321
H52.68733.64332.91361.08691.76011.76572.16813.05222.78752.56133.06884.24074.90294.51124.7790
H62.70203.59032.42331.08911.76011.75662.17702.49043.48333.75273.71104.74825.61685.03714.9197
H73.39464.18043.60121.08741.76571.75662.17382.47642.77413.09772.50404.20664.83214.82344.4234
C81.47112.05342.04491.53352.16812.17702.17381.09581.53732.14832.14372.58503.51652.91122.8220
H92.13132.39222.45022.14193.05222.49042.47641.09582.14453.03882.45952.80273.76413.25472.5999
C102.46632.72883.34362.52942.78753.48332.77411.53732.14451.08831.08951.53752.17362.18832.1840
H112.69603.09003.59752.74822.56133.75273.09772.14833.03881.08831.75192.16002.52292.49573.0722
H123.39293.71424.15662.70933.06883.71102.50402.14372.45951.08951.75192.15162.45153.06642.5424
C133.04242.75643.97443.92674.24074.74824.20662.58502.80271.53752.16002.15161.08741.08711.0893
H144.04463.78885.00614.69824.90295.61684.83213.51653.76412.17362.52292.45151.08741.74961.7560
H152.80982.29353.74614.31834.51125.03714.82342.91123.25472.18832.49573.06641.08711.74961.7623
H163.38172.96344.16734.23214.77904.91974.42342.82202.59992.18403.07222.54241.08931.75601.7623

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 108.575 N1 C8 H9 111.419
N1 C8 C10 110.105 H2 N1 H3 106.327
H2 N1 C8 110.764 H3 N1 C8 109.976
C4 C8 H9 107.939 C4 C8 C10 110.912
H5 C4 H6 107.976 H5 C4 H7 108.606
H5 C4 C8 110.505 H6 C4 H7 107.625
H6 C4 C8 111.083 H7 C4 C8 110.931
C8 C10 H11 108.599 C8 C10 H12 108.177
C8 C10 C13 114.422 H9 C8 C10 107.881
C10 C13 H14 110.631 C10 C13 H15 111.823
C10 C13 H16 111.348 H11 C10 H12 107.113
H11 C10 C13 109.503 H12 C10 C13 108.777
H14 C13 H15 107.142 H14 C13 H16 107.559
H15 C13 H16 108.140
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.805      
2 H 0.327      
3 H 0.323      
4 C -0.551      
5 H 0.168      
6 H 0.157      
7 H 0.158      
8 C 0.130      
9 H 0.121      
10 C -0.259      
11 H 0.151      
12 H 0.142      
13 C -0.544      
14 H 0.173      
15 H 0.159      
16 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.008 0.121 1.393 1.398
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.533 0.464 1.162
y 0.464 -32.550 2.244
z 1.162 2.244 -36.036
Traceless
 xyz
x 0.760 0.464 1.162
y 0.464 2.235 2.244
z 1.162 2.244 -2.995
Polar
3z2-r2-5.990
x2-y2-0.983
xy0.464
xz1.162
yz2.244


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.574 -0.016 0.021
y -0.016 7.722 -0.038
z 0.021 -0.038 7.038


<r2> (average value of r2) Å2
<r2> 128.436
(<r2>)1/2 11.333