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 C(NH2)H2CH2CH2CH3 (1-Butanamine)

using model chemistry: B1B95/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/CEP-121G*
 hartrees
Energy at 0K-39.064028
Energy at 298.15K-39.076566
Nuclear repulsion energy108.328354
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/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' 3521 3521 1.64      
2 A' 3137 3137 44.85      
3 A' 3053 3053 92.94      
4 A' 3048 3048 35.34      
5 A' 3046 3046 8.75      
6 A' 3029 3029 18.04      
7 A' 1705 1705 34.01      
8 A' 1518 1518 7.56      
9 A' 1507 1507 0.79      
10 A' 1496 1496 0.58      
11 A' 1488 1488 0.39      
12 A' 1417 1417 3.95      
13 A' 1410 1410 10.31      
14 A' 1373 1373 5.57      
15 A' 1277 1277 3.53      
16 A' 1147 1147 5.59      
17 A' 1111 1111 16.45      
18 A' 1078 1078 4.09      
19 A' 1029 1029 24.58      
20 A' 918 918 70.84      
21 A' 877 877 141.93      
22 A' 415 415 6.31      
23 A' 380 380 0.80      
24 A' 169 169 2.86      
25 A" 3610 3610 0.20      
26 A" 3133 3133 71.45      
27 A" 3105 3105 77.85      
28 A" 3089 3089 1.15      
29 A" 3066 3066 2.10      
30 A" 1507 1507 8.39      
31 A" 1393 1393 1.27      
32 A" 1325 1325 0.38      
33 A" 1302 1302 0.05      
34 A" 1220 1220 0.00      
35 A" 1044 1044 0.59      
36 A" 912 912 0.01      
37 A" 775 775 0.51      
38 A" 725 725 3.52      
39 A" 281 281 55.44      
40 A" 241 241 0.25      
41 A" 119 119 0.28      
42 A" 105 105 3.66      

Unscaled Zero Point Vibrational Energy (zpe) 33048.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 33048.3 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/CEP-121G*
ABC
0.59646 0.06439 0.06132

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 2.546 0.409 0.000
C2 1.340 -0.422 0.000
C3 0.000 0.331 0.000
C4 -1.217 -0.602 0.000
C5 -2.550 0.153 0.000
H6 2.538 1.019 0.813
H7 2.538 1.019 -0.813
H8 1.385 -1.083 0.876
H9 1.385 -1.083 -0.876
H10 -0.042 0.990 -0.879
H11 -0.042 0.990 0.879
H12 -1.168 -1.261 0.877
H13 -1.168 -1.261 -0.877
H14 -3.402 -0.536 0.000
H15 -2.641 0.795 0.884
H16 -2.641 0.795 -0.884

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.46502.54723.89635.10271.01631.01632.08342.08342.79412.79414.16554.16556.02265.27625.2762
C21.46501.53682.56293.93232.04322.04321.09801.09802.16242.16242.78592.78594.74324.25574.2557
C32.54721.53681.53302.55642.75252.75252.16442.16441.09991.09992.16012.16013.51062.82372.8237
C43.89632.56291.53301.53214.16984.16982.78752.78752.16512.16511.09831.09832.18622.18172.1817
C55.10273.93232.55641.53215.22515.22514.21704.21702.78692.78692.16302.16301.09521.09601.0960
H61.01632.04322.75254.16985.22511.62552.39852.93253.08532.58074.35164.66786.19375.18475.4548
H71.01632.04322.75254.16985.22511.62552.93252.39852.58073.08534.66784.35166.19375.45485.1847
H82.08341.09802.16442.78754.21702.39852.93251.75143.06822.51672.55953.10224.89754.44304.7787
H92.08341.09802.16442.78754.21702.93252.39851.75142.51673.06823.10222.55954.89754.77874.4430
H102.79412.16241.09992.16512.78693.08532.58073.06822.51671.75893.06912.51663.79373.14732.6070
H112.79412.16241.09992.16512.78692.58073.08532.51673.06821.75892.51663.06913.79372.60703.1473
H124.16552.78592.16011.09832.16304.35164.66782.55953.10223.06912.51661.75452.50732.52883.0816
H134.16552.78592.16011.09832.16304.66784.35163.10222.55952.51663.06911.75452.50733.08162.5288
H146.02264.74323.51062.18621.09526.19376.19374.89754.89753.79373.79372.50732.50731.76891.7689
H155.27624.25572.82372.18171.09605.18475.45484.44304.77873.14732.60702.52883.08161.76891.7676
H165.27624.25572.82372.18171.09605.45485.18474.77874.44302.60703.14733.08162.52881.76891.7676

picture of 1-Butanamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 116.088 N1 C2 H8 107.901
N1 C2 H9 107.901 C2 N1 H6 109.527
C2 N1 H7 109.527 C2 C3 C4 113.207
C2 C3 H10 109.067 C2 C3 H11 109.067
C3 C2 H8 109.332 C3 C2 H9 109.332
C3 C4 C5 113.035 C3 C4 H12 109.241
C3 C4 H13 109.241 C4 C3 H10 109.539
C4 C3 H11 109.539 C4 C5 H14 111.548
C4 C5 H15 111.144 C4 C5 H16 111.144
C5 C4 H12 109.528 C5 C4 H13 109.528
H6 N1 H7 106.200 H8 C2 H9 105.791
H10 C3 H11 106.178 H12 C4 H13 106.025
H14 C5 H15 107.660 H14 C5 H16 107.660
H15 C5 H16 107.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.627      
2 C -0.301      
3 C -0.336      
4 C -0.293      
5 C -0.563      
6 H 0.304      
7 H 0.304      
8 H 0.172      
9 H 0.172      
10 H 0.152      
11 H 0.152      
12 H 0.167      
13 H 0.167      
14 H 0.186      
15 H 0.172      
16 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.182 0.895 0.000 1.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.343 3.330 0.000
y 3.330 -32.842 0.000
z 0.000 0.000 -31.878
Traceless
 xyz
x -8.983 3.330 0.000
y 3.330 3.768 0.000
z 0.000 0.000 5.215
Polar
3z2-r210.430
x2-y2-8.501
xy3.330
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.331 0.256 0.000
y 0.256 7.873 0.000
z 0.000 0.000 7.588


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000