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: HF/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 HF/CEP-121G
 hartrees
Energy at 0K-37.948673
Energy at 298.15K-37.961463
Nuclear repulsion energy108.090541
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' 3730 3403 0.85      
2 A' 3220 2939 85.78      
3 A' 3166 2889 82.96      
4 A' 3140 2866 10.87      
5 A' 3131 2857 118.06      
6 A' 3125 2852 18.71      
7 A' 1840 1679 41.74      
8 A' 1653 1508 6.97      
9 A' 1641 1497 0.73      
10 A' 1634 1491 1.04      
11 A' 1630 1488 0.31      
12 A' 1552 1416 2.60      
13 A' 1531 1397 11.01      
14 A' 1505 1373 3.34      
15 A' 1412 1289 2.77      
16 A' 1226 1119 7.95      
17 A' 1178 1075 34.18      
18 A' 1141 1041 0.87      
19 A' 1071 977 10.08      
20 A' 972 887 7.39      
21 A' 717 654 346.04      
22 A' 452 413 11.80      
23 A' 414 378 0.46      
24 A' 194 177 2.46      
25 A" 3855 3518 0.21      
26 A" 3227 2944 230.13      
27 A" 3217 2936 2.25      
28 A" 3181 2903 19.69      
29 A" 3159 2883 1.99      
30 A" 1637 1493 7.44      
31 A" 1487 1356 0.03      
32 A" 1433 1308 0.14      
33 A" 1412 1288 0.39      
34 A" 1341 1224 0.09      
35 A" 1114 1017 0.00      
36 A" 993 906 0.15      
37 A" 853 778 0.31      
38 A" 794 724 2.15      
39 A" 250 228 7.37      
40 A" 245 224 47.19      
41 A" 119 109 0.02      
42 A" 108 98 3.43      

Unscaled Zero Point Vibrational Energy (zpe) 34848.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 31799.5 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
0.59885 0.06360 0.06062

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 2.547 0.395 0.000
C2 1.337 -0.440 0.000
C3 0.000 0.335 0.000
C4 -1.234 -0.591 0.000
C5 -2.568 0.182 0.000
H6 2.692 0.933 0.829
H7 2.692 0.933 -0.829
H8 1.381 -1.089 0.871
H9 1.381 -1.089 -0.871
H10 -0.034 0.987 -0.874
H11 -0.034 0.987 0.874
H12 -1.195 -1.243 0.873
H13 -1.195 -1.243 -0.873
H14 -3.417 -0.498 0.000
H15 -2.651 0.818 0.879
H16 -2.651 0.818 -0.879

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.47002.54743.90735.11950.99940.99942.07822.07822.78782.78784.17674.17676.03025.28865.2886
C21.47001.54532.57533.95442.10002.10001.08691.08692.16262.16262.79582.79584.75414.27304.2730
C32.54741.54531.54312.57302.87942.87942.16622.16621.09061.09062.16332.16333.51712.83452.8345
C43.90732.57531.54311.54214.29244.29242.80062.80062.16672.16671.08971.08972.18492.18322.1832
C55.11953.95442.57301.54215.37795.37794.23894.23892.79942.79942.16252.16251.08741.08801.0880
H60.99942.10002.87944.29245.37791.65862.41032.94943.21432.72624.45494.76876.32885.34445.6106
H70.99942.10002.87944.29245.37791.65862.94942.41032.72623.21434.76874.45496.32885.61065.3444
H82.07821.08692.16622.80064.23892.41032.94941.74183.05812.51142.58053.11434.91184.46004.7910
H92.07821.08692.16622.80064.23892.94942.41031.74182.51143.05813.11432.58054.91184.79104.4600
H102.78782.16261.09062.16672.79943.21432.72623.05812.51141.74813.06102.51383.79683.15492.6231
H112.78782.16261.09062.16672.79942.72623.21432.51143.05811.74812.51383.06103.79682.62313.1549
H124.17672.79582.16331.08972.16254.45494.76872.58053.11433.06102.51381.74512.50052.52313.0715
H134.17672.79582.16331.08972.16254.76874.45493.11432.58052.51383.06101.74512.50053.07152.5231
H146.03024.75413.51712.18491.08746.32886.32884.91184.91183.79683.79682.50052.50051.75791.7579
H155.28864.27302.83452.18321.08805.34445.61064.46004.79103.15492.62312.52313.07151.75791.7578
H165.28864.27302.83452.18321.08805.61065.34444.79104.46002.62313.15493.07152.52311.75791.7578

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 115.285 N1 C2 H8 107.800
N1 C2 H9 107.800 C2 N1 H6 115.181
C2 N1 H7 115.181 C2 C3 C4 112.992
C2 C3 H10 109.042 C2 C3 H11 109.042
C3 C2 H8 109.538 C3 C2 H9 109.538
C3 C4 C5 113.014 C3 C4 H12 109.296
C3 C4 H13 109.296 C4 C3 H10 109.509
C4 C3 H11 109.509 C4 C5 H14 111.214
C4 C5 H15 111.034 C4 C5 H16 111.034
C5 C4 H12 109.306 C5 C4 H13 109.306
H6 N1 H7 112.152 H8 C2 H9 106.509
H10 C3 H11 106.540 H12 C4 H13 106.407
H14 C5 H15 107.821 H14 C5 H16 107.821
H15 C5 H16 107.760
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 -0.685      
2 C -0.145      
3 C -0.196      
4 C -0.203      
5 C -0.456      
6 H 0.277      
7 H 0.277      
8 H 0.134      
9 H 0.134      
10 H 0.103      
11 H 0.103      
12 H 0.119      
13 H 0.119      
14 H 0.145      
15 H 0.137      
16 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.062 0.862 0.000 1.368
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.949 3.696 0.000
y 3.696 -33.673 0.000
z 0.000 0.000 -32.159
Traceless
 xyz
x -8.033 3.696 0.000
y 3.696 2.881 0.000
z 0.000 0.000 5.152
Polar
3z2-r210.305
x2-y2-7.276
xy3.696
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.401 0.263 0.000
y 0.263 7.252 0.000
z 0.000 0.000 7.203


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