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: QCISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-211.677563
Energy at 298.15K-211.690245
Nuclear repulsion energy182.909995
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 QCISD/3-21G
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' 3356 3252 4.85      
2 A' 3086 2991 35.03      
3 A' 3029 2936 50.78      
4 A' 3020 2927 22.90      
5 A' 3018 2925 12.65      
6 A' 3002 2910 9.86      
7 A' 1747 1693 16.51      
8 A' 1583 1534 4.89      
9 A' 1573 1525 1.06      
10 A' 1563 1515 0.19      
11 A' 1556 1508 0.55      
12 A' 1474 1429 3.26      
13 A' 1416 1372 1.97      
14 A' 1410 1367 1.99      
15 A' 1333 1292 1.21      
16 A' 1155 1119 6.63      
17 A' 1073 1040 14.58      
18 A' 1031 999 3.92      
19 A' 980 950 34.19      
20 A' 900 873 1.48      
21 A' 815 790 213.72      
22 A' 425 412 5.53      
23 A' 392 380 0.23      
24 A' 180 175 2.51      
25 A" 3447 3341 4.62      
26 A" 3088 2993 76.05      
27 A" 3074 2980 25.83      
28 A" 3052 2958 3.00      
29 A" 3031 2938 1.29      
30 A" 1578 1530 6.41      
31 A" 1418 1375 1.97      
32 A" 1374 1332 0.20      
33 A" 1353 1312 0.00      
34 A" 1278 1238 0.02      
35 A" 1086 1053 0.71      
36 A" 954 925 0.00      
37 A" 806 782 0.98      
38 A" 746 723 3.49      
39 A" 309 299 62.02      
40 A" 252 244 0.04      
41 A" 125 121 0.77      
42 A" 111 108 2.71      

Unscaled Zero Point Vibrational Energy (zpe) 33098.9 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 32079.5 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 QCISD/3-21G
ABC
0.57836 0.06299 0.05995

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 2.582 0.390 0.000
C2 1.342 -0.456 0.000
C3 0.000 0.335 0.000
C4 -1.240 -0.601 0.000
C5 -2.577 0.196 0.000
H6 2.599 0.991 0.833
H7 2.599 0.991 -0.833
H8 1.382 -1.105 0.887
H9 1.382 -1.105 -0.887
H10 -0.033 0.986 -0.890
H11 -0.033 0.986 0.890
H12 -1.199 -1.253 0.888
H13 -1.199 -1.253 -0.888
H14 -3.442 -0.483 0.000
H15 -2.637 0.837 0.892
H16 -2.637 0.837 -0.892

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.50082.58213.94825.16181.02801.02802.11252.11252.82542.82544.21654.21656.08605.31335.3133
C21.50081.55742.58623.97232.09042.09041.10031.10032.18212.18212.80692.80694.78344.27804.2780
C32.58211.55741.55362.58042.80712.80712.18412.18411.10331.10332.17832.17833.53742.82902.8290
C43.94822.58621.55361.55584.23904.23902.81372.81372.18362.18361.10191.10192.20432.19442.1944
C55.16183.97232.58041.55585.30215.30214.26024.26022.80822.80822.18722.18721.09971.10021.1002
H61.02802.09042.80714.23905.30211.66672.42512.97303.14572.63254.41174.73526.27345.23875.5151
H71.02802.09042.80714.23905.30211.66672.97302.42512.63253.14574.73524.41176.27345.51515.2387
H82.11251.10032.18412.81374.26022.42512.97301.77473.08772.52512.58503.13574.94354.46404.8054
H92.11251.10032.18412.81374.26022.97302.42511.77472.52513.08773.13572.58504.94354.80544.4640
H102.82542.18211.10332.18362.80823.14572.63253.08772.52511.77943.08722.52433.81693.15882.6085
H112.82542.18211.10332.18362.80822.63253.14572.52513.08771.77942.52433.08723.81692.60853.1588
H124.21652.80692.17831.10192.18724.41174.73522.58503.13573.08722.52431.77512.53152.53713.0989
H134.21652.80692.17831.10192.18724.73524.41173.13572.58502.52433.08721.77512.53153.09892.5371
H146.08604.78343.53742.20431.09976.27346.27344.94354.94353.81693.81692.53152.53151.78501.7850
H155.31334.27802.82902.19441.10025.23875.51514.46404.80543.15882.60852.53713.09891.78501.7836
H165.31334.27802.82902.19441.10025.51515.23874.80544.46402.60853.15883.09892.53711.78501.7836

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 115.185 N1 C2 H8 107.618
N1 C2 H9 107.618 C2 N1 H6 110.107
C2 N1 H7 110.107 C2 C3 C4 112.468
C2 C3 H10 109.003 C2 C3 H11 109.003
C3 C2 H8 109.321 C3 C2 H9 109.321
C3 C4 C5 112.168 C3 C4 H12 109.042
C3 C4 H13 109.042 C4 C3 H10 109.374
C4 C3 H11 109.374 C4 C5 H14 111.049
C4 C5 H15 110.241 C4 C5 H16 110.241
C5 C4 H12 109.579 C5 C4 H13 109.579
H6 N1 H7 108.327 H8 C2 H9 107.504
H10 C3 H11 107.493 H12 C4 H13 107.306
H14 C5 H15 108.465 H14 C5 H16 108.465
H15 C5 H16 108.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability