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: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-213.331155
Energy at 298.15K-213.343781
HF Energy-212.406303
Nuclear repulsion energy186.234789
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 MP2/Def2TZVPP
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' 3525 3354 0.84      
2 A' 3163 3009 28.40      
3 A' 3076 2927 65.94      
4 A' 3072 2923 26.31      
5 A' 3067 2919 7.99      
6 A' 3049 2901 10.53      
7 A' 1659 1579 21.16      
8 A' 1520 1447 5.67      
9 A' 1511 1438 1.02      
10 A' 1498 1426 0.21      
11 A' 1488 1416 0.24      
12 A' 1417 1348 2.30      
13 A' 1402 1334 9.40      
14 A' 1376 1309 2.18      
15 A' 1284 1222 2.31      
16 A' 1157 1101 5.22      
17 A' 1113 1059 13.72      
18 A' 1090 1037 2.34      
19 A' 1039 989 16.15      
20 A' 924 880 28.65      
21 A' 868 826 148.31      
22 A' 428 408 4.86      
23 A' 392 373 0.66      
24 A' 177 168 2.33      
25 A" 3619 3443 1.75      
26 A" 3158 3005 41.62      
27 A" 3131 2979 48.82      
28 A" 3114 2963 3.35      
29 A" 3091 2941 1.75      
30 A" 1515 1441 7.44      
31 A" 1397 1330 0.80      
32 A" 1337 1272 0.35      
33 A" 1312 1248 0.01      
34 A" 1235 1175 0.00      
35 A" 1050 999 0.57      
36 A" 921 877 0.00      
37 A" 788 750 0.32      
38 A" 741 705 2.52      
39 A" 274 261 44.18      
40 A" 253 241 0.45      
41 A" 122 116 0.00      
42 A" 105 100 3.04      

Unscaled Zero Point Vibrational Energy (zpe) 33229.5 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 31617.9 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 MP2/Def2TZVPP
ABC
0.60089 0.06545 0.06230

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 2.527 0.392 0.000
C2 1.322 -0.430 0.000
C3 0.000 0.328 0.000
C4 -1.210 -0.595 0.000
C5 -2.527 0.171 0.000
H6 2.535 0.997 0.810
H7 2.535 0.997 -0.810
H8 1.360 -1.084 0.873
H9 1.360 -1.084 -0.873
H10 -0.037 0.980 -0.878
H11 -0.037 0.980 0.878
H12 -1.166 -1.246 0.875
H13 -1.166 -1.246 -0.875
H14 -3.380 -0.505 0.000
H15 -2.603 0.809 0.880
H16 -2.603 0.809 -0.880

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.45892.52803.86555.05871.01121.01122.07392.07392.77322.77324.13344.13345.97495.22235.2223
C21.45891.52452.53793.89572.04092.04091.09111.09112.14642.14642.76052.76054.70284.20984.2098
C32.52801.52451.52212.53162.74412.74412.14642.14641.09371.09372.14552.14553.48132.79002.7900
C43.86552.53791.52211.52294.14944.14942.75882.75882.15082.15081.09211.09212.17152.16452.1645
C55.05873.89572.53161.52295.19225.19224.17704.17702.76092.76092.15122.15121.08891.08961.0896
H61.01122.04092.74414.14945.19221.62072.38992.92283.07652.57304.32774.64396.15635.14245.4128
H71.01122.04092.74414.14945.19221.62072.92282.38992.57303.07654.64394.32776.15635.41285.1424
H82.07391.09112.14642.75884.17702.38992.92281.74663.04582.49222.53123.07654.85484.39254.7296
H92.07391.09112.14642.75884.17702.92282.38991.74662.49223.04583.07652.53124.85484.72964.3925
H102.77322.14641.09372.15082.76093.07652.57303.04582.49221.75523.04982.49563.76183.11552.5722
H112.77322.14641.09372.15082.76092.57303.07652.49223.04581.75522.49563.04983.76182.57223.1155
H124.13342.76052.14551.09212.15124.32774.64392.53123.07653.04982.49561.75082.49382.50803.0614
H134.13342.76052.14551.09212.15124.64394.32773.07652.53122.49563.04981.75082.49383.06142.5080
H145.97494.70283.48132.17151.08896.15636.15634.85484.85483.76183.76182.49382.49381.76201.7620
H155.22234.20982.79002.16451.08965.14245.41284.39254.72963.11552.57222.50803.06141.76201.7605
H165.22234.20982.79002.16451.08965.41285.14244.72964.39252.57223.11553.06142.50801.76201.7605

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 115.825 N1 C2 H8 107.969
N1 C2 H9 107.969 C2 N1 H6 110.100
C2 N1 H7 110.100 C2 C3 C4 112.820
C2 C3 H10 109.021 C2 C3 H11 109.021
C3 C2 H8 109.167 C3 C2 H9 109.167
C3 C4 C5 112.485 C3 C4 H12 109.209
C3 C4 H13 109.209 C4 C3 H10 109.531
C4 C3 H11 109.531 C4 C5 H14 111.408
C4 C5 H15 110.804 C4 C5 H16 110.804
C5 C4 H12 109.597 C5 C4 H13 109.597
H6 N1 H7 106.524 H8 C2 H9 106.329
H10 C3 H11 106.730 H12 C4 H13 106.565
H14 C5 H15 107.955 H14 C5 H16 107.955
H15 C5 H16 107.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability