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All results from a given calculation for CH3C(NH2)HCH2CH3 (2-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 C1 1A
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-211.681425
Energy at 298.15K-211.694137
HF Energy-211.142003
Nuclear repulsion energy191.806262
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 3450 3344 4.85      
2 A 3360 3256 7.16      
3 A 3107 3012 35.79      
4 A 3096 3000 35.78      
5 A 3085 2990 34.57      
6 A 3081 2986 25.90      
7 A 3070 2975 2.29      
8 A 3027 2933 19.06      
9 A 3020 2927 9.62      
10 A 3020 2927 31.14      
11 A 2927 2836 58.54      
12 A 1744 1690 25.69      
13 A 1589 1540 7.48      
14 A 1580 1531 3.82      
15 A 1577 1528 2.90      
16 A 1569 1521 3.58      
17 A 1550 1503 1.44      
18 A 1470 1424 2.31      
19 A 1466 1421 10.29      
20 A 1442 1398 4.41      
21 A 1428 1384 14.49      
22 A 1387 1345 2.19      
23 A 1347 1305 2.09      
24 A 1297 1257 0.15      
25 A 1226 1188 2.97      
26 A 1174 1138 1.56      
27 A 1073 1040 4.66      
28 A 1039 1007 12.15      
29 A 1026 994 2.22      
30 A 1018 987 0.91      
31 A 933 904 15.30      
32 A 851 825 65.62      
33 A 813 788 55.62      
34 A 764 741 12.67      
35 A 477 462 6.53      
36 A 451 438 8.83      
37 A 379 367 0.07      
38 A 295 286 30.47      
39 A 265 256 4.01      
40 A 241 233 3.68      
41 A 223 216 28.92      
42 A 94 91 5.83      

Unscaled Zero Point Vibrational Energy (zpe) 33014.3 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 31997.5 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
0.25519 0.11152 0.08581

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.572 1.394 -0.232
H2 -0.218 1.972 0.078
H3 1.442 1.853 0.070
C4 1.796 -0.728 -0.010
H5 1.915 -0.713 -1.101
H6 2.665 -0.231 0.448
H7 1.763 -1.769 0.344
C8 0.486 0.013 0.354
H9 0.368 0.011 1.457
C10 -0.737 -0.709 -0.266
H11 -0.599 -0.705 -1.357
H12 -0.740 -1.754 0.082
C13 -2.095 -0.041 0.097
H14 -2.934 -0.629 -0.302
H15 -2.155 0.969 -0.333
H16 -2.210 0.029 1.189

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.02721.02882.45992.64532.73563.42831.50282.19322.47812.65413.42553.04674.04892.76203.4102
H21.02721.66483.36983.62623.64754.24122.09962.46802.75263.06113.76272.75223.77952.21932.9966
H31.02881.66482.60622.85992.44533.64582.09242.54363.38043.57034.21574.01225.04483.72604.2333
C42.45993.36982.60621.09841.10121.09931.54852.17652.54612.74832.73683.95224.74014.31184.2497
H52.64533.62622.85991.09841.78771.79612.16503.07632.78032.52703.08724.23814.91494.46984.7763
H62.73563.64752.44531.10121.78771.78622.19502.52113.50943.76043.74814.77675.66355.02814.9386
H73.42834.24123.64581.09931.79611.78622.19232.52052.78293.09912.51604.23394.87634.82684.4420
C81.50282.09962.09241.54852.16502.19502.19231.10941.55022.14992.16812.59413.54132.89102.8228
H92.19322.46802.54362.17653.07632.52112.52051.10942.17023.06082.49662.81393.79593.23802.5921
C102.47812.75263.38042.54612.78033.50942.78291.55022.17021.09961.10171.55592.19872.19762.1985
H112.65413.06113.57032.74832.52703.76043.09912.14993.06081.09961.78702.18862.56312.50403.1013
H123.42553.76274.21572.73683.08723.74812.51602.16812.49661.10171.78702.18442.49633.09682.5628
C133.04672.75224.01223.95224.23814.77674.23392.59412.81391.55592.18862.18441.09961.09901.1011
H144.04893.77955.04484.74014.91495.66354.87633.54133.79592.19872.56312.49631.09961.77771.7838
H152.76202.21933.72604.31184.46985.02814.82682.89103.23802.19762.50403.09681.09901.77771.7897
H163.41022.99664.23334.24974.77634.93864.44202.82282.59212.19853.10132.56281.10111.78381.7897

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 107.442 N1 C8 H9 113.336
N1 C8 C10 108.514 H2 N1 H3 108.136
H2 N1 C8 110.771 H3 N1 C8 110.075
C4 C8 H9 108.821 C4 C8 C10 110.502
H5 C4 H6 108.736 H5 C4 H7 109.625
H5 C4 C8 108.564 H6 C4 H7 108.526
H6 C4 C8 110.735 H7 C4 C8 110.629
C8 C10 H11 107.231 C8 C10 H12 108.500
C8 C10 C13 113.269 H9 C8 C10 108.231
C10 C13 H14 110.614 C10 C13 H15 110.558
C10 C13 H16 110.508 H11 C10 H12 108.536
H11 C10 C13 109.816 H12 C10 C13 109.368
H14 C13 H15 107.908 H14 C13 H16 108.300
H15 C13 H16 108.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability