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All results from a given calculation for CH2CHCH2CH3 (1-Butene)

using model chemistry: CID/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CID/6-31G
 hartrees
Energy at 0K-156.401830
Energy at 298.15K-156.409902
HF Energy-156.045252
Nuclear repulsion energy116.402700
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 CID/6-31G
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 3288 3075 28.69      
2 A 3208 3000 4.73      
3 A 3187 2981 36.86      
4 A 3172 2966 42.34      
5 A 3165 2960 38.82      
6 A 3115 2913 13.17      
7 A 3092 2892 27.32      
8 A 3075 2876 35.33      
9 A 1775 1660 4.93      
10 A 1594 1491 6.13      
11 A 1588 1485 6.17      
12 A 1579 1477 2.62      
13 A 1541 1441 1.69      
14 A 1506 1409 2.88      
15 A 1433 1340 1.85      
16 A 1395 1304 0.63      
17 A 1358 1270 0.03      
18 A 1268 1186 0.08      
19 A 1160 1085 4.30      
20 A 1075 1006 3.56      
21 A 1063 994 11.35      
22 A 1048 980 2.51      
23 A 996 932 51.25      
24 A 891 833 1.09      
25 A 839 784 2.70      
26 A 676 632 9.76      
27 A 449 420 0.62      
28 A 332 310 0.51      
29 A 236 220 0.02      
30 A 103 97 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 24602.6 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 23008.4 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 CID/6-31G
ABC
0.74830 0.13630 0.13320

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.737 -0.249 -0.296
C2 0.544 0.525 0.310
C3 -0.727 -0.300 0.344
C4 -1.868 0.018 -0.281
H5 -0.672 -1.225 0.921
H6 1.520 -0.540 -1.330
H7 2.644 0.365 -0.294
H8 1.943 -1.161 0.276
H9 0.801 0.842 1.331
H10 0.364 1.440 -0.268
H11 -1.966 0.928 -0.868
H12 -2.749 -0.614 -0.230

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.54612.54613.61542.87021.09551.09551.09652.17142.17683.92734.5020
C21.54611.51522.53462.21632.18552.19172.19151.09941.09802.80153.5261
C32.54611.51521.33991.09102.81193.49492.80602.14782.14392.12472.1259
C43.61542.53461.33992.10243.59084.52614.02853.22512.64731.08761.0856
H52.87022.21631.09102.10243.21573.87352.69442.57103.09723.08382.4521
H61.09552.18552.81193.59083.21571.77621.77283.08342.52643.81054.4097
H71.09552.19173.49494.52613.87351.77621.77422.50362.52074.67955.4824
H81.09652.19152.80604.02852.69441.77281.77422.53643.09154.57754.7514
H92.17141.09942.14783.22512.57103.08342.50362.53641.76263.53504.1425
H102.17681.09802.14392.64733.09722.52642.52073.09151.76262.45993.7307
H113.92732.80152.12471.08763.08383.81054.67954.57753.53502.45991.8441
H124.50203.52612.12591.08562.45214.40975.48244.75144.14253.73071.8441

picture of 1-Butene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.544 C1 C2 H9 109.156
C1 C2 H10 109.661 C2 C1 H6 110.493
C2 C1 H7 110.983 C2 C1 H8 110.907
C2 C3 C4 125.065 C2 C3 H5 115.548
C3 C2 H9 109.430 C3 C2 H10 109.210
C3 C4 H11 121.803 C3 C4 H12 122.084
C4 C3 H5 119.384 H6 C1 H7 108.326
H6 C1 H8 107.952 H7 C1 H8 108.071
H9 C2 H10 106.666 H11 C4 H12 116.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability