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

using model chemistry: QCISD(T)/Def2TZVPP

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(T)/Def2TZVPP
 hartrees
Energy at 0K-156.924837
Energy at 298.15K-156.932751
HF Energy-156.167888
Nuclear repulsion energy117.098085
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(T)/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 3231 3231        
2 A 3144 3144        
3 A 3133 3133        
4 A 3115 3115        
5 A 3109 3109        
6 A 3071 3071        
7 A 3035 3035        
8 A 3028 3028        
9 A 1690 1690        
10 A 1511 1511        
11 A 1503 1503        
12 A 1486 1486        
13 A 1460 1460        
14 A 1412 1412        
15 A 1344 1344        
16 A 1314 1314        
17 A 1292 1292        
18 A 1201 1201        
19 A 1094 1094        
20 A 1039 1039        
21 A 1012 1012        
22 A 983 983        
23 A 920 920        
24 A 863 863        
25 A 790 790        
26 A 645 645        
27 A 427 427        
28 A 311 311        
29 A 228 228        
30 A 104 104        

Unscaled Zero Point Vibrational Energy (zpe) 23747.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23747.3 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(T)/Def2TZVPP
ABC
0.75102 0.13872 0.13545

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.718 -0.248 -0.296
C2 0.540 0.526 0.308
C3 -0.715 -0.300 0.344
C4 -1.855 0.019 -0.280
H5 -0.664 -1.226 0.913
H6 1.502 -0.537 -1.327
H7 2.629 0.355 -0.292
H8 1.915 -1.160 0.272
H9 0.800 0.834 1.327
H10 0.357 1.439 -0.266
H11 -1.941 0.933 -0.858
H12 -2.728 -0.620 -0.230

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53352.51663.58382.84511.09201.09181.09282.15592.16803.88584.4622
C21.53351.50292.51842.21042.17382.17952.17601.09531.09372.77143.5048
C32.51661.50291.33891.08812.78593.46582.76812.13192.13132.11382.1176
C43.58382.51841.33892.09623.56014.49663.98913.20872.62821.08461.0828
H52.84512.21041.08812.09623.19103.84622.65842.56083.08743.07062.4356
H61.09202.17382.78593.56013.19101.77071.76543.06782.51773.77224.3701
H71.09182.17953.46584.49663.84621.77071.76742.48882.51754.64035.4448
H81.09282.17602.76813.98912.65841.76541.76742.51673.07804.53074.7010
H92.15591.09532.13193.20872.56083.06782.48882.51671.76003.50604.1208
H102.16801.09372.13132.62823.08742.51772.51753.07801.76002.42553.7085
H113.88582.77142.11381.08463.07063.77224.64034.53073.50602.42551.8512
H124.46223.50482.11761.08282.43564.37015.44484.70104.12083.70851.8512

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 111.947 C1 C2 H9 109.052
C1 C2 H10 110.095 C2 C1 H6 110.657
C2 C1 H7 111.118 C2 C1 H8 110.782
C2 C3 C4 124.701 C2 C3 H5 116.188
C3 C2 H9 109.268 C3 C2 H10 109.316
C3 C4 H11 121.078 C3 C4 H12 121.594
C4 C3 H5 119.104 H6 C1 H7 108.356
H6 C1 H8 107.807 H7 C1 H8 108.002
H9 C2 H10 107.034 H11 C4 H12 117.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability