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

using model chemistry: CCSD(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 CCSD(T)/Def2TZVPP
 hartrees
Energy at 0K-156.924437
Energy at 298.15K-156.932363
HF Energy-156.167910
Nuclear repulsion energy117.107064
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 CCSD(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 3232 3232        
2 A 3145 3145        
3 A 3133 3133        
4 A 3116 3116        
5 A 3110 3110        
6 A 3072 3072        
7 A 3036 3036        
8 A 3029 3029        
9 A 1692 1692        
10 A 1511 1511        
11 A 1504 1504        
12 A 1487 1487        
13 A 1460 1460        
14 A 1412 1412        
15 A 1345 1345        
16 A 1315 1315        
17 A 1293 1293        
18 A 1202 1202        
19 A 1094 1094        
20 A 1040 1040        
21 A 1013 1013        
22 A 984 984        
23 A 921 921        
24 A 863 863        
25 A 790 790        
26 A 646 646        
27 A 428 428        
28 A 312 312        
29 A 231 231        
30 A 107 107        

Unscaled Zero Point Vibrational Energy (zpe) 23760.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23760.9 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 CCSD(T)/Def2TZVPP
ABC
0.75114 0.13875 0.13547

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(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 -1.326
H7 2.628 0.355 -0.292
H8 1.915 -1.160 0.272
H9 0.800 0.834 1.327
H10 0.356 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
C11.53342.51653.58342.84501.09191.09171.09282.15582.16793.88564.4619
C21.53341.50282.51812.21042.17372.17942.17591.09531.09362.77143.5045
C32.51651.50281.33861.08812.78573.46572.76802.13182.13112.11372.1173
C43.58342.51811.33862.09593.55984.49623.98883.20832.62801.08461.0828
H52.84502.21041.08812.09593.19093.84612.65842.56073.08723.07042.4353
H61.09192.17372.78573.55983.19091.77051.76533.06772.51753.77214.3699
H71.09172.17943.46574.49623.84611.77051.76732.48882.51734.64025.4444
H81.09282.17592.76803.98882.65841.76531.76732.51673.07784.53064.7008
H92.15581.09532.13183.20832.56073.06772.48882.51671.75993.50594.1204
H102.16791.09362.13112.62803.08722.51752.51733.07781.75992.42553.7082
H113.88562.77142.11371.08463.07043.77214.64024.53063.50592.42551.8510
H124.46193.50452.11731.08282.43534.36995.44444.70084.12043.70821.8510

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 111.948 C1 C2 H9 109.053
C1 C2 H10 110.096 C2 C1 H6 110.658
C2 C1 H7 111.121 C2 C1 H8 110.783
C2 C3 C4 124.701 C2 C3 H5 116.188
C3 C2 H9 109.267 C3 C2 H10 109.317
C3 C4 H11 121.093 C3 C4 H12 121.596
C4 C3 H5 119.105 H6 C1 H7 108.353
H6 C1 H8 107.808 H7 C1 H8 107.998
H9 C2 H10 107.032 H11 C4 H12 117.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability