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 CH2CHCH2CH2Cl (1-Butene, 4-chloro-)

using model chemistry: MP2/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 MP2/Def2TZVPP
 hartrees
Energy at 0K-615.959505
Energy at 298.15K-615.966847
HF Energy-615.098185
Nuclear repulsion energy208.762700
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 3279 3120 8.37      
2 A 3207 3052 2.01      
3 A 3190 3035 6.23      
4 A 3179 3025 5.78      
5 A 3131 2979 18.25      
6 A 3118 2967 6.71      
7 A 3071 2922 13.35      
8 A 1698 1616 5.66      
9 A 1496 1423 3.23      
10 A 1482 1410 12.00      
11 A 1462 1391 3.03      
12 A 1363 1297 0.66      
13 A 1337 1272 26.18      
14 A 1319 1255 6.54      
15 A 1265 1204 0.25      
16 A 1198 1140 0.12      
17 A 1142 1087 3.36      
18 A 1047 996 4.36      
19 A 1036 985 20.06      
20 A 1012 963 3.72      
21 A 945 899 37.47      
22 A 916 871 12.91      
23 A 829 789 5.04      
24 A 710 675 18.12      
25 A 674 641 13.18      
26 A 456 434 1.38      
27 A 361 343 0.38      
28 A 250 238 1.47      
29 A 132 126 1.85      
30 A 77 73 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 22189.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 21112.9 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
0.33391 0.06368 0.05755

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.202 -1.304 -0.415
C2 1.396 -0.419 0.219
H3 3.144 0.541 -0.470
C4 2.646 -0.394 -0.247
H5 0.277 0.863 1.509
C6 0.573 0.805 0.460
H7 -1.227 1.780 -0.242
H8 -0.439 0.748 -1.451
C9 -0.679 0.856 -0.397
H10 0.925 -1.370 0.433
H11 1.166 1.696 0.235
Cl12 -1.804 -0.473 0.011

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 Cl12
H12.10881.84611.08024.11733.48215.39994.30614.44162.43123.68335.0929
C22.10882.10961.33372.13511.49463.45392.74232.51221.08312.12743.2076
H31.84612.10961.08203.49852.74634.54903.72073.83633.06462.39675.0737
C41.08021.33371.08203.20472.49614.44093.50283.55472.09222.60524.4580
H54.11732.13513.49853.20471.09152.48373.04782.13252.56181.76262.8911
C63.48211.49462.74632.49611.09152.16432.16371.51842.20411.09292.7365
H75.39993.45394.54904.44092.48372.16431.77481.08583.87452.44142.3397
H84.30612.74233.72073.50283.04782.16371.77481.08623.14622.51392.3437
C94.44162.51223.83633.55472.13251.51841.08581.08622.86682.12331.7888
H102.43121.08313.06462.09222.56182.20413.87453.14622.86683.08202.9037
H113.68332.12742.39672.60521.76261.09292.44142.51392.12333.08203.6845
Cl125.09293.20765.07374.45802.89112.73652.33972.34371.78882.90373.6845

picture of 1-Butene, 4-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 C2 121.413 H1 C4 H3 117.252
C2 C4 H3 121.335 C2 C6 H5 110.323
C2 C6 C9 112.974 C2 C6 H11 109.624
C4 C2 C6 123.802 C4 C2 H10 119.570
H5 C6 C9 108.478 H5 C6 H11 107.581
C6 C2 H10 116.625 C6 C9 H7 111.334
C6 C9 H8 111.261 C6 C9 Cl12 111.409
H7 C9 H8 109.599 H7 C9 Cl12 106.375
H8 C9 Cl12 106.640 C9 C6 H11 107.686
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability