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All results from a given calculation for CH3CClCHCH3 (2-Butene, 2-chloro-, (Z)-)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-615.852926
Energy at 298.15K-615.859861
HF Energy-615.037094
Nuclear repulsion energy214.550684
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3228 3049 6.76      
2 A' 3212 3034 5.16      
3 A' 3206 3028 5.28      
4 A' 3102 2930 22.68      
5 A' 3101 2929 1.71      
6 A' 1738 1642 9.70      
7 A' 1520 1436 8.49      
8 A' 1512 1428 0.28      
9 A' 1432 1352 1.22      
10 A' 1428 1349 3.99      
11 A' 1330 1256 22.71      
12 A' 1184 1119 28.00      
13 A' 1130 1067 2.03      
14 A' 1049 991 14.91      
15 A' 925 874 24.09      
16 A' 640 604 18.02      
17 A' 529 499 0.76      
18 A' 342 323 0.38      
19 A' 238 225 1.27      
20 A" 3188 3011 4.48      
21 A" 3174 2998 9.13      
22 A" 1515 1431 5.52      
23 A" 1497 1414 8.58      
24 A" 1081 1021 0.46      
25 A" 1063 1004 1.11      
26 A" 831 785 11.96      
27 A" 472 446 0.72      
28 A" 255 241 1.38      
29 A" 198 187 1.41      
30 A" 103 97 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 22111.3 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 20884.1 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 MP2/6-31G(2df,p)
ABC
0.16540 0.11161 0.06832

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.335 2.629 0.000
Cl2 -1.281 -0.663 0.000
C3 1.835 -1.235 0.000
C4 -0.502 1.930 0.000
H5 -1.120 2.119 0.880
H6 -1.120 2.119 -0.880
C7 0.000 0.523 0.000
C8 1.285 0.153 0.000
H9 2.001 0.970 0.000
H10 1.044 -1.983 0.000
H11 2.465 -1.398 -0.878
H12 2.465 -1.398 0.878

Atom - Atom Distances (Å)
  H1 Cl2 C3 C4 H5 H6 C7 C8 H9 H10 H11 H12
H13.66744.14471.09061.77591.77592.13202.65172.35074.66524.63884.6388
Cl23.66743.16792.70802.92262.92261.74602.69223.66572.67283.91663.9166
C34.14473.16793.93494.55624.55622.54151.49312.21131.08821.09281.0928
C41.09062.70803.93491.09191.09191.49412.52062.68124.20714.54444.5444
H51.77592.92264.55621.09191.76042.13923.22873.44054.72015.32105.0220
H61.77592.92264.55621.09191.76042.13923.22873.44054.72015.02205.3210
C72.13201.74602.54151.49412.13922.13921.33712.05022.71433.24613.2461
C82.65172.69221.49312.52063.22873.22871.33711.08662.14872.13732.1373
H92.35073.66572.21132.68123.44053.44052.05021.08663.10362.56762.5676
H104.66522.67281.08824.20714.72014.72012.71432.14873.10361.76971.7697
H114.63883.91661.09284.54445.32105.02203.24612.13732.56761.76971.7564
H124.63883.91661.09284.54445.02205.32103.24612.13732.56761.76971.7564

picture of 2-Butene, 2-chloro-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H5 108.914 H1 C4 H6 108.914
H1 C4 C7 110.173 Cl2 C7 C4 113.169
Cl2 C7 C8 121.101 C3 C8 C7 127.714
C3 C8 H9 117.136 C4 C7 C8 125.730
H5 C4 H6 107.439 H5 C4 C7 110.665
H6 C4 C7 110.665 C7 C8 H9 115.150
C8 C3 H10 111.734 C8 C3 H11 110.534
C8 C3 H12 110.534 H10 C3 H11 108.466
H10 C3 H12 108.466 H11 C3 H12 106.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability