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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-615.738789
Energy at 298.15K-615.745627
HF Energy-615.043682
Nuclear repulsion energy210.302330
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/cc-pVDZ
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' 3220 3067 16.03      
2 A' 3213 3060 4.48      
3 A' 3199 3047 9.26      
4 A' 3090 2943 11.94      
5 A' 3081 2935 26.58      
6 A' 1732 1650 12.35      
7 A' 1491 1420 7.21      
8 A' 1481 1411 4.01      
9 A' 1416 1349 6.00      
10 A' 1411 1344 1.03      
11 A' 1342 1279 1.27      
12 A' 1167 1111 27.75      
13 A' 1097 1045 36.21      
14 A' 1023 974 7.12      
15 A' 936 891 10.70      
16 A' 690 657 15.40      
17 A' 443 422 5.62      
18 A' 347 331 0.39      
19 A' 270 257 0.38      
20 A" 3176 3026 7.10      
21 A" 3158 3008 13.21      
22 A" 1479 1409 10.05      
23 A" 1469 1399 3.47      
24 A" 1061 1010 0.54      
25 A" 1049 999 0.07      
26 A" 841 801 17.64      
27 A" 433 412 3.15      
28 A" 232 221 0.34      
29 A" 162 154 0.55      
30 A" 115 110 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 21910.8 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 20870.0 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/cc-pVDZ
ABC
0.24227 0.07952 0.06125

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.136 -1.210 0.000
H2 -2.694 -0.263 0.000
H3 -2.447 -1.789 0.887
H4 -2.447 -1.789 -0.887
C5 0.000 0.175 0.000
H6 -0.027 -1.918 0.000
C7 -0.645 -1.012 0.000
H8 -0.238 2.114 0.889
H9 -0.238 2.114 -0.889
C10 -0.581 1.559 0.000
Cl11 1.761 0.172 0.000
H12 -1.680 1.535 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 Cl11 H12
C11.09951.10411.10412.54562.22451.50433.92983.92983.17594.13522.7827
H21.09951.78231.78232.72963.13892.18213.53173.53172.79024.47682.0642
H31.10411.78231.77443.26062.58082.15394.48484.82383.93434.72703.5247
H41.10411.78231.77443.26062.58082.15394.82384.48483.93434.72703.5247
C52.54562.72963.26063.26062.09271.35052.14692.14691.50151.76142.1617
H62.22453.13892.58082.58082.09271.09654.13444.13443.52092.75083.8281
C71.50432.18212.15392.15391.35051.09653.27553.27552.57192.68172.7493
H83.92983.53174.48484.82382.14694.13443.27551.77811.10282.92581.7902
H93.92983.53174.82384.48482.14694.13443.27551.77811.10282.92581.7902
C103.17592.79023.93433.93431.50153.52092.57191.10281.10282.72231.0992
Cl114.13524.47684.72704.72701.76142.75082.68172.92582.92582.72233.7014
H122.78272.06423.52473.52472.16173.82812.74931.79021.79021.09923.7014

picture of 2-Butene, 2-chloro-, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C7 C5 126.088 C1 C7 H6 116.720
H2 C1 H3 107.966 H2 C1 H4 107.966
H2 C1 C7 112.947 H3 C1 H4 106.944
H3 C1 C7 110.396 H4 C1 C7 110.396
C5 C7 H6 117.192 C5 C10 H8 110.109
C5 C10 H9 110.109 C5 C10 H12 111.509
C7 C5 C10 128.711 C7 C5 Cl11 118.438
H8 C10 H9 107.451 H8 C10 H12 108.779
H9 C10 H12 108.779 C10 C5 Cl11 112.851
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability