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

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-41.012637
Energy at 298.15K-41.019116
HF Energy-40.611435
Nuclear repulsion energy88.965724
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/CEP-121G
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' 3130 3055 16.92      
2 A' 3102 3028 20.89      
3 A' 3086 3012 28.64      
4 A' 2982 2911 21.12      
5 A' 2971 2900 38.79      
6 A' 1667 1627 15.37      
7 A' 1530 1493 10.19      
8 A' 1521 1485 6.47      
9 A' 1466 1431 7.15      
10 A' 1449 1415 1.23      
11 A' 1373 1340 2.50      
12 A' 1158 1130 43.12      
13 A' 1097 1071 16.79      
14 A' 1017 993 6.61      
15 A' 901 880 15.77      
16 A' 646 630 20.44      
17 A' 413 403 6.66      
18 A' 332 324 0.33      
19 A' 258 252 0.56      
20 A" 3079 3005 20.74      
21 A" 3059 2985 29.04      
22 A" 1501 1465 13.73      
23 A" 1484 1448 3.30      
24 A" 1086 1060 2.04      
25 A" 1067 1041 0.04      
26 A" 784 765 27.19      
27 A" 384 375 4.56      
28 A" 210 205 0.39      
29 A" 126 123 0.66      
30 A" 35 34 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 21455.2 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 20940.3 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 MP2/CEP-121G
ABC
0.23127 0.07479 0.05776

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.387 -0.808 0.000
H2 -2.753 0.229 0.000
H3 -2.794 -1.316 0.892
H4 -2.794 -1.316 -0.892
C5 0.000 0.184 0.000
H6 -0.420 -1.891 0.000
C7 -0.853 -0.885 0.000
H8 0.139 2.162 0.892
H9 0.139 2.162 -0.892
C10 -0.297 1.683 0.000
Cl11 1.829 -0.172 0.000
H12 -1.384 1.857 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 Cl11 H12
C11.10041.10391.10392.58532.24501.53583.99953.99953.25154.26412.8482
H21.10041.78451.78452.75363.15252.20283.59053.59052.85374.59992.1273
H31.10391.78451.78313.29462.60032.17914.54944.88654.00284.84583.5853
H41.10391.78451.78313.29462.60032.17914.88654.54944.00284.84583.5853
C52.58532.75363.29463.29462.11751.36822.17382.17381.52761.86352.1712
H62.24503.15252.60032.60032.11751.09504.18734.18733.57592.83153.8702
C71.53582.20282.17912.17911.36821.09503.32623.32622.62752.77572.7934
H83.99953.59054.54944.88652.17384.18733.32621.78381.10223.01641.7904
H93.99953.59054.88654.54942.17384.18733.32621.78381.10223.01641.7904
C103.25152.85374.00284.00281.52763.57592.62751.10221.10222.82151.1004
Cl114.26414.59994.84584.84581.86352.83152.77573.01643.01642.82153.8000
H122.84822.12733.58533.58532.17123.87022.79341.79041.79041.10043.8000

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 125.710 C1 C7 H6 116.155
H2 C1 H3 108.111 H2 C1 H4 108.111
H2 C1 C7 112.307 H3 C1 H4 107.741
H3 C1 C7 110.214 H4 C1 C7 110.214
C5 C7 H6 118.135 C5 C10 H8 110.451
C5 C10 H9 110.451 C5 C10 H12 110.353
C7 C5 C10 130.195 C7 C5 Cl11 117.570
H8 C10 H9 108.026 H8 C10 H12 108.748
H9 C10 H12 108.748 C10 C5 Cl11 112.235
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability