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

using model chemistry: MP2/CEP-31G

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-31G
 hartrees
Energy at 0K-40.960519
Energy at 298.15K-40.967272
HF Energy-40.600491
Nuclear repulsion energy88.618915
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-31G
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' 3166 3059 35.03      
2 A' 3146 3040 33.27      
3 A' 3137 3031 9.20      
4 A' 3036 2933 38.22      
5 A' 3035 2932 39.98      
6 A' 1694 1637 12.92      
7 A' 1529 1478 11.68      
8 A' 1522 1471 1.36      
9 A' 1463 1413 2.26      
10 A' 1460 1411 4.75      
11 A' 1344 1299 28.23      
12 A' 1189 1149 24.27      
13 A' 1108 1071 2.49      
14 A' 1069 1033 14.91      
15 A' 914 883 25.29      
16 A' 567 548 21.65      
17 A' 511 494 0.01      
18 A' 328 317 0.36      
19 A' 225 218 1.24      
20 A" 3139 3033 33.60      
21 A" 3118 3013 47.81      
22 A" 1513 1462 12.03      
23 A" 1491 1441 11.83      
24 A" 1105 1068 0.27      
25 A" 1078 1042 1.87      
26 A" 816 789 28.19      
27 A" 455 439 3.99      
28 A" 244 236 4.08      
29 A" 188 181 1.88      
30 A" 84 81 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 21836.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 21100.1 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/CEP-31G
ABC
0.15061 0.10375 0.06292

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.278 2.713 0.000
Cl2 -1.329 -0.744 0.000
C3 1.943 -1.210 0.000
C4 -0.563 1.989 0.000
H5 -1.191 2.166 0.898
H6 -1.191 2.166 -0.898
C7 0.000 0.558 0.000
C8 1.340 0.206 0.000
H9 2.050 1.053 0.000
H10 1.154 -1.985 0.000
H11 2.583 -1.358 -0.897
H12 2.583 -1.358 0.897

Atom - Atom Distances (Å)
  H1 Cl2 C3 C4 H5 H6 C7 C8 H9 H10 H11 H12
H13.81274.26231.10951.80621.80622.17372.72322.42864.77984.76414.7641
Cl23.81273.30472.83883.04933.04931.86022.83333.82702.77534.06014.0601
C34.26233.30474.06384.69344.69342.62671.53912.26551.10651.11211.1121
C41.10952.83884.06381.11021.11021.53832.60802.77554.32944.68034.6803
H51.80623.04934.69341.11021.79652.19393.32513.54254.85195.46695.1637
H61.80623.04934.69341.11021.79652.19393.32513.54254.85195.16375.4669
C72.17371.86022.62671.53832.19392.19391.38572.10902.79243.33873.3387
C82.72322.83331.53912.60803.32513.32511.38571.10472.19952.19002.1900
H92.42863.82702.26552.77553.54253.54252.10901.10473.16782.62712.6271
H104.77982.77531.10654.32944.85194.85192.79242.19953.16781.80071.8007
H114.76414.06011.11214.68035.46695.16373.33872.19002.62711.80071.7945
H124.76414.06011.11214.68035.16375.46693.33872.19002.62711.80071.7945

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 108.922 H1 C4 H6 108.922
H1 C4 C7 109.288 Cl2 C7 C4 112.953
Cl2 C7 C8 120.896 C3 C8 C7 127.739
C3 C8 H9 116.986 C4 C7 C8 126.151
H5 C4 H6 108.015 H5 C4 C7 110.824
H6 C4 C7 110.824 C7 C8 H9 115.275
C8 C3 H10 111.437 C8 C3 H11 110.351
C8 C3 H12 110.351 H10 C3 H11 108.509
H10 C3 H12 108.509 H11 C3 H12 107.574
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability