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

using model chemistry: QCISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-612.426439
Energy at 298.15K-612.433253
HF Energy-611.962591
Nuclear repulsion energy208.883972
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 QCISD/3-21G
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' 3134 3037 10.92      
2 A' 3114 3018 5.46      
3 A' 3099 3003 9.74      
4 A' 3031 2937 14.76      
5 A' 3030 2936 15.23      
6 A' 1741 1687 9.28      
7 A' 1572 1524 9.40      
8 A' 1565 1517 0.43      
9 A' 1481 1436 5.05      
10 A' 1478 1433 4.49      
11 A' 1377 1334 26.45      
12 A' 1185 1149 21.30      
13 A' 1096 1062 13.85      
14 A' 1055 1022 7.40      
15 A' 906 878 25.45      
16 A' 551 534 21.40      
17 A' 510 494 4.69      
18 A' 326 316 0.54      
19 A' 239 232 1.60      
20 A" 3096 3001 10.55      
21 A" 3077 2982 17.67      
22 A" 1573 1525 8.01      
23 A" 1552 1504 8.72      
24 A" 1128 1093 1.05      
25 A" 1116 1082 1.14      
26 A" 852 826 14.52      
27 A" 451 437 1.83      
28 A" 243 236 2.40      
29 A" 185 179 1.21      
30 A" 96 93 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21930.0 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 21254.6 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 QCISD/3-21G
ABC
0.15248 0.10766 0.06465

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.124 2.709 0.000
Cl2 -1.272 -0.816 0.000
C3 1.963 -1.086 0.000
C4 -0.654 1.932 0.000
H5 -1.285 2.056 0.891
H6 -1.285 2.056 -0.891
C7 0.000 0.567 0.000
C8 1.305 0.285 0.000
H9 1.983 1.143 0.000
H10 1.206 -1.878 0.000
H11 2.599 -1.202 -0.890
H12 2.599 -1.202 0.890

Atom - Atom Distances (Å)
  H1 Cl2 C3 C4 H5 H6 C7 C8 H9 H10 H11 H12
H13.79124.21821.09971.79001.79002.14582.69712.43144.71324.71414.7141
Cl23.79123.24652.81603.00713.00711.87882.80193.79872.69573.99093.9909
C34.21823.24653.99494.60684.60682.56681.52102.22931.09561.10031.1003
C41.09972.81603.99491.09881.09881.51322.55922.75254.23934.60414.6041
H51.79003.00714.60681.09881.78172.15943.26193.50844.74095.37395.0701
H61.79003.00714.60681.09881.78172.15943.26193.50844.74095.07015.3739
C72.14581.87882.56681.51322.15942.15941.33502.06482.72623.26793.2679
C82.69712.80191.52102.55923.26193.26191.33501.09382.16492.16322.1632
H92.43143.79872.22932.75253.50843.50842.06481.09383.11922.58312.5831
H104.71322.69571.09564.23934.74094.74092.72622.16493.11921.78631.7863
H114.71413.99091.10034.60415.37395.07013.26792.16322.58311.78631.7809
H124.71413.99091.10034.60415.07015.37393.26792.16322.58311.78631.7809

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 109.016 H1 C4 H6 109.016
H1 C4 C7 109.399 Cl2 C7 C4 111.783
Cl2 C7 C8 120.394 C3 C8 C7 127.867
C3 C8 H9 116.029 C4 C7 C8 127.823
H5 C4 H6 108.332 H5 C4 C7 110.521
H6 C4 C7 110.521 C7 C8 H9 116.105
C8 C3 H10 110.602 C8 C3 H11 110.190
C8 C3 H12 110.190 H10 C3 H11 108.873
H10 C3 H12 108.873 H11 C3 H12 108.054
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability