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

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-612.424555
Energy at 298.15K-612.431309
HF Energy-611.960744
Nuclear repulsion energy205.992484
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' 3158 3061 4.40      
2 A' 3123 3027 14.87      
3 A' 3108 3013 13.24      
4 A' 3039 2946 8.07      
5 A' 3029 2936 17.58      
6 A' 1734 1681 13.68      
7 A' 1574 1526 10.15      
8 A' 1565 1517 5.11      
9 A' 1487 1441 7.18      
10 A' 1470 1425 0.57      
11 A' 1407 1363 2.58      
12 A' 1170 1134 57.42      
13 A' 1100 1066 6.59      
14 A' 1012 981 9.22      
15 A' 889 861 12.54      
16 A' 645 625 21.07      
17 A' 414 401 10.40      
18 A' 332 322 0.26      
19 A' 262 254 0.81      
20 A" 3095 3000 9.78      
21 A" 3078 2983 15.42      
22 A" 1568 1520 8.61      
23 A" 1557 1509 5.12      
24 A" 1119 1085 0.01      
25 A" 1116 1081 0.05      
26 A" 874 847 26.01      
27 A" 427 413 4.60      
28 A" 226 219 0.17      
29 A" 162 157 0.14      
30 A" 106 103 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 21922.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 21247.2 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
0.23533 0.07532 0.05832

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)
C1 -2.449 -0.525 0.000
H2 -2.695 0.544 0.000
H3 -2.903 -0.985 0.890
H4 -2.903 -0.985 -0.890
C5 0.000 0.182 0.000
H6 -0.629 -1.811 0.000
C7 -0.941 -0.766 0.000
H8 0.381 2.107 0.891
H9 0.381 2.107 -0.891
C10 -0.111 1.690 0.000
Cl11 1.796 -0.380 0.000
H12 -1.164 1.997 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 Cl11 H12
C11.09681.10021.10022.54942.22851.52773.96583.96583.22134.24812.8305
H21.09681.78211.78212.71883.13232.18923.56273.56272.82684.58522.1102
H31.10021.78211.78043.25322.57732.16584.51064.84943.96864.82103.5654
H41.10021.78211.78043.25322.57732.16584.84944.51063.96864.82103.5654
C52.54942.71883.25323.25322.09001.33572.15452.15451.51221.88242.1563
H62.22853.13232.57732.57732.09001.09024.14254.14253.53932.81593.8453
C71.52772.18922.16582.16581.33571.09023.28523.28522.59282.76412.7722
H83.96583.56274.51064.84942.15454.14253.28521.78111.09912.99731.7867
H93.96583.56274.84944.51062.15454.14253.28521.78111.09912.99731.7867
C103.22132.82683.96863.96861.51223.53932.59281.09911.09912.81521.0974
Cl114.24814.58524.82104.82101.88242.81592.76412.99732.99732.81523.7972
H122.83052.11023.56543.56542.15633.84532.77221.78671.78671.09743.7972

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 125.690 C1 C7 H6 115.683
H2 C1 H3 108.422 H2 C1 H4 108.422
H2 C1 C7 112.005 H3 C1 H4 108.015
H3 C1 C7 109.937 H4 C1 C7 109.937
C5 C7 H6 118.628 C5 C10 H8 110.190
C5 C10 H9 110.190 C5 C10 H12 110.432
C7 C5 C10 131.030 C7 C5 Cl11 117.379
H8 C10 H9 108.246 H8 C10 H12 108.866
H9 C10 H12 108.866 C10 C5 Cl11 111.591
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability