return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CClCHCH2 (1,3-Butadiene, 2-chloro-)

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3
 hartrees
Energy at 0K-615.313125
Energy at 298.15K-615.306661
HF Energy-613.819228
Nuclear repulsion energy197.917597
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 HF/6-31G*
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' 3448 3249 4.21 69.61 0.73 0.85
2 A' 3442 3243 8.21 72.39 0.71 0.83
3 A' 3364 3169 9.91 184.71 0.15 0.26
4 A' 3356 3162 3.78 40.48 0.21 0.35
5 A' 3345 3151 3.49 24.25 0.54 0.70
6 A' 1888 1779 8.02 346.35 0.29 0.44
7 A' 1819 1714 26.58 7.95 0.40 0.57
8 A' 1597 1505 0.41 81.05 0.40 0.57
9 A' 1545 1456 4.66 5.85 0.48 0.64
10 A' 1447 1363 1.29 43.37 0.36 0.53
11 A' 1353 1275 52.54 13.64 0.38 0.55
12 A' 1139 1073 6.41 6.11 0.59 0.74
13 A' 979 923 11.53 0.96 0.22 0.36
14 A' 682 642 25.89 14.22 0.14 0.25
15 A' 567 534 2.18 6.89 0.62 0.77
16 A' 423 399 1.89 3.91 0.75 0.86
17 A' 264 248 0.24 2.76 0.71 0.83
18 A" 1124 1059 13.85 4.99 0.75 0.86
19 A" 1091 1028 55.71 4.09 0.75 0.86
20 A" 1061 999 51.52 5.29 0.75 0.86
21 A" 839 790 0.59 19.42 0.75 0.86
22 A" 743 700 0.27 5.37 0.75 0.86
23 A" 454 428 6.55 5.63 0.75 0.86
24 A" 143 135 0.29 3.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18055.8 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 17012.1 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=FULL/6-31G*
ABC
0.18099 0.12412 0.07363

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.299 1.886 0.000
C2 0.000 0.578 0.000
C3 1.369 0.071 0.000
C4 1.737 -1.218 0.000
Cl5 -1.291 -0.594 0.000
H6 0.501 2.619 0.000
H7 -1.321 2.243 0.000
H8 2.130 0.849 0.000
H9 2.787 -1.490 0.000
H10 1.012 -2.023 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10
C11.34162.46473.71192.67121.08481.08282.64114.57364.1227
C21.34161.45972.49851.74402.10142.12572.14753.47022.7908
C32.46471.45971.34032.74212.69163.45751.08892.10892.1241
C43.71192.49851.34033.09224.03084.61862.10401.08401.0837
Cl52.67121.74402.74213.09223.67902.83753.71374.17522.7106
H61.08482.10142.69164.03083.67901.86012.40554.70214.6698
H71.08282.12573.45754.61862.83751.86013.72225.55084.8624
H82.64112.14751.08892.10403.71372.40553.72222.42993.0822
H94.57363.47022.10891.08404.17524.70215.55082.42991.8527
H104.12272.79082.12411.08372.71064.66984.86243.08221.8527

picture of 1,3-Butadiene, 2-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.476 C1 C2 Cl5 119.205
C2 C1 H6 119.858 C2 C1 H7 122.371
C2 C3 C4 127.136 C2 C3 H8 113.324
C3 C2 Cl5 117.319 C3 C4 H9 120.374
C3 C4 H10 122.662 C4 C3 H8 119.540
H6 C1 H7 117.771 H9 C4 H10 116.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability