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

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-611.419745
Energy at 298.15K 
HF Energy-610.877396
Nuclear repulsion energy195.251017
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' 3229 3103 3.17      
2 A' 3221 3095 7.11      
3 A' 3143 3021 3.84      
4 A' 3139 3017 1.76      
5 A' 3121 3000 3.90      
6 A' 1685 1619 4.35      
7 A' 1643 1579 20.82      
8 A' 1513 1454 1.54      
9 A' 1462 1405 3.05      
10 A' 1366 1313 0.57      
11 A' 1256 1207 31.76      
12 A' 1090 1048 8.00      
13 A' 895 860 10.54      
14 A' 617 593 16.39      
15 A' 533 512 2.94      
16 A' 398 383 0.75      
17 A' 253 243 0.25      
18 A" 996 958 29.56      
19 A" 952 915 41.15      
20 A" 927 891 47.24      
21 A" 751 722 0.77      
22 A" 665 639 0.82      
23 A" 404 388 7.53      
24 A" 125 120 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 16691.4 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 16042.1 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 QCISD/3-21G*
ABC
0.17675 0.12137 0.07196

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 -0.322 1.900 0.000
C2 0.000 0.594 0.000
C3 1.393 0.086 0.000
C4 1.765 -1.208 0.000
Cl5 -1.302 -0.618 0.000
H6 0.462 2.657 0.000
H7 -1.353 2.245 0.000
H8 2.150 0.875 0.000
H9 2.817 -1.489 0.000
H10 1.040 -2.019 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10
C11.34502.49613.74392.70191.08981.08702.67634.61994.1490
C21.34501.48252.52261.77882.11412.13472.16813.50392.8125
C32.49611.48251.34662.78512.73443.49291.09312.12402.1347
C43.74392.52261.34663.12354.07904.65282.11761.08881.0884
Cl52.70191.77882.78513.12353.71982.86393.76064.21032.7289
H61.08982.11412.73444.07903.71981.86052.45524.76904.7119
H71.08702.13473.49294.65282.86391.86053.76145.59804.8899
H82.67632.16811.09312.11763.76062.45523.76142.45633.0993
H94.61993.50392.12401.08884.21034.76905.59802.45631.8546
H104.14902.81252.13471.08842.72894.71194.88993.09931.8546

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 123.895 C1 C2 Cl5 119.095
C2 C1 H6 120.154 C2 C1 H7 122.390
C2 C3 C4 126.105 C2 C3 H8 113.807
C3 C2 Cl5 117.009 C3 C4 H9 121.055
C3 C4 H10 122.121 C4 C3 H8 120.088
H6 C1 H7 117.456 H9 C4 H10 116.824
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability