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: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-615.473554
Energy at 298.15K 
HF Energy-615.473554
Nuclear repulsion energy197.124805
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 B3PW91/6-31G*
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' 3290 3148 1.96      
2 A' 3279 3137 5.51      
3 A' 3194 3056 4.57      
4 A' 3193 3055 0.66      
5 A' 3176 3038 5.26      
6 A' 1729 1654 4.25      
7 A' 1673 1600 32.54      
8 A' 1471 1407 0.88      
9 A' 1424 1363 6.07      
10 A' 1330 1273 0.20      
11 A' 1253 1198 53.16      
12 A' 1044 999 8.11      
13 A' 913 874 9.06      
14 A' 642 615 25.96      
15 A' 528 505 1.38      
16 A' 391 374 1.51      
17 A' 246 235 0.13      
18 A" 1013 969 19.51      
19 A" 947 906 40.35      
20 A" 898 859 54.14      
21 A" 763 730 0.65      
22 A" 669 640 0.17      
23 A" 419 401 5.96      
24 A" 151 144 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 16816.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 16088.7 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 B3PW91/6-31G*
ABC
0.18080 0.12339 0.07334

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.313 1.883 0.000
C2 0.000 0.582 0.000
C3 1.369 0.077 0.000
C4 1.754 -1.203 0.000
Cl5 -1.292 -0.605 0.000
H6 0.479 2.626 0.000
H7 -1.339 2.233 0.000
H8 2.121 0.866 0.000
H9 2.808 -1.464 0.000
H10 1.039 -2.020 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10
C11.33822.46793.71442.67361.08631.08382.63814.57674.1304
C21.33821.45902.50251.75452.09952.12582.13973.47442.8015
C32.46791.45901.33672.74692.69983.46121.08962.10882.1228
C43.71442.50251.33673.10414.03574.62302.10081.08571.0857
Cl52.67361.75452.74693.10413.68472.83853.71624.18882.7266
H61.08632.09952.69984.03573.68471.86002.40724.70704.6795
H71.08382.12583.46124.62302.83851.86003.72025.55584.8725
H82.63812.13971.08962.10083.71622.40723.72022.42943.0816
H94.57673.47442.10881.08574.18884.70705.55582.42941.8539
H104.13042.80152.12281.08572.72664.67954.87253.08161.8539

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 123.785 C1 C2 Cl5 119.036
C2 C1 H6 119.623 C2 C1 H7 122.385
C2 C3 C4 126.991 C2 C3 H8 113.395
C3 C2 Cl5 117.179 C3 C4 H9 120.692
C3 C4 H10 122.054 C4 C3 H8 119.614
H6 C1 H7 117.992 H9 C4 H10 117.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.405      
2 C -0.031      
3 C -0.097      
4 C -0.393      
5 Cl -0.008      
6 H 0.188      
7 H 0.197      
8 H 0.175      
9 H 0.177      
10 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.316 0.943 0.000 1.619
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.040 -0.733 0.000
y -0.733 -32.266 0.000
z 0.000 0.000 -39.613
Traceless
 xyz
x 1.900 -0.733 0.000
y -0.733 4.560 0.000
z 0.000 0.000 -6.460
Polar
3z2-r2-12.921
x2-y2-1.774
xy-0.733
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.921 -1.427 0.000
y -1.427 11.524 0.000
z 0.000 0.000 3.035


<r2> (average value of r2) Å2
<r2> 153.305
(<r2>)1/2 12.382