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: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-615.562602
Energy at 298.15K 
HF Energy-615.562602
Nuclear repulsion energy198.504204
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 B1B95/6-31G(2df,p)
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' 3298 3158 1.28 65.02 0.74 0.85
2 A' 3285 3146 3.50 63.87 0.64 0.78
3 A' 3195 3060 4.46 211.46 0.13 0.23
4 A' 3193 3058 0.22 22.27 0.19 0.32
5 A' 3182 3047 2.97 23.49 0.70 0.82
6 A' 1734 1661 4.48 226.07 0.27 0.43
7 A' 1677 1606 29.80 8.01 0.30 0.47
8 A' 1450 1389 1.13 50.18 0.41 0.58
9 A' 1407 1348 8.80 2.82 0.44 0.61
10 A' 1315 1259 0.20 25.97 0.36 0.53
11 A' 1244 1192 48.18 9.70 0.43 0.60
12 A' 1030 986 5.90 3.91 0.61 0.76
13 A' 909 871 8.57 0.23 0.73 0.85
14 A' 653 625 23.59 12.50 0.09 0.17
15 A' 524 502 0.90 6.00 0.52 0.69
16 A' 382 366 2.07 3.27 0.75 0.86
17 A' 241 231 0.10 2.26 0.67 0.80
18 A" 1024 981 13.08 0.63 0.75 0.86
19 A" 962 921 30.42 1.32 0.75 0.86
20 A" 915 876 41.21 1.38 0.75 0.86
21 A" 775 742 0.72 9.40 0.75 0.86
22 A" 679 650 0.06 1.47 0.75 0.86
23 A" 424 406 4.78 3.48 0.75 0.86
24 A" 155 148 0.22 1.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16826.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 16114.6 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 B1B95/6-31G(2df,p)
ABC
0.18297 0.12560 0.07447

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.309 1.875 0.000
C2 0.000 0.580 0.000
C3 1.362 0.072 0.000
C4 1.731 -1.204 0.000
Cl5 -1.280 -0.596 0.000
H6 0.485 2.610 0.000
H7 -1.331 2.222 0.000
H8 2.114 0.855 0.000
H9 2.778 -1.478 0.000
H10 1.004 -2.005 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10
C11.33052.45793.69362.65471.08231.07972.62914.55704.0960
C21.33051.45362.48651.73852.08672.11382.13183.45722.7739
C32.45791.45361.32862.72462.68533.44621.08572.09922.1078
C43.69362.48651.32863.07164.01284.59572.09431.08161.0819
Cl52.65471.73852.72463.07163.65992.81933.69094.15192.6832
H61.08232.08672.68534.01283.65991.85702.39494.68694.6445
H71.07972.11383.44624.59572.81931.85703.70685.52944.8297
H82.62912.13181.08572.09433.69092.39493.70682.42503.0679
H94.55703.45722.09921.08164.15194.68695.52942.42501.8506
H104.09602.77392.10781.08192.68324.64454.82973.06791.8506

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 123.914 C1 C2 Cl5 119.171
C2 C1 H6 119.374 C2 C1 H7 122.229
C2 C3 C4 126.625 C2 C3 H8 113.386
C3 C2 Cl5 116.916 C3 C4 H9 120.790
C3 C4 H10 121.616 C4 C3 H8 119.989
H6 C1 H7 118.397 H9 C4 H10 117.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.395      
2 C 0.240      
3 C -0.054      
4 C -0.344      
5 Cl -0.151      
6 H 0.141      
7 H 0.155      
8 H 0.121      
9 H 0.137      
10 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.257 0.889 0.000 1.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.095 -0.643 0.000
y -0.643 -32.533 0.000
z 0.000 0.000 -39.144
Traceless
 xyz
x 1.743 -0.643 0.000
y -0.643 4.087 0.000
z 0.000 0.000 -5.830
Polar
3z2-r2-11.660
x2-y2-1.562
xy-0.643
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.275 -1.373 0.000
y -1.373 11.682 0.000
z 0.000 0.000 4.012


<r2> (average value of r2) Å2
<r2> 151.310
(<r2>)1/2 12.301