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 CH2CHCH2CH2Cl (1-Butene, 4-chloro-)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-613.767038
Energy at 298.15K-613.774369
Nuclear repulsion energy206.753318
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 B3PW91/3-21G*
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 3240 3108 13.48      
2 A 3180 3051 5.35      
3 A 3176 3047 2.37      
4 A 3153 3025 7.27      
5 A 3116 2989 17.21      
6 A 3096 2971 2.55      
7 A 3053 2929 10.85      
8 A 1723 1653 5.44      
9 A 1526 1464 8.41      
10 A 1519 1457 15.17      
11 A 1501 1440 4.24      
12 A 1386 1330 4.18      
13 A 1359 1304 5.60      
14 A 1354 1299 17.91      
15 A 1296 1243 1.29      
16 A 1222 1173 0.40      
17 A 1155 1108 2.70      
18 A 1056 1013 14.42      
19 A 1038 996 2.69      
20 A 1008 967 5.40      
21 A 978 938 61.39      
22 A 921 884 20.82      
23 A 825 791 5.43      
24 A 678 651 16.01      
25 A 648 622 30.53      
26 A 466 447 2.42      
27 A 367 352 0.65      
28 A 254 244 2.14      
29 A 124 119 2.37      
30 A 78 75 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 22248.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 21345.2 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 B3PW91/3-21G*
ABC
0.32864 0.06237 0.05628

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.216 -1.325 -0.417
C2 1.411 -0.421 0.212
H3 3.185 0.524 -0.452
C4 2.662 -0.407 -0.242
H5 0.283 0.861 1.520
C6 0.588 0.814 0.466
H7 -1.220 1.801 -0.260
H8 -0.421 0.742 -1.465
C9 -0.671 0.869 -0.410
H10 0.910 -1.367 0.414
H11 1.184 1.712 0.247
Cl12 -1.828 -0.475 0.015

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 Cl12
H12.11451.84951.08624.13953.50185.42924.31304.46352.45173.71335.1337
C22.11452.11751.33162.15141.50613.47622.74252.52691.08892.14533.2453
H31.84952.11751.08823.52542.76984.59073.75253.87203.08272.42945.1333
C41.08621.33161.08823.22132.50914.46653.51073.57322.10322.62904.4985
H54.13952.15143.52543.22131.09862.51263.06922.15282.56531.77732.9163
C63.50181.50612.76982.50911.09862.18422.18001.53482.20561.09932.7756
H75.42923.47624.59074.46652.51262.18421.79171.09213.87672.45912.3719
H84.31302.74253.75253.51073.06922.18001.79171.09163.12252.53942.3770
C94.46352.52693.87203.57322.15281.53481.09211.09162.85962.14111.8234
H102.45171.08893.08272.10322.56532.20563.87673.12252.85963.09532.9073
H113.71332.14532.42942.62901.77731.09932.45912.53942.14113.09533.7296
Cl125.13373.24535.13334.49852.91632.77562.37192.37701.82342.90733.7296

picture of 1-Butene, 4-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 C2 121.662 H1 C4 H3 116.554
C2 C4 H3 121.783 C2 C6 H5 110.392
C2 C6 C9 112.390 C2 C6 H11 109.863
C4 C2 C6 124.193 C4 C2 H10 120.331
H5 C6 C9 108.533 H5 C6 H11 107.923
C6 C2 H10 115.472 C6 C9 H7 111.389
C6 C9 H8 111.079 C6 C9 Cl12 111.197
H7 C9 H8 110.260 H7 C9 Cl12 106.154
H8 C9 Cl12 106.543 C9 C6 H11 107.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.213      
2 C -0.177      
3 H 0.202      
4 C -0.418      
5 H 0.252      
6 C -0.497      
7 H 0.265      
8 H 0.272      
9 C -0.512      
10 H 0.236      
11 H 0.236      
12 Cl -0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.405 1.575 -0.338 2.137
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.531 -1.296 -0.791
y -1.296 -35.405 -0.567
z -0.791 -0.567 -38.975
Traceless
 xyz
x -3.341 -1.296 -0.791
y -1.296 4.348 -0.567
z -0.791 -0.567 -1.008
Polar
3z2-r2-2.015
x2-y2-5.126
xy-1.296
xz-0.791
yz-0.567


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


<r2> (average value of r2) Å2
<r2> 198.292
(<r2>)1/2 14.082