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 CHClCHCH2CH3 ((Z)-1-Chloro-1-butene)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-616.399718
Energy at 298.15K-616.406766
Nuclear repulsion energy202.204027
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 PBEPBE/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' 3167 3124 8.34      
2 A' 3107 3065 7.80      
3 A' 3073 3031 24.38      
4 A' 2988 2947 18.78      
5 A' 2954 2914 25.73      
6 A' 1658 1636 15.49      
7 A' 1474 1453 5.22      
8 A' 1434 1414 2.41      
9 A' 1377 1358 7.81      
10 A' 1333 1315 19.70      
11 A' 1283 1266 0.90      
12 A' 1222 1206 5.07      
13 A' 1084 1070 2.66      
14 A' 1018 1004 7.40      
15 A' 881 869 8.76      
16 A' 817 805 65.26      
17 A' 510 503 2.48      
18 A' 320 316 1.05      
19 A' 178 176 0.39      
20 A" 3063 3021 25.69      
21 A" 2980 2939 14.05      
22 A" 1464 1444 6.85      
23 A" 1252 1235 0.03      
24 A" 1066 1051 1.24      
25 A" 936 923 36.84      
26 A" 797 786 8.75      
27 A" 701 691 0.32      
28 A" 292 288 0.90      
29 A" 194 192 0.49      
30 A" 149 147 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 21385.9 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 21092.9 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 PBEPBE/6-31G**
ABC
0.47337 0.05226 0.04790

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.915 -1.711 0.000
H2 2.457 -2.670 0.000
H3 2.234 -1.146 0.891
H4 2.234 -1.146 -0.891
C5 0.402 -1.947 0.000
H6 0.122 -2.564 -0.877
H7 0.122 -2.564 0.877
C8 0.000 0.544 0.000
Cl9 -1.047 1.948 0.000
H10 1.057 0.814 0.000
C11 -0.464 -0.714 0.000
H12 -1.548 -0.874 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 Cl9 H10 C11 H12
C11.10101.10261.10261.53092.17042.17042.95844.70812.66652.57943.5630
H21.10101.77901.77902.17792.49652.49654.04505.79693.75393.51524.3892
H31.10261.77901.78272.18913.09812.54412.93994.59772.45372.87423.8957
H41.10261.77901.78272.18912.54413.09812.93994.59772.45372.87423.8957
C51.53092.17792.18912.18911.10791.10792.52324.15642.83741.50732.2263
H62.17042.49653.09812.54411.10791.75333.23114.74283.61262.12952.5323
H72.17042.49652.54413.09811.10791.75333.23114.74283.61262.12952.5323
C82.95844.04502.93992.93992.52323.23113.23111.75191.09131.34012.0995
Cl94.70815.79694.59774.59774.15644.74284.74281.75192.39102.72502.8667
H102.66653.75392.45372.45372.83743.61263.61261.09132.39102.15543.1046
C112.57943.51522.87422.87421.50732.12952.12951.34012.72502.15541.0964
H123.56304.38923.89573.89572.22632.53232.53232.09952.86673.10461.0964

picture of (Z)-1-Chloro-1-butene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.631 C1 C5 H7 109.631
C1 C5 C11 116.206 H2 C1 H3 107.666
H2 C1 H4 107.666 H2 C1 C5 110.622
H3 C1 H4 107.882 H3 C1 C5 111.418
H4 C1 C5 111.418 C5 C11 C8 124.685
C5 C11 H12 116.646 H6 C5 H7 104.607
H6 C5 C11 108.061 H7 C5 C11 108.061
C8 C11 H12 118.670 Cl9 C8 H10 112.388
Cl9 C8 C11 123.052 H10 C8 C11 124.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.382      
2 H 0.126      
3 H 0.132      
4 H 0.132      
5 C -0.250      
6 H 0.135      
7 H 0.135      
8 C -0.255      
9 Cl -0.019      
10 H 0.152      
11 C -0.024      
12 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.008 -1.932 0.000 2.179
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.031 1.313 0.000
y 1.313 -37.739 0.000
z 0.000 0.000 -39.235
Traceless
 xyz
x 1.456 1.313 0.000
y 1.313 0.394 0.000
z 0.000 0.000 -1.850
Polar
3z2-r2-3.700
x2-y20.708
xy1.313
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.811 -1.457 0.000
y -1.457 11.288 0.000
z 0.000 0.000 5.068


<r2> (average value of r2) Å2
<r2> 223.334
(<r2>)1/2 14.944