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 CH3CClCHCH3 (2-Butene, 2-chloro-, (Z)-)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-616.926557
Energy at 298.15K-616.933481
HF Energy-616.926557
Nuclear repulsion energy213.788381
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 B3LYPultrafine/aug-cc-pVTZ
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' 3135 3033 18.54      
2 A' 3119 3018 0.53      
3 A' 3103 3003 12.90      
4 A' 3026 2928 20.94      
5 A' 3019 2921 27.34      
6 A' 1729 1673 13.26      
7 A' 1494 1445 8.93      
8 A' 1484 1436 1.24      
9 A' 1419 1373 1.79      
10 A' 1415 1369 3.15      
11 A' 1325 1282 22.55      
12 A' 1162 1124 26.55      
13 A' 1093 1057 6.02      
14 A' 1044 1010 14.81      
15 A' 904 874 30.90      
16 A' 597 577 26.72      
17 A' 525 508 0.08      
18 A' 341 330 0.71      
19 A' 233 226 1.51      
20 A" 3077 2977 9.89      
21 A" 3056 2957 16.55      
22 A" 1488 1439 5.30      
23 A" 1471 1423 9.82      
24 A" 1075 1040 0.07      
25 A" 1066 1031 1.49      
26 A" 829 802 14.49      
27 A" 479 464 2.09      
28 A" 253 244 1.88      
29 A" 196 190 1.36      
30 A" 113 109 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 21635.1 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 20932.0 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.16341 0.11096 0.06774

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.308 2.635 0.000
Cl2 -1.285 -0.687 0.000
C3 1.865 -1.206 0.000
C4 -0.521 1.928 0.000
H5 -1.140 2.112 0.880
H6 -1.140 2.112 -0.880
C7 0.000 0.525 0.000
C8 1.279 0.170 0.000
H9 1.990 0.990 0.000
H10 1.097 -1.975 0.000
H11 2.499 -1.350 -0.878
H12 2.499 -1.350 0.878

Atom - Atom Distances (Å)
  H1 Cl2 C3 C4 H5 H6 C7 C8 H9 H10 H11 H12
H13.68434.14501.08931.77261.77262.13282.64992.35344.67794.63214.6321
Cl23.68433.19292.72462.93752.93751.76652.70373.67992.70883.94123.9412
C34.14503.19293.93924.56204.56202.54441.49552.19951.08691.09241.0924
C41.08932.72463.93921.09101.09101.49702.51642.68094.22594.54314.5431
H51.77262.93754.56201.09101.75922.14293.22433.43954.74195.32135.0228
H61.77262.93754.56201.09101.75922.14293.22433.43954.74195.02285.3213
C72.13281.76652.54441.49702.14292.14291.32742.04392.73053.24523.2452
C82.64992.70371.49552.51643.22433.22431.32741.08552.15302.13762.1376
H92.35343.67992.19952.68093.43953.43952.04391.08553.09692.55042.5504
H104.67792.70881.08694.22594.74194.74192.73052.15303.09691.76831.7683
H114.63213.94121.09244.54315.32135.02283.24522.13762.55041.76831.7554
H124.63213.94121.09244.54315.02285.32133.24522.13762.55041.76831.7554

picture of 2-Butene, 2-chloro-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H5 108.789 H1 C4 H6 108.789
H1 C4 C7 110.104 Cl2 C7 C4 112.941
Cl2 C7 C8 121.179 C3 C8 C7 128.579
C3 C8 H9 115.996 C4 C7 C8 125.880
H5 C4 H6 107.458 H5 C4 C7 110.812
H6 C4 C7 110.812 C7 C8 H9 115.424
C8 C3 H10 111.998 C8 C3 H11 110.411
C8 C3 H12 110.411 H10 C3 H11 108.468
H10 C3 H12 108.468 H11 C3 H12 106.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.217      
2 Cl -0.333      
3 C -0.658      
4 C -0.694      
5 H 0.223      
6 H 0.223      
7 C 0.816      
8 C -0.437      
9 H 0.048      
10 H 0.201      
11 H 0.197      
12 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.375 1.102 0.000 1.762
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.753 -1.130 0.000
y -1.130 -36.498 0.000
z 0.000 0.000 -39.751
Traceless
 xyz
x 0.372 -1.130 0.000
y -1.130 2.253 0.000
z 0.000 0.000 -2.625
Polar
3z2-r2-5.250
x2-y2-1.255
xy-1.130
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.178 -0.679 0.000
y -0.679 10.458 0.000
z 0.000 0.000 7.378


<r2> (average value of r2) Å2
<r2> 172.798
(<r2>)1/2 13.145