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 CH2ClCHCHCH3 (2-Butene, 1-chloro-)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-616.827824
Energy at 298.15K-616.834854
HF Energy-616.827824
Nuclear repulsion energy205.554069
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 wB97X-D/TZVP
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' 3194 3050 6.54      
2 A' 3152 3010 13.65      
3 A' 3135 2994 17.48      
4 A' 3091 2951 16.50      
5 A' 3046 2909 26.78      
6 A' 1786 1705 1.02      
7 A' 1499 1432 15.86      
8 A' 1479 1412 3.79      
9 A' 1429 1365 4.10      
10 A' 1368 1306 2.77      
11 A' 1346 1286 27.60      
12 A' 1323 1264 6.78      
13 A' 1135 1084 0.26      
14 A' 1063 1015 11.92      
15 A' 933 891 9.55      
16 A' 731 698 20.85      
17 A' 599 572 4.87      
18 A' 346 330 1.15      
19 A' 187 178 0.82      
20 A" 3141 3000 4.22      
21 A" 3106 2967 16.71      
22 A" 1485 1418 9.33      
23 A" 1217 1162 3.18      
24 A" 1079 1031 0.96      
25 A" 992 947 45.04      
26 A" 956 913 0.14      
27 A" 736 703 0.40      
28 A" 238 227 6.21      
29 A" 175 167 0.65      
30 A" 74 71 1.85      

Unscaled Zero Point Vibrational Energy (zpe) 22019.8 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 21028.9 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 wB97X-D/TZVP
ABC
0.35166 0.06016 0.05237

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.312 0.299 0.000
C2 0.000 1.016 0.000
C3 1.211 0.483 0.000
C4 2.482 1.273 0.000
Cl5 -1.186 -1.498 0.000
H6 -1.892 0.566 0.883
H7 -1.892 0.566 -0.883
H8 -0.115 2.099 0.000
H9 1.313 -0.599 0.000
H10 2.291 2.347 0.000
H11 3.085 1.031 0.879
H12 3.085 1.031 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10 H11 H12
C11.49532.52943.91761.80091.08961.08962.16202.77454.14434.54364.5436
C21.49531.32282.49572.77942.13562.13561.08912.08122.64933.20793.2079
C32.52941.32281.49723.10903.22673.22672.09011.08622.15452.14162.1416
C43.91762.49571.49724.59714.51814.51812.72532.20651.09111.09281.0928
Cl51.80092.77943.10904.59712.35322.35323.75282.65625.18355.04065.0406
H61.08962.13563.22674.51812.35321.76602.50743.52274.63084.99865.3000
H71.08962.13563.22674.51812.35321.76602.50743.52274.63085.30004.9986
H82.16201.08912.09012.72533.75282.50742.50743.05212.41813.48603.4860
H92.77452.08121.08622.20652.65623.52273.52273.05213.10342.56252.5625
H104.14432.64932.15451.09115.18354.63084.63082.41813.10341.77081.7708
H114.54363.20792.14161.09285.04064.99865.30003.48602.56251.77081.7577
H124.54363.20792.14161.09285.04065.30004.99863.48602.56251.77081.7577

picture of 2-Butene, 1-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 127.570 C1 C2 H8 112.614
C2 C1 Cl5 114.644 C2 C1 H6 110.433
C2 C1 H7 110.433 C2 C3 C4 124.381
C2 C3 H9 119.197 C3 C2 H8 119.816
C3 C4 H10 111.729 C3 C4 H11 110.585
C3 C4 H12 110.585 C4 C3 H9 116.422
Cl5 C1 H6 106.387 Cl5 C1 H7 106.387
H6 C1 H7 108.264 H10 C4 H11 108.359
H10 C4 H12 108.359 H11 C4 H12 107.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 C -0.226      
3 C -0.057      
4 C -0.399      
5 Cl -0.138      
6 H 0.158      
7 H 0.158      
8 H 0.148      
9 H 0.157      
10 H 0.127      
11 H 0.131      
12 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.309 2.033 0.000 2.056
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.526 -2.683 0.000
y -2.683 -38.623 0.000
z 0.000 0.000 -39.516
Traceless
 xyz
x 3.544 -2.683 0.000
y -2.683 -1.102 0.000
z 0.000 0.000 -2.442
Polar
3z2-r2-4.884
x2-y23.097
xy-2.683
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.632 0.325 0.000
y 0.325 9.067 0.000
z 0.000 0.000 6.111


<r2> (average value of r2) Å2
<r2> 209.578
(<r2>)1/2 14.477

Conformer 2 (C1)

Jump to S1C1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-616.829853
Energy at 298.15K-616.836997
HF Energy-616.829853
Nuclear repulsion energy 
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 wB97X-D/TZVP
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 3189 3045 14.66      
2 A 3174 3031 2.93      
3 A 3160 3018 25.75      
4 A 3142 3000 4.16      
5 A 3117 2977 13.72      
6 A 3116 2976 16.24      
7 A 3055 2918 23.09      
8 A 1766 1687 12.69      
9 A 1503 1436 17.37      
10 A 1494 1427 8.25      
11 A 1492 1424 5.98      
12 A 1429 1365 3.51      
13 A 1360 1299 6.56      
14 A 1349 1288 1.46      
15 A 1300 1242 38.04      
16 A 1216 1161 2.93      
17 A 1134 1083 0.70      
18 A 1105 1055 2.17      
19 A 1086 1038 1.30      
20 A 1017 971 45.37      
21 A 963 920 10.83      
22 A 903 862 2.60      
23 A 822 785 13.02      
24 A 711 679 57.59      
25 A 503 481 1.73      
26 A 362 345 3.57      
27 A 281 268 2.14      
28 A 220 210 1.06      
29 A 171 163 2.73      
30 A 94 89 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 22116.7 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 21121.5 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 wB97X-D/TZVP
ABC
0.48996 0.04912 0.04733

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.769 0.831 0.105
C2 0.522 0.182 0.450
C3 1.596 0.233 -0.327
C4 2.917 -0.386 -0.008
Cl5 -2.097 -0.400 -0.100
H6 -1.117 1.496 0.893
H7 -0.710 1.377 -0.833
H8 0.557 -0.347 1.398
H9 1.527 0.757 -1.278
H10 2.899 -0.892 0.958
H11 3.197 -1.115 -0.772
H12 3.706 0.370 0.015

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10 H11 H12
C11.48552.47723.88371.82261.08781.08742.19532.68184.14144.50374.4992
C21.48551.32642.50392.73862.14702.14331.08652.08042.65753.21393.2190
C32.47721.32641.49393.75363.23162.62362.09551.08832.14852.13962.1420
C43.88372.50391.49395.01554.54194.11712.74722.20321.09061.09301.0929
Cl51.82262.73863.75365.01552.35372.37083.04843.98325.13085.38415.8551
H61.08782.14703.23164.54192.35371.77712.54103.50014.67285.31025.0296
H71.08742.14332.62364.11712.37081.77713.09182.36414.62454.63464.6079
H82.19531.08652.09552.74723.04842.54103.09183.05352.44413.50223.5131
H92.68182.08041.08832.20323.98323.50012.36413.05353.09912.55922.5625
H104.14142.65752.14851.09065.13084.67284.62452.44413.09911.77021.7706
H114.50373.21392.13961.09305.38415.31024.63463.50222.55921.77021.7568
H124.49923.21902.14201.09295.85515.02964.60793.51312.56251.77061.7568

picture of 2-Butene, 1-chloro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.423 C1 C2 H8 116.337
C2 C1 Cl5 111.351 C2 C1 H6 112.170
C2 C1 H7 111.891 C2 C3 C4 125.100
C2 C3 H9 118.655 C3 C2 H8 120.238
C3 C4 H10 111.517 C3 C4 H11 110.651
C3 C4 H12 110.847 C4 C3 H9 116.245
Cl5 C1 H6 105.126 Cl5 C1 H7 106.363
H6 C1 H7 109.570 H10 C4 H11 108.330
H10 C4 H12 108.370 H11 C4 H12 106.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.245      
2 C -0.131      
3 C -0.109      
4 C -0.391      
5 Cl -0.147      
6 H 0.164      
7 H 0.162      
8 H 0.157      
9 H 0.143      
10 H 0.132      
11 H 0.134      
12 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.261 1.246 0.118 2.585
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.909 -2.093 -1.053
y -2.093 -37.875 -0.887
z -1.053 -0.887 -37.156
Traceless
 xyz
x -2.393 -2.093 -1.053
y -2.093 0.657 -0.887
z -1.053 -0.887 1.736
Polar
3z2-r23.471
x2-y2-2.033
xy-2.093
xz-1.053
yz-0.887


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.261 0.365 -0.861
y 0.365 7.158 -0.136
z -0.861 -0.136 7.234


<r2> (average value of r2) Å2
<r2> 230.952
(<r2>)1/2 15.197