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: B3LYP/6-31G(2df,p)

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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-616.835249
Energy at 298.15K-616.842314
HF Energy-616.835249
Nuclear repulsion energy204.866405
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 B3LYP/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' 3169 3058 7.97      
2 A' 3121 3012 15.84      
3 A' 3106 2997 15.59      
4 A' 3058 2951 18.65      
5 A' 3022 2916 28.41      
6 A' 1757 1695 0.84      
7 A' 1492 1440 9.41      
8 A' 1471 1420 1.20      
9 A' 1414 1365 1.66      
10 A' 1336 1289 0.17      
11 A' 1325 1278 35.21      
12 A' 1291 1246 11.36      
13 A' 1120 1081 0.15      
14 A' 1045 1009 11.33      
15 A' 910 878 10.42      
16 A' 706 681 20.32      
17 A' 582 562 6.19      
18 A' 332 321 1.43      
19 A' 169 163 0.78      
20 A" 3100 2992 6.13      
21 A" 3070 2963 19.28      
22 A" 1480 1429 4.95      
23 A" 1188 1147 2.06      
24 A" 1072 1034 0.49      
25 A" 1004 969 23.36      
26 A" 949 916 0.00      
27 A" 736 710 0.30      
28 A" 243 235 3.32      
29 A" 210 203 1.82      
30 A" 114 110 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 21795.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 21032.8 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 B3LYP/6-31G(2df,p)
ABC
0.35019 0.05966 0.05196

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.314 0.297 0.000
C2 0.000 1.016 0.000
C3 1.221 0.492 0.000
C4 2.492 1.287 0.000
Cl5 -1.194 -1.508 0.000
H6 -1.905 0.555 0.883
H7 -1.905 0.555 -0.883
H8 -0.120 2.100 0.000
H9 1.326 -0.590 0.000
H10 2.299 2.364 0.000
H11 3.104 1.050 0.879
H12 3.104 1.050 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10 H11 H12
C11.49772.54213.93211.80861.09361.09362.16272.78484.16194.56714.5671
C21.49771.32862.50632.79182.14962.14961.09112.08292.66463.22633.2263
C32.54211.32861.49913.13503.24893.24892.09441.08732.16012.15192.1519
C43.93212.50631.49914.62524.54384.54382.73562.20991.09391.09701.0970
Cl51.80862.79183.13504.62522.35422.35423.76452.68155.21405.07815.0781
H61.09362.14963.24894.54382.35421.76562.52033.54014.66065.03375.3330
H71.09362.14963.24894.54382.35421.76562.52033.54014.66065.33305.0337
H82.16271.09112.09442.73563.76452.52032.52033.05482.43323.50333.5033
H92.78482.08291.08732.20992.68153.54013.54013.05483.11022.57402.5740
H104.16192.66462.16011.09395.21404.66064.66062.43323.11021.77391.7739
H114.56713.22632.15191.09705.07815.03375.33303.50332.57401.77391.7571
H124.56713.22632.15191.09705.07815.33305.03373.50332.57401.77391.7571

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 128.068 C1 C2 H8 112.363
C2 C1 Cl5 114.889 C2 C1 H6 111.148
C2 C1 H7 111.148 C2 C3 C4 124.722
C2 C3 H9 118.783 C3 C2 H8 119.569
C3 C4 H10 111.880 C3 C4 H11 111.028
C3 C4 H12 111.028 C4 C3 H9 116.495
Cl5 C1 H6 105.775 Cl5 C1 H7 105.775
H6 C1 H7 107.659 H10 C4 H11 108.130
H10 C4 H12 108.130 H11 C4 H12 106.428
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.217      
2 C -0.055      
3 C -0.006      
4 C -0.429      
5 Cl -0.187      
6 H 0.156      
7 H 0.156      
8 H 0.091      
9 H 0.113      
10 H 0.119      
11 H 0.130      
12 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.338 1.977 0.000 2.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.408 -2.610 0.000
y -2.610 -38.372 0.000
z 0.000 0.000 -38.800
Traceless
 xyz
x 3.178 -2.610 0.000
y -2.610 -1.268 0.000
z 0.000 0.000 -1.910
Polar
3z2-r2-3.821
x2-y22.964
xy-2.610
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.393 0.622 0.000
y 0.622 8.814 0.000
z 0.000 0.000 5.564


<r2> (average value of r2) Å2
<r2> 210.831
(<r2>)1/2 14.520

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-616.837850
Energy at 298.15K-616.844878
HF Energy-616.837850
Nuclear repulsion energy200.597863
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 B3LYP/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 3161 3050 18.21      
2 A 3143 3033 1.45      
3 A 3133 3023 23.31      
4 A 3111 3002 5.58      
5 A 3085 2977 14.49      
6 A 3072 2964 17.02      
7 A 3023 2917 24.26      
8 A 1738 1677 14.29      
9 A 1490 1438 11.54      
10 A 1480 1428 1.70      
11 A 1479 1427 5.90      
12 A 1412 1362 1.46      
13 A 1342 1295 2.79      
14 A 1334 1287 0.66      
15 A 1268 1224 47.86      
16 A 1198 1156 3.41      
17 A 1115 1076 0.64      
18 A 1093 1055 2.37      
19 A 1070 1032 0.97      
20 A 1012 976 22.59      
21 A 951 918 9.33      
22 A 889 858 3.53      
23 A 804 776 10.03      
24 A 669 645 69.18      
25 A 492 475 1.46      
26 A 350 338 5.52      
27 A 276 266 1.83      
28 A 217 210 0.97      
29 A 158 153 2.62      
30 A 91 88 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 21825.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 21062.0 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 B3LYP/6-31G(2df,p)
ABC
0.48298 0.04881 0.04701

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.770 0.840 0.092
C2 0.524 0.201 0.452
C3 1.599 0.221 -0.334
C4 2.926 -0.388 -0.001
Cl5 -2.103 -0.407 -0.094
H6 -1.136 1.515 0.867
H7 -0.719 1.370 -0.859
H8 0.560 -0.298 1.418
H9 1.530 0.718 -1.302
H10 2.915 -0.869 0.980
H11 3.210 -1.140 -0.748
H12 3.721 0.369 -0.004

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10 H11 H12
C11.48702.48583.89611.83481.09111.08992.19562.69264.15834.52384.5163
C21.48701.33232.51482.75132.15752.15161.08812.08712.67293.23303.2334
C32.48581.33231.49763.76323.25622.64052.10251.09022.15622.14852.1519
C43.89612.51481.49765.03064.56974.13742.76082.20581.09341.09701.0970
Cl51.83482.75133.76325.03062.35602.37833.06453.99095.15335.40335.8760
H61.09112.15753.25624.56972.35601.78172.54293.52894.70245.34295.0660
H71.08992.15162.64054.13742.37831.78173.09872.38384.64854.66374.6312
H82.19561.08812.10252.76083.06452.54293.09873.06152.46293.52473.5293
H92.69262.08711.09022.20583.99093.52892.38383.06153.10632.56502.5701
H104.15832.67292.15621.09345.15334.70244.64852.46293.10631.77451.7747
H114.52383.23302.14851.09705.40335.34294.66373.52472.56501.77451.7577
H124.51633.23342.15191.09705.87605.06604.63123.52932.57011.77471.7577

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 123.597 C1 C2 H8 116.136
C2 C1 Cl5 111.407 C2 C1 H6 112.717
C2 C1 H7 112.301 C2 C3 C4 125.307
C2 C3 H9 118.643 C3 C2 H8 120.267
C3 C4 H10 111.702 C3 C4 H11 110.861
C3 C4 H12 111.133 C4 C3 H9 116.050
Cl5 C1 H6 104.372 Cl5 C1 H7 105.991
H6 C1 H7 109.555 H10 C4 H11 108.227
H10 C4 H12 108.236 H11 C4 H12 106.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.226      
2 C -0.016      
3 C -0.014      
4 C -0.427      
5 Cl -0.196      
6 H 0.153      
7 H 0.147      
8 H 0.098      
9 H 0.090      
10 H 0.126      
11 H 0.135      
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
  2.294 1.235 0.126 2.608
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.559 -1.944 -0.931
y -1.944 -37.391 -0.634
z -0.931 -0.634 -36.855
Traceless
 xyz
x -2.436 -1.944 -0.931
y -1.944 0.816 -0.634
z -0.931 -0.634 1.620
Polar
3z2-r23.240
x2-y2-2.168
xy-1.944
xz-0.931
yz-0.634


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.267 0.116 -0.768
y 0.116 6.629 -0.292
z -0.768 -0.292 6.931


<r2> (average value of r2) Å2
<r2> 232.210
(<r2>)1/2 15.238