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: B3LYPultrafine/cc-pVTZ

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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-616.918165
Energy at 298.15K-616.925248
HF Energy-616.918165
Nuclear repulsion energy205.184277
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/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' 3154 3049 7.49      
2 A' 3107 3003 16.18      
3 A' 3092 2989 17.38      
4 A' 3056 2954 18.01      
5 A' 3016 2915 29.15      
6 A' 1747 1689 0.81      
7 A' 1494 1444 12.49      
8 A' 1475 1426 2.16      
9 A' 1418 1370 2.25      
10 A' 1340 1296 1.71      
11 A' 1330 1285 26.25      
12 A' 1295 1252 10.54      
13 A' 1121 1083 0.29      
14 A' 1044 1010 12.38      
15 A' 912 881 10.52      
16 A' 701 678 19.26      
17 A' 581 562 6.82      
18 A' 335 324 1.36      
19 A' 170 164 0.76      
20 A" 3093 2990 5.01      
21 A" 3057 2955 19.14      
22 A" 1481 1431 6.44      
23 A" 1197 1157 2.23      
24 A" 1076 1040 0.74      
25 A" 995 962 34.05      
26 A" 951 919 0.15      
27 A" 739 715 0.50      
28 A" 241 233 4.20      
29 A" 207 200 1.97      
30 A" 115 111 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 21767.6 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 21042.8 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 B3LYPultrafine/cc-pVTZ
ABC
0.35115 0.05982 0.05209

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.310 0.297 0.000
C2 0.000 1.016 0.000
C3 1.218 0.493 0.000
C4 2.487 1.286 0.000
Cl5 -1.192 -1.508 0.000
H6 -1.897 0.555 0.880
H7 -1.897 0.555 -0.880
H8 -0.117 2.098 0.000
H9 1.320 -0.586 0.000
H10 2.296 2.359 0.000
H11 3.096 1.048 0.876
H12 3.096 1.048 -0.876

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10 H11 H12
C11.49462.53593.92391.80921.08931.08932.16052.77454.15424.55504.5550
C21.49461.32562.50162.79162.14202.14201.08822.07612.65993.21783.2178
C32.53591.32561.49633.13263.23813.23812.08761.08422.15512.14542.1454
C43.92392.50161.49634.61974.53134.53132.72752.20641.09011.09311.0931
Cl51.80922.79163.13264.61972.35162.35163.76312.67555.20795.06855.0685
H61.08932.14203.23814.53132.35161.76082.51533.52554.64925.01795.3164
H71.08932.14203.23814.53132.35161.76082.51533.52554.64925.31645.0179
H82.16051.08822.08762.72753.76312.51532.51533.04472.42693.49193.4919
H92.77452.07611.08422.20642.67553.52553.52553.04473.10312.56792.5679
H104.15422.65992.15511.09015.20794.64924.64922.42693.10311.76821.7682
H114.55503.21782.14541.09315.06855.01795.31643.49192.56791.76821.7518
H124.55503.21782.14541.09315.06855.31645.01793.49192.56791.76821.7518

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 127.999 C1 C2 H8 112.594
C2 C1 Cl5 115.007 C2 C1 H6 111.017
C2 C1 H7 111.017 C2 C3 C4 124.758
C2 C3 H9 118.627 C3 C2 H8 119.407
C3 C4 H10 111.907 C3 C4 H11 110.935
C3 C4 H12 110.935 C4 C3 H9 116.615
Cl5 C1 H6 105.759 Cl5 C1 H7 105.759
H6 C1 H7 107.854 H10 C4 H11 108.175
H10 C4 H12 108.175 H11 C4 H12 106.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.061      
2 C -0.178      
3 C -0.078      
4 C -0.272      
5 Cl -0.180      
6 H 0.120      
7 H 0.120      
8 H 0.114      
9 H 0.124      
10 H 0.091      
11 H 0.101      
12 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.316 1.941 0.000 1.966
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.993 -2.561 0.000
y -2.561 -38.939 0.000
z 0.000 0.000 -39.572
Traceless
 xyz
x 3.263 -2.561 0.000
y -2.561 -1.157 0.000
z 0.000 0.000 -2.106
Polar
3z2-r2-4.211
x2-y22.947
xy-2.561
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.173 0.642 0.000
y 0.642 9.562 0.000
z 0.000 0.000 6.172


<r2> (average value of r2) Å2
<r2> 210.689
(<r2>)1/2 14.515

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-616.920740
Energy at 298.15K-616.927785
HF Energy-616.920740
Nuclear repulsion energy200.890041
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/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 3149 3044 18.30      
2 A 3133 3029 2.45      
3 A 3121 3017 21.48      
4 A 3096 2993 6.94      
5 A 3082 2979 14.92      
6 A 3058 2956 16.92      
7 A 3017 2916 24.58      
8 A 1729 1672 14.29      
9 A 1492 1442 15.02      
10 A 1486 1436 2.87      
11 A 1480 1430 7.44      
12 A 1417 1370 2.09      
13 A 1348 1303 2.28      
14 A 1337 1293 0.35      
15 A 1272 1229 39.57      
16 A 1202 1162 3.63      
17 A 1119 1082 0.69      
18 A 1090 1054 2.12      
19 A 1073 1037 1.04      
20 A 1002 969 35.34      
21 A 955 923 9.81      
22 A 891 861 3.43      
23 A 806 779 8.90      
24 A 659 637 68.56      
25 A 496 479 1.54      
26 A 349 338 5.52      
27 A 279 270 2.10      
28 A 212 205 1.15      
29 A 158 153 2.54      
30 A 91 88 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 21798.3 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 21072.4 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/cc-pVTZ
ABC
0.48442 0.04893 0.04712

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.766 0.840 0.092
C2 0.525 0.202 0.450
C3 1.598 0.221 -0.334
C4 2.921 -0.389 -0.001
Cl5 -2.102 -0.406 -0.094
H6 -1.129 1.512 0.865
H7 -0.715 1.367 -0.856
H8 0.563 -0.297 1.413
H9 1.526 0.715 -1.300
H10 2.910 -0.867 0.978
H11 3.202 -1.139 -0.745
H12 3.713 0.365 -0.005

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10 H11 H12
C11.48342.48023.88751.83671.08681.08572.19202.68424.14814.51204.5051
C21.48341.32962.50942.75052.14992.14531.08512.08062.66633.22413.2251
C32.48021.32961.49473.76073.24662.63412.09571.08702.15062.14252.1457
C43.88752.50941.49475.02464.55714.12812.75122.20251.08961.09321.0931
Cl51.83672.75053.76075.02462.35442.37653.06383.98495.14585.39435.8671
H61.08682.14993.24664.55712.35441.77642.53673.51734.68825.32685.0516
H71.08572.14532.63414.12812.37651.77643.09102.37644.63644.65174.6200
H82.19201.08512.09572.75123.06382.53673.09103.05142.45343.51143.5172
H92.68422.08061.08702.20253.98493.51732.37643.05143.09902.55982.5656
H104.14812.66632.15061.08965.14584.68824.63642.45343.09901.76881.7689
H114.51203.22412.14251.09325.39435.32684.65173.51142.55981.76881.7522
H124.50513.22512.14571.09315.86715.05164.62003.51722.56561.76891.7522

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 123.603 C1 C2 H8 116.311
C2 C1 Cl5 111.431 C2 C1 H6 112.622
C2 C1 H7 112.314 C2 C3 C4 125.276
C2 C3 H9 118.509 C3 C2 H8 120.086
C3 C4 H10 111.690 C3 C4 H11 110.813
C3 C4 H12 111.075 C4 C3 H9 116.215
Cl5 C1 H6 104.336 Cl5 C1 H7 105.941
H6 C1 H7 109.702 H10 C4 H11 108.258
H10 C4 H12 108.268 H11 C4 H12 106.542
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 C -0.108      
3 C -0.092      
4 C -0.270      
5 Cl -0.189      
6 H 0.128      
7 H 0.120      
8 H 0.118      
9 H 0.110      
10 H 0.097      
11 H 0.103      
12 H 0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.254 1.189 0.111 2.551
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.117 -2.014 -0.963
y -2.014 -38.158 -0.724
z -0.963 -0.724 -37.433
Traceless
 xyz
x -2.321 -2.014 -0.963
y -2.014 0.617 -0.724
z -0.963 -0.724 1.705
Polar
3z2-r23.409
x2-y2-1.959
xy-2.014
xz-0.963
yz-0.724


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.087 0.190 -0.719
y 0.190 7.377 -0.236
z -0.719 -0.236 7.448


<r2> (average value of r2) Å2
<r2> 232.042
(<r2>)1/2 15.233