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All results from a given calculation for CH2CClCH2CH3 (1-Butene, 2-chloro-)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-612.371165
Energy at 298.15K-612.378446
HF Energy-611.959390
Nuclear repulsion energy207.791458
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 MP2/3-21G
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' 3293 3144 0.97      
2 A' 3203 3057 0.92      
3 A' 3166 3022 17.83      
4 A' 3094 2953 10.04      
5 A' 3091 2951 7.90      
6 A' 1706 1629 25.48      
7 A' 1608 1535 4.30      
8 A' 1578 1506 11.68      
9 A' 1514 1445 1.87      
10 A' 1490 1422 8.26      
11 A' 1416 1352 3.23      
12 A' 1189 1135 74.07      
13 A' 1120 1069 1.90      
14 A' 1013 966 0.34      
15 A' 868 828 8.11      
16 A' 645 616 28.44      
17 A' 414 395 3.73      
18 A' 349 334 3.21      
19 A' 247 235 0.88      
20 A" 3172 3028 22.25      
21 A" 3129 2986 2.72      
22 A" 1601 1528 7.26      
23 A" 1360 1298 0.04      
24 A" 1184 1130 0.82      
25 A" 951 908 57.85      
26 A" 852 813 1.37      
27 A" 719 686 0.54      
28 A" 432 412 6.48      
29 A" 271 259 0.09      
30 A" 92 88 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 22382.5 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 21364.1 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 MP2/3-21G
ABC
0.26199 0.07488 0.05954

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.310 -0.775 0.000
H2 2.813 -1.748 0.000
H3 2.625 -0.222 0.891
H4 2.625 -0.222 -0.891
C5 0.775 -0.985 0.000
H6 0.479 -1.566 -0.882
H7 0.479 -1.566 0.882
C8 0.442 1.568 0.000
H9 1.507 1.774 0.000
C10 0.000 0.311 0.000
Cl11 -1.851 0.025 0.000
H12 -0.231 2.416 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 C10 Cl11 H12
C11.09481.09441.09441.55012.18142.18142.99632.67222.55274.23714.0792
H21.09481.77621.77622.17602.50152.50154.07573.75563.48554.98885.1575
H31.09441.77621.78132.19093.09122.53222.96022.45512.82304.57033.9891
H41.09441.77621.78132.19092.53223.09122.96022.45512.82304.57033.9891
C51.55012.17602.19092.19091.09701.09702.57472.85481.50992.81283.5467
H62.18142.50153.09122.53221.09701.76473.25633.60462.12882.95594.1401
H72.18142.50152.53223.09121.09701.76473.25633.60462.12882.95594.1401
C82.99634.07572.96022.96022.57473.25633.25631.08471.33272.76401.0829
H92.67223.75562.45512.45512.85483.60463.60461.08472.10073.78631.8534
C102.55273.48552.82302.82301.50992.12882.12881.33272.10071.87262.1176
Cl114.23714.98884.57034.57032.81282.95592.95592.76403.78631.87262.8878
H124.07925.15753.98913.98913.54674.14014.14011.08291.85342.11762.8878

picture of 1-Butene, 2-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.805 C1 C5 H7 109.805
C1 C5 C10 113.063 H2 C1 H3 108.453
H2 C1 H4 108.453 H2 C1 C5 109.516
H3 C1 H4 108.946 H3 C1 C5 110.707
H4 C1 C5 110.707 C5 C10 C8 129.748
C5 C10 Cl11 112.076 H6 C5 H7 107.085
H6 C5 C10 108.447 H7 C5 C10 108.447
C8 C10 Cl11 118.176 H9 C8 C10 120.334
H9 C8 H12 117.526 C10 C8 H12 122.140
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.540     -0.254
2 H 0.197     0.075
3 H 0.193     0.077
4 H 0.193     0.077
5 C -0.411     0.096
6 H 0.225     0.035
7 H 0.225     0.035
8 C -0.357     -0.384
9 H 0.207     0.177
10 C -0.152     0.057
11 Cl 0.002     -0.183
12 H 0.218     0.191


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.484 0.022 0.000 2.484
CHELPG        
AIM        
ESP 2.553 0.046 0.000 2.553


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.743 -0.171 0.000
y -0.171 -36.465 0.000
z 0.000 0.000 -40.787
Traceless
 xyz
x -2.117 -0.171 0.000
y -0.171 4.300 0.000
z 0.000 0.000 -2.183
Polar
3z2-r2-4.366
x2-y2-4.278
xy-0.171
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.083 0.508 0.000
y 0.508 7.433 0.000
z 0.000 0.000 4.023


<r2> (average value of r2) Å2
<r2> 188.957
(<r2>)1/2 13.746