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

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-612.422738
Energy at 298.15K-612.429951
HF Energy-611.958522
Nuclear repulsion energy207.156146
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 QCISD/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' 3235 3135 1.76      
2 A' 3152 3055 1.28      
3 A' 3099 3004 21.23      
4 A' 3039 2945 7.51      
5 A' 3033 2940 13.53      
6 A' 1709 1656 21.64      
7 A' 1583 1534 4.01      
8 A' 1558 1510 9.74      
9 A' 1496 1450 2.65      
10 A' 1473 1428 7.45      
11 A' 1404 1361 3.50      
12 A' 1178 1142 68.51      
13 A' 1107 1073 1.87      
14 A' 997 967 0.35      
15 A' 855 828 7.36      
16 A' 634 614 28.96      
17 A' 408 396 3.37      
18 A' 345 334 3.15      
19 A' 243 236 0.95      
20 A" 3104 3008 27.26      
21 A" 3068 2973 2.40      
22 A" 1578 1529 6.83      
23 A" 1344 1303 0.04      
24 A" 1167 1131 0.81      
25 A" 949 920 50.48      
26 A" 838 812 1.12      
27 A" 704 682 0.47      
28 A" 423 410 6.15      
29 A" 265 257 0.09      
30 A" 90 87 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 22038.9 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 21360.1 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 QCISD/3-21G
ABC
0.26006 0.07446 0.05918

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.320 -0.772 0.000
H2 2.826 -1.747 0.000
H3 2.636 -0.217 0.894
H4 2.636 -0.217 -0.894
C5 0.780 -0.986 0.000
H6 0.484 -1.568 -0.885
H7 0.484 -1.568 0.885
C8 0.436 1.575 0.000
H9 1.503 1.791 0.000
C10 0.000 0.315 0.000
Cl11 -1.855 0.018 0.000
H12 -0.244 2.423 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 C10 Cl11 H12
C11.09891.09881.09881.55532.18902.18903.01002.69002.56224.24974.0966
H21.09891.78261.78262.18372.51082.51084.09313.77773.49865.00355.1785
H31.09881.78261.78822.19933.10282.54182.97552.47302.83424.58584.0080
H41.09881.78261.78822.19932.54183.10282.97552.47302.83424.58584.0080
C51.55532.18372.19932.19931.10071.10072.58362.86881.51612.81983.5587
H62.18902.51083.10282.54181.10071.77103.26613.62022.13642.96184.1524
H72.18902.51082.54183.10281.10071.77103.26613.62022.13642.96184.1524
C83.01004.09312.97552.97552.58363.26613.26611.08851.33352.76981.0865
H92.69003.77772.47302.47302.86883.62023.62021.08852.10633.79691.8574
C102.56223.49862.83422.83421.51612.13642.13641.33352.10631.87882.1220
Cl114.24975.00354.58584.58582.81982.96182.96182.76983.79691.87882.8942
H124.09665.17854.00804.00803.55874.15244.15241.08651.85742.12202.8942

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 109.827 C1 C5 H7 109.827
C1 C5 C10 113.059 H2 C1 H3 108.418
H2 C1 H4 108.418 H2 C1 C5 109.521
H3 C1 H4 108.924 H3 C1 C5 110.748
H4 C1 C5 110.748 C5 C10 C8 129.979
C5 C10 Cl11 111.875 H6 C5 H7 107.121
H6 C5 C10 108.409 H7 C5 C10 108.409
C8 C10 Cl11 118.146 H9 C8 C10 120.500
H9 C8 H12 117.299 C10 C8 H12 122.201
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability