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

using model chemistry: MP2/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-40.956119
Energy at 298.15K-40.963217
HF Energy-40.595038
Nuclear repulsion energy89.195283
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/CEP-31G
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' 3271 3160 14.04      
2 A' 3167 3061 5.76      
3 A' 3139 3033 50.97      
4 A' 3050 2947 22.36      
5 A' 3037 2935 36.93      
6 A' 1656 1601 28.64      
7 A' 1537 1485 4.55      
8 A' 1516 1465 7.63      
9 A' 1460 1411 3.17      
10 A' 1443 1394 4.39      
11 A' 1399 1352 5.81      
12 A' 1151 1113 64.75      
13 A' 1091 1054 3.07      
14 A' 1022 987 4.51      
15 A' 869 839 5.14      
16 A' 642 620 26.24      
17 A' 404 390 1.81      
18 A' 343 332 2.50      
19 A' 243 235 0.61      
20 A" 3147 3041 72.87      
21 A" 3110 3005 12.02      
22 A" 1527 1475 7.67      
23 A" 1298 1254 0.18      
24 A" 1147 1108 2.11      
25 A" 831 803 3.12      
26 A" 788 762 79.43      
27 A" 677 654 0.45      
28 A" 415 401 7.84      
29 A" 265 256 0.05      
30 A" 81 78 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 21861.8 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 21125.0 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 MP2/CEP-31G
ABC
0.25130 0.07340 0.05808

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.269 -0.966 0.000
H2 2.702 -1.990 0.000
H3 2.639 -0.434 0.901
H4 2.639 -0.434 -0.901
C5 0.702 -1.067 0.000
H6 0.359 -1.634 -0.893
H7 0.359 -1.634 0.893
C8 0.569 1.569 0.000
H9 1.662 1.679 0.000
C10 0.000 0.306 0.000
Cl11 -1.856 0.172 0.000
H12 -0.046 2.480 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 C10 Cl11 H12
C11.11111.11041.11041.57022.21192.21193.05332.71432.60174.27964.1514
H21.11111.79921.79922.20222.53232.53234.14963.81353.54575.04465.2464
H31.11041.79921.80262.22843.14022.57693.01892.49652.88564.62494.0633
H41.11041.79921.80262.22842.57693.14023.01892.49652.88564.62494.0633
C51.57022.20222.22842.22841.11231.11232.64002.90921.54262.84263.6248
H62.21192.53233.14022.57691.11231.78663.33243.67062.16622.99454.2291
H72.21192.53232.57693.14021.11231.78663.33243.67062.16622.99454.2291
C83.05334.14963.01893.01892.64003.33243.33241.09891.38532.79901.0981
H92.71433.81352.49652.49652.90923.67063.67061.09892.15573.82771.8860
C102.60173.54572.88562.88561.54262.16622.16621.38532.15571.86112.1738
Cl114.27965.04464.62494.62492.84262.99452.99452.79903.82771.86112.9334
H124.15145.24644.06334.06333.62484.22914.22911.09811.88602.17382.9334

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 109.911 C1 C5 H7 109.911
C1 C5 C10 113.403 H2 C1 H3 108.175
H2 C1 H4 108.175 H2 C1 C5 109.232
H3 C1 H4 108.531 H3 C1 C5 111.312
H4 C1 C5 111.312 C5 C10 C8 128.681
C5 C10 Cl11 112.934 H6 C5 H7 106.857
H6 C5 C10 108.265 H7 C5 C10 108.265
C8 C10 Cl11 118.385 H9 C8 C10 119.967
H9 C8 H12 118.289 C10 C8 H12 121.744
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability