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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-41.305024
Energy at 298.15K-41.312233
HF Energy-40.683930
Nuclear repulsion energy90.995524
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' 3310 3143 5.17      
2 A' 3213 3050 1.32      
3 A' 3189 3028 29.09      
4 A' 3098 2942 15.63      
5 A' 3092 2935 25.27      
6 A' 1699 1613 31.33      
7 A' 1536 1458 4.27      
8 A' 1504 1428 5.40      
9 A' 1450 1377 2.26      
10 A' 1434 1362 2.87      
11 A' 1394 1324 10.93      
12 A' 1164 1105 60.04      
13 A' 1098 1043 5.06      
14 A' 1034 981 6.26      
15 A' 891 846 6.06      
16 A' 695 660 25.66      
17 A' 420 398 0.90      
18 A' 360 341 2.39      
19 A' 254 241 0.37      
20 A" 3198 3036 40.58      
21 A" 3158 2998 7.57      
22 A" 1528 1451 7.82      
23 A" 1311 1245 0.29      
24 A" 1129 1072 2.09      
25 A" 815 774 1.65      
26 A" 778 739 74.50      
27 A" 692 657 0.84      
28 A" 418 397 5.90      
29 A" 282 267 0.08      
30 A" 93 88 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 22118.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 20999.4 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 MP2/CEP-31G*
ABC
0.26081 0.07778 0.06131

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 2.106 -1.169 0.000
H2 2.435 -2.223 0.000
H3 2.525 -0.679 0.896
H4 2.525 -0.679 -0.896
C5 0.564 -1.112 0.000
H6 0.163 -1.637 -0.886
H7 0.163 -1.637 0.886
C8 0.701 1.478 0.000
H9 1.794 1.460 0.000
C10 0.000 0.301 0.000
Cl11 -1.766 0.351 0.000
H12 0.192 2.445 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 C10 Cl11 H12
C11.10441.10361.10361.54352.18702.18702.99632.64722.56854.16014.0895
H21.10441.78751.78752.17612.50832.50834.08683.73853.50724.92695.1791
H31.10361.78751.79222.19923.11052.54942.96332.43182.85314.50334.0009
H41.10361.78751.79222.19922.54943.11052.96332.43182.85314.50334.0009
C51.54352.17612.19922.19921.10551.10552.59332.85101.52132.75123.5763
H62.18702.50833.11052.54941.10551.77203.28313.61112.13742.90824.1773
H72.18702.50832.54943.11051.10551.77203.28313.61112.13742.90824.1773
C82.99634.08682.96332.96332.59333.28313.28311.09281.36992.71301.0932
H92.64723.73852.43182.43182.85103.61113.61111.09282.13593.72921.8808
C102.56853.50722.85312.85311.52132.13742.13741.36992.13591.76702.1524
Cl114.16014.92694.50334.50332.75122.90822.90822.71303.72921.76702.8671
H124.08955.17914.00094.00093.57634.17734.17731.09321.88082.15242.8671

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 110.198 C1 C5 H7 110.198
C1 C5 C10 113.867 H2 C1 H3 108.101
H2 C1 H4 108.101 H2 C1 C5 109.414
H3 C1 H4 108.574 H3 C1 C5 111.273
H4 C1 C5 111.273 C5 C10 C8 127.443
C5 C10 Cl11 113.365 H6 C5 H7 106.543
H6 C5 C10 107.868 H7 C5 C10 107.868
C8 C10 Cl11 119.192 H9 C8 C10 119.868
H9 C8 H12 118.719 C10 C8 H12 121.413
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability