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

using model chemistry: HF/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 HF/CEP-31G
 hartrees
Energy at 0K-40.600223
Energy at 298.15K-40.607703
Nuclear repulsion energy90.774687
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 HF/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' 3464 3122 12.52      
2 A' 3369 3037 4.22      
3 A' 3297 2971 73.64      
4 A' 3237 2917 23.96      
5 A' 3214 2897 48.65      
6 A' 1850 1667 45.25      
7 A' 1643 1481 4.25      
8 A' 1630 1470 7.82      
9 A' 1569 1415 4.54      
10 A' 1555 1402 4.89      
11 A' 1512 1363 14.60      
12 A' 1241 1118 83.27      
13 A' 1179 1063 3.07      
14 A' 1099 990 3.90      
15 A' 929 838 8.29      
16 A' 681 613 53.96      
17 A' 440 397 3.73      
18 A' 368 332 4.20      
19 A' 260 234 0.86      
20 A" 3306 2980 111.15      
21 A" 3277 2954 2.37      
22 A" 1637 1476 8.93      
23 A" 1403 1265 0.43      
24 A" 1225 1104 1.81      
25 A" 1084 977 81.98      
26 A" 881 794 0.67      
27 A" 759 684 0.07      
28 A" 462 417 13.41      
29 A" 275 248 0.10      
30 A" 95 85 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 23469.5 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 21155.4 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 HF/CEP-31G
ABC
0.26019 0.07584 0.06003

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.635 -1.973 0.000
H2 0.204 -2.974 0.000
H3 1.266 -1.881 0.884
H4 1.266 -1.881 -0.884
C5 -0.497 -0.924 0.000
H6 -1.134 -1.063 -0.873
H7 -1.134 -1.063 0.873
C8 1.260 0.987 0.000
H9 2.095 0.305 0.000
C10 0.000 0.514 0.000
Cl11 -1.375 1.729 0.000
H12 1.472 2.042 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 C10 Cl11 H12
C11.08951.08961.08961.54402.17242.17243.02492.70512.56764.21274.1016
H21.08951.76141.76142.16652.48992.48994.09863.78443.49414.96045.1736
H31.08961.76141.76742.19243.08432.53543.00102.49912.85034.55964.0270
H41.08961.76141.76742.19242.53543.08433.00102.49912.85034.55964.0270
C51.54402.16652.19242.19241.08931.08932.59522.86781.52162.79393.5598
H62.17242.48993.08432.53541.08931.74543.27003.61322.13002.93524.1468
H72.17242.48992.53543.08431.08931.74543.27003.61322.13002.93524.1468
C83.02494.09863.00103.00102.59523.27003.27001.07791.34532.73771.0767
H92.70513.78442.49912.49912.86783.61323.61321.07792.10503.75081.8457
C102.56763.49412.85032.85031.52162.13002.13001.34532.10501.83462.1214
Cl114.21274.96044.55964.55962.79392.93522.93522.73773.75081.83462.8646
H124.10165.17364.02704.02703.55984.14684.14681.07671.84572.12142.8646

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 109.966 C1 C5 H7 109.966
C1 C5 C10 113.766 H2 C1 H3 107.860
H2 C1 H4 107.860 H2 C1 C5 109.497
H3 C1 H4 108.401 H3 C1 C5 111.542
H4 C1 C5 111.542 C5 C10 C8 129.604
C5 C10 Cl11 112.372 H6 C5 H7 106.474
H6 C5 C10 108.194 H7 C5 C10 108.194
C8 C10 Cl11 118.024 H9 C8 C10 120.212
H9 C8 H12 117.882 C10 C8 H12 121.906
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.345      
2 H 0.135      
3 H 0.106      
4 H 0.106      
5 C 0.040      
6 H 0.112      
7 H 0.112      
8 C -0.342      
9 H 0.194      
10 C -0.257      
11 Cl -0.062      
12 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.782 -2.209 0.000 2.838
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.479 3.785 0.000
y 3.785 -39.367 0.000
z 0.000 0.000 -39.626
Traceless
 xyz
x 1.017 3.785 0.000
y 3.785 -0.314 0.000
z 0.000 0.000 -0.703
Polar
3z2-r2-1.406
x2-y20.888
xy3.785
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.700 -0.712 0.000
y -0.712 7.937 0.000
z 0.000 0.000 4.133


<r2> (average value of r2) Å2
<r2> 129.408
(<r2>)1/2 11.376