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All results from a given calculation for CH3CHFCl (Ethane, 1-chloro-1-fluoro-)

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 C1 1A
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-52.399569
Energy at 298.15K-52.404507
HF Energy-51.857650
Nuclear repulsion energy69.892667
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 3227 3064 20.02      
2 A 3213 3050 16.79      
3 A 3188 3027 22.49      
4 A 3108 2951 9.60      
5 A 1512 1435 4.47      
6 A 1509 1432 2.46      
7 A 1454 1380 26.55      
8 A 1386 1316 11.35      
9 A 1347 1278 58.64      
10 A 1163 1104 19.57      
11 A 1147 1089 124.56      
12 A 1060 1007 27.63      
13 A 924 877 66.37      
14 A 722 685 56.50      
15 A 476 452 8.61      
16 A 379 360 2.89      
17 A 326 309 1.36      
18 A 263 250 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 13200.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 12532.8 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
0.29431 0.15199 0.10861

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.401 0.102 0.395
C2 1.272 -1.047 -0.114
H3 0.427 0.228 1.488
F4 0.842 1.297 -0.167
Cl5 -1.323 -0.133 -0.057
H6 1.194 -1.112 -1.211
H7 2.319 -0.848 0.172
H8 0.941 -1.998 0.335

Atom - Atom Distances (Å)
  C1 C2 H3 F4 Cl5 H6 H7 H8
C11.52811.10081.39211.79802.16312.15192.1685
C21.52812.21442.38332.75141.10181.10391.1022
H31.10082.21442.01372.36223.10912.54402.5586
F41.39212.38332.01372.59672.64832.62643.3340
Cl51.79802.75142.36222.59672.93683.71882.9592
H62.16311.10183.10912.64832.93681.80171.7998
H72.15191.10392.54402.62643.71881.80171.8022
H82.16851.10222.55863.33402.95921.79981.8022

picture of Ethane, 1-chloro-1-fluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.604 C1 C2 H7 108.614
C1 C2 H8 110.008 C2 C1 H3 113.784
C2 C1 F4 109.310 C2 C1 Cl5 111.368
H3 C1 F4 107.178 H3 C1 Cl5 106.670
F4 C1 Cl5 108.306 H6 C2 H7 109.542
H6 C2 H8 109.495 H7 C2 H8 109.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability