return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2FCH2CH3 (1-Fluoropropane)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS trans 1A'
1 2 yes C1 gauche 1A

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at CBS-Q
 hartrees
Energy at 0K-218.017889
Energy at 298.15K-218.011804
HF Energy-217.107995
Nuclear repulsion energy128.608102
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3265 3265 45.67      
2 A' 3219 3219 56.61      
3 A' 3204 3204 20.57      
4 A' 3185 3185 28.65      
5 A' 1665 1665 1.28      
6 A' 1647 1647 5.62      
7 A' 1629 1629 0.19      
8 A' 1583 1583 18.81      
9 A' 1553 1553 3.43      
10 A' 1456 1456 3.16      
11 A' 1227 1227 6.06      
12 A' 1169 1169 123.47      
13 A' 1105 1105 9.48      
14 A' 963 963 7.70      
15 A' 479 479 7.32      
16 A' 289 289 4.39      
17 A" 3277 3277 123.50      
18 A" 3250 3250 13.66      
19 A" 3231 3231 1.32      
20 A" 1636 1636 5.90      
21 A" 1435 1435 0.02      
22 A" 1387 1387 0.98      
23 A" 1303 1303 2.80      
24 A" 962 962 1.88      
25 A" 815 815 0.76      
26 A" 248 248 0.00      
27 A" 142 142 4.08      

Unscaled Zero Point Vibrational Energy (zpe) 22662.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22662.1 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 CBS-Q
ABC
0.90354 0.12455 0.11668

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.131 -0.790 0.000
C2 0.000 0.721 0.000
C3 -1.461 1.173 0.000
F4 1.457 -1.141 0.000
H5 -0.326 -1.229 0.883
H6 -0.326 -1.229 -0.883
H7 0.517 1.113 -0.874
H8 0.517 1.113 0.874
H9 -1.530 2.258 0.000
H10 -1.991 0.810 -0.880
H11 -1.991 0.810 0.880

Atom - Atom Distances (Å)
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C11.51662.52821.37071.08661.08662.12912.12913.47152.79942.7994
C21.51661.52992.36352.16522.16521.08841.08842.16882.17822.1782
C32.52821.52993.72402.80032.80032.16362.16361.08701.08901.0890
F41.37072.36353.72401.99071.99072.59302.59304.52434.05724.0572
H51.08662.16522.80031.99071.76503.04642.48893.79363.16792.6326
H61.08662.16522.80031.99071.76502.48893.04643.79362.63263.1679
H72.12911.08842.16362.59303.04642.48891.74832.50292.52573.0749
H82.12911.08842.16362.59302.48893.04641.74832.50293.07492.5257
H93.47152.16881.08704.52433.79363.79362.50292.50291.75611.7561
H102.79942.17821.08904.05723.16792.63262.52573.07491.75611.7592
H112.79942.17821.08904.05722.63263.16793.07492.52571.75611.7592

picture of 1-Fluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.171 C1 C2 H7 108.511
C1 C2 H8 108.511 C2 C1 F4 109.781
C2 C1 H5 111.490 C2 C1 H6 111.490
C2 C3 H9 110.803 C2 C3 H10 111.438
C2 C3 H11 111.438 C3 C2 H7 110.310
C3 C2 H8 110.310 F4 C1 H5 107.653
F4 C1 H6 107.653 H5 C1 H6 108.622
H7 C2 H8 106.858 H9 C3 H10 107.615
H9 C3 H11 107.615 H10 C3 H11 107.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-218.017893
Energy at 298.15K-218.011893
HF Energy-217.108456
Nuclear repulsion energy131.033892
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3280 3280 46.65 42.99 0.74 0.85
2 A 3275 3275 79.55 61.64 0.65 0.78
3 A 3256 3256 56.12 48.47 0.69 0.82
4 A 3232 3232 36.27 92.13 0.34 0.51
5 A 3220 3220 22.70 162.63 0.26 0.42
6 A 3193 3193 17.02 136.65 0.09 0.16
7 A 3188 3188 40.72 28.08 0.44 0.61
8 A 1663 1663 0.22 5.11 0.74 0.85
9 A 1644 1644 6.86 7.19 0.75 0.86
10 A 1632 1632 5.67 19.68 0.75 0.86
11 A 1616 1616 1.05 18.37 0.74 0.85
12 A 1571 1571 19.98 2.13 0.53 0.69
13 A 1555 1555 3.12 2.28 0.75 0.86
14 A 1506 1506 1.24 1.04 0.74 0.85
15 A 1417 1417 1.24 15.59 0.72 0.83
16 A 1391 1391 1.83 6.69 0.75 0.86
17 A 1285 1285 2.61 1.05 0.20 0.33
18 A 1224 1224 31.11 2.13 0.69 0.82
19 A 1173 1173 56.80 6.37 0.70 0.83
20 A 1061 1061 39.05 5.56 0.74 0.85
21 A 994 994 4.05 0.72 0.75 0.86
22 A 927 927 3.93 12.40 0.18 0.30
23 A 830 830 0.81 0.98 0.38 0.55
24 A 514 514 5.18 0.43 0.69 0.82
25 A 336 336 1.37 0.19 0.12 0.22
26 A 242 242 2.06 0.07 0.45 0.62
27 A 151 151 3.12 0.04 0.67 0.80

Unscaled Zero Point Vibrational Energy (zpe) 22688.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22688.0 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 CBS-Q
ABC
0.47603 0.17300 0.14470

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.809 0.502 0.295
C2 -0.587 0.663 -0.276
C3 -1.526 -0.478 0.117
F4 1.374 -0.658 -0.173
H5 1.457 1.322 0.001
H6 0.791 0.440 1.379
H7 -0.512 0.727 -1.361
H8 -0.984 1.617 0.070
H9 -2.512 -0.339 -0.321
H10 -1.137 -1.433 -0.224
H11 -1.648 -0.532 1.198

Atom - Atom Distances (Å)
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C11.51672.53871.37241.08591.08662.12982.12393.48052.79212.8143
C21.51671.52952.36702.16522.16541.08881.09012.17062.16722.1744
C32.53871.52952.92093.48622.79382.15972.16451.08761.08621.0891
F41.37242.36702.92091.98961.98912.62443.28633.90232.62833.3210
H51.08592.16523.48621.98961.76692.46682.46004.31433.79023.8092
H61.08662.16542.79381.98911.76693.04762.50023.79563.12942.6314
H72.12981.08882.15972.62442.46683.04761.75012.49302.51903.0695
H82.12391.09012.16453.28632.46002.50021.75012.51233.06772.5163
H93.48052.17061.08763.90234.31433.79562.49302.51231.76001.7587
H102.79212.16721.08622.62833.79023.12942.51903.06771.76001.7591
H112.81432.17441.08913.32103.80922.63143.06952.51631.75871.7591

picture of 1-Fluoropropane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.900 C1 C2 H7 108.537
C1 C2 H8 108.004 C2 C1 F4 109.926
C2 C1 H5 111.519 C2 C1 H6 111.494
C2 C3 H9 110.946 C2 C3 H10 110.759
C2 C3 H11 111.156 C3 C2 H7 110.005
C3 C2 H8 110.311 F4 C1 H5 107.489
F4 C1 H6 107.410 H5 C1 H6 108.835
H7 C2 H8 106.877 H9 C3 H10 108.122
H9 C3 H11 107.793 H10 C3 H11 107.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability