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: MP2/LANL2DZ

19 10 17 12 22

States and conformations

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

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-217.457812
Energy at 298.15K-217.465569
HF Energy-217.081126
Nuclear repulsion energy124.540854
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/LANL2DZ
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' 3133 3017 41.68      
2 A' 3082 2969 52.86      
3 A' 3061 2948 16.42      
4 A' 3021 2910 31.92      
5 A' 1552 1495 6.16      
6 A' 1546 1488 4.24      
7 A' 1537 1480 1.59      
8 A' 1465 1411 11.54      
9 A' 1439 1386 7.41      
10 A' 1369 1319 1.36      
11 A' 1159 1116 0.51      
12 A' 1048 1009 6.07      
13 A' 956 921 64.79      
14 A' 894 861 19.93      
15 A' 426 411 7.91      
16 A' 258 248 6.26      
17 A" 3166 3049 69.79      
18 A" 3129 3013 34.91      
19 A" 3109 2994 6.18      
20 A" 1544 1487 9.99      
21 A" 1333 1284 0.59      
22 A" 1280 1233 0.01      
23 A" 1178 1134 1.24      
24 A" 924 890 1.51      
25 A" 798 768 2.94      
26 A" 228 219 0.00      
27 A" 121 116 5.72      

Unscaled Zero Point Vibrational Energy (zpe) 21377.3 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 20588.5 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/LANL2DZ
ABC
0.86818 0.11786 0.11041

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 -0.794 0.000
C2 0.000 0.744 0.000
C3 -1.491 1.215 0.000
F4 1.519 -1.198 0.000
H5 -0.350 -1.242 0.906
H6 -0.350 -1.242 -0.906
H7 0.523 1.132 -0.893
H8 0.523 1.132 0.893
H9 -1.548 2.317 0.000
H10 -2.024 0.845 -0.896
H11 -2.024 0.845 0.896

Atom - Atom Distances (Å)
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C11.54102.55571.48681.10171.10172.16712.16713.51532.81932.8193
C21.54101.56392.46532.21152.21151.10461.10462.20692.21532.2153
C32.55571.56393.85792.85752.85752.20442.20441.10361.10571.1057
F41.48682.46533.85792.07722.07722.68642.68644.66474.18634.1863
H51.10172.21152.85752.07721.81263.10402.52973.86393.22612.6759
H61.10172.21152.85752.07721.81262.52973.10403.86392.67593.2261
H72.16711.10462.20442.68643.10402.52971.78502.54712.56233.1246
H82.16711.10462.20442.68642.52973.10401.78502.54713.12462.5623
H93.51532.20691.10364.66473.86393.86392.54712.54711.78781.7878
H102.81932.21531.10574.18633.22612.67592.56233.12461.78781.7915
H112.81932.21531.10574.18632.67593.22613.12462.56231.78781.7915

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 110.798 C1 C2 H7 108.881
C1 C2 H8 108.881 C2 C1 F4 109.008
C2 C1 H5 112.554 C2 C1 H6 112.554
C2 C3 H9 110.460 C2 C3 H10 110.992
C2 C3 H11 110.992 C3 C2 H7 110.206
C3 C2 H8 110.206 F4 C1 H5 105.774
F4 C1 H6 105.774 H5 C1 H6 110.706
H7 C2 H8 107.800 H9 C3 H10 108.035
H9 C3 H11 108.035 H10 C3 H11 108.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-217.457810
Energy at 298.15K 
HF Energy-217.080980
Nuclear repulsion energy126.899087
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/LANL2DZ
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 3166 3049 49.82      
2 A 3144 3028 33.99      
3 A 3125 3010 57.85      
4 A 3101 2987 18.59      
5 A 3083 2970 40.39      
6 A 3038 2926 25.04      
7 A 3026 2914 35.85      
8 A 1550 1493 6.27      
9 A 1546 1489 8.15      
10 A 1535 1479 5.07      
11 A 1512 1456 5.39      
12 A 1462 1408 8.27      
13 A 1425 1372 3.65      
14 A 1423 1370 6.26      
15 A 1315 1267 0.36      
16 A 1259 1213 0.61      
17 A 1174 1130 2.31      
18 A 1133 1091 4.27      
19 A 1083 1043 10.43      
20 A 953 918 14.20      
21 A 916 882 47.28      
22 A 867 835 10.74      
23 A 779 750 3.08      
24 A 463 446 5.47      
25 A 312 300 2.38      
26 A 213 205 2.83      
27 A 130 125 4.17      

Unscaled Zero Point Vibrational Energy (zpe) 21367.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 20578.6 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/LANL2DZ
ABC
0.45368 0.16180 0.13617

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.787 0.566 0.318
C2 -0.617 0.660 -0.309
C3 -1.555 -0.507 0.129
F4 1.449 -0.676 -0.172
H5 1.448 1.390 0.011
H6 0.757 0.471 1.415
H7 -0.511 0.670 -1.409
H8 -1.055 1.633 -0.007
H9 -2.543 -0.413 -0.355
H10 -1.116 -1.478 -0.157
H11 -1.706 -0.501 1.225

Atom - Atom Distances (Å)
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C11.54102.58301.49021.10091.10192.16322.15353.53532.83282.8591
C21.54101.56022.46472.21422.21331.10541.10862.20472.20102.2105
C32.58301.56023.02393.55462.82082.20062.20211.10431.10291.1058
F41.49022.46473.02392.07442.07762.68023.41024.00482.68793.4548
H51.10092.21423.55462.07441.81572.52462.51524.39483.85143.8732
H61.10192.21332.82082.07761.81573.10262.57993.84763.12722.6547
H72.16321.10542.20062.68022.52463.10261.78612.53222.55923.1204
H82.15351.10862.20213.41022.51522.57991.78612.55333.11522.5487
H93.53532.20471.10434.00484.39483.84762.53222.55331.79161.7899
H102.83282.20101.10292.68793.85143.12722.55923.11521.79161.7914
H112.85912.21051.10583.45483.87322.65473.12042.54871.78991.7914

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 112.793 C1 C2 H7 108.535
C1 C2 H8 107.617 C2 C1 F4 108.792
C2 C1 H5 112.820 C2 C1 H6 112.688
C2 C3 H9 110.502 C2 C3 H10 110.299
C2 C3 H11 110.866 C3 C2 H7 110.119
C3 C2 H8 110.052 F4 C1 H5 105.381
F4 C1 H6 105.571 H5 C1 H6 111.033
H7 C2 H8 107.556 H9 C3 H10 108.527
H9 C3 H11 108.172 H10 C3 H11 108.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability