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=FULL/6-31G**

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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-217.748580
Energy at 298.15K-217.756506
HF Energy-217.122840
Nuclear repulsion energy128.292293
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=FULL/6-31G**
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' 3236 3024 22.25      
2 A' 3149 2943 27.64      
3 A' 3133 2927 22.62      
4 A' 3125 2920 27.13      
5 A' 1589 1485 1.08      
6 A' 1571 1468 5.06      
7 A' 1556 1454 0.27      
8 A' 1490 1392 19.83      
9 A' 1471 1375 2.10      
10 A' 1375 1285 2.20      
11 A' 1178 1101 1.75      
12 A' 1117 1044 71.73      
13 A' 1084 1013 18.31      
14 A' 933 872 7.99      
15 A' 460 430 5.86      
16 A' 273 255 3.47      
17 A" 3228 3016 57.43      
18 A" 3207 2997 10.73      
19 A" 3184 2975 18.98      
20 A" 1565 1462 6.44      
21 A" 1360 1271 0.21      
22 A" 1312 1226 0.14      
23 A" 1237 1155 1.76      
24 A" 924 863 1.84      
25 A" 788 736 1.13      
26 A" 245 229 0.01      
27 A" 140 131 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 21964.3 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 20523.5 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=FULL/6-31G**
ABC
0.91442 0.12539 0.11747

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.117 -0.782 0.000
C2 0.000 0.723 0.000
C3 -1.454 1.176 0.000
F4 1.463 -1.152 0.000
H5 -0.352 -1.213 0.886
H6 -0.352 -1.213 -0.886
H7 0.520 1.109 -0.876
H8 0.520 1.109 0.876
H9 -1.524 2.260 0.000
H10 -1.980 0.808 -0.880
H11 -1.980 0.808 0.880

Atom - Atom Distances (Å)
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C11.50982.51051.39561.09101.09102.12272.12273.45712.77512.7751
C21.50981.52292.37852.15762.15761.08941.08942.16482.16802.1680
C32.51051.52293.73202.77522.77522.16072.16071.08701.08891.0889
F41.39562.37853.73202.02082.02082.60192.60194.53534.05824.0582
H51.09102.15762.77522.02081.77143.04202.47983.77083.13842.5945
H61.09102.15762.77522.02081.77142.47983.04203.77082.59453.1384
H72.12271.08942.16072.60193.04202.47981.75272.50442.51733.0695
H82.12271.08942.16072.60192.47983.04201.75272.50443.06952.5173
H93.45712.16481.08704.53533.77083.77082.50442.50441.75791.7579
H102.77512.16801.08894.05823.13842.59452.51733.06951.75791.7602
H112.77512.16801.08894.05822.59453.13843.06952.51731.75791.7602

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 111.745 C1 C2 H7 108.415
C1 C2 H8 108.415 C2 C1 F4 109.834
C2 C1 H5 111.088 C2 C1 H6 111.088
C2 C3 H9 110.987 C2 C3 H10 111.130
C2 C3 H11 111.130 C3 C2 H7 110.507
C3 C2 H8 110.507 F4 C1 H5 108.091
F4 C1 H6 108.091 H5 C1 H6 108.547
H7 C2 H8 107.100 H9 C3 H10 107.790
H9 C3 H11 107.790 H10 C3 H11 107.861
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-217.749454
Energy at 298.15K 
HF Energy-217.123205
Nuclear repulsion energy130.963505
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=FULL/6-31G**
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 3250 3037 17.84      
2 A 3230 3018 34.89      
3 A 3201 2991 44.57      
4 A 3189 2980 17.97      
5 A 3138 2932 14.40      
6 A 3136 2930 27.78      
7 A 3128 2923 33.74      
8 A 1583 1479 0.34      
9 A 1573 1470 6.46      
10 A 1559 1457 5.82      
11 A 1538 1438 1.85      
12 A 1482 1385 14.94      
13 A 1467 1371 6.54      
14 A 1427 1333 1.01      
15 A 1346 1257 0.78      
16 A 1311 1225 0.72      
17 A 1221 1141 2.05      
18 A 1163 1087 11.06      
19 A 1135 1060 39.29      
20 A 1018 951 36.13      
21 A 952 890 2.91      
22 A 914 854 3.94      
23 A 795 743 0.40      
24 A 493 461 3.55      
25 A 327 306 1.14      
26 A 239 223 2.25      
27 A 152 142 2.37      

Unscaled Zero Point Vibrational Energy (zpe) 21983.7 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 20541.6 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=FULL/6-31G**
ABC
0.47732 0.17524 0.14603

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.795 0.524 0.291
C2 -0.595 0.665 -0.279
C3 -1.501 -0.490 0.120
F4 1.366 -0.667 -0.169
H5 1.443 1.345 -0.016
H6 0.771 0.481 1.381
H7 -0.519 0.726 -1.365
H8 -1.008 1.615 0.065
H9 -2.491 -0.385 -0.318
H10 -1.075 -1.432 -0.215
H11 -1.614 -0.537 1.202

Atom - Atom Distances (Å)
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C11.50992.51601.39851.08991.09112.12362.12053.46342.75262.7861
C21.50991.52152.37442.16472.15821.09001.09152.16732.15212.1631
C32.51601.52152.88723.47172.77412.15602.16301.08741.08631.0891
F41.39852.37442.88722.01962.01832.63213.30233.87032.55843.2832
H51.08992.16473.47172.01961.77452.45992.46774.30793.75333.7912
H61.09112.15822.77412.01831.77453.04352.48693.77833.10052.5999
H72.12361.09002.15602.63212.45993.04351.75362.49382.50733.0635
H82.12051.09152.16303.30232.46772.48691.75362.51903.06042.5085
H93.46342.16731.08743.87034.30793.77832.49382.51901.76361.7611
H102.75262.15211.08632.55843.75333.10052.50733.06041.76361.7605
H112.78612.16311.08913.28323.79122.59993.06352.50851.76111.7605

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 112.199 C1 C2 H7 108.460
C1 C2 H8 108.131 C2 C1 F4 109.393
C2 C1 H5 111.730 C2 C1 H6 111.127
C2 C3 H9 111.265 C2 C3 H10 110.111
C2 C3 H11 110.819 C3 C2 H7 110.206
C3 C2 H8 110.670 F4 C1 H5 107.862
F4 C1 H6 107.690 H5 C1 H6 108.902
H7 C2 H8 106.999 H9 C3 H10 108.459
H9 C3 H11 108.027 H10 C3 H11 108.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability