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All results from a given calculation for CH2FCH2CH2F (1,3-difluoropropane)

using model chemistry: B2PLYP=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-315.502638
Energy at 298.15K 
HF Energy-315.332899
Nuclear repulsion energy188.574525
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 B2PLYP=FULL/3-21G
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 3169 3017 26.51 43.23 0.75 0.86
2 A 3117 2967 5.96 176.76 0.01 0.02
3 A 3106 2957 0.71 52.30 0.49 0.66
4 A 1591 1515 1.76 21.71 0.74 0.85
5 A 1548 1474 6.86 11.82 0.75 0.86
6 A 1486 1414 6.90 4.51 0.75 0.86
7 A 1360 1294 0.74 27.64 0.71 0.83
8 A 1280 1219 0.25 15.13 0.74 0.85
9 A 1140 1085 6.21 3.11 0.75 0.86
10 A 1016 967 31.53 5.45 0.63 0.77
11 A 887 844 0.69 11.73 0.14 0.24
12 A 557 530 3.01 1.00 0.69 0.82
13 A 266 253 4.80 0.32 0.48 0.65
14 A 92 87 3.22 0.04 0.62 0.76
15 B 3175 3023 31.20 8.85 0.75 0.86
16 B 3154 3002 8.69 89.80 0.75 0.86
17 B 3108 2959 65.28 38.39 0.75 0.86
18 B 1604 1527 5.25 0.09 0.75 0.86
19 B 1461 1390 8.32 1.49 0.75 0.86
20 B 1436 1367 3.94 2.85 0.75 0.86
21 B 1272 1210 7.64 2.85 0.75 0.86
22 B 1149 1094 16.35 0.08 0.75 0.86
23 B 1084 1032 32.25 5.19 0.75 0.86
24 B 993 945 21.24 4.89 0.75 0.86
25 B 803 764 2.88 0.90 0.75 0.86
26 B 391 372 8.01 0.37 0.75 0.86
27 B 216 205 16.17 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20228.0 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 19257.1 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 B2PLYP=FULL/3-21G
ABC
0.27691 0.10791 0.09873

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.049
C2 0.000 1.237 0.156
C3 0.000 -1.237 0.156
F4 1.170 1.169 -0.669
F5 -1.170 -1.169 -0.669
H6 0.890 -0.006 1.682
H7 -0.890 0.006 1.682
H8 -0.882 1.205 -0.483
H9 0.019 2.162 0.735
H10 0.882 -1.205 -0.483
H11 -0.019 -2.162 0.735

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.52571.52572.38462.38461.09221.09222.13962.18452.13962.1845
C21.52572.47421.43302.80002.15992.15351.08981.09142.67403.4480
C31.52572.47422.80001.43302.15352.15992.67403.44801.08981.0914
F42.38461.43302.80003.30852.64283.33522.06072.06882.39893.8056
F52.38462.80001.43303.30853.33522.64282.39893.80562.06072.0688
H61.09222.15992.15352.64283.33521.78013.04872.52022.47542.5244
H71.09222.15352.15993.33522.64281.78012.47542.52443.04872.5202
H82.13961.08982.67402.06072.39893.04872.47541.79262.98653.6830
H92.18451.09143.44802.06883.80562.52022.52441.79263.68304.3238
H102.13962.67401.08982.39892.06072.47543.04872.98653.68301.7926
H112.18453.44801.09143.80562.06882.52442.52023.68304.32381.7926

picture of 1,3-difluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 107.365 C1 C2 H8 108.629
C1 C2 H9 112.107 C1 C3 F5 107.365
C1 C3 H10 108.629 C1 C3 H11 112.107
C2 C1 C3 108.358 C2 C1 H6 110.080
C2 C1 H7 109.580 C3 C1 H6 109.580
C3 C1 H7 110.080 F4 C2 H8 108.769
F4 C2 H9 109.328 F5 C3 H10 108.769
F5 C3 H11 109.328 H6 C1 H7 109.153
H8 C2 H9 110.539 H10 C3 H11 110.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability