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All results from a given calculation for CH2F2 (Methane, difluoro-)

using model chemistry: B2PLYP=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-238.803197
Energy at 298.15K-238.806036
HF Energy-238.636371
Nuclear repulsion energy76.936530
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3079 2951 49.99 115.91 0.10 0.19
2 A1 1530 1467 3.42 7.77 0.73 0.84
3 A1 1127 1080 105.99 3.91 0.28 0.44
4 A1 530 508 4.82 1.87 0.72 0.84
5 A2 1274 1221 0.00 10.99 0.75 0.86
6 B1 3155 3024 61.47 53.31 0.75 0.86
7 B1 1183 1134 23.12 2.00 0.75 0.86
8 B2 1476 1415 36.15 3.77 0.75 0.86
9 B2 1127 1080 226.70 3.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7240.2 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 6939.7 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/cc-pVDZ
ABC
1.64354 0.34989 0.30618

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.501
H2 -0.916 0.000 1.112
H3 0.916 0.000 1.112
F4 0.000 1.106 -0.291
F5 0.000 -1.106 -0.291

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.10061.10061.36031.3603
H21.10061.83112.00732.0073
H31.10061.83112.00732.0073
F41.36032.00732.00732.2123
F51.36032.00732.00732.2123

picture of Methane, difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 H3 112.576 H2 C1 F4 108.849
H2 C1 F5 108.849 H3 C1 F4 108.849
H3 C1 F5 108.849 F4 C1 F5 108.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability