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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (Cs)

Jump to S1C2
Vibrational Frequencies calculated at MP2/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP2/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-207.436943
Energy at 298.15K-207.440235
HF Energy-206.796178
Nuclear repulsion energy100.921333
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/aug-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 A 3813 3656 51.74 61.65 0.14 0.25
2 A 3169 3039 2.13 65.36 0.45 0.62
3 A 3083 2957 19.65 122.50 0.08 0.15
4 A 2159 2071 8.26 50.14 0.15 0.26
5 A 1482 1421 2.56 6.88 0.64 0.78
6 A 1406 1348 40.24 2.59 0.71 0.83
7 A 1357 1301 2.40 2.22 0.60 0.75
8 A 1218 1168 15.87 2.39 0.30 0.46
9 A 1075 1031 97.17 6.53 0.24 0.39
10 A 985 944 18.78 0.65 0.13 0.23
11 A 902 865 16.41 5.14 0.07 0.13
12 A 565 542 1.75 1.71 0.12 0.21
13 A 363 349 58.99 0.40 0.74 0.85
14 A 290 278 76.11 1.76 0.75 0.86
15 A 205 197 9.76 2.43 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 11035.4 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 10583.0 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 MP2/aug-cc-pVDZ
ABC
1.10113 0.15729 0.14270

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.580 0.597 0.038
C2 0.825 0.120 -0.006
O3 -1.522 -0.461 -0.111
H4 -0.727 1.158 0.977
H5 -0.749 1.282 -0.804
H6 -1.403 -1.080 0.623
N7 1.941 -0.282 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48471.42401.10331.09861.95722.6711
C21.48472.42042.11012.11312.60751.1866
O31.42402.42042.10572.02830.96813.4695
H41.10332.11012.10571.78522.36393.1907
H51.09862.11312.02831.78522.83603.2106
H61.95722.60750.96812.36392.83603.4966
N72.67111.18663.46953.19073.21063.4966

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.352 C1 O3 H6 108.297
C2 C1 O3 112.616 C2 C1 H4 108.339
C2 C1 H5 108.849 O3 C1 H4 112.236
O3 C1 H5 106.322 H4 C1 H5 108.343
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability