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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2=FULL/cc-pVTZ

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-207.652308
Energy at 298.15K-207.655664
HF Energy-206.845341
Nuclear repulsion energy102.322270
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/cc-pVTZ
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 3871 3675 56.77 53.16 0.22 0.36
2 A 3171 3010 2.12 69.98 0.38 0.55
3 A 3099 2942 18.66 108.56 0.11 0.20
4 A 2221 2109 5.80 39.75 0.20 0.33
5 A 1519 1443 3.20 8.13 0.63 0.77
6 A 1429 1356 36.87 3.31 0.75 0.86
7 A 1394 1323 2.64 3.26 0.75 0.85
8 A 1247 1183 16.49 2.27 0.45 0.62
9 A 1107 1051 96.10 5.02 0.29 0.45
10 A 1000 949 21.27 0.55 0.25 0.40
11 A 918 871 16.03 2.76 0.09 0.16
12 A 583 554 1.80 1.59 0.18 0.31
13 A 376 357 40.46 0.72 0.73 0.84
14 A 297 282 96.20 2.67 0.75 0.86
15 A 215 204 10.61 2.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11222.3 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 10654.5 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/cc-pVTZ
ABC
1.12991 0.16178 0.14673

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.571 0.589 0.038
C2 0.815 0.117 -0.005
O3 -1.503 -0.454 -0.110
H4 -0.712 1.148 0.961
H5 -0.730 1.268 -0.790
H6 -1.386 -1.066 0.620
N7 1.912 -0.280 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.46511.40661.08781.08311.93472.6310
C21.46512.39012.08042.08082.57601.1662
O31.40662.39012.08302.00660.96053.4211
H41.08782.08042.08301.75522.33963.1425
H51.08312.08082.00661.75522.80553.1585
H61.93472.57600.96052.33962.80553.4494
N72.63101.16623.42113.14253.15853.4494

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.409 C1 O3 H6 108.151
C2 C1 O3 112.654 C2 C1 H4 108.247
C2 C1 H5 108.564 O3 C1 H4 112.617
O3 C1 H5 106.682 H4 C1 H5 107.901
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability