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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at MP2/Def2TZVPP
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-207.601507
Energy at 298.15K-207.604833
HF Energy-206.853401
Nuclear repulsion energy101.999449
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/Def2TZVPP
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 3854 3667 56.96 55.49 0.19 0.32
2 A 3173 3019 1.80 66.65 0.44 0.61
3 A 3092 2942 18.19 116.24 0.09 0.17
4 A 2202 2095 6.63 41.86 0.19 0.32
5 A 1509 1436 3.00 7.80 0.65 0.79
6 A 1426 1357 38.04 3.31 0.75 0.86
7 A 1384 1317 2.23 3.14 0.74 0.85
8 A 1240 1180 16.16 2.50 0.44 0.61
9 A 1095 1041 97.67 5.46 0.28 0.44
10 A 1000 951 21.84 0.45 0.25 0.40
11 A 910 866 16.29 3.32 0.09 0.16
12 A 579 551 1.87 1.66 0.17 0.30
13 A 371 353 49.81 0.71 0.71 0.83
14 A 295 281 89.05 2.49 0.75 0.85
15 A 211 200 11.11 3.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11169.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 10628.1 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 MP2/Def2TZVPP
ABC
1.11920 0.16089 0.14582

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.574 0.593 0.038
C2 0.819 0.119 -0.006
O3 -1.507 -0.456 -0.109
H4 -0.717 1.149 0.966
H5 -0.738 1.273 -0.793
H6 -1.375 -1.079 0.612
N7 1.917 -0.280 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47161.41151.09121.08641.94002.6407
C21.47162.39812.08912.09152.57441.1694
O31.41152.39812.08722.01230.96143.4305
H41.09122.08912.08721.76272.35003.1542
H51.08642.09152.01231.76272.81223.1735
H61.94002.57440.96142.35002.81223.4453
N72.64071.16943.43053.15423.17353.4453

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.256 C1 O3 H6 108.186
C2 C1 O3 112.547 C2 C1 H4 108.290
C2 C1 H5 108.763 O3 C1 H4 112.391
O3 C1 H5 106.610 H4 C1 H5 108.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability