return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: B97D3/6-311G*

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 B97D3/6-311G*
Rotational Constants (cm-1) from geometry optimized at B97D3/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-207.877731
Energy at 298.15K-207.881048
HF Energy-207.877731
Nuclear repulsion energy101.747184
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 B97D3/6-311G*
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 3688 3688 15.99 68.11 0.30 0.46
2 A 3053 3053 9.14 90.51 0.36 0.53
3 A 2946 2946 40.04 122.63 0.18 0.31
4 A 2274 2274 0.09 67.59 0.24 0.38
5 A 1466 1466 3.88 13.29 0.65 0.79
6 A 1405 1405 45.58 8.20 0.73 0.84
7 A 1354 1354 0.95 6.92 0.74 0.85
8 A 1213 1213 22.39 3.98 0.62 0.77
9 A 1029 1029 91.42 6.41 0.32 0.48
10 A 973 973 30.34 0.50 0.63 0.77
11 A 876 876 14.51 1.87 0.13 0.23
12 A 571 571 2.82 2.18 0.25 0.40
13 A 395 395 87.49 1.22 0.73 0.84
14 A 306 306 76.62 4.64 0.75 0.86
15 A 207 207 7.78 4.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10877.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10877.5 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 B97D3/6-311G*
ABC
1.10218 0.16056 0.14535

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.571 0.594 0.038
C2 0.827 0.126 -0.008
O3 -1.511 -0.459 -0.110
H4 -0.714 1.161 0.974
H5 -0.747 1.283 -0.796
H6 -1.386 -1.080 0.623
N7 1.914 -0.287 -0.014

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47591.41951.10321.09561.95182.6376
C21.47592.41282.10072.10632.59831.1624
O31.41952.41282.10602.02230.96863.4308
H41.10322.10072.10601.77412.36623.1593
H51.09562.10632.02231.77412.82943.1866
H61.95182.59830.96862.36622.82943.4529
N72.63761.16243.43083.15933.18663.4529

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 177.254 C1 O3 H6 108.141
C2 C1 O3 112.866 C2 C1 H4 108.207
C2 C1 H5 109.093 O3 C1 H4 112.591
O3 C1 H5 106.329 H4 C1 H5 107.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.204      
2 C 0.090      
3 O -0.511      
4 H 0.229      
5 H 0.250      
6 H 0.388      
7 N -0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.311 1.086 1.384 2.905
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.744 1.231 -1.995
y 1.231 -20.497 -1.834
z -1.995 -1.834 -21.715
Traceless
 xyz
x -10.639 1.231 -1.995
y 1.231 6.233 -1.834
z -1.995 -1.834 4.406
Polar
3z2-r28.812
x2-y2-11.247
xy1.231
xz-1.995
yz-1.834


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.724 -0.474 -0.035
y -0.474 3.806 -0.129
z -0.035 -0.129 3.203


<r2> (average value of r2) Å2
<r2> 79.080
(<r2>)1/2 8.893