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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A'
1 2 no CS cis 1A'

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-114.403378
Energy at 298.15K-114.404794
HF Energy-114.403378
Nuclear repulsion energy30.732421
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 mPW1PW91/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' 3754 3597 76.27      
2 A' 2877 2757 134.87      
3 A' 1504 1441 24.09      
4 A' 1349 1293 90.76      
5 A' 1219 1169 127.16      
6 A" 1095 1050 116.02      

Unscaled Zero Point Vibrational Energy (zpe) 5899.3 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 5653.3 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 mPW1PW91/aug-cc-pVDZ
ABC
9.58773 1.22179 1.08369

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.741 0.000
O2 0.011 -0.569 0.000
H3 -1.086 0.977 0.000
H4 0.930 -0.874 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30961.12281.8582
O21.30961.89610.9679
H31.12281.89612.7374
H41.85820.96792.7374

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.418 O2 C1 H3 102.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.095      
2 O -0.254      
3 H -0.071      
4 H 0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.138 -1.648 0.000 1.654
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.378 -3.829 0.000
y -3.829 -13.997 0.000
z 0.000 0.000 -12.269
Traceless
 xyz
x 1.755 -3.829 0.000
y -3.829 -2.173 0.000
z 0.000 0.000 0.418
Polar
3z2-r20.837
x2-y22.618
xy-3.829
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.216 -0.264 0.000
y -0.264 3.344 0.000
z 0.000 0.000 2.406


<r2> (average value of r2) Å2
<r2> 17.484
(<r2>)1/2 4.181

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-114.395595
Energy at 298.15K-114.396998
HF Energy-114.395595
Nuclear repulsion energy30.635389
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 mPW1PW91/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' 3608 3458 17.24      
2 A' 2790 2674 196.89      
3 A' 1462 1401 53.55      
4 A' 1348 1292 74.05      
5 A' 1221 1170 28.12      
6 A" 1015 973 27.15      

Unscaled Zero Point Vibrational Energy (zpe) 5722.4 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 5483.8 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 mPW1PW91/aug-cc-pVDZ
ABC
9.27668 1.21566 1.07481

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.741 0.000
O2 0.122 -0.567 0.000
H3 -0.957 1.072 0.000
H4 -0.758 -0.984 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30761.12891.9367
O21.30761.96240.9742
H31.12891.96242.0661
H41.93670.97422.0661

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.374 O2 C1 H3 107.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.124      
2 O -0.189      
3 H -0.059      
4 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.949 -1.651 0.000 3.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.606 -0.248 0.000
y -0.248 -13.365 0.000
z 0.000 0.000 -12.222
Traceless
 xyz
x 0.187 -0.248 0.000
y -0.248 -0.951 0.000
z 0.000 0.000 0.763
Polar
3z2-r21.527
x2-y20.759
xy-0.248
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.220 0.147 0.000
y 0.147 3.694 0.000
z 0.000 0.000 2.401


<r2> (average value of r2) Å2
<r2> 17.633
(<r2>)1/2 4.199