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All results from a given calculation for NH2COOH (Carbamic acid)

using model chemistry: TPSSh/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-245.244140
Energy at 298.15K 
HF Energy-245.244140
Nuclear repulsion energy123.390684
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 TPSSh/aug-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' 3758 3627 79.18      
2 A' 3746 3615 61.32      
3 A' 3609 3484 49.79      
4 A' 1806 1743 545.97      
5 A' 1617 1561 98.95      
6 A' 1413 1364 142.72      
7 A' 1218 1175 184.49      
8 A' 1067 1030 50.47      
9 A' 943 910 51.27      
10 A' 572 552 31.63      
11 A' 475 458 7.17      
12 A" 771 744 17.21      
13 A" 587 567 47.77      
14 A" 474 457 72.12      
15 A" 154i 149i 200.25      

Unscaled Zero Point Vibrational Energy (zpe) 10950.4 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 10569.3 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 TPSSh/aug-cc-pVTZ
ABC
0.38468 0.36220 0.18655

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
O2 -0.076 1.341 0.000
N3 1.145 -0.594 0.000
O4 -1.088 -0.694 0.000
H5 2.021 -0.103 0.000
H6 1.129 -1.597 0.000
H7 -1.857 -0.106 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.21291.35491.36462.03402.06391.8721
O21.21292.28782.27222.54593.17592.2951
N31.35492.28782.23501.00331.00413.0416
O41.36462.27222.23503.16372.39340.9680
H52.03402.54591.00333.16371.74023.8776
H62.06393.17591.00412.39341.74023.3373
H71.87212.29513.04160.96803.87763.3373

picture of Carbamic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 118.439 C1 N3 H6 121.356
C1 O4 H7 105.499 O2 C1 N3 125.898
O2 C1 O4 123.561 N3 C1 O4 110.541
H5 N3 H6 120.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.524      
2 O -0.545      
3 N -0.035      
4 O -0.267      
5 H 0.070      
6 H 0.057      
7 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.819 -2.597 0.000 2.723
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.448 -0.326 -0.000
y -0.326 5.325 -0.000
z -0.000 -0.000 3.394


<r2> (average value of r2) Å2
<r2> 64.693
(<r2>)1/2 8.043

Conformer 2 (C1)

Jump to S1C1
Energy calculated at TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-245.244167
Energy at 298.15K-245.248759
HF Energy-245.244167
Nuclear repulsion energy123.366527
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 TPSSh/aug-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 3759 3628 78.32      
2 A 3733 3603 58.41      
3 A 3600 3475 45.70      
4 A 1806 1743 536.46      
5 A 1619 1563 94.76      
6 A 1413 1364 140.94      
7 A 1222 1179 176.33      
8 A 1072 1034 61.34      
9 A 944 911 50.17      
10 A 770 743 20.98      
11 A 589 568 66.51      
12 A 572 552 32.62      
13 A 488 471 37.41      
14 A 467 451 20.92      
15 A 190 183 209.86      

Unscaled Zero Point Vibrational Energy (zpe) 11121.2 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 10734.2 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 TPSSh/aug-cc-pVTZ
ABC
0.38479 0.36168 0.18656

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.037 0.125 -0.000
O2 -0.456 1.263 0.004
N3 1.269 -0.242 -0.033
O4 -0.844 -0.975 0.002
H5 1.958 0.478 0.088
H6 1.532 -1.203 0.099
H7 -1.750 -0.632 0.002

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.21271.35741.36422.02862.05821.8719
O21.21272.28962.27152.54003.16892.2942
N31.35742.28962.23731.00411.00483.0439
O41.36422.27152.23733.15812.38960.9681
H52.02862.54001.00413.15811.73403.8713
H62.05823.16891.00482.38961.73403.3326
H71.87192.29423.04390.96813.87133.3326

picture of Carbamic acid state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 117.635 C1 N3 H6 120.491
C1 O4 H7 105.497 O2 C1 N3 125.871
O2 C1 O4 123.538 N3 C1 O4 110.580
H5 N3 H6 119.343
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.522      
2 O -0.547      
3 N -0.048      
4 O -0.269      
5 H 0.081      
6 H 0.063      
7 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.385 -2.158 0.674 2.651
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.614 -0.235 -0.015
y -0.235 5.157 0.007
z -0.015 0.007 3.396


<r2> (average value of r2) Å2
<r2> 64.707
(<r2>)1/2 8.044