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

using model chemistry: TPSSh/aug-cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-245.185986
Energy at 298.15K 
HF Energy-245.185986
Nuclear repulsion energy122.892804
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-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' 3748 3625 77.45      
2 A' 3740 3618 55.52      
3 A' 3597 3479 46.72      
4 A' 1804 1745 539.67      
5 A' 1610 1557 104.01      
6 A' 1411 1365 133.89      
7 A' 1222 1182 189.87      
8 A' 1064 1029 37.96      
9 A' 940 909 51.22      
10 A' 564 546 32.10      
11 A' 470 455 6.95      
12 A" 762 737 16.10      
13 A" 591 572 54.79      
14 A" 484 468 64.63      
15 A" 106i 103i 201.73      

Unscaled Zero Point Vibrational Energy (zpe) 10950.3 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 10592.2 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-pVDZ
ABC
0.38103 0.35989 0.18508

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
O2 -0.081 1.348 0.000
N3 1.151 -0.592 0.000
O4 -1.088 -0.701 0.000
H5 2.028 -0.098 0.000
H6 1.135 -1.601 0.000
H7 -1.859 -0.110 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.22021.35881.36972.04112.07011.8744
O21.22022.29832.28302.55743.18972.2987
N31.35882.29832.24171.00761.00853.0481
O41.36972.28302.24173.17472.39870.9713
H52.04112.55741.00763.17471.74853.8874
H62.07013.18971.00852.39871.74853.3449
H71.87442.29873.04810.97133.88743.3449

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 118.458 C1 N3 H6 121.253
C1 O4 H7 105.120 O2 C1 N3 125.959
O2 C1 O4 123.550 N3 C1 O4 110.491
H5 N3 H6 120.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.917      
2 O -0.504      
3 N -0.025      
4 O -0.448      
5 H -0.050      
6 H -0.046      
7 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.853 -2.614 0.000 2.749
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 5.439 -0.332 0.000
y -0.332 5.347 0.000
z 0.000 0.000 3.386


<r2> (average value of r2) Å2
<r2> 65.147
(<r2>)1/2 8.071

Conformer 2 (C1)

Jump to S1C1
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-245.185993
Energy at 298.15K-245.190562
HF Energy-245.185993
Nuclear repulsion energy122.875215
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-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 3751 3628 75.42      
2 A 3728 3606 54.09      
3 A 3587 3470 42.89      
4 A 1804 1745 530.65      
5 A 1610 1557 100.72      
6 A 1410 1364 132.42      
7 A 1224 1184 182.41      
8 A 1068 1033 47.19      
9 A 941 910 50.37      
10 A 761 736 18.83      
11 A 586 567 66.52      
12 A 565 546 32.67      
13 A 487 471 44.09      
14 A 465 450 15.91      
15 A 183 177 210.18      

Unscaled Zero Point Vibrational Energy (zpe) 11084.8 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 10722.3 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-pVDZ
ABC
0.38106 0.35954 0.18511

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.038 0.125 -0.000
O2 -0.468 1.266 0.004
N3 1.275 -0.234 -0.032
O4 -0.839 -0.986 0.002
H5 1.962 0.494 0.085
H6 1.544 -1.198 0.098
H7 -1.748 -0.643 0.002

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.21991.36111.36932.03562.06471.8746
O21.21992.29992.28242.55123.18302.2988
N31.36112.29992.24341.00841.00933.0502
O41.36932.28242.24343.16902.39460.9714
H52.03562.55121.00843.16901.74293.8813
H62.06473.18301.00932.39461.74293.3400
H71.87462.29883.05020.97143.88133.3400

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 117.663 C1 N3 H6 120.436
C1 O4 H7 105.156 O2 C1 N3 125.935
O2 C1 O4 123.551 N3 C1 O4 110.503
H5 N3 H6 119.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.917      
2 O -0.502      
3 N -0.044      
4 O -0.447      
5 H -0.043      
6 H -0.040      
7 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.386 -2.157 0.732 2.666
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 5.613 -0.248 -0.016
y -0.248 5.173 0.006
z -0.016 0.006 3.387


<r2> (average value of r2) Å2
<r2> 65.155
(<r2>)1/2 8.072