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

using model chemistry: CCSD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

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

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-244.821972
Energy at 298.15K 
HF Energy-243.928102
Nuclear repulsion energy123.497522
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 CCSD(T)/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' 3804 3689        
2 A' 3779 3665        
3 A' 3639 3530        
4 A' 1827 1772        
5 A' 1623 1574        
6 A' 1437 1394        
7 A' 1239 1202        
8 A' 1080 1048        
9 A' 959 930        
10 A' 586 568        
11 A' 487 472        
12 A" 784 760        
13 A" 591 573        
14 A" 481 467        
15 A" 258i 251i        

Unscaled Zero Point Vibrational Energy (zpe) 11028.1 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 10696.1 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 CCSD(T)/aug-cc-pVTZ
ABC
0.38545 0.36268 0.18686

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
O2 -0.065 1.341 0.000
N3 1.140 -0.605 0.000
O4 -1.091 -0.683 0.000
H5 2.018 -0.122 0.000
H6 1.106 -1.607 0.000
H7 -1.851 -0.086 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.21281.35651.36102.03342.05951.8635
O21.21282.28912.26952.54523.17242.2861
N31.35652.28912.23261.00221.00263.0354
O41.36102.26952.23263.15942.38370.9660
H52.03342.54521.00223.15941.74303.8688
H62.05953.17241.00262.38371.74303.3251
H71.86352.28613.03540.96603.86883.3251

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 118.332 C1 N3 H6 120.886
C1 O4 H7 105.142 O2 C1 N3 125.902
O2 C1 O4 123.614 N3 C1 O4 110.484
H5 N3 H6 120.782
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-244.785205
Energy at 298.15K 
HF Energy-243.927685
Nuclear repulsion energy123.409588
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 CCSD(T)/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/aug-cc-pVTZ
ABC
0.38545 0.36268 0.18686

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

Point Group is C1

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability