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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-244.985417
Energy at 298.15K 
HF Energy-244.985417
Nuclear repulsion energy122.703025
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 PBEPBEultrafine/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' 3676 3635 71.79      
2 A' 3674 3633 61.23      
3 A' 3542 3502 45.39      
4 A' 1767 1747 504.31      
5 A' 1559 1542 102.20      
6 A' 1375 1360 122.53      
7 A' 1186 1172 184.17      
8 A' 1038 1026 38.68      
9 A' 914 904 57.44      
10 A' 561 555 28.05      
11 A' 470 465 7.18      
12 A" 749 741 14.27      
13 A" 578 571 54.10      
14 A" 466 460 58.57      
15 A" 136i 135i 191.04      

Unscaled Zero Point Vibrational Energy (zpe) 10708.3 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 10588.4 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.37960 0.35904 0.18452

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
O2 -0.080 1.349 0.000
N3 1.152 -0.592 0.000
O4 -1.092 -0.703 0.000
H5 2.030 -0.094 0.000
H6 1.140 -1.603 0.000
H7 -1.861 -0.105 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.22001.36041.37432.04212.07511.8760
O21.22002.29892.28812.55563.19352.2990
N31.36042.29892.24651.00931.01033.0523
O41.37432.28812.24653.18032.40610.9749
H52.04212.55561.00933.18031.75133.8908
H62.07513.19351.01032.40611.75133.3542
H71.87602.29903.05230.97493.89083.3542

picture of Carbamic acid state 1 conformation 1
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